KR20120036649A - Method for searching information by using drawing and terminal thereof - Google Patents

Abstract

PURPOSE: A searching method using drawing of a terminal is provided to search for information related to a picture of a portable terminal. CONSTITUTION: A control unit activates a drawing pad for information search(S510). A user draws a search target picture on an activated drawing pad(S520). The control unit determines the search of text information related to the picture(S530). The control unit analyzes an image of the picture(S550, S580). The control unit searches for information which is matched with the analyzed image. The control unit displays a search result on a display unit(S560, S590).

Description

Searching method using the drawing of the terminal and its terminal {METHOD FOR SEARCHING INFORMATION BY USING DRAWING AND TERMINAL THEREOF}

The present invention relates to a search method using a drawing in a terminal, and more particularly, to search using a drawing capable of searching for desired information by drawing a picture other than searching through a text or an image in the terminal.

A terminal such as a personal computer, a notebook computer, or a mobile phone has various functions, for example, a multimedia device having a complex function such as photographing or photographing of a moving picture, reproduction of music or a moving picture file, (Multimedia player).

Terminals may be divided into mobile terminals and stationary terminals according to their mobility. The mobile terminal may be further classified into a handheld terminal and a vehicle mount terminal according to whether a user can directly carry it.

Recently, a user accesses an Internet web portal site (eg, Google, Yahoo, Naver, etc.) with a mobile terminal, and the user not only uses a web service but also receives a search service through a search engine provided by the web portal site. .

Search engines are software or websites that make it easy to find material on the Internet. Types of search engines include word-oriented searching, subject-oriented searching, and meta-search engines.

However, in the conventional search method through a search engine, text search and image search are mainstream. Therefore, when there is no information about text or an image, it is difficult for a user to search for information to find.

The present invention has been made to solve the above problems, the present invention provides a search method for searching for information desired by a user's intellectual drawing through a drawing search, in addition to text search and image search.

An information retrieval method using a drawing of a terminal according to the present invention for realizing the above object,

Activate a drawing pad to retrieve information; Drawing a picture to be searched on the activated drawing pad; Determine whether to retrieve image information or text information in relation to the green picture; And analyze the image of the green picture; The information matching the analyzed image is searched for, and the search result is displayed.

In addition, the terminal according to the present invention for realizing the above object,

A memory for storing a list of pictures and pictograms; A display unit for displaying a drawing pad, the pictures and the pictogram list; A touch pad configured to recognize a touch input of a picture drawn on the drawing pad and to be correlated with the display unit; And a controller for searching for information related to an image of a picture drawn on the drawing pad.

In particular, the controller is configured to display the pictures or the pictogram images stored in the memory on the display unit, detect a touch input input to the touch pad, analyze an image of a picture drawn on the drawing pad, Image information or text information matching the image of the analyzed picture is retrieved and controlled to be displayed on the display, thereby providing convenience for the terminal user to search for information by the picture drawn directly.

The present invention has the effect of providing the terminal user with the convenience of information retrieval by searching for information related to a picture drawn directly by the terminal user.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
Figure 2a is a front perspective view of an example of a mobile terminal according to the present invention.
FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.
3 is a diagram schematically illustrating a drawing search method according to an embodiment of the present invention.
Figure 4 is an embodiment of the present invention, a configuration of a drawing pad according to the present invention.
5 is a flowchart illustrating a drawing search method according to an embodiment of the present invention.
FIG. 6 is an example of searching for image information of a picture directly drawn on a drawing pad according to the first embodiment of the present invention.
FIG. 7 illustrates an example of retrieving image information about a picture directly drawn on a drawing pad as a second embodiment of the present invention.
FIG. 8 illustrates an example of retrieving text information about a picture directly drawn on a drawing pad.
FIG. 9 illustrates an example of retrieving text information about a picture directly drawn on a drawing pad.
FIG. 10 is an example of searching for image information about a picture directly drawn on a drawing pad as a fifth embodiment of the present invention.
FIG. 11 is an example of searching for image information about a pictogram drawn directly on a drawing pad according to a sixth embodiment of the present invention.

