WO2023136031A1 - 情報処理装置、情報処理方法、及びプログラム - Google Patents
情報処理装置、情報処理方法、及びプログラム Download PDFInfo
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- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
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- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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Definitions
- the present invention relates to an information processing device, an information processing method, and a program.
- defect inspections of completed parts, etc. have been performed using radiation images.
- defect inspection flaws that are defect candidates are detected from the radiographic image, and the detection results are displayed on a display unit such as a monitor.
- Patent Document 1 describes a technique for selecting a thickness and size and displaying flaws (defect candidates) according to the selected thickness and size.
- the present invention has been made in view of such circumstances, and an object thereof is to provide an information processing apparatus, an information processing method, and a program capable of efficiently and accurately confirming the occurrence distribution of flaws. .
- An information processing apparatus for achieving the above object is an information processing apparatus including a processor, the processor receives a display selection instruction from an operation unit operated by a user, and corrects defects in parts.
- Acquire flaw information including information on the position of flaws in the part, acquire the distribution of flaw occurrence positions based on the flaw information, and display the occurrence positions on the image of the part in response to the display selection instruction Show distribution.
- a display selection instruction for selecting a part to be displayed is accepted, and the occurrence position distribution corresponding to the display selection instruction is displayed on the image of the part. This makes it possible to efficiently and accurately grasp the distribution of flaws.
- the display selection instruction indicates the position of the arrangement of the plurality of parts, and the occurrence position distribution corresponding to the position of the arrangement is displayed.
- the array has a time component.
- the time relates to manufacturing or inspection of parts.
- the flaw is one that is detected by radiography.
- the processor displays the flaw information in relation to the location distribution of occurrence.
- the processor displays a user interface display indicating the time of manufacturing the component or inspecting the component on the display unit, and the display selection instruction is received by the user interface display and is displayed at the time of manufacturing the component or inspecting the component. It is configured.
- the processor displays a user interface display indicating the manufacturing number of the part on the display unit, and the display selection instruction is received by the user interface display and is composed of the manufacturing number.
- the processor displays the flaw information together with the user interface display.
- the flaw information displayed on the user interface display is the number of flaws or the total area of flaws.
- the user interface display displays flaw information according to the set reference value.
- the flaw information includes information about flaw types
- the user interface display displays flaw information for each flaw type.
- a period is selected in the user interface display, and the occurrence position distribution corresponding to the period is displayed on the image.
- the display of the occurrence position distribution can be moved.
- the display of the occurrence position distribution can be enlarged or reduced.
- the image is a radiographic image of the part, a plurality of registered radiographic images, or a design drawing of the part.
- the display selection instruction is selection of a part to be displayed.
- An information processing method is an information processing method for an information processing apparatus including a processor, the processor receiving a display selection instruction from an operation unit operated by a user; Acquisition of flaw information including position information of flaws in the component; Acquisition of flaw occurrence position distribution based on the flaw information; and displaying the occurrence position distribution.
- a program that is another aspect of the present invention is a program that causes an information processing apparatus having a processor to execute an information processing method, the processor receiving a display selection instruction from an operation unit operated by a user; Acquiring information about flaws, including position information of flaws in the component; obtaining a distribution of locations where flaws occur based on the flaw information; and a step of displaying the occurrence position distribution on the image.
- a display selection instruction for selecting a part to be displayed is accepted, and the occurrence position distribution corresponding to the display selection instruction is displayed on the image of the part. can be grasped.
- FIG. 1 is a block diagram showing a hardware configuration example of an information processing apparatus.
- FIG. 2 is a diagram showing an example of flaw information stored in a flaw information DB.
- FIG. 3 is a diagram for explaining a radiographic image of the component for which the flaw information shown in FIG. 2 is acquired.
- FIG. 4 is a diagram showing functional blocks.
- FIG. 5 is a flow diagram illustrating the information processing method.
- FIG. 6 is a diagram showing the first display mode.
- FIG. 7 is a diagram showing the first display mode.
- FIG. 8 is a diagram showing a second display form.
- FIG. 9 is a diagram showing a second display form.
- FIG. 10 is a diagram showing a third display form.
- FIG. 11 is a diagram showing a fourth display form.
- FIG. 1 is a block diagram showing a hardware configuration example of an information processing apparatus.
- FIG. 2 is a diagram showing an example of flaw information stored in a flaw information DB.
- FIG. 12 is a diagram showing a fifth display mode.
- FIG. 13 is a diagram for explaining the display form of the generation position distribution.
- FIG. 14 is a block diagram showing a defect inspection device that acquires flaw information.
- FIG. 15 is a block diagram illustrating an example of an image processing unit;
- FIG. 16 is a block diagram showing an example of subject imaging data.
- FIG. 17 is a block diagram showing an example of product data.
- FIG. 18 is a block diagram showing an example of inspection result data of an object to be inspected.
- FIG. 19 is a block diagram showing an example of an imaging system.
- FIG. 1 is a block diagram showing a hardware configuration example of an information processing apparatus according to the present invention.
- the information processing device 10 includes a processor 14 , a memory 16 made up of non-temporary tangible objects, and an input/output interface 12 .
- the processor 14 is composed of a CPU (Central Processing Unit). Alternatively, the processor 14 may be configured by a GPU (Graphics Processing Unit). Processor 14 is connected to memory 16 and input/output interface 12 via bus 8 .
