发明授权
US09420290B2 Method and apparatus for decoding and encoding video, and method and apparatus for predicting direct current coefficient
有权
用于视频解码和编码的方法和装置,以及用于预测直流系数的方法和装置
- 专利标题: Method and apparatus for decoding and encoding video, and method and apparatus for predicting direct current coefficient
- 专利标题(中): 用于视频解码和编码的方法和装置,以及用于预测直流系数的方法和装置
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申请号: US13439052申请日: 2012-04-04
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公开(公告)号: US09420290B2公开(公告)日: 2016-08-16
- 发明人: Dong Wang , Mingyuan Yang , Jin Song , Haoping Yu
- 申请人: Dong Wang , Mingyuan Yang , Jin Song , Haoping Yu
- 申请人地址: CN Shenzhen
- 专利权人: Huawei Technologies Co., Ltd.
- 当前专利权人: Huawei Technologies Co., Ltd.
- 当前专利权人地址: CN Shenzhen
- 优先权: CN200910216974 20091231
- 主分类号: H04N7/12
- IPC分类号: H04N7/12 ; H04N7/26 ; H04B1/66 ; G06K9/36 ; H04N19/105 ; H04N19/159 ; H04N19/176 ; H04N19/46 ; H04N19/593 ; H04N19/11 ; H04N19/18
摘要:
Embodiments of the present invention provide a method and an apparatus for decoding and encoding a video, and a method and an apparatus for predicting a direct current coefficient. The video decoding method includes: receiving current frame image information sent by an encoding end, where the current frame image information includes prediction value information, and the prediction value information includes at least one intra-frame direct current DC prediction value; selecting a prediction value from the at least one intra-frame DC prediction value in the prediction value information as an intra-frame DC prediction value of the current image. Through the embodiments of the present invention, flexibility of encoding and decoding a video can be improved.
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