The present invention is applied to a mobile communication terminal using a touch input technology and a search engine. However, the present invention is not limited thereto, and all communication systems and other technical fields to which the technical spirit of the present invention may be applied may also be applied.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or similar components will be given the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. In addition, it should be noted that the accompanying drawings are only for easily understanding the spirit of the present invention and should not be construed as limiting the spirit of the present invention by the accompanying drawings.

Overall configuration of the mobile terminal

The mobile terminal described herein may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, and the like. However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals such as digital TVs, desktop computers, and the like, except when applicable only to mobile terminals.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface. The unit 170, the controller 180, and the power supply unit 190 may be included. The components shown in FIG. 1 are not essential, so that a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast center through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast center may refer to a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcasting system but also other broadcasting systems.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the mobile terminal 100. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The location information module 115 is a module for obtaining a location of a mobile terminal, and a representative example thereof is a GPS (Global Position System) module.

Referring to FIG. 1, the A / V input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame may be displayed on the display unit 151.

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. Two or more cameras 121 may be provided according to the use environment.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 detects the current state of the mobile terminal 100 such as the open / closed state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, the acceleration / deceleration of the mobile terminal, and the like. To generate a sensing signal for controlling the operation of the mobile terminal 100. For example, if the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141.

In addition, the sensing unit 140 may include an electronic compass 142 measuring the direction of the terminal and an acceleration sensor 143 measuring the tilt of the terminal. Here, the data measured by the electronic compass 142 and the acceleration sensor 143 is used to confirm the attitude of the terminal. The present invention may be implemented as a gyro sensor instead of the electronic compass 142 and the acceleration sensor 143.

The output unit 150 is used to generate an output related to sight, hearing, or tactile sense, and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154. Can be.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a shooting mode, the mobile terminal 100 displays a photographed and / or received image, a UI, or a GUI.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of a 3D display.

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

Two or more display units 151 may exist according to the implementation form of the mobile terminal 100. For example, a plurality of display units may be spaced apart or integrally disposed on one surface of the mobile terminal 100, or may be disposed on different surfaces.

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. Can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor may be configured to detect not only the position and area of the touch but also the pressure at the touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and then transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of a mobile terminal surrounded by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

The sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 may also output a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed by the mobile terminal 100. The sound output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm unit 153 may output a signal for notifying occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152, so that they 151 and 152 may be classified as part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to vibration, the haptic module 154 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through an injection or inlet port, grazing to the skin surface, contact of an electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. The haptic module 154 may be provided with two or more according to the configuration aspect of the mobile terminal 100.

The memory 160 may store a program for the operation of the controller 180 and may temporarily store input / output data (for example, a phone book, a message, a still image, a video, etc.). The memory 160 may store data relating to various patterns of vibration and sound output when a touch input on the touch screen is performed.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), RAM (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a passage with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits the data inside the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip that stores various types of information for authenticating the use authority of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identification module (SIM), and a universal user authentication module ( Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, respectively.

The controller 180 operates the camera 121 according to a user input, and outputs a live image input in real time through the camera 121 to the display unit 151. The controller 180 checks whether augmented reality is used when operating the camera 121. When the augmented reality is set to be used, the controller 180 positions the position (altitude, latitude, longitude, etc.) of the terminal through the location information module 115, and controls the electronic compass 142 and the acceleration sensor 143. Measure the direction and tilt of the terminal through. That is, the controller 180 controls the location information module 115, the electronic compass 142, and the acceleration sensor 143 to measure the photographing position and posture of the live image obtained through the camera 121.

In addition, the controller 180 requests the point of interest information on the objects (eg, buildings, facilities, stations, airports, terminals, hotels, etc.) included in the live-action (real world) image input through the camera 121. Creates a message to send to the server providing augmented reality services. The request message may include the measured position and attitude information of the terminal.

