CN111281327A - Electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting color comparison - Google Patents
Electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting color comparison Download PDFInfo
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- CN111281327A CN111281327A CN202010174690.8A CN202010174690A CN111281327A CN 111281327 A CN111281327 A CN 111281327A CN 202010174690 A CN202010174690 A CN 202010174690A CN 111281327 A CN111281327 A CN 111281327A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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Abstract
The invention discloses an electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral color comparison in the technical field of spectral color comparison, which comprises an image acquisition part, an image processing part, an image reconstruction part and an image display part, wherein the lesion is illuminated through an LED, after the reflected light image is processed by a CCD camera element, the spectrum estimation chip carries out spectrum estimation according to a statistical optical theory, screening the RGB values of the corresponding wavelengths separated by the CCD camera element to generate a specific image, thereby clearly observing the shape of the tiny glandular tube and the shape of the microvessel on the surface of the rectum-anal canal mucous membrane, improving the contrast of the surface capillary and the subcutaneous microvessel imaging, enabling the focus and the surrounding normal mucous membrane boundary to be clearer, the blood vessel morphological change and the texture image can be clearly observed, the edge of the focus can be better outlined, the depth and the trend of the lesion can be evaluated, and the focus which is difficult to be found by a common proctoscope can be found.
Description
Technical Field
The invention relates to the technical field of spectral colorimetry, in particular to an electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral colorimetry.
Background
The early detection and treatment of rectum-anal canal mucous membrane focus become the problems which need to be solved urgently in the medical field, the conventional endoscope technology is difficult to find flat type lesion or concave type lesion of the large intestine, the observation of the opening of a diseased gland canal and a tiny blood vessel is limited, the dyeing endoscope and the amplification endoscope technology can find the small colon lesion and early cancer, the detection rate of the early cancer of the large intestine can be obviously improved, but the dyeing endoscope is troublesome and time-consuming, the operation is slightly complicated, a specific image cannot be generated, and the observation is inconvenient, so the electronic endoscope for rectum-anal canal mucous membrane focus tissue examination based on LED intelligent light splitting and color comparison is provided to solve the problems.
Disclosure of Invention
The invention aims to provide an electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting and color comparison, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting color comparison,
the image processing device comprises an image acquisition part for acquiring rectum-anal canal mucous membrane focus tissue images, an image processing part for processing acquired image data, an image reconstruction part for regenerating the image of rectum-anal canal mucous membrane focus tissue shot by image acquisition and an image display part for generating the image of image reconstruction;
the image acquisition part comprises an LED lamp bank and a CCD camera element, and reflected light of the LED lamp bank irradiating the focus is processed by the CCD camera element and decomposed into RGB wavelengths;
the image processing part screens RGB values of corresponding wavelengths separated by the CCD camera element, and finds the most possible distribution form in a plurality of metamerisms;
the image reconstruction part comprises a wavelength acquisition module, a registration module and a spectral analysis module, wherein the wavelength acquisition module decomposes the independent wavelength obtained in the image processing part into a plurality of independent single spectral bands, the registration module registers the position of the image acquired by the CCD camera element through edge extraction, feature extraction and geometric transformation, a foundation is laid for spectral analysis and color calculation, and the spectral analysis module obtains the spectral reflectivity and color parameters of any point in the image through a spline interpolation algorithm so as to obtain the image after focus reconstruction;
the image display part comprises an image processing module and a color imaging module, the display module displays the reconstructed image through a display screen, the read detection result is transferred to a computer through a color sensor in the color imaging module, and the computer determines whether the color reproducibility of the color tone of the output color block is proper or not.
The LED lamp group of the image acquisition part is composed of a plurality of LED lamps including at least one white light LED. Preferably, a first LED, a second LED, a third LED and a fourth LED are further included.
