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A method and device for encoding and decoding multi-dimensional video data

A technology of video data and data, applied in the field of video processing, can solve the problems of occupying more bandwidth and reducing the definition of video data, etc.

Active Publication Date: 2019-09-03
ALIBABA GRP HLDG LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] If the video data is encoded with a high bit rate to maintain the clarity of the video data, it will occupy more bandwidth. However, if the video data is encoded with a low bit rate to reduce the bandwidth occupation, it will lead to the clarity of the video data. degree of decline

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  • A method and device for encoding and decoding multi-dimensional video data
  • A method and device for encoding and decoding multi-dimensional video data
  • A method and device for encoding and decoding multi-dimensional video data

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Embodiment Construction

[0107] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0108] refer to figure 1 , which shows a flow chart of the steps of an embodiment of a method for encoding multi-dimensional video data of the present application, which may specifically include the following steps:

[0109] Step 101, during the transmission of multi-dimensional video data, detect current network transmission parameters.

[0110] In this embodiment of the present application, multi-dimensional video data may refer to three-dimensional or higher video data.

[0111] The multi-dimensional video data has M frames of original image data at the same time point, that is, the M frames of original image data can be played simultaneously, where M is a positive integer greater than or equal to 2....

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Abstract

The embodiments of the application provide encoding and decoding methods and devices for multidimensional video data. The encoding method includes the following steps: detecting the current network transmission parameters during the transmission of multidimensional video data, wherein the multidimensional video data includes M frames of original image data at the same time point; determining the number of images N according to the network transmission parameters; extracting N frames of original image data from the M frames of original image data according to the number of images N; and encoding the N frames of original image data to obtain N frames of target image data. Through the embodiments of the invention, the number of frames of original image data can be appropriately reduced according to the actual transmission situation, and thus, the occupation of bandwidth is reduced. In addition, as the occupation of bandwidth is reduced, the original image data can be encoded at a high bitrate, there is no need to encode the original image data at a low bit rate because of bandwidth limitation, and the resolution of multidimensional video data is ensured.

Description

technical field [0001] The present application relates to the technical field of video processing, in particular to a multi-dimensional video data encoding method, a multi-dimensional video data decoding method, a multi-dimensional video data encoding device and a multi-dimensional video data decoding device. Background technique [0002] With the popularity of the Internet, video data has become the main carrier of content. [0003] At present, video data is developing from two-dimensional video data to multi-dimensional video data, such as three-dimensional (3D) video data, etc. The transmission of video data occupies most of the bandwidth of network transmission. transmission pressure. [0004] If the video data is encoded with a high bit rate to maintain the clarity of the video data, it will take up more bandwidth. However, if the video data is encoded with a low bit rate to reduce the bandwidth occupation, it will lead to clarity of the video data. degree drops. Co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N13/00H04N19/124H04N19/85H04N19/134
Inventor 张磊杜武平
Owner ALIBABA GRP HLDG LTD
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