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Frequency domain sample adaptive offset (SAO)

一种视频信息、频率范围的技术，应用在数字视频信号修改、电视、脉冲调制电视信号传输等方向，能够解决低复杂度、无法充分等问题

Inactive Publication Date: 2013-08-14
KONINKLIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present technology does not adequately or acceptably provide a means of transmitting video data from a first location to a second location based on providing sufficient or acceptable video and / or image quality to warrant the relatively small amount of traffic associated with the communication. overhead, and the relatively low complexity of the communication equipment at the end of the respective communication link, etc.

Method used

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  • Frequency domain sample adaptive offset (SAO)
  • Frequency domain sample adaptive offset (SAO)
  • Frequency domain sample adaptive offset (SAO)

Examples

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Embodiment Construction

[0078] In many devices using digital media such as digital video, pixels are used to represent respective images that are inherently digitized. In some communication systems, digital media may be transmitted from a first location to a second location where such media may be output or displayed. The purpose of digital communication systems, including those operating to transmit digital video, is to transmit digital data from one location or subsystem to another without error or with an acceptably low bit error rate. Such as figure 1 As shown, data may be transmitted over various communication channels in various communication systems by a variety of means: magnetic media, wired, wireless, fiber optics, copper, and / or other types of media.

[0079] figure 1 and figure 2 Various embodiments of communication systems 100 and 200 are shown, respectively.

[0080] refer to figure 1 , this embodiment of the communication system 100 is a communication channel 199 that communicati...

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Abstract

Frequency domain sample adaptive offset (SAO). Video processing of a first signal operates to generate a second video signal such that at least one characteristic of a first portion of video information of the first video signal is replicated in generating a second portion of video information, such that the first portion of video information and the second portion of video information undergo combination to generate the second video signal. Such use of the first video signal may involve replication and scaling of the first video information to generate the second portion of video information. One possible characteristic of the first portion of video information may correspond to an energy profile as a function of frequency. One or more portions of the first video signal may be employed to generate different respective portions of the second signal. Such video processing operations may be performed on a block by block basis.

Description

[0001] Cross References to Related Applications [0002] This application claims Pending U.S. Provisional Patent Application Serial No. 61 / 597,683, filed February 10, 2012, entitled "Frequency domain sample adaptive offset," Serial No. 61 / 603,190, filed February 24, 2012 Pending U.S. Provisional Patent Application entitled "Frequency domain sample adaptive offset (SAO)" and the priority of U.S. Patent Application Serial No. 13 / 623,765 filed September 20, 2012, the entire contents of which are incorporated herein as refer to. [0003] incorporated by reference [0004] The following standards / draft standards are hereby incorporated by reference in their entirety and form part of this patent application for all purposes: [0005] 1. "High efficiency video coding (HEVC) text specification draft6," Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16WP3 and ISO / IEC JTC1 / SC29 / WG11, 7th Meeting: Geneva, CH, 21–30 November , 2011, Document: JCTVC-H1003, 259 pages. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N7/50
CPCH04N19/00896H04N19/00563H04N19/00909H04N19/48H04N19/82H04N19/86H04N7/24
Inventor 沈八中温伟杰陈培松
Owner KONINKLIJKE PHILIPS NV
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