- CPU Central Processing Unit
- GPU Graphics Processing Unit
- Information is input to the information processing device 10 via the input/output interface 12 .
- Information is also output via the input/output interface 12 .
- a flaw information DB (database) 22 is connected to the information processing apparatus 10 via the input/output interface 12 .
- the memory 16 includes a memory that is a main memory and a storage that is an auxiliary memory.
- Memory 16 may be, for example, a semiconductor memory, a hard disk drive (HDD) device, a solid state drive (SSD) device, or a combination of these.
- a program for controlling the information processing device 10 is stored in the memory 16 .
- an inspection result display program (18) for executing an inspection result display method, which will be described later, is stored. .
- the flaw information DB 22 stores flaw information acquired (or generated) by the defect inspection device 510 (see FIG. 14). Acquisition of flaw information by the defect inspection device 510 will be described later.
- FIG. 2 is a diagram showing an example of flaw information stored in the flaw information DB 22.
- FIG. FIG. 3 is a diagram for explaining a radiographic image (including a transmission image and an X-ray image) 100 of the component S for which the flaw information shown in FIG. 2 is acquired.
- a flaw is detected by radiographic transmission, and is detected by observing the displayed radiographic image by an image processing unit 522 (see FIG. 14), which will be described later, or by a radiogram interpreter (examiner).
- a defect is one of the detected flaws that is determined to be a defect by an image reader or automatically. For example, a flaw having a predetermined length is determined as a defect.
- the flaw information shown in FIG. 2 indicates flaw information regarding one part S.
- the flaw information consists of flaw ID, flaw type, length (mm), position x, position y, and defect or non-defect judgment result.
- a flaw ID is a number assigned to each flaw.
- the flaw type indicates the type of the detected flaw.
- As the type of flaw for example, Porosity, Gas Hole, FMMD (Foreign Material More Density), etc. are attached.
- prosity is a general term for blowholes and pits with caterpillar-like holes formed in the solidified weld metal part due to the gas generated in the molten metal.
- Gas hole is a general term for casting defects due to gas contained in the casting.
- FMMD stands for high density foreign matter contamination.
- the major diameter (mm) indicates the longest diameter of the flaw.
- Position x and position y indicate the position of the flaw.
- Defective/non-defective determination indicates, for example, a user's determination result. Note that the user here means, for example, an interpreter or an examiner.
- the flaw information DB 22 stores the flaw information described above in association with individual parts.
- FIG. 3 shows an example of a radiation image obtained by acquiring the flaw information shown in FIG.
- FIG. 3 shows a radiographic image 100 obtained by acquiring flaw information shown in FIG. 2 and an enlarged view 100a of the radiographic image 100 .
- a radiation image 100 is captured by an imaging system 500 (FIG. 19), which will be described later.
- the flaw T is detected by the defect inspection device 510 .
- each of the detected flaws T is assigned a flaw ID, and the type, length, position, and determination result of defect or non-defect is obtained.
- FIG. 3 shows a specific example of flaw ID0001.
- the operation unit 24 is an input device that receives operation input from the user, and includes a keyboard for character input, a pointer displayed on the display unit 26, and a pointing device (mouse) for operating icons and the like. , trackballs, etc.).
- a touch panel may be provided on the surface of the display unit 26 instead of or in addition to the above-listed means.
- the display unit 26 is a device for displaying images.
- a liquid crystal monitor can be used as the display unit 26, for example.
- FIG. 4 is a diagram showing functional blocks of function F realized by the processor 14 executing the inspection result display program 18 stored in the memory 16. As shown in FIG.
- a function F realized by the processor 14 executing the inspection result display program 18 includes a display selection instruction reception unit 30, a flaw information acquisition unit 32, an occurrence position distribution acquisition unit 34, and a display control unit 36.
- the display selection instruction receiving unit 30 receives display selection instructions for selecting components to be displayed from the operation unit 24 operated by the user. For example, the user selects a component to be displayed on the user interface displayed on the display unit 26, and the display selection instruction receiving unit 30 receives the display selection instruction.
- the flaw information acquisition unit 32 acquires flaw information that is information about flaws on the part and includes information on the position of the flaw on the part. For example, the flaw information acquisition unit 32 acquires flaw information of the component selected by the display selection instruction from the flaw information DB 22 .
- the occurrence position distribution acquisition unit 34 acquires the flaw occurrence position distribution based on the flaw information. For example, the occurrence position distribution acquiring unit 34 acquires the occurrence position distribution of each flaw on the component based on the position x and the position y of the flaw information.
- the occurrence position distribution by displaying the occurrence position distribution on the image of the component, the user can efficiently and accurately ascertain where and to what extent the flaws have occurred in the component (occurrence distribution).
- flaw information related to the displayed occurrence position distribution may be displayed.
- the display control unit 36 displays the occurrence position distribution on the image of the component displayed on the display unit 26 in response to the display selection instruction.
- the display control unit 36 also displays a user interface (a timeline bar 104, a pointer 106), a detailed information display 102, a radiation image 100, etc., which will be described later, on the display unit 26 in addition to the display of the generation position distribution.
- FIG. 5 is a flow chart explaining an information processing method performed using the information processing apparatus 10.
- the information processing method is performed by the processor 14 executing the test result display program 18 stored in the memory 16 .
