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Image style brush realization method and device

An implementation method and style technology, which are applied in the field of implementation methods and devices of image style brushes, and can solve problems such as style conversion that cannot be generalized.

Inactive Publication Date: 2017-12-12
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a method and device for realizing an image style brush to solve the problem that the prior art can only convert some specific style elements or some hand-designed styles of the image, but cannot perform general style conversion question

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  • Image style brush realization method and device
  • Image style brush realization method and device

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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] The image style brush implemented in the embodiment of the present invention aims to directly and completely convert various visual effects contained in the reference image to the current input image to be processed to obtain the result image, that is, the operation process is the same as using an office format brush , so it is called the image style brush.

[0027] figure 1 It is a flow chart of the implementation method of the image style brush provi...

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Abstract

Embodiments of the invention provide an image style brush realization method and device. The method comprises the following steps of: obtaining matched corresponding points of an input image and a reference image according to density correspondence between the input image and the reference image; determining a first superpixel set of the input image and a second superpixel set of the reference image according to the matched corresponding points, and further determining a superpixel bipartite graph; carrying out bipartite graph matching on the superpixel bipartite graph so as to determine mutually matched superpixel pairs in the first superpixel set of the input image and the second superpixel set of the reference image; and carrying out color conversion on superpixels of the input image according to a first color space and the superpixel pairs so as to obtain a result image. According to the method and device, style conversion is carried out on the input image according to multiple style elements of the reference image so as to obtain the result image, so the multiple style elements in the reference image are directly and completely converted onto the input image, the visual effect related to the color, greyscale and contrast ratio of the input image is changed, and then the result image further has the style of the reference image.

Description

technical field [0001] Embodiments of the present invention relate to the field of image enhancement and beautification, and in particular, to a method and device for realizing an image style brush. Background technique [0002] With the development of multimedia social networks, the demand for sharing images on social platforms and performing style conversion and beautifying photos is becoming stronger and stronger. Image stylization has become a research hotspot of experts in the field of image enhancement and beautification. [0003] The method of Reinhard et al. extracts representative colors from the input image and the reference image and establishes the mapping between colors. The method of Pouli et al. directly adjusts the distribution of colors through histogram feature fitting. The method of Hertzmann et al. renders the input image as a watercolor style, the method of Wang et al. renders the input image as a sketch stylization, and the method of Curtis et al. rend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/40
CPCG06T11/40
Inventor 刘家瑛夏思烽杨文瀚郭宗明
Owner PEKING UNIV
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