When the controller 180 receives the point of interest information requested from the server, the controller 180 superimposes the received information on the live image displayed on the display. In this case, the controller 180 displays the point of interest information corresponding to each object included in the live image displayed on the display.

In addition, when receiving the point of interest information, the controller 180 searches the memory 160 of the terminal for data matching or related to the received point of interest information. The memory 160 stores a phone book, a scheduler, a memo, a message, an e-mail, and the like. Here, the controller 180 may set a search range according to a user's input. When the search range is set, the controller 180 searches for data matching (related to) the point of interest information within the set search range.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

Various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware or a combination thereof.

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

According to the software implementation, embodiments such as the procedures and functions described herein may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code may be stored in the memory 160 and executed by the controller 180.

Figure 2a is a front perspective view of an example of a mobile terminal according to the present invention.

The disclosed mobile terminal 100 has a terminal body in the form of a bar. However, the present invention is not limited thereto and may be applied to various structures such as a slide type, a folder type, a swing type, a swivel type, and two or more bodies are coupled to be relatively movable.

The body includes a casing (casing, housing, cover, etc.) that forms an exterior. In this embodiment, the case may be divided into a front case 101 and a rear case 102. Various electronic components are built in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injecting synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 151, the audio output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, and the interface 170 may be disposed in the terminal body, mainly the front case 101. have.

The display unit 151 occupies most of the main surface of the front case 101. The sound output unit 152 and the camera 121 are disposed in regions adjacent to one end of both ends of the display unit 151, and the user input unit 131 and the microphone 122 are disposed in regions adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is manipulated to receive a command for controlling the operation of the mobile terminal 100, and may include a plurality of manipulation units 131 and 132. The manipulation units 131 and 132 may also be collectively referred to as manipulating portions, and may be employed in any manner as long as the user operates the tactile manner with a tactile feeling.

Content input by the first or second manipulation units 131 and 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 ′ may be additionally mounted on the rear of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 2A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the camera 121 'photographs a general subject and does not transmit it immediately. It is desirable to have a high pixel because there are many. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are further disposed adjacent to the camera 121 '. The flash 123 shines light toward the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to see his / her own face or the like when photographing (self-photographing) the user using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 ′ may implement a stereo function together with the sound output unit 152 (see FIG. 2A), and may be used to implement a speakerphone mode during a call.

In addition to the antenna for talking and the like, a broadcast signal reception antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116, which forms part of the broadcast receiving module 111 (see FIG. 1), can be installed to be able to be drawn out from the terminal body.

The terminal body is equipped with a power supply unit 190 for supplying power to the mobile terminal 100. The power supply unit 190 may be embedded in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may be further equipped with a touch pad 135 for sensing a touch. Like the display unit 151, the touch pad 135 may also be configured to have a light transmission type. In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both surfaces may be controlled by the touch pad 135. Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

The touch pad 135 operates in association with the display unit 151 of the front case 101. The touch pad 135 may be disposed in parallel to the rear of the display unit 151. The touch pad 135 may have the same or smaller size as the display unit 151. The touch pad 135 may be disposed parallel to the front of the display unit 151.

According to the present invention, in a terminal having a touch pad capable of touch input, an image (including still images and moving images) taken by a camera of the terminal or images transmitted by wire or wireless can be provided to a display, and also an internet search A description will be given on the premise of a terminal that can use the engine. Also, for convenience of description of the present invention, it is assumed that the touch pad 135 is disposed on the display unit 151 of the front case 101.

