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View synthesis method and device

A view synthesis and image technology, applied in the field of computer graphics, can solve problems such as image object deformation and holes

Inactive Publication Date: 2019-08-09
CHONGQING UNIV +1
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  • Claims
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Problems solved by technology

The current hole-filling algorithms, including the hole-filling algorithm based on the combination of motion vector and space-time, cannot solve the problem of holes caused by the deformation and rotation of image objects.

Method used

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  • View synthesis method and device

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Embodiment Construction

[0023] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0024] figure 1 is a flowchart of a view synthesis method provided by an exemplary embodiment. Such as figure 1 As shown, the method includes the following steps.

[0025] In step S11, Delaunay triangulation is performed on the depth image corresponding to the reference image to obtain the triangle of the reference image.

[0026] In step S12, the hollow pixels in the triangle of the reference image are determined.

[0027] In step S13, fill the empty pixels in the triangle of the reference image to generate the target image.

[0028] Through the above technical solution, according to the Delaunay triangulation structure, the pixel information is searche...

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Abstract

The invention discloses a view synthesis method and device. The method comprises that Delaunay triangle dissection is carried out on a depth image corresponding to a reference image to obtain a reference image triangle; a cavity pixel point in the reference image triangle is determined; and the cavity pixel point in the reference image triangle is filled to generate a target image. According to the technical scheme, pixel information is searched in the reference image corresponding to the target image to fill a cavity by utilizing a Delaunay triangle dissection image. In DIBR view synthesis, problems that image deformation and rotation cause cavities can be solved, and view synthesis becomes more accurate.

Description

technical field [0001] The present disclosure relates to the field of computer graphics, and in particular, to a view synthesis method and device. Background technique [0002] The depth-image-based rendering (DIBR) technology generates a new view, that is, the target image, based on the reference image (Reference Image) and its corresponding depth image (Depth Image). [0003] Currently, the DIBR-based view synthesis algorithm generally adopts the following processes: Pre-Processing of Depth Image, 3D Image Warping, and Hole Filling. [0004] Due to the discontinuity of the depth value of the depth image, etc., a large hole will be generated in the new view. The current hole-filling algorithms, including the hole-filling algorithm based on the combination of motion vector and space-time, cannot solve the problem of holes caused by the deformation and rotation of image objects. Contents of the invention [0005] The purpose of the present disclosure is to provide a view ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T11/40G06T3/60
CPCG06T3/60G06T11/40
Inventor 刘然贾瑞双邓泽坤徐苗
Owner CHONGQING UNIV
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