Endoscope resolution identification method

A recognition method and resolution technology, applied in image analysis, image data processing, instruments, etc., can solve problems such as endoscope quality inspection difficulties, social hazards, and fake products

Pending Publication Date: 2020-08-25
XIAN TECHNOLOGICAL UNIV
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Problems solved by technology

[0003] Despite the continuous development of technology in recent years, some standards for the quality inspection of medical endoscopes have not yet been unified,...

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Embodiment Construction

[0094] The following provides a clear and complete description of the technical solutions of the embodiments of the present invention with reference to the accompanying drawings in the present invention. Obviously, the described embodiments are a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0095] Reference figure 1 , The present invention provides an endoscope resolution recognition method, including the following steps:

[0096] S1: Position the center of the field of view to ensure that the center of the resolution plate coincides with the axis of the endoscope;

[0097] S2: image preprocessing of resolution plate;

[0098] S3: Perform threshold image segmentation on the image after image preprocessing;

[0099] S4: Binarize a single diamond patter...

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Abstract

The invention discloses an endoscope resolution recognition method, relates to the technical field of endoscope equipment, and provides an endoscope resolution image segmentation algorithm based on priori knowledge in order to avoid excessive segmentation or wrong segmentation under the condition that all levels of rhombus patterns in a resolution image are different in definition. According to the method, prior knowledge in a resolution plate standard is utilized, an original grey-scale map is subjected to corrosion operation firstly, connectivity between rhombic patterns is eliminated, and then cyclic binarization and contour detection operation is performed on a processed image; when the number of contours meeting the condition reaches a set prior value, an image with a good binarization effect is obtained, and meanwhile, region-of-interest extraction is carried out to obtain an independent rhombus pattern image. According to the algorithm, in the resolution image of the endoscope,relatively accurate extraction of the rhombus pattern is realized, and the accuracy of a detection result is improved.

Description

Technical field [0001] The present invention relates to the technical field of endoscope equipment, in particular to an endoscope resolution recognition method. Background technique [0002] The medical hard tube endoscope is a medical optical observation instrument, which can be inserted into the human body for direct observation, diagnosis and treatment. It is introduced into the human body through the natural cavity or surgical incision of the human body, and can inspect the oral cavity, nasal cavity, esophagus, trachea, internal organs, joints and other human body tissues, and combine other surgical tools to perform surgical treatment on these tissues. It has clinical medicine. important meaning. With the development of minimally invasive technology, medical endoscopes can be combined with minimally invasive surgery to minimize the damage to the patient's body. The medical endoscope can be said to be the doctor's eyes in the patient's body, and it is an indispensable medica...

Claims

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Application Information

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IPC IPC(8): G06T7/136G06T7/12G06T7/13G06T5/30
CPCG06T7/136G06T7/12G06T7/13G06T5/30G06T2207/10068
Inventor 刘柏林李藕汤烨韬王浩同孙堂慧谷虹娴徐冬阳王鹏瑞
Owner XIAN TECHNOLOGICAL UNIV
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