Compared with the prior art, the invention has the beneficial effects that:
1. based on an LED intelligent light-splitting colorimetric technology, the focus is illuminated by an LED, a reflected light image of the focus is processed by a CCD camera element, a spectrum estimation chip screens RGB values of corresponding wavelengths separated by the CCD camera element according to a statistical optical theory to generate a specific image, so that the shape of a capillary tube and the shape of a capillary vessel on the surface of a rectum-anal mucosa can be clearly observed, the contrast of surface capillary vessels and subcutaneous capillary vessels is improved, the boundary of the focus and a surrounding normal mucosa is clearer, the change of the shape of the vessel and a texture image can be clearly observed, the edge of the focus can be better outlined, the depth and the trend of the focus can be better evaluated, and the focus which is difficult to be found by a common proctoscope can be found;
2. the invention is based on the LED intelligent spectral colorimetric technology, uses an LED light source, reduces the volume of the instrument, improves the portability, utilizes the intelligent spectral colorimetric principle, processes a mucous membrane image through a spectrum estimation chip, can reconstruct a focus image according to the requirement, more intuitively presents the depth of different layers, can finely observe the surface structure of the mucous membrane, the shape of capillary vessels and the change of fine concave-convex of the mucous membrane, provides intuitive reference basis for doctors to the recognition of the focus, the judgment of the benign and malignant tumors and the like, accurately guides the biopsy, improves the diagnosis accuracy and the sensitivity of diseases, diagnoses the focus of rectum-anal canal mucous membrane tissues and early cancers more accurately, and can judge the range of the pathological changes and guide the operation.
Drawings
Fig. 1 is a technical route chart of the electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral colorimetry of the invention.
Fig. 2 is a structural block diagram of an image acquisition part of the electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting and color-comparison.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1-2, the electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting and color-comparison provided by the invention,
the image processing device comprises an image acquisition part 1 for acquiring rectum-anal canal mucous membrane focus tissue images, an image processing part 2 for processing acquired image data, an image reconstruction part 3 for regenerating images of rectum-anal canal mucous membrane focus tissues shot by image acquisition and an image display part 4 for generating the images for image reconstruction;
the image acquisition part comprises a first LED11, a second LED12, a third LED13, a fourth LED14, a white LED15 and a CCD camera element 16, wherein reflected light of each LED lamp irradiating a focus is processed and decomposed into different specific RGB wavelengths by the CCD camera element;
the image processing part screens RGB values of corresponding wavelengths separated by the CCD camera element by using a spectrum estimation chip according to a statistical optical theory and a material segmentation algorithm according to an image, and finds the most possible distribution form in a plurality of metamerisms; RGB in different combinations can present different levels of depth, which is beneficial to observing the surface structure of the mucous membrane, the morphological structure of capillary vessels and the micro concave-convex change of the mucous membrane;
the image reconstruction part comprises a wavelength acquisition module, a registration module and a spectral analysis module, wherein the wavelength acquisition module decomposes the independent wavelength obtained in the image processing part into a plurality of independent single spectral bands, the registration module registers the position of the image acquired by the CCD camera element through edge extraction, feature extraction and geometric transformation, a foundation is laid for spectral analysis and color calculation, and the spectral analysis module obtains the spectral reflectivity and color parameters of any point in the image through a spline interpolation algorithm so as to obtain the image after focus reconstruction;
the image display part comprises an image processing module and a color imaging module, the display module displays the reconstructed image through a display screen, the read detection result is transferred to a computer through a color sensor in the color imaging module, and the computer determines whether the color reproducibility of the color tone of the output color block is proper or not.