The basic concept of the present invention is to select a target to be searched by a user drawing a picture directly on a drawing pad or by drawing an outline of a specific object in an image (picture or picture, etc.) stored in a terminal; Retrieve image information and / or text information corresponding to the selected image (ie, a picture drawn by a user, or a contour of a specific object drawn by the user); By displaying the searched list on the display, the terminal user is provided with the convenience of searching.

drawing( drawing How to search by)

3 is a diagram schematically illustrating a drawing search method according to an embodiment of the present invention. 3 illustrates screens displayed on a display unit of a terminal. Hereinafter, a drawing search method according to the present invention will be described with reference to FIG. 3.

According to the present invention, the drawing search method may be provided as a drawing search widget as shown in screen 1 or may be provided when a search window of a browser of a search engine (for example, google) is touched as shown in screen 2. have.

When a user of the terminal 100 touches a drawing search (ie, "drawing search") widget on a screen configured as a widget (or an icon) as shown in screen 1, the search box 10 and the drawing pad of the browser as shown in screen 3 20 is displayed on the display unit 151 together. In addition, when the user of the terminal 100 touches the browser search window as shown in screen 2, the terminal 100 moves to screen 3. Meanwhile, the screen 4 is an enlarged drawing of the drawing pad 20 as an embodiment of the present invention.

In this case, after drawing a picture related to information that the user wants to search on the drawing pad 20, an image or text related to the picture may be selected and searched.

4 is a configuration diagram of a drawing pad according to an embodiment of the present invention.

Referring to FIG. 4, the drawing pad 20 provides various tools on which the user can draw a picture using a finger, a stylus pen, or the like on the touch pad 135. For example, the tool provided by the drawing pad 20 in FIG. 4 includes: a pen 21; Color (not shown); Eraser 22; Style 23; Undo 24; Redo 25; A keypad / drawing pad switching key 26 for displaying a virtual keypad (not shown) or a drawing pad 20 which can be input by touch; A drawing area 27 of an area in which a picture can be drawn; A text search button 28 for searching text information associated with a picture drawn by a user in the drawing area 27; An image search button 29 for searching image information associated with a picture drawn by a user in the drawing area 27; And a pictogram button 30 for activating the pictogram list.

However, the tool of the drawing pad 20 of FIG. 4 is an embodiment of the present invention, and may be variously configured by a user's manipulation or firmware.

5 is a flowchart illustrating a drawing search method according to an embodiment of the present invention.

When the user wants to search by drawing a picture, the terminal 100 activates the drawing pad 20 by touching the 'drawing search widget' or by touching the browser search window (S510). Using the tool provided by the activated drawing pad 20, the user draws an image to be searched for (S520). Meanwhile, the user may read a picture (or a picture or an image stored in the terminal) taken by the camera of the terminal 100 and draw the outline of a specific object in the picture.

In operation S520, it is determined whether information related to the image drawn in the text or the image is searched (S530). That is, in step S530, the user touches the text search button 28 of the drawing pad 20 when the user wants to search for text information related to the image drawn in step S520, and the image when the user wants to search for image information. Touch the search button 29.

If the user wants to search for image information about a picture drawn by the user, the image search button 29 is touched (S540), and the controller 180 controls the shape, color, and thickness of the image drawn in step S520. Other factors are analyzed in consideration of factors that determine the characteristics of the image (S550). That is, the controller 180 includes an algorithm for analyzing an image, grasps what the image is, and searches for image information matching the image. The controller 180 displays the searched result on the display unit 151 (S560).

On the other hand, if the user wants to search the text information on the picture drawn directly, and touches the text search button 28 (S570), the controller 180 analyzes the shape, color distribution, etc. of the image drawn in step S520 (S580). ). That is, the controller 180 includes an algorithm for analyzing an image, grasps what the image is, and searches for text information matching the image. The controller 180 displays the searched result on the display unit 151 (S590).

Hereinafter, embodiments of the present invention will be described with reference to FIGS. 6 to 11.

FIG. 6 is an example of searching for image information of a picture directly drawn on a drawing pad according to the first embodiment of the present invention. However, FIG. 6 corresponds to a case in which the user wants to search for image information related to 'bear'.

