Invention Grant
- Patent Title: Video compression under multiple distortion constraints
- Patent Title (中): 多重失真约束下的视频压缩
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Application No.: US12999419Application Date: 2009-06-18
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Publication No.: US08594178B2Publication Date: 2013-11-26
- Inventor: Zhen Li , Alexandros Tourapis
- Applicant: Zhen Li , Alexandros Tourapis
- Applicant Address: US CA San Francisco
- Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee Address: US CA San Francisco
- Agency: Fish & Richardson P.C.
- International Application: PCT/US2009/047755 WO 20090618
- International Announcement: WO2009/155398 WO 20091223
- Main IPC: H04N7/26
- IPC: H04N7/26 ; H04N7/50

Abstract:
Video compression is performed under multiple distortion constraints. Video coding includes determining a first set of Lagrangian cost values for multiple coding modes using a first distortion metric, determining a second set of Lagrangian cost values for the multiple coding modes using a second distortion metric, and selecting one of the coding modes based on the first set of Lagrangian cost values and the second set of Lagrangian cost values to encode a pixel block using the selected coding mode. The distortion metrics can include information associated with video display characteristics such as screen display size, video processing performance, a distortion characteristic, a temporal characteristic, or a spatial characteristic. The distortion metrics can also include characteristics of multiple video displays, such as parameters for usage, importance, design, and the technology type of the video displays.
Public/Granted literature
- US20110103473A1 Video Compression Under Multiple Distortion Constraints Public/Granted day:2011-05-05
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