A method of encoding an input video comprising luma component and two chroma components, said method comprising the reconstruction of said input video based on a reconstruction function

摘要

The present principles relate to a method and device for encoding an input video that includes a luma component and two chroma components. The method includes re-forming the input video by applying a piecewise linear function to the luma and chroma components (610), and encoding the re-formed video into a bitstream (620). And (630) encoding parameters that represent the piecewise linear function as side information, the method comprising: reconstructing the input video as a decoded reconstructed video target; And the reconstructed range is further dependent on the range of the reconstructed video after it is applied to the decoded reconstructed video.