If the user wants to search for an image image related to 'bear' by drawing a 'bear' picture directly, draw 'bear' directly on the touch pad 20 using a finger or a touch pen (or stylist pen) (screen 6-). 1 to screen 6-3).

After the user completes the picture (screen 6-3), the user touches the image search button 29 (screen 6-4) in order to perform an image search in relation to the 'bear' drawn. The controller 180 analyzes the picture drawn by the user to determine a 'bear', searches for image information on the 'bear', and displays the result. However, in screen 6-5, the controller 180 determines that the user's 'bear' is similar to 'Mickey Mouse', and displays the image information related to the 'Mickey Mouse' as a result.

FIG. 7 illustrates an example of retrieving image information about a picture directly drawn on a drawing pad as a second embodiment of the present invention. However, FIG. 7 corresponds to a case in which the user wants to search for image information related to 'A'.

If the user wants to search the image image related to 'A' by drawing the 'A' drawing directly, the Mickey Mouse is drawn directly with the finger or the touch pen (or stylist pen) on the touch pad 20 (screen 7). -1 to screen 7-3).

After the user completes the picture (screen 7-3), touch the image search button 29 (screen 7-4) to perform an image search in relation to the 'A' drawn directly. The controller 180 analyzes the picture drawn by the user, searches for image information similar or related to 'A', and displays the result (screen 7-5). That is, as shown in screen 7-5, image information such as the Eiffel Tower similar to 'A' is displayed.

FIG. 8 illustrates an example of retrieving text information about a picture directly drawn on a drawing pad. However, FIG. 8 corresponds to a case in which the user wants to search for image information related to 'bear'.

If the user wants to search the image image related to the 'bear' by drawing a 'bear' picture directly, the user draws the 'bear' directly with the finger or the touch pen (or stylist pen) on the touch pad 20 (screen 8-). 1 to screen 8-3).

After the user completes the picture (screen 8-3), touch the text search button 28 (screen 8-4) to perform a text search in relation to the 'bear' drawn directly. The controller 180 analyzes the picture drawn by the user to determine a 'bear', searches for text information on the 'bear', and displays the result (screen 8-5).

FIG. 9 illustrates an example of retrieving text information about a picture directly drawn on a drawing pad. However, FIG. 9 corresponds to a case in which the user wants to search for image information related to 'bear'. In comparison with the embodiment of FIG. 8, the embodiment of FIG. 9 is when a user directly draws a 'bear' on the touch pad 20 (screen 9-1) and then presses the text search button 28 (screen, 9 -2), the related search word related to the drawn picture or the recent search contents are provided by using a pop-up window (or a speech bubble).

That is, when the user draws a picture as shown in the screen 9-1 and then touches the text search button 28, the controller 180 may search for a recent search term and a search word associated with the drawn picture (eg, Mickey, Teddy Bear, MP3, a bear, etc.) are partially displayed on the display unit 151 using a popup window (or a speech bubble, etc.) (screen 9-3). As shown in screen 9-3, when there are a large number of related search words displayed in the pop-up window, the next related search word (ie, 'bear' on screen 9-4) is displayed by touch and drag input. When the user selects and touches 'bear' on screen 9-4, the controller 180 searches for text information about the selected related search word 'bear' and displays the searched result as shown in screen 9-5.

FIG. 10 is an example of searching for image information about a picture directly drawn on a drawing pad as a fifth embodiment of the present invention. However, the embodiment of FIG. 10 reads a picture taken by a user or a picture stored in a memory, draws an outline of a specific object selected from the picture (ie, a 'cup' in FIG. 10), and then selects the specific object. This is the case when searching for image information related to.

