CN-116559081-B - Filter plate determining method, color sensing device and detection system

CN116559081BCN 116559081 BCN116559081 BCN 116559081BCN-116559081-B

Abstract

The invention relates to a filter plate determining method, a color sensing device and a detection system, wherein the method comprises the steps of selecting the minimum number of filter plates from detection results corresponding to filter plate assemblies with different numbers of filter plates from detection results corresponding to the first preset detection results, taking the minimum number as the filter plate number of the filter plate assemblies, wherein the filter plate assemblies are used for encoding incident light to be imaging information, selecting the combination mode of the filter plate combinations corresponding to the second preset detection results in the detection results from detection results corresponding to the same filter plate number of different filter plate combinations, and taking the combination mode of the filter plates in the filter plate assemblies as the combination mode of the filter plates, wherein each filter plate combination comprises the minimum number of filter plates, the types and/or arrangement modes of the filter plates in each filter plate combination are different.

Inventors

BAO JIE
HUAI BINGXIN
Request for anonymity
LIU XIAOHU

Assignees

清华大学
芯视界（北京）科技有限公司

Dates

Publication Date: 20260505
Application Date: 20230516

Claims (14)

1. A method of determining a filter of a color sensing device, the method comprising: Selecting the minimum number of filter plates from detection results corresponding to filter plate assemblies with different numbers of filter plates from detection results corresponding to the first preset detection results, wherein the minimum number is used as the number of filter plates of the filter plate assemblies, the filter plate assemblies are used for encoding incident light into imaging information, the imaging information comprises light intensity values of the incident light, the filter plate assemblies comprise a plurality of different types of filter plates, and the different filter plates can encode the incident light to obtain imaging information; selecting a combination mode of filter plate combinations corresponding to a second preset detection result from detection results corresponding to different filter plate combinations with the same number of filter plates as the combination mode of the filter plates in the filter plate assembly, wherein each filter plate combination comprises the minimum number of filter plates, and the types and/or arrangement modes of the filter plates in each filter plate combination are different; Detecting the imaging information to obtain a rectangular gray image array, wherein the rectangular gray image array comprises a plurality of rectangular areas, each filter corresponds to one rectangular area, the plurality of rectangular areas correspond to a plurality of gray values, and each rectangular area comprises a plurality of pixels; The first preset detection result and the second preset detection result are both related to the accuracy of color sensing.
2. The method according to claim 1, wherein the method further comprises: and inputting the imaging information into a detection model, and obtaining the detection result by using the output result of the detection model, wherein the detection model has a mapping relation between the imaging information and the detection result.
3. The method according to claim 1 or 2, wherein the detection result comprises a component of the object to be detected or a component of the object to be detected and a content of each component, and the detection model is obtained based on at least one of a least squares method, a neural network, a support vector machine, naive bayes classification, a decision tree, a k-nearest neighbor algorithm, linear discriminant analysis, linear regression, logistic regression, classification and regression trees, learning vector quantization, a bagging method, and random forests.
4. A method according to claim 1 or 2, characterized in that, The types of the filter plates comprise at least one type of super-surface filter plate type, photonic crystal filter plate type, perovskite quantum dot filter plate type and colloid quantum dot filter plate type, and each filter plate type comprises a plurality of different types.
5. The method of claim 1, wherein in the filter combination, the filter is a colloidal quantum dot filter, each colloidal quantum dot filter has a different spectral transmission relationship, the filter encodes incident light together based on the spectral transmission relationship and a spectral sensitivity relationship of a detection component corresponding to each filter, so as to obtain imaging information of the incident light, and the spectral sensitivity relationship represents a relationship between light responsivity and light wavelength.
6. The method according to claim 1, characterized in that the method comprises: Selecting a plurality of different numbers of filters from N filters to form a plurality of filter assemblies, wherein each filter in the N filters has different spectral transmission relations, the N filters can encode colors in a target wavelength range, and N is a positive integer; Providing a plurality of filter assemblies having different combinations of filters includes determining the minimum number of combinations of consecutive or skipped distributions from the N filters a plurality of times.
7. A color sensing device, the device comprising: The filter assembly obtained by the filter determining method of the color sensing device according to any one of claims 1 to 6, wherein the filter assembly is used for encoding incident light into imaging information, the imaging information comprises a light intensity value of the incident light, the filter assembly comprises a plurality of different types of filter plates, and the different filter plates can encode the incident light to obtain the imaging information.
8. The apparatus of claim 7, wherein the apparatus further comprises: The detection component is used for detecting the imaging information, the imaging information is used for being input into a detection model, so that a detection result is obtained by using the output result of the detection model, and the detection model has a mapping relation between the imaging information and the detection result.
9. The apparatus of claim 8, wherein the detection assembly comprises at least one of a complementary metal oxide semiconductor element, a charge coupled element, an ultraviolet detection element, an indium gallium arsenic near infrared detection element.
10. A detection system, the detection system comprising: The color sensing device according to any one of claims 7 to 9; The light source is used for emitting detection light; the color reaction component is used for obtaining one or more of transmitted light, reflected light or fluorescence according to the irradiation of the detection light, and making the light obtained after the irradiation incident on the filter component; And the data processing component is used for obtaining a detection result according to the detection image or imaging information generated by the color sensing device.
11. The system of claim 10, wherein the data processing component is further configured to: Acquiring a first detection image and a second detection image which are output by the color sensing device, wherein the first detection image is a detection image output by the color sensing device when the color reaction component is not added with an object to be detected, and the second detection image is a detection image output by the color sensing device when the color reaction component is added with the object to be detected; Subtracting the intensities of the corresponding pixels of the second detection image and the first detection image to obtain a third detection image; And inputting the third detection image into a detection model, and obtaining the detection result of the components of the object to be detected or the components of the object to be detected and the content of each component by using the output result of the detection model, wherein the detection model has the mapping relation between the detection image or the imaging information and the detection result.
12. The system of claim 10, wherein the color reaction component comprises a reflective component, a transmissive component, and a fluorescent component, wherein the incident light is any one of reflected light generated by the reflective component according to the probe light, transmitted light generated by the probe light penetrating the transmissive component, and fluorescent light generated by the fluorescent component irradiated by the incident light.
13. The system of claim 10, wherein the filter assembly in the color sensing device is capable of encoding 380nm-750nm incident light.
14. A urine detection system comprising a colour sensing device according to any one of claims 7 to 9 or a detection system according to any one of claims 10 to 13.

