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Methods and systems of coding a predictive random access picture using a background picture

A background picture, random access technology, applied in the direction of image communication, digital video signal modification, electrical components, etc., can solve problems such as burden

Inactive Publication Date: 2018-06-08
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the large amount of video data required to meet these demands places a burden on the communication networks and devices that process and store the video data

Method used

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  • Methods and systems of coding a predictive random access picture using a background picture
  • Methods and systems of coding a predictive random access picture using a background picture
  • Methods and systems of coding a predictive random access picture using a background picture

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Embodiment Construction

[0055] Certain aspects and embodiments of the invention are provided below. As will be apparent to those skilled in the art, some of these aspects and embodiments may be applied independently and some of them may be applied in combination. In the following description, for purposes of explanation, specific details are set forth in order to provide a thorough understanding of embodiments of the invention. It will be apparent, however, that various embodiments may be practiced without these specific details. The drawings and descriptions are not intended to be limiting.

[0056] The following description provides exemplary embodiments only, and is not intended to limit the scope, applicability or configuration of the invention. Rather, the following description of the exemplary embodiments will provide those skilled in the art with an enabling description for implementing the exemplary embodiments. It being understood that various changes may be made in the function and arran...

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Abstract

Techniques and systems are provided for encoding video data. For example, a method of encoding video data includes obtaining a background picture that is generated based on a plurality of pictures captured by an image sensor. The background picture is generated to include background portions identified in each of the captured pictures. The method further includes encoding, into a video bitstream,a group of pictures captured by the image sensor. The group of pictures includes at least one random access picture. Encoding the group of pictures includes encoding at least a portion of the at leastone random access picture using inter-prediction based on the background picture.

Description

technical field [0001] This disclosure relates generally to random access for video content, and more particularly to techniques and systems for coding predictive random access pictures based on background pictures. Background technique [0002] Many devices and systems allow processing and output of video data for consumption. For example, an Internet Protocol camera (IP camera) is one type of digital video camera that can be used for surveillance or other applications. Unlike analog closed circuit television (CCTV) cameras, IP cameras can send and receive data via computer networks and the Internet. Digital video data contains large amounts of data to meet the needs of consumers and video providers. For example, consumers of video data expect video to be of the best possible quality with high fidelity, resolution, frame rate, and so on. Accordingly, the large amount of video data required to satisfy these demands places a burden on communication networks and devices tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/105H04N19/176H04N19/70H04N19/46H04N19/162H04N19/58
CPCH04N19/105H04N19/176H04N19/70H04N19/46H04N19/162H04N19/58H04N19/159H04N19/172
Inventor 陈颖杨瑞多毕宁
Owner QUALCOMM INC
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