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Image color editing method and device

A technology of editing and image, applied in the field of image processing, can solve the problem of unsatisfactory image color editing results, achieve high-quality and fast image color editing, ensure accuracy, and reduce demand effects

Active Publication Date: 2020-03-17
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Application Information

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Problems solved by technology

Since all training samples need to be accurately segmented, and the obtained color editing results depend on image segmentation, when there is no corresponding segmentation category, the image color editing results will be very unsatisfactory

Method used

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  • Image color editing method and device
  • Image color editing method and device

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Embodiment Construction

[0039] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0040] Such as figure 1 As shown, an embodiment of the present invention provides an image color editing method, including:

[0041] S1. Based on different categories of user interaction information, extract pixels of different categories on the image to be edited to form different categories of subpixel sets, and set each subpixel according to each pixel on the image to be edited and each category of subpixels The spatial distance between determines the distance map of the image to be edited corresponding to the seed pixel set of each category;

[0042] S2, using each of the distance maps as a new channel map of the image to be edited, and combining the RGB three channe...

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Abstract

The invention provides an image color editing method and apparatus. According to the method, on the basis of different types of user interaction information inputted by a user, a distance map corresponding to each type of seed pixel set in a to-be-edited image is determined, and with each distance map as a new channel map of the to-be-edited image, a preset number of multi-channel image sub blocksare determined by combining RGB three-channel maps of the to-be-edited image; on the basis of a trained multi-feature joint network model, a depth feature in each multi-channel image sub block is extracted, and the probability of the type of each pixel in the to-be-edited image is obtained based on the depth feature; and according to the obtained probabilities, the type of each pixel in the to-be-edited image is determined based on a minimized image segmentation energy function, and the color of the to-be-edited image is edited. According to the method provided by the invention, the distanceinformation and color information of the pixels in the-be-edited image are combined effectively to ensure the correctness of the image color editing.

Description

technical field [0001] The present invention relates to the field of image processing, and more specifically, to an image color editing method and device. Background technique [0002] At present, with the popularization of mobile phone camera functions and digital cameras, people often take a large number of images and videos in their lives. And along with the rapid development of the Internet, people will share pictures and videos on the Internet. For this reason, people hope to find convenient and fast image and video processing tools to meet the needs of practical applications, among which image color editing technology has attracted much attention of researchers in recent years. Existing image color editing methods are mainly divided into two categories: image color editing methods based on user interaction and image color editing methods based on instances. Among them, the image color editing method based on user interaction requires the user to have a certain profes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/90G06T7/10G06T11/00
CPCG06T7/10G06T7/90G06T11/001
Inventor 桂彦郭林曾光
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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