- the display selection instruction receiving unit 30 receives a display selection instruction for selecting a part to be displayed (step S10).
- the flaw information acquisition unit 32 acquires flaw information of the component corresponding to the display selection instruction (step S11).
- the occurrence position distribution acquisition unit 34 acquires the defect occurrence position distribution based on the defect information (step S12).
- the display control unit 36 displays the occurrence position distribution on the image of the component displayed on the display unit 26 (step S13).
- the display unit 26 displays a radiation image 100, a flaw occurrence position distribution 108 superimposed on the radiation image 100, a detailed information display 102, and a timeline bar 104 having a pointer 106. .
- the timeline bar 104 has an X-axis and a Y-axis, with the X-axis indicating time in chronological order and the Y-axis indicating the number of flaws TG.
- the number of flaws TG indicates the number of flaws in the part corresponding to the manufacturing date indicated on the X axis. Note that the number of flaws TG displayed is an example of flaw information displayed in relation to the timeline bar 104 .
- the flaw information displayed in association with the timeline bar 104 may be the total area of the flaw.
- the timeline bar 104 is an example of a user interface display, having time components in which the dates and times of component manufacture are arranged in chronological order on the display unit 26 .
- the pointer 106 By operating the pointer 106, the user can select parts with different manufacturing dates.
- the timeline bar 104 in which the date and time of manufacture of the parts are arranged in chronological order has been described, but the present invention is not limited to this.
- the X-axis of the timeline bar 104 may arrange the inspection times of the parts in chronological order.
- a serial number bar may be displayed in which serial numbers (manufacturing numbers) of parts are arranged in chronological order.
- the user can superimpose on the radiographic image 100 the defect occurrence position distribution 108 of the part having the manufacturing date and time at which the pointer 106 is positioned. That is, a display selection instruction for selecting a part to be displayed is input using the timeline bar 104, which is an example of a user interface display. In this way, the display selection instruction indicates the arrangement position of a plurality of components. Then, the occurrence position distribution corresponding to the position of the array designated by the display selection instruction is displayed.
- the detailed information display 102 shows the display target period of the distribution of the locations of flaws.
- the timeline bar 104 displays information about parts manufactured during the display target period (January 1, 2020 to January 1, 2021). Also, as inspection information, date of manufacture, date of inspection, part number, and serial number are shown. As for the inspection information, the inspection information of the component corresponding to the time indicated by the pointer 106 is displayed on the timeline bar 104 .
- FIG. 6 shows the occurrence position distribution in the part with the serial number 1244521.
- moving the pointer 106 shows the occurrence position distribution in the part with the serial number 1247673. .
- a predetermined period may be selected on the timeline bar 104 and the occurrence position distribution 108 of a plurality of parts corresponding to that period may be displayed on the radiographic image 100 .
- the user selects a part to be displayed using the timeline bar 104 displayed on the display unit 26, and the distribution of the locations of flaws in the selected part is displayed as a radiographic image. 100 can be superimposed and displayed. This allows the user to efficiently and accurately confirm the distribution of flaws.
- ⁇ Second Display Mode> 8 and 9 are diagrams showing the second display mode. 6 and 7 are given the same reference numerals, and description thereof will be omitted.
- the second display mode has a radiographic image 100, flaw occurrence position distributions 108(A), 108(B), and 108(C) superimposed on the radiographic image 100, a detailed information display 102, and a pointer 106.
- a timeline bar 104 and a flaw type display 110 to be displayed are displayed.
- a timeline bar 104 is displayed for each type of flaw. Specifically, a timeline bar 104 regarding Porosity, a timeline bar 104 regarding Gas Hole, and a timeline bar 104 regarding FMMD are displayed. In addition, the timeline bar 104 regarding Porosity, the timeline bar 104 regarding Gas Hole, and the timeline bar 104 regarding FMMD also display the number of each type of flaw as described in the first display mode.
- the radiation image 100 shows the flaw occurrence position distributions 108 (A), 108 (B), and 108 (C) for the part with the serial number 1247673.
- the generation position distribution 108 (A) shows the generation position distribution of Porosity
- the generation position distribution 108 (B) shows the generation position distribution of Gas Hole
- the generation position distribution 108 (C) shows the generation position distribution of FMMD. It is
- the flaw type display 110 to be displayed is composed of check boxes for Porosity, Gas Hole, and FMMD.
- the user can select the display of the occurrence position distributions 108(A), 108(B), and 108(C) regarding Porosity, Gas Hole, and FMMD by using this check box.
- the radiation image 100 displays the generation position distribution 108(A), the generation position distribution 108(B), and the generation position distribution 108(C).
- the Porosity check box is unchecked in the flaw type display 110 to be displayed.
- the generation position distribution 108 (A) corresponding to Porosity is not displayed, and the generation position distribution 108 (B) and generation position distribution 108 (C) corresponding to Gas Hole and FMMD are displayed. .
- the flaw type display 110 selectively displays the occurrence position distributions 108 (A), 108 (B), and 108 (C) for each flaw type. can do.
- a timeline bar 104 is displayed for each type of flaw.
- FIG. 10 is a diagram showing a third display form. 6 and 7 are given the same reference numerals, and description thereof will be omitted.
