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A detection method for automatic reagent card classification based on machine vision

A technology of automatic classification and machine vision, which is applied in the direction of instruments, computer parts, character and pattern recognition, etc., can solve problems such as unfavorable effective development and popularization of applications, affecting work efficiency, and inappropriate time for reagent card result interpretation, etc., to improve The effect of recognition accuracy and recognition efficiency

Active Publication Date: 2019-06-21
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0003] In view of the possibility of improper manual operation, the drip volume of the reagent card does not meet the requirements of the reagent card, and the risk of inappropriate interpretation time of the reagent card results, the inspectors may make subjective misjudgments, resulting in the inability to standardize the stool test results. Moreover, the manual detection speed is relatively slow, which affects the work efficiency to a certain extent, and is not conducive to effective development and popularization and application. The present invention provides a detection method for automatic classification of reagent cards based on machine vision, which can regularly calibrate the detection reagent card detection results, greatly improving the detection efficiency

Method used

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  • A detection method for automatic reagent card classification based on machine vision
  • A detection method for automatic reagent card classification based on machine vision
  • A detection method for automatic reagent card classification based on machine vision

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Embodiment Construction

[0047] A detection method for automatic classification of reagent cards based on machine vision, the method comprising:

[0048] Step 1: Use the dripping device to drip a quantitative sample solution for the reagent card, wait for the specified time, and automatically push it to the picture-taking device to take pictures;

[0049] Step 2: Obtain the image of the reagent card through the imaging device, and perform white balance processing on the obtained image of the reagent card, the image is as follows figure 2 shown;

[0050] Step 3: Take the image obtained in step 2 and intercept the small image of the reaction area, the image is as follows image 3 shown;

[0051] Step 4: Perform grayscale processing on the color image obtained in step 3, and perform fast Fourier transform on the resulting image to obtain the processed image, the image is as follows Figure 4 shown;

[0052] The concrete steps of described step 4 are:

[0053] Step 4-1: Calculate the optimal size of ...

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Abstract

The invention discloses a detection method for automatic reagent card classification based on machine vision, and belongs to the field of image recognition. To solve the problem that Improper operation exists in manual operation; the dropping amount of the reagent card does not meet the possibility of requirements of the reagent card; the risk of inappropriate reagent card result interpretation time also exists; inspection personnel may generate subjective misjudgment; the excrement detection result cannot be standardized; and the manual detection speed is slow, which affects the work efficiency to a certain extent, and is not conducive to the effective development and promotion of applications and other shortcomings, the invention provides a detection method for automatic classification of the reagent cards based on machine vision, the detection result of the detection reagent cards can be calibrated in a timed mode, and the detection efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of machine vision, in particular to a detection method for automatic classification of reagent cards based on machine vision. Background technique [0002] Human fecal occult blood test, also known as fecal occult blood test, is an experiment used to detect whether red blood cells, hemoglobin, and transferrin are concealed in feces. The results of this test can be used as an important indicator for judging whether the human digestive tract is bleeding. Examining the early diagnosis of digestive tract malignant tumors provides screening indicators. Therefore, as the most routine testing item in the laboratory department, fecal occult blood testing has a wide range of applications. Due to the extremely high sensitivity of the fecal occult blood detection reagent card, there are strict requirements on the amount of dripping liquid and the interpretation time of the color development result of the card. Manual ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
Inventor 张静申志杰邓鼎文杨浩王祥舟杜晓辉刘娟秀倪光明刘霖刘永
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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