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A method for converting 2D video to 3D video based on auxiliary enhancement information in video compression code stream

A technology for auxiliary enhancement of information and video compression, applied in digital video signal modification, image communication, electrical components, etc., can solve problems such as unfavorable transmission and storage, double the amount of video data, etc., to save transmission and storage costs and complicate calculations The effect of reducing the degree and improving the conversion quality

Active Publication Date: 2016-08-03
PEKING UNIV SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

This method doubles the amount of video data to be compressed, which is not conducive to transmission and storage

Method used

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  • A method for converting 2D video to 3D video based on auxiliary enhancement information in video compression code stream
  • A method for converting 2D video to 3D video based on auxiliary enhancement information in video compression code stream
  • A method for converting 2D video to 3D video based on auxiliary enhancement information in video compression code stream

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. This embodiment is only an embodiment of the present invention but not all embodiments.

[0021] Perform 2D to 3D processing on a 2D video sequence, store the processing results and distribute them through the Internet, and decode and display the 3D video by the client. A simple depth template is used to describe the depth of each image in the 2D video. The triangular mesh of the depth template used is described as: use one or two of the two diagonal lines in each image of a rectangular 2D video, divide the rectangular image into 2 or 4 triangular areas, and give each The three vertices of a triangle area are assigned a depth value; the remaining pixels are obtained by linear interpolation according to the depth values ​​of the three vertices of the triangle area where the pixel is located. figure 1 The several depth templates shown are several typica...

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Abstract

The invention discloses a method of converting a two dimensional (2D) video to a three dimensional (3D) video based on auxiliary enhancement information in a video compressed stream. The method comprises the steps that the auxiliary enhancement information is adopted to describe a depth clue, the auxiliary enhancement information is encoded by an entropy coding and is stored in supplemental enhancement information of a video sequence, a decoded end decodes the 2D video, uses the auxiliary enhancement information and the decoded 2D video to generate a depth picture, and the 3D video is generated according to the depth picture and the decoded 2D video. The method of converting the 2D video to the 3D video based on the auxiliary enhancement information in the video compressed stream can effectively help the decoded end to improve quality of converting the 2D video to the 3D video and be low in transmitting cost and calculating complexity.

Description

technical field [0001] The invention relates to the technical field of converting 2D video to 3D video, in particular to a method for converting 2D video to 3D video by using specific auxiliary enhancement information in a video code stream. technical background [0002] At present, 3D video technology is rapidly entering the market, and more and more monitors, televisions, projectors, etc. of major manufacturers support the playback of 3D video. However, the current 3D video resources are not rich enough, and 3D video shooting and production are difficult and costly. On the other hand, it is also a great pity that a large number of original 2D videos cannot be viewed through a 3D display terminal because they do not have depth information. Therefore, the technology of converting 2D video into 3D video has become a hot spot. [0003] The technology of converting 2D video to 3D video is to generate a depth map of each frame according to the 2D video, and generate a 2D frame...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N13/00H04N19/46
Inventor 王荣刚王振宇王亦洲张哲斌董胜富高文
Owner PEKING UNIV SHENZHEN GRADUATE SCHOOL
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