In the present invention, the image obtaining section 1 includes a first LED11, a second LED12, a third LED13, a fourth LED14, a white LED15 and a CCD image pickup element 16, the lesion is illuminated by the first LED11, the second LED12, the third LED13, the fourth LED14, and the white LED15, after the reflected light image is processed by the CCD camera 16, the spectrum estimation chip estimates the spectrum of the light according to the statistical optical theory, the RGB values of the respective wavelengths separated by the CCD image pickup element 16 are screened, a specific image is generated, thereby clearly observing the shape of the tiny glandular tube and the shape of the microvessel on the surface of the rectum-anal canal mucous membrane, improving the contrast of the surface capillary and the subcutaneous microvessel imaging, enabling the focus and the surrounding normal mucous membrane boundary to be clearer, the blood vessel morphological change and the texture image can be clearly observed, the edge of the focus can be better outlined, the depth and the trend of the lesion can be evaluated, and the focus which is difficult to be found by a common proctoscope can be found.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an electronic scope of rectum-anal canal mucous membrane focus tissue inspection based on LED intelligence spectral color comparison which characterized in that:
the system comprises an image acquisition part (1) for acquiring rectum-anal canal mucous membrane lesion tissue images, an image processing part (2) for processing acquired image data, an image reconstruction part (3) for regenerating images of rectum-anal canal mucous membrane lesion tissues shot by image acquisition and an image display part (4) for generating the images for image reconstruction;
the image acquisition part comprises an LED lamp bank and a CCD camera element, and reflected light of the LED lamp bank irradiating the focus is processed by the CCD camera element and decomposed into RGB wavelengths;
the image processing part screens RGB values of corresponding wavelengths separated by a CCD camera element (16) and finds the most possible distribution form in a plurality of metamerisms;
the image reconstruction part (3) comprises a wavelength acquisition module, a registration module and a spectrum analysis module, the wavelength acquisition module decomposes the independent wavelength obtained in the image processing part (2) into a plurality of independent single spectral bands, the registration module registers the position of the image acquired by the CCD camera element (16) through edge extraction, feature extraction and geometric transformation, a foundation is laid for spectrum analysis and color calculation, and the spectrum analysis module obtains the spectral reflectivity and color parameters of any point in the image through a spline interpolation algorithm, so that the reconstructed image of the focus is obtained;
the image display part (4) comprises an image processing module and a color imaging module, the display module displays the reconstructed image through a display screen, the detection result read by a color sensor in the color imaging module is transferred to a computer, and then the computer determines whether the color reproducibility of the color tone of the output color block is proper or not.
2. The electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral colorimetry according to claim 1, which is characterized in that: the LED lamp group of the image acquisition part (1) is composed of a plurality of LED lamps including at least one white light LED.
3. The electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral colorimetry according to claim 2, which is characterized in that: the LED lamp also comprises a first LED (11), a second LED (12), a third LED (13) and a fourth LED (14).
4. The electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent spectral colorimetry according to claim 1, which is characterized in that: the image acquisition part comprises a spectrum estimation chip which finishes screening RGB values by applying an image-by-material segmentation algorithm according to a statistical optical theory.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010174690.8A CN111281327A (en) | 2020-03-13 | 2020-03-13 | Electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting color comparison |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010174690.8A CN111281327A (en) | 2020-03-13 | 2020-03-13 | Electronic endoscope for rectal-anal canal mucous membrane lesion tissue examination based on LED intelligent light-splitting color comparison |
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| CN111281327A true CN111281327A (en) | 2020-06-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540804A (en) * | 2010-10-28 | 2012-07-04 | 佳能株式会社 | Spectral colorimetric apparatus and image forming apparatus including the same |
| CN106725275A (en) * | 2017-01-13 | 2017-05-31 | 上海市第五人民医院 | A kind of device for checking rectum anal tube mucous membrane lesion tissue |
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- 2020-03-13 CN CN202010174690.8A patent/CN111281327A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540804A (en) * | 2010-10-28 | 2012-07-04 | 佳能株式会社 | Spectral colorimetric apparatus and image forming apparatus including the same |
| CN106725275A (en) * | 2017-01-13 | 2017-05-31 | 上海市第五人民医院 | A kind of device for checking rectum anal tube mucous membrane lesion tissue |
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