讯框之编码装置和解码装置;METHOD AND DEVICE FOR ENCODING A HIGH-DYNAMIC RANGE FRAME AND/OR DECODING A BITSTREAM

摘要

本案一般系关于讯框之编码方法和装置，包括处理器，构成供：把从待编码之讯框所确定(11)背光讯框加以编码(12)；藉讯框之各分量除以背光讯框之解码版本，获得(13)剩余讯框之至少一分量；把剩余讯框编码(19)；此方法之特征为，处理器又构成，为了以至少一2D形状函数集合之加权线性组合表示背光讯框，各集合之2D形状函数形成利用支集联合所界定领域之单一性分割。;本案又关系到位元流之解码方法和装置，表示藉讯框除以背光讯框所算出之剩余讯框。; - obtaining (13) at least one component of a residual frame by dividing each component of the frame by a decoded version of the backlight frame; - encoding (19) the residual frame; the method is characterized in that the processor is further configured in order that the backlight frame is represented by a weighted linear combination of at least one set of 2D shape functions, the 2D shape functions of each set forming a partition of unity of a domain defined by the union of their supports. ;The disclosure relates also to a method and device for decoding a bitstream representing a residual frame calculated by dividing a frame by a backlight frame.