Invention Grant
US08879627B2 Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, moving image encoding program, moving image decoding program, and moving image encoding/ decoding system
有权
运动图像编码装置，运动图像解码装置，运动图像编码方法，运动图像解码方法，运动图像编码程序，运动图像解码程序，运动图像编码/解码系统
- Patent Title: Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, moving image encoding program, moving image decoding program, and moving image encoding/ decoding system
- Patent Title (中): 运动图像编码装置，运动图像解码装置，运动图像编码方法，运动图像解码方法，运动图像编码程序，运动图像解码程序，运动图像编码/解码系统
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Application No.: US13077287Application Date: 2011-03-31
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Publication No.: US08879627B2Publication Date: 2014-11-04
- Inventor: Yoshinori Suzuki , Choong Seng Boon , Thiow Keng Tan
- Applicant: Yoshinori Suzuki , Choong Seng Boon , Thiow Keng Tan
- Applicant Address: JP Tokyo
- Assignee: NTT DoCoMo, Inc.
- Current Assignee: NTT DoCoMo, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Brinks Gilson & Lione
- Priority: JP2008-256601 20081001
- Main IPC: H04B1/66
- IPC: H04B1/66 ; H04N19/184 ; H04N19/136 ; H04N7/12
Abstract:
In order to improve the encoding efficiency while avoiding an increase in the size or memory band of a frame memory and having adaptability in the encoding/decoding processing of a moving picture, a bit length extension converter converts a target picture having a bit length N into an extended target picture having a bit length M, a compressor encodes the converted picture, and an expander restores the encoded picture. Then, a bit length reduction converter converts the picture into a reproduction picture having a bit length L smaller than the bit length M, and this reproduction picture is stored in a frame memory as a reference picture.
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