A Method of Optic Disc Segmentation Based on Focal Color Retinal Fundus Image

A fundus image and retina technology, applied in image analysis, ophthalmoscopy, image enhancement, etc., can solve problems such as poor robustness, and achieve the effect of accurate segmentation

Active Publication Date: 2021-10-01
UNIV OF SHANGHAI FOR SCI & TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for optic disc segmentation based on color retinal fundus images of lesions, to solve the problem of poor robustness of segmentation in the prior art, and to effectively avoid the interference of lesions, blood vessel occlusion, brightness changes, etc., so as to achieve Precise Segmentation of the Optic Disc

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  • A Method of Optic Disc Segmentation Based on Focal Color Retinal Fundus Image
  • A Method of Optic Disc Segmentation Based on Focal Color Retinal Fundus Image
  • A Method of Optic Disc Segmentation Based on Focal Color Retinal Fundus Image

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Embodiment Construction

[0041] The optic disc segmentation method based on the color retinal fundus image of the focus of the present invention will be described in more detail below in conjunction with the schematic diagram, wherein a preferred embodiment of the present invention is shown, it should be understood that those skilled in the art can modify the present invention described here, and still The advantageous effects of the present invention are realized. Therefore, the following description should be understood as the broad knowledge of those skilled in the art, but not as a limitation of the present invention.

[0042] figure 1 It is part of the images in the Kaggle dataset. These images all have lesions. Many images contain large bright white lesions, and the uneven illumination in the images is also very serious.

[0043] like image 3 shown, based on figure 1 The third picture in the first row of the middle table describes the specific content of the technical solution of the present...

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Abstract

The present invention proposes a method for segmenting the optic disc based on the color retinal fundus image of the lesion, comprising the following steps: establishing a blood vessel detection model and an optic disc detection model, detecting and obtaining the blood vessel probability map and the optic disc probability map by the blood vessel detection model and the optic disc detection model respectively; The blood vessel probability map obtains the main blood vessel fitting line diagram, obtains the probability bubble map of the main blood vessel fitting line diagram, selects the optic disc area from the optic disc connected area, and estimates the center and radius of the optic disc. The invention can effectively avoid the interference of lesions, blood vessel occlusion, brightness change and the like in the image, thereby realizing precise segmentation of the optic disc.

Description

technical field [0001] The invention belongs to the technical field of detection and segmentation of retinal fundus images, and in particular relates to an optic disc segmentation method based on color retinal fundus images of lesions. Background technique [0002] The automatic analysis of color retinal fundus images has been widely used in the auxiliary diagnosis of various ophthalmology-related systemic diseases such as diabetes, hypertension, kidney disease and neurological diseases. In a normal color fundus image, the macula, fovea, optic disc and vascular network are the four main features that can be observed in the fundus. The optic disc is in the shape of a light yellow or white disc, accounting for about 1% of the area of ​​interest in the entire fundus image. / 5 to 1 / 8, the blood vessels of the fundus diverge from the optic disc area and distribute in the whole fundus in a tree shape. The segmentation of the optic disc plays an extremely important role in the aut...

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): G06T7/00G06T7/11G06T7/136G06T7/62A61B3/12A61B3/14
CPCA61B3/12A61B3/14G06T7/0012G06T2207/20061G06T2207/20081G06T2207/30041
Inventor傅迎华李江
OwnerUNIV OF SHANGHAI FOR SCI & TECH