- a radiation image 100 a flaw occurrence position distribution 108 superimposed on the radiation image 100, a detailed information display 102, and a timeline bar 104 having a pointer 106 are displayed.
- the detailed information display 102 of this display form shows the reference value of the flaw information displayed in the flaw occurrence position distribution.
- the flaw size reference value is set to 3 mm or more. Therefore, the displayed generation position distribution 108 is displayed based on flaws of 3 mm or more. For example, when the radiologist wants to confirm the distribution of occurrence of flaws of 3 mm or more when making a defect/non-defect judgment, this display mode enables efficient and accurate confirmation.
- the number of flaws TG displayed along with the timeline bar 104 indicates the number of flaws of 3 mm or more. This allows the user to visually grasp the number of flaws of 3 mm or more.
- the occurrence position distribution is displayed according to the set reference value, so the user can efficiently and accurately confirm the occurrence distribution of flaws.
- FIG. 11 is a diagram showing a fourth display form. 6 and 7 are given the same reference numerals, and description thereof will be omitted.
- a radiographic image 100 In the fourth display form, a radiographic image 100, a flaw occurrence position distribution 108 superimposed on the radiographic image 100, a detailed information display 102, a timeline bar 104 having a pointer 106, a moving cursor 114, and an enlargement/reduction icon. 112 is displayed.
- the movement cursor 114 can move the generation position distribution 108 and the radiation image 100 by being selected by the user. By selecting the moving cursor 114, the user can move the occurrence position distribution 108 and the radiographic image 100 to arbitrary positions and display them.
- the enlargement/reduction icon 112 enlarges and reduces the occurrence position distribution 108 and the radiation image 100 .
- the occurrence position distribution 108 and the radiographic image 100 are enlarged by selecting the “plus (+)” display of the enlargement/reduction icon 112 .
- the "minus (-)" display of the scaling icon 112 the generation position distribution 108 and the radiographic image 100 are reduced.
- the user can change the radiographic image 100 and the generation position distribution 108 to arbitrary positions and sizes by using the moving cursor 114 and the scaling icon 112 . This allows the user to efficiently and accurately confirm the distribution of flaws.
- FIG. 12 is a diagram showing a fifth display mode. 6 and 7 are given the same reference numerals, and description thereof will be omitted.
- a radiation image 100, a flaw occurrence position distribution 108 superimposed on a design drawing 116, a detailed information display 102, and a timeline bar 104 having a pointer 106 are displayed.
- the occurrence position distribution 108 is displayed on the design drawing 116 of the part instead of the radiation image 100 .
- the radiographic image 100 may not be captured clearly depending on the part or site.
- the generation position distribution 108 on the design drawing 116 of the displayed part, the generation distribution of flaws can be confirmed efficiently and accurately.
- a specific example in which the design drawing 116 is used instead of the radiographic image 100 has been described.
- a superimposed image obtained by superimposing a plurality of aligned radiographic images may be used instead of the radiographic image 100 .
- FIG. 13 is a diagram explaining the display form of the occurrence position distribution.
- Reference numeral 120(A) in FIG. 13 shows a schematic diagram when the flaw detection result is displayed as it is. As described above, it may be difficult to accurately grasp the distribution of occurrence positions by simply displaying the detection results of the flaws. Therefore, individually detected flaws may be aggregated and displayed as an occurrence area.
- the first display method and the second display method described below can be adopted.
- the first display method displays the frequency in concentration (continuous display method).
- the first display method is, for example, a mode in which an image in which flaw detection has been performed is divided into sections, and the frequency of the sections is converted into density and displayed (see, for example, reference numeral 120 (B) ). Further, for example, there is a mode in which an image on which flaw detection has been performed is divided into pixel units, a convolution operation is performed with a filter such as a Gaussian filter, and the images are displayed (see reference numeral 120 (C)).
- a filter such as a Gaussian filter
- the second display method displays boundaries of regions (discrete display method).
- a second display method includes a display mode in which the flaw regions are grouped together by, for example, expansion processing of flaws on an image in which flaw detection has been performed (see reference numeral 120 (D)).
- a mode in which a group including flaws within a specified distance is surrounded by a polygon, and furthermore, for easy viewing, it is displayed by surrounding it with a convex hull using the QuickHull method or the like see symbol 120 (E) ).
- a boundary line is obtained and displayed using, for example, a level set method (see reference numeral 120 (F)).
- FIG. 14 is a block diagram showing a defect inspection device that acquires flaw information. Note that FIG. 14 shows the information processing device 10 externally connected to the flaw information DB 22 and the display unit 26 connected to the information processing device 10 .
- the defect inspection apparatus 510 is an apparatus for detecting and displaying flaws (defect candidates), which are defect candidates, from an image of an industrial product to be inspected (object to be inspected: corresponding to a part). It is a device for assisting diagnosis of defects in an object to be inspected.
- the defect inspection apparatus 510 includes a control unit 512, an operation unit 514, an input/output interface (hereinafter referred to as an I/F (interface)) 516, a display unit 526, a buffer memory 520, and , an image processing unit 522, and a flaw information DB 22.
- the control section 512 includes a CPU (Central Processing Unit) that controls the operation of each section of the defect inspection device 510 .
- the control unit 512 receives an operation input from the radiologist via the operation unit 514, transmits a control signal corresponding to this operation input to each unit of the defect inspection apparatus 510, and controls the operation of each unit.