That is, the display unit 151 displays a picture (or a picture stored in the memory of the terminal) taken by the camera of the terminal (screen 10-1). The user selects an object to search for 'cup' in the picture, and draws the outline of the 'cup' with a finger or a touch pen (screens 10-2 and 10-3). In order to retrieve the image information on the selected 'cup', when the image search button 29 is touched, the controller 180 analyzes the selected outline drawn to determine that the outline is an image of the 'cup' and matches it. Retrieve image information. Then, the controller 180 displays the result of the retrieved image information as shown in screen 10-5.

FIG. 11 is an example of searching for image information about a pictogram drawn directly on a drawing pad according to a sixth embodiment of the present invention. Here, the pictogram is a symbol character that makes things, facilities, actions, concepts, etc. represented by pictographs so that an unspecified number of people can easily and easily empathize.

When the drawing pad 20 is activated by the user touching the search box (screen 11-1), the drawing tool directly draws a pictogram to be searched or selects the pictogram button 30 as shown in screen 11-1 ( Touch) to receive pictograms stored in the memory of the controller 180. That is, when the user touches the pictogram button 30, the pictograms stored in the memory of the terminal are displayed as shown in screen 11-2. The user selects a pictogram of the 'smiley face' among the pictograms, and touches the image search button 29 to retrieve image information about the selected pictogram. The controller 180 detects a touch input of the image search button 29, searches for image information related to the selected pictogram (that is, a smiling face), and displays the searched result as shown in the screen 11-4.

Meanwhile, according to an embodiment of the present invention, the above-described method may be embodied as computer readable codes on a medium in which a program is recorded. The computer-readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of the computer-readable medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) . In addition, the computer may include the controller 180 of the terminal.

The above-described terminal is not limited to the configuration and method of the above-described embodiments, the embodiments may be configured by selectively combining all or a part of the embodiments so that various modifications can be made have.

100: mobile terminal 110: wireless communication unit
120: A / V input unit 121: camera
130: user input unit 140: sensing unit
142: electronic compass 143: acceleration sensor
150: output unit 160: memory
170: interface unit 180: control unit
190: power supply

Claims (8)

(A) activating a drawing pad to retrieve information;
(B) drawing a picture to be searched on the activated drawing pad;
(C) determining whether to retrieve image information or text information in relation to the drawn picture;
(D) analyzing the image of the green picture;
(E) searching for information matching the analyzed image, and displaying the searched result.
The method of claim 1, wherein step (B)
Reading an image stored in the terminal;
Contouring a specific object in the read image; Information retrieval method using a drawing of a terminal comprising a.
The method of claim 1, wherein step (D)
An information retrieval method using a drawing of a terminal characterized by analyzing at least one of the shape and color of the image of the green picture.
The method of claim 1, wherein the drawing pad
At least one drawing tool for drawing the figure,
An image search button for performing an image search in relation to the drawn picture;
A text search button for performing a text search in relation to the drawing;
A pictogram button that provides a list of pictograms stored on the terminal;
At least one of a virtual keypad and a drawing pad switch button.
The method of claim 1, wherein in the step (C)
If it is determined that the text information is to be retrieved in relation to the picture drawn above,
And providing a search word or a recently searched content associated with the drawn picture.
The method of claim 1, wherein step (B)
Selecting a pictogram button to activate the pictogram list;
And selecting a specific pictogram to be searched from the activated pictogram list.
A memory for storing a list of pictures and pictograms;
A display unit for displaying a drawing pad, the pictures and the pictogram list;
A touch pad configured to recognize a touch input of a picture drawn on the drawing pad and to be correlated with the display unit;
Display pictures or pictogram images stored in the memory on the display unit;
Detects a touch input input to the touch pad, analyzes an image of a picture drawn on the drawing pad,
And a controller for searching for and displaying image information or text information matching the image of the analyzed picture.
The method of claim 7, wherein the drawing pad
Drawing tools for drawing the drawings,
An image search button for performing an image search in relation to the drawn picture;
A text search button for performing a text search in relation to the drawing;
A pictogram button for reading a list of pictograms stored in the memory;
And at least one of a virtual keypad and a drawing pad switch button.

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