Invention Grant
- Patent Title: Optimized video compression using hashing function
- Patent Title (中): 使用散列函数优化视频压缩
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Application No.: US11286513Application Date: 2005-11-22
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Publication No.: US07986844B2Publication Date: 2011-07-26
- Inventor: Nimrod Diamant , Gershon Bar-On
- Applicant: Nimrod Diamant , Gershon Bar-On
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Christopher K. Gagne
- Main IPC: G06K9/36
- IPC: G06K9/36 ; G06K9/68 ; G06K9/00

Abstract:
A video redirection system redirects an incoming video stream to a remote console. The video redirection system samples the video stream to generate a currently sampled frame comprising a plurality of tiles, and calculates a current hash value for each of the tiles. The video redirection system compresses the tile if the current hash value is different from a reference hash value locally stored inside the video redirection system. A difference in the hash value indicates that there is a change in the tile of the currently sampled frame from the corresponding tile of the previously sampled frame. Thus, it is no longer necessary to compare the currently sampled frame with a reference frame in the memory. Accordingly, the amount of memory access is reduced.
Public/Granted literature
- US20070116110A1 Optimized video compression using hashing function Public/Granted day:2007-05-24
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