- CPU Central Processing Unit
- the operation unit 514 is an input device that receives operation input from the radiologist, and includes a keyboard for character input, a pointer displayed on the display unit 526, and a pointing device (mouse, trackball, etc.) for operating icons and the like. contains.
- a touch panel can be provided on the surface of the display unit 526 instead of or in addition to the above-listed means.
- the I/F 516 is means for communicating with external devices via the network NW.
- wired communication for example, LAN (Local Area Network), WAN (Wide Area Network), Internet connection, etc.
- wireless communication for example, LAN, WAN, Internet connection, etc.
- the defect inspection apparatus 510 can receive input of object-to-be-inspected photographed data D100 including photographed image data (for example, radiation image 100) of the object to be inspected OBJ photographed by the photographing system 500 via the I/F 516. It's becoming It should be noted that the method of inputting the inspection object imaging data D100 from the imaging system 500 to the defect inspection apparatus 510 is not limited to communication via the network NW listed above.
- the defect inspection apparatus 510 and the imaging system 500 may be connected by a USB (Universal Serial Bus) cable, Bluetooth (registered trademark), infrared communication, etc., and the inspection object imaging data D100 is sent to the defect inspection apparatus 510.
- the image data may be stored in a detachable and readable memory card, and the image data may be input to the defect inspection apparatus 510 via this memory card.
- the defect inspection device 510 can communicate with the product database (product DB (database)) 200 via the network NW.
- the product DB 200 stores product data D200 for each part that can be inspected.
- the control unit 512 retrieves and reads object-to-be-inspected information for specifying the object from the imaging data of the object to be inspected OBJ acquired from the imaging system 500, and corresponds to the read-out object-to-be-examined object specification information. It is possible to acquire the product data D200 to be used from the product DB200. By using this product data D200, it becomes possible to detect flaws (defect candidates) according to the type or characteristics of the object to be inspected OBJ.
- the product DB 200 may be installed on the network NW as in this embodiment so that the product data D200 can be updated by the manufacturer or the like, or may be installed in the defect inspection device 510 .
- the display unit 526 is a device for displaying images.
- a liquid crystal monitor see FIG. 5 can be used.
- the buffer memory 520 is used as a work area for the control unit 512 and as an area for temporarily storing image data output to the display unit 526 .
- the flaw information DB 22 stores the flaw information acquired as described above in association with each part.
- photographed data D100 of an object to be inspected and product data D200 are stored in association with each part.
- the image processing unit 522 reads the photographed image data of the object to be inspected OBJ from the photographed object to be inspected data D100, performs image processing on the photographed image data, and detects flaws.
- the image processing unit 522 outputs captured image data and flaw detection result information (detection result) indicating the detection result (feature calculation result) of the detected flaw to the buffer memory 520 .
- the control unit 512 uses the data output to the buffer memory 520 to create a display image with information on the detection results of flaws (detection results) detected on the photographed image data, and displays this display image on the display unit 526 . to display.
- the radiogram interpreter can interpret the image displayed on the display unit 526 and inspect the object to be inspected OBJ.
- the radiogram interpreter may observe the radiographic image displayed on the display unit 26 to detect the flaw.
- the radiogram interpreter can input diagnostic results, such as defects or non-defects, for each piece of flaw information attached to the image displayed on the display unit 526 via the operation unit 514 .
- the radiogram interpreter may receive diagnostic results such as "Immediately replace the object OBJ to be inspected with a new one", “Observe the progress (reexamine after a days)", or "Leave alone (no defect)”. can be entered.
- the control unit 512 creates the subject inspection result data D10 (see FIG. 18) including the diagnosis result data and stores it in the defect information DB 22.
- FIG. 15 is a block diagram showing an example of an image processing unit. As shown in FIG. 15 , the image processing section 522 has a flaw detection section 220 and a measurement section 222 .
- the flaw detection unit 220 performs image processing (for example, color conversion processing, monochrome conversion processing, edge enhancement processing, conversion processing to three-dimensional data, etc.) on the photographed image data to detect changes in the color of the object to be inspected OBJ.
- image processing for example, color conversion processing, monochrome conversion processing, edge enhancement processing, conversion processing to three-dimensional data, etc.
- flaws for example, cracks, wear, rust, porosity, gas holes, FMMD, etc.
- product image data including an image of a (new) product in which the same flaws of the object OBJ to be inspected are not detected is included in the product data D200, and this product image data and the photographed image of the object to be inspected OBJ are included in the product data D200.
- a flaw may be detected by comparing the data.
- the flaw detection unit 220 may be configured by a detector on which known machine learning is performed.
- the measurement unit 222 measures the dimensions of each part of the object to be inspected OBJ based on the photographed image data and the photographing condition data of the object to be inspected OBJ.
- the measurement unit 222 for example, based on the photographing condition data such as the distance between the camera and the object to be inspected OBJ at the time of photographing, the focal length, and the zoom magnification, and the size of the object to be inspected OBJ in the photographed image data, The size of the object to be inspected OBJ is measured.
- the measurement unit 222 uses the measured size of the object to be inspected OBJ, the size of the object to be inspected OBJ in the photographed image data, and the size of the flaw to determine the size of the flaw (for example, maximum dimension, minimum dimension, crack depth, angle, etc.). Note that the size of the object to be inspected OBJ may be acquired via the product data D200.
