首页>
外国专利>
Intra-frame and Inter-frame Combined Prediction Method for P Frames or B Frames
Intra-frame and Inter-frame Combined Prediction Method for P Frames or B Frames
展开▼
机译:P帧或B帧的帧内和帧间组合预测方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
An intra-frame and inter-frame combined prediction method for P frames or B frames. The method comprises: self-adaptively selecting by means of a rate-distortion optimization (RDO) decision whether to use the intra-frame and inter-frame combined prediction or not; using a method for weighting an intra prediction block and an inter prediction block in the intra-frame and inter-frame combined prediction to obtain a final prediction block; and obtaining the weighting coefficient of the intra prediction block and the inter prediction block according to prediction distortion statistics of the prediction method. Therefore, prediction precision can be improved, and coding and decoding efficiency of the prediction blocks are improved. The advantages of intra prediction and inter prediction are fully utilized in the present invention; and the optimal prediction parts of the two methods are selected to be combined, so that to a certain extent, areas with excessive distortion can be removed out of the intra prediction block and the inter prediction block, thus obtaining a better prediction effect and achieving excellent practicality and robustness.
展开▼