Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for obtaining grayscale threshold, computer device and computer readable medium

A technology of gray threshold value and acquisition method, which is applied in the field of gray threshold value acquisition, computer equipment and computer readable media, can solve problems such as inaccurate positioning and inability to adjust, so as to reduce missed repair rate, improve accuracy rate, and improve The effect of yield

Active Publication Date: 2021-03-02
BOE TECH GRP CO LTD +1
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, the gray threshold for image binarization is an artificially set value, which cannot be adjusted according to the actual situation of the image, thus making the defect location inaccurate

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for obtaining grayscale threshold, computer device and computer readable medium
  • Method for obtaining grayscale threshold, computer device and computer readable medium
  • Method for obtaining grayscale threshold, computer device and computer readable medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] A binary image refers to an image with only two values ​​of black and white in the image, and there is no other gray level change.

[0027] Image binarization refers to the segmentation of the image based on the grayscale threshold, which uses the difference in grayscale characteristics between the target object to be extracted from the image and its background, and treats the image as two types of regions with different grayscale values ​​( Target and b...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The embodiment of the invention provides a gray threshold acquisition method, computer equipment and a computer readable medium, relates to the technical field of display, and can improve the defect positioning accuracy, and the gray threshold acquisition method comprises the following steps: carrying out down-sampling on a gray value range of 0-M to obtain N gray values; M=2k-, wherein k is a positive integer, and N is smaller than M; obtaining an inter-class variance maximum value according to the N gray values; and taking the gray value corresponding to the maximum value of the between-class variance as a gray threshold.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a method for acquiring a gray threshold, computer equipment and a computer-readable medium. Background technique [0002] At present, in the display panel industry, during the use of Repair (micro-defect repairing machine), it is necessary to locate the defect and then carry out the repair action. When locating the defect, it is necessary to first place different processes and different products on the camera of Repair. The image presented below is binarized. [0003] However, in the prior art, the gray threshold for binarizing an image is an artificially set fixed value, which cannot be adjusted according to the actual situation of the image, thus making defect location inaccurate. Contents of the invention [0004] Embodiments of the present invention provide a gray threshold acquisition method, computer equipment, and a computer-readable medium, which can improve t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/136G06T7/11
CPCG06T7/11G06T7/136
Inventor 刘洋梁会莹王建宏杜皓月姜楚锋问武鹏
Owner BOE TECH GRP CO LTD