- the measurement unit 222 measures the dimensions of each part of the object OBJ to be inspected and, for example, the information indicating the reflectance and transmittance (transmission attenuation) of the irradiation light when imaging the object OBJ to be inspected. Measure the wall thickness at each position. The thickness may be measured by the imaging system 500 at the time of imaging and included in the subject imaging data D100.
- FIG. 16 is a block diagram showing an example of subject imaging data.
- the subject imaging data D100 includes subject identification information, captured image data, imaging condition data, and illumination condition data.
- the information specifying the object to be inspected is information for specifying the object to be inspected OBJ. I'm in.
- the photographed image data is image data (for example, radiation image or visible light image) obtained by photographing the object to be inspected OBJ.
- the imaging condition data is stored for each photographed image data of the object to be inspected OBJ. contains information indicating
- the illumination condition data includes information indicating the type of radiation (for example, X-ray (radiation), visible light, transmitted light, or reflected light) used for imaging the object to be inspected OBJ, irradiation intensity, and irradiation angle. .
- FIG. 17 is a block diagram showing an example of product data.
- the product information includes product identification information, product attribute information, and inspection area designation information.
- the product data D200 may be recorded in the flaw information DB 22 in association with the subject imaging data D100 and the subject inspection result data D10 via the subject identification information and product identification information, You may make it acquire from product DB200 each time a defect inspection is carried out.
- Product identification information is information for identifying a product, and includes, for example, information indicating the product name, product number, part number, serial number, manufacturer name, and technical classification.
- Product attribute information includes, for example, information indicating the materials, dimensions, and usage of each part of the product.
- the information indicating the use of the product includes, for example, information on the name, type, processing state, and mounting method (for example, joints, welds, screwing, fitting, and soldering) of equipment to which the product is attached.
- the product attribute information also includes defect (or flaw) occurrence information.
- the defect occurrence information includes, for example, the past inspection date and time, the material of the object to be inspected OBJ, the type of defect that occurred in the past (for example, a foreign substance, a crack, etc.), the shape, the size, the depth, the location of occurrence (location coordinates, material at least one of: wall thickness, processing state (eg, joints, welds, etc.), and captured images of defects.
- the image processing unit 522 When detecting a flaw from the object to be inspected OBJ, the image processing unit 522 increases the detection accuracy of the flaw (for example, the minimum size of a flaw to be detected as a flaw ( size threshold) and a smaller crack depth threshold). Further, when the image of the object to be inspected OBJ and the image of the flaw are displayed on the display unit 526, a mark or the like for identifying the flaw detected from the photographed image data of the inspection region and the detection target region may be added. However, processing for emphasizing them may be applied.
- the detection accuracy of the flaw for example, the minimum size of a flaw to be detected as a flaw ( size threshold) and a smaller crack depth threshold.
- inspection area designation information is created for each use of the product (for example, for each type of equipment to which the product is installed, and for each installation location), and inspections corresponding to the specified use are prepared.
- the flaw may be detected using the area designation information.
- the product data of products with similar technical classifications may be acquired and used for image processing.
- FIG. 18 is a block diagram showing an example of inspection result data of an object to be inspected.
- the object inspection result data D10 includes object measurement information, flaw information, and diagnosis result information in addition to the above object identification information.
- the inspected object inspection result data D10 is recorded in the flaw information database 22 in association with the inspected object imaging data D100 via the inspected object specifying information.
- the object measurement data includes information indicating the size of the object to be inspected OBJ and the results of measurement by the measurement unit 222 of the thickness of the object to be inspected OBJ for each position.
- Flaw information includes information indicating flaw characteristics (for example, flaw ID, flaw type, flaw position, size, amount of change in wall thickness, etc.). , coordinates on a coordinate system (for example, a three-dimensional orthogonal coordinate system, a polar coordinate system, a cylindrical coordinate system, etc.) set according to the shape of the object to be inspected OBJ. , for example, information created based on the shape of a flaw detected from an image, etc. Specific examples of flaw types include porosity, gas hole, FMMD, granular defect, spot-like defect, crack-like defect, etc.
- the defect information includes the defect data
- the diagnostic result data includes the inspection date and time and the information additionally input by the radiologist for the defect
- the diagnostic result data includes, for example, whether the image is defective or non-defective. It contains information indicating the diagnostic results entered by the person.
- the inspection result data D10 of the object to be inspected may include a part of the imaging data D100 of the object to be inspected and the product data D200.
- the inspection result data D10 of the object to be inspected is transmitted to and stored in the product DB 200, and the product data D200 is inspected using the results of analysis of the defect information and diagnosis result data contained in the inspection result data D10 of the object to be inspected.
- the area designation information may be updated.
- FIG. 19 is a block diagram showing an example of an imaging system.
- the imaging system 500 is for imaging an object to be inspected OBJ placed in an imaging room 513. As shown in FIG. and radiation sources 509 and 511 .
- the imaging control unit 502 includes a CPU (Central Processing Unit) that controls the operation of each unit of the imaging system 500 .
- An imaging control unit 502 receives an operation input from an operator (photographer) via an imaging operation unit 504, and transmits a control signal corresponding to the operation input to each unit of the imaging system 500 to control the operation of each unit.