Description

Filter plate determining method, color sensing device and detection system Technical Field The disclosure relates to the technical field of detection, and in particular relates to a filter determining method, a color sensing device and a detection system. Background Color sensing is a method for determining the composition and content of an object to be measured according to color change caused by physical and chemical reactions, and has wide application in the fields of medicine, environmental monitoring and the like. The existing color sensing scheme has the problems of large volume, low precision, complex structure, high cost and the like. Disclosure of Invention According to an aspect of the present disclosure, there is provided a filter determining method of a color sensing device, the method including: Selecting the minimum number of filter plates from detection results corresponding to filter plate assemblies with different numbers of filter plates from detection results corresponding to the first preset detection results, wherein the minimum number is used as the number of filter plates of the filter plate assemblies, the filter plate assemblies are used for encoding incident light into imaging information, the imaging information comprises light intensity values of the incident light, the filter plate assemblies comprise a plurality of different types of filter plates, and the different filter plates can encode the incident light to obtain imaging information; And selecting a combination mode of filter plate combinations corresponding to a second preset detection result from detection results corresponding to different filter plate combinations with the same number of filter plates as the combination mode of the filter plates in the filter plate assembly, wherein each filter plate combination comprises the minimum number of filter plates, and the types and/or arrangement modes of the filter plates in each filter plate combination are different. In one possible embodiment, the method further comprises: and inputting the imaging information into a detection model, and obtaining the detection result by using the output result of the detection model, wherein the detection model has a mapping relation between the imaging information and the detection result. In one possible embodiment, the method further comprises: and detecting the imaging information to obtain a rectangular gray scale image array. In one possible implementation manner, the detection result includes components of the object to be detected or components of the object to be detected and contents of the components, and the detection model is obtained based on at least one of a least square method, a neural network, a support vector machine, naive bayes classification, a decision tree, a k-nearest neighbor algorithm, linear discriminant analysis, linear regression, logistic regression, classification and regression trees, learning vector quantization, a bagging method and random forest. In one possible implementation manner, the rectangular gray image array includes a plurality of rectangular areas, each filter corresponds to one rectangular area, the plurality of rectangular areas corresponds to a plurality of gray values, and each rectangular area includes a plurality of pixels; the types of the filter plates comprise at least one type of super-surface filter plate type, photonic crystal filter plate type, perovskite quantum dot filter plate type and colloid quantum dot filter plate type, and each filter plate type comprises a plurality of different types. In a possible implementation manner, in the filter combination, the filters are colloid quantum dot filters, each colloid quantum dot filter has a different spectral transmission relationship, the filters encode incident light together based on the spectral transmission relationship and a spectral sensitivity relationship of a detection component corresponding to each filter, so as to obtain imaging information of the incident light, and the spectral sensitivity relationship represents a relationship between light responsivity and light wavelength. In one possible embodiment, the method comprises: Selecting a plurality of different numbers of filters from N filters to form a plurality of filter assemblies, wherein each filter in the N filters has different spectral transmission relations, the N filters can encode colors in a target wavelength range, and N is a positive integer; Providing a plurality of filter assemblies having different combinations of filters includes determining the minimum number of combinations of consecutive or skipped distributions from the N filters a plurality of times. According to an aspect of the present disclosure, there is provided a color sensing device, the device comprising: the filter assembly obtained by the filter determining method of the color sensing device is used for encoding incident light into imaging information, the imaging information compr