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Picture layer separation method and device

A separation method and separation device technology, applied in the field of image processing, can solve the problem that the edge of the image mask area is not smooth enough, and achieve the effect of smooth edge area

Pending Publication Date: 2021-03-09
齐力软件科技(广州)有限公司
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AI Technical Summary

Problems solved by technology

[0003] In the traditional contour matting scheme, when the edge of the contour matting area is not accurately selected, the separated layer is mixed with the unselected area in the original image, and the final cut and separated edge area is not blurred or corroded, resulting in The edge of the image mask area extracted is not smooth enough

Method used

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  • Picture layer separation method and device

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Embodiment Construction

[0018] The present invention mainly provides a method and device for separating image layers. Through more reasonable selection of contour edge areas, the image edge areas are blurred and corroded, so that the separated image layer areas are smoother.

[0019] Wherein, a kind of separation method of picture layer, described method comprises:

[0020] Identify the image to be processed, and store the coordinate points of the marked outline according to the drawn outline area.

[0021] Use Opencv to accurately calculate the contour area to be processed according to the contour coordinate points, and draw a black and white mask layer consistent with the size of the area to be processed.

[0022] The edges of the black and white mask graphics are blurred and corroded to make the edges of the mask layer smoother.

[0023] Use the mask layer and the original image to fuse the edge element points and background element points to obtain the layer after the outline separation.

[002...

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Abstract

According to the picture layer separation method and device, the to-be-extracted graphic area is accurately positioned mainly through Opencv and contour coordinate point calculation, and the edge areais subjected to fuzzy and corrosion processing, so that the edge area of the layer obtained through separation is smoother.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and device for separating image layers. Background technique [0002] Contour matting is one of the most common operations in image processing. It draws a closed area on the picture, separates the closed area on the image, and becomes a separate graphic to prepare for later image synthesis and other processing. At present, the traditional contour matting is basically used in the market, which is realized by using Xfermsde. The implementation process is: draw a rectangular area, and then make an intersection with the original image to convert the result output, so as to realize the rectangular area on the image Separated into separate layers. [0003] In the traditional contour matting scheme, when the edge of the contour matting area is not accurately selected, the separated layer is mixed with the unselected area in the original image, and the final cut and se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T5/00G06T5/30G06T7/13
CPCG06T5/50G06T5/30G06T7/13G06T2207/10004G06T5/70
Inventor 韦金宋
Owner 齐力软件科技(广州)有限公司
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