- CPU Central Processing Unit
- the imaging operation unit 504 is an input device that receives operation inputs from the operator, and includes a keyboard for character input, a pointer displayed on the display unit 526, and a pointing device (mouse, trackball, etc.) for operating icons and the like. contains.
- the operator inputs information about the object to be inspected OBJ and commands the camera 508 to execute imaging (setting of imaging conditions such as exposure time, focal length, and aperture, imaging angle, imaging location, etc.) via the imaging operation unit 504 .
- the image recording unit 506 records image data (light receiving image) of the object to be inspected OBJ photographed by the camera 508 .
- Information for identifying the object to be inspected OBJ is recorded in the image recording unit 506 in association with the image data.
- a camera 508 and radiation sources 509 and 511 are arranged inside an imaging room 513 .
- the radiation sources 509 and 511 are, for example, X-ray sources, and the partition walls and doorway between the imaging room 513 and the outside are X-ray protected by X-ray protective materials (for example, lead, concrete, etc.). there is In the case of irradiating the object OBJ with visible light for imaging, it is not necessary to use the protected imaging room 513 .
- the radiation sources 509 and 511 irradiate the object to be inspected OBJ placed in the imaging room 513 with radiation according to instructions from the imaging control unit 502 .
- the camera 508 irradiates the object OBJ to be inspected from the radiation source 509 and is reflected by the object OBJ to be inspected, or irradiates the object OBJ to be inspected from the radiation source 511 in accordance with the imaging execution instruction from the imaging control unit 502 .
- the object to be inspected OBJ is imaged by receiving the radiation transmitted through the object to be inspected OBJ.
- the object to be inspected OBJ is held in an imaging room 513 by a holding member (for example, a manipulator, a mounting table, a movable mounting table) (not shown).
- the distance and angle to the are adjustable.
- the operator can control the relative positions of the object to be inspected OBJ, the camera 508, and the radiation sources 509 and 511 via the imaging control unit 502, so that a desired portion of the object to be inspected OBJ can be imaged.
- the radiation sources 509 and 511 finish irradiating the object to be inspected OBJ with radiation in synchronization with the completion of imaging by the camera 508 .
- the camera 508 is arranged inside the imaging room 513, but the camera 508 can be arranged outside if it is possible to photograph the object to be inspected OBJ in the imaging room 513.
- one camera 508 and two radiation sources 509 and 511 are provided, but the number of cameras and radiation sources is not limited to this. For example, there may be multiple cameras and radiation sources, or there may be one each.
- the hardware structure of the processing unit (processing unit) (display selection instruction reception unit 30, flaw information acquisition unit 32, occurrence position distribution acquisition unit 34, display control unit 36, etc.) that executes various processes are various processors such as:
- the circuit configuration can be changed after manufacturing such as CPU (Central Processing Unit), which is a general-purpose processor that executes software (program) and functions as various processing units, FPGA (Field Programmable Gate Array), etc.
- Programmable Logic Device which is a processor, ASIC (Application Specific Integrated Circuit), etc. be
- One processing unit may be composed of one of these various processors, or composed of two or more processors of the same type or different types (for example, a plurality of FPGAs, or a combination of a CPU and an FPGA).
- a plurality of processing units may be configured by one processor.
