Corneal endothelial cell counter positioning and photographing method based on iris characteristics

A technology for counting corneal endothelium and cells, which is applied in the fields of instrumentation, calculation, image data processing, etc., and can solve problems such as labeling

Pending Publication Date: 2021-01-08
郑州诚优成电子科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the prior art, there are two difficulties to be solved, difficulty 1: how to mark the points in the drawing, difficulty 2: how to find the problem of the first marked points in different N photos before and after, the present invention A positioning camera method for corneal endothelial cell counter based on iris features

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  • Corneal endothelial cell counter positioning and photographing method based on iris characteristics

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Experimental program
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Embodiment 1

[0027] A corneal endothelial cell counter positioning camera method based on iris features, comprising the following steps:

[0028] S1: Acquire images: observe the dynamic image of the patient's eye window for alignment and focus to achieve the best state, then click the shooting button, and the image acquisition is completed;

[0029] S2: Image processing:

[0030] S201: Perform Gaussian smoothing on the image, perform grayscale processing on the image, and transform the generated grayscale image into a binary image;

[0031] S202: Perform morphological transformation on the binarized image, and fill holes in the binarized result image to obtain a preset photo;

[0032] S203: The preset photo resolution is A*A, that is, square, and the sequential sampling numbers of the pictures are N1, N2, ... and so on;

[0033] S204: Take the photo N1, and take the center point in the photo, label: N11, (the first cell collection point is marked as N111);

[0034] S205: Since blood ves...

Embodiment 2

[0041] A corneal endothelial cell counter positioning camera method based on iris features, comprising the following steps:

[0042] S1: Acquire images: observe the dynamic image of the patient's eye window to align and focus to achieve the best state, then click the shooting button, the image acquisition is completed, and the shooting sequence is to shoot the right eye first and then the left eye;

[0043] S2: Image processing:

[0044] S201: Perform Gaussian smoothing on the image, perform grayscale processing on the image, and transform the generated grayscale image into a binary image by using the OTSU algorithm;

[0045] S202: Perform morphological transformation on the binarized image, the morphological transformation is erosion and expansion, the structural element used is 3×3, and use the flood filling method to fill the connected areas in the binarized result image, and then cut and extend image and get a preset photo;

[0046] S203: The preset photo resolution is A...

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Abstract

The invention relates to the technical field of cell counting and acquisition, in particular to a corneal endothelial cell counter positioning and photographing method based on iris characteristics, which comprises the following steps: S1, acquiring an image: observing a dynamic image of a detected eye window of a patient, aligning and focusing to reach an optimal state, and clicking a photographing button to finish image acquisition; and S2, image processing: S201, performing Gaussian smoothing on the image, performing gray processing on the image, and converting the generated gray image intoa binary image. According to the invention, gray scale change, de-noising, binarization change and morphological change are carried out on the cell image, subjective factors in cell morphological observation are reduced, point locations are conveniently marked in the pattern, a color sensor is added to conveniently carry out vertical comparison on the sampled image, a first marked point locationis conveniently found in N different front and back photos, and therefore, cell sampling can be carried out on the overlapped position.

Description

technical field [0001] The invention relates to the technical field of cell counting and collection, in particular to a method for positioning and photographing a corneal endothelial cell counter based on iris characteristics. Background technique [0002] The human eye structure is composed of sclera, iris, pupil, lens, retina and other parts. The iris is the ring-shaped part between the black pupil and the white sclera, which contains many detailed features of interlaced spots, filaments, crowns, stripes, crypts, etc. And once the iris forms during fetal development, it remains constant throughout life. These features determine the uniqueness of iris features, and also determine the uniqueness of identification. [0003] In the iris recognition technology, it is necessary to collect and locate the corneal endothelial cell technology. In the implementation process of the existing technology, there are two difficulties to be solved. Find the point marked in the first phot...

Claims

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Application Information

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IPC IPC(8): G06T7/80G06T7/00G06T7/13G06T5/00G06T5/30
CPCG06T7/80G06T7/0012G06T7/13G06T5/30G06T2207/10004G06T2207/30041G06T2207/30101G06T5/70Y02A10/40
Inventor 宋宗明葛文超黄子旭王冬冬庆惠玲吕天斌石梦海覃建王丽娅
Owner 郑州诚优成电子科技有限公司
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