- a processor functions as multiple processing units.
- SoC System On Chip
- SoC System On Chip
- the hardware structure of these various processors is, more specifically, an electrical circuit that combines circuit elements such as semiconductor elements.
- Each configuration and function described above can be appropriately realized by arbitrary hardware, software, or a combination of both.
- a program that causes a computer to execute the above-described processing steps (procedures), a computer-readable recording medium (non-temporary recording medium) recording such a program, or a computer capable of installing such a program can be applied.
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Abstract
Description
図1は、本発明の情報処理装置のハードウェアの構成例を示すブロック図である。
図6及び図7は、第1の表示形態を示す図である。
図8及び図9は、第2の表示形態を示す図である。なお、図6及び図7で既に説明を行った箇所は、同じ符号を付し説明は省略する。
図10は、第3の表示形態を示す図である。なお、図6及び図7で既に説明を行った箇所は、同じ符号を付し説明は省略する。
図11は、第4の表示形態を示す図である。なお、図6及び図7で既に説明を行った箇所は、同じ符号を付し説明は省略する。
図12は、第5の表示形態を示す図である。なお、図6及び図7で既に説明を行った箇所は、同じ符号を付し説明は省略する。
次に発生位置分布の算出及び発生位置分布の表示形態(模式図)に関して説明する。発生位置分布の算出及び発生位置分布の表示形態には、様々な手法が採用される。
次に、上述したきず情報DB22に記憶されるきず情報(図2を参照)の取得に関して説明する。
上記実施形態において、各種の処理を実行する処理部(表示選択指示受付部30、きず情報取得部32、発生位置分布取得部34、表示制御部36など)(processing unit)のハードウェア的な構造は、次に示すような各種のプロセッサ(processor)である。各種のプロセッサには、ソフトウェア(プログラム)を実行して各種の処理部として機能する汎用的なプロセッサであるCPU(Central Processing Unit)、FPGA(Field Programmable Gate Array)などの製造後に回路構成を変更可能なプロセッサであるプログラマブルロジックデバイス(Programmable Logic Device:PLD)、ASIC(Application Specific Integrated Circuit)などの特定の処理を実行させるために専用に設計された回路構成を有するプロセッサである専用電気回路などが含まれる。
10 :情報処理装置
12 :入出力インターフェース
14 :プロセッサ
16 :メモリ
18 :検査結果表示プログラム
22 :情報データベース
24 :操作部
26 :表示部
30 :表示選択指示受付部
32 :情報取得部
34 :発生位置分布取得部
36 :表示制御部
100 :放射線画像
102 :詳細情報表示
104 :タイムラインバー
106 :ポインター
108 :発生位置分布
110 :種類表示
112 :拡大縮小アイコン
114 :移動カーソル
116 :設計図面
Claims (20)
- プロセッサを備える情報処理装置であって、
前記プロセッサは、
ユーザ操作される操作部から、表示選択指示を受け付け、
部品のきずに関する情報であって、前記部品における前記きずの位置情報を含む、きず情報を取得し、
前記きず情報に基づいて、前記きずの発生位置分布を取得し、
前記表示選択指示に応じて、前記部品の画像上に前記発生位置分布を表示する、
情報処理装置。 - 前記表示選択指示は、複数の前記部品の配列の位置を指示するものであり、前記配列の位置に対応する前記発生位置分布が表示される請求項1に記載の情報処理装置。
- 前記配列は、時間の成分を有する請求項2に記載の情報処理装置。
- 前記時間は、前記部品の製造又は検査に関するものである請求項3に記載の情報処理装置。
- 前記きずは、放射線透過により検出されるものである請求項1から4のいずれか1項に記載の情報処理装置。
- 前記プロセッサは、前記発生位置分布に関連して前記きず情報を表示する請求項1から5のいずれか1項に記載の情報処理装置。
- 前記プロセッサは、表示部に前記部品の製造、又は前記部品の検査の時刻を示すユーザーインターフェース表示を行い、
前記表示選択指示は、前記ユーザーインターフェース表示により受け付けられ、前記部品の製造、又は前記部品の検査の時刻で構成されている請求項1から6のいずれか1項に記載の情報処理装置。 - 前記プロセッサは、表示部に前記部品の製造番号を示すユーザーインターフェース表示を行い、
前記表示選択指示は、前記ユーザーインターフェース表示により受け付けられ、前記製造番号で構成されている請求項1から6のいずれか1項に記載の情報処理装置。 - 前記プロセッサは、
前記ユーザーインターフェース表示に、前記きず情報も合わせて表示する請求項7又は8に記載の情報処理装置。 - 前記ユーザーインターフェース表示に表示するきず情報は、きずの数、又はきずの総面積である請求項9に記載の情報処理装置。
- 前記ユーザーインターフェース表示には、設定された基準値に応じて、前記きず情報が表示される請求項10に記載の情報処理装置。
- 前記きず情報は、前記きずの種類に関する情報を含み、
前記ユーザーインターフェース表示は、前記きずの種類毎に前記きず情報を表示する請求項7から11のいずれか1項に記載の情報処理装置。 - 前記表示選択指示は、前記ユーザーインターフェース表示において期間が選択され、
前記画像上に前記期間に応じた前記発生位置分布を表示する請求項7から12のいずれか1項に記載の情報処理装置。 - 前記発生位置分布の表示は、移動が可能である請求項1から13のいずれか1項に記載の情報処理装置。
- 前記発生位置分布の表示は、拡大又は縮小することが可能である請求項1から14のいずれか1項に記載の情報処理装置。
- 前記画像は、前記部品の放射線画像、位置合わせされた複数の前記放射線画像、又は前記部品の設計図面である請求項1から15のいずれか1項に記載の情報処理装置。
- 前記表示選択指示は、表示対象の前記部品の選択である請求項1から16のいずれか1項に記載の情報処理装置。
- プロセッサを備える情報処理装置の情報処理方法であって、
前記プロセッサに、
ユーザ操作される操作部から、表示選択指示を受け付けるステップと、
部品のきずに関する情報であって、前記部品における前記きずの位置情報を含む、きず情報を取得するステップと、
前記きず情報に基づいて、前記きずの発生位置分布を取得するステップと、
前記表示選択指示に応じて、前記部品の画像上に前記発生位置分布を表示するステップと、
を行わせる情報処理方法。 - プロセッサを備える情報処理装置に情報処理方法を実行させるプログラムであって、
前記プロセッサに、
ユーザ操作される操作部から、表示選択指示を受け付けるステップと、
部品のきずに関する情報であって、前記部品における前記きずの位置情報を含む、きず情報を取得するステップと、
前記きず情報に基づいて、前記きずの発生位置分布を取得するステップと、
前記表示選択指示に応じて、前記部品の画像上に前記発生位置分布を表示するステップと、
を実行させるプログラム。 - 非一時的かつコンピュータ読取可能な記録媒体であって、請求項19に記載のプログラムが記録された記録媒体。
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JP2006310551A (ja) * | 2005-04-28 | 2006-11-09 | Hitachi High-Technologies Corp | 検査支援システム、及び方法 |
JP2012045563A (ja) * | 2010-08-25 | 2012-03-08 | Toyota Motor Corp | 欠陥情報のフィードバック方法 |
WO2017130550A1 (ja) | 2016-01-29 | 2017-08-03 | 富士フイルム株式会社 | 欠陥検査装置、方法およびプログラム |
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