| 摘要 |
Provided are a method for scalable video encoding compensating for inter-layer prediction errors in between different layer images by means of a sample adaptive offset (SAO), an apparatus therefor, an apparatus for scalable video decoding, and a variety of examples thereof. Provided are a method for scalable video decoding and an apparatus therefor, the method for scalable video decoding comprising: acquiring, from a received enhanced layer stream, inter-layer SAO usage information between a base layer image and an enhanced layer image, and SAO parameters indicating SAO type and offset for an enhanced layer prediction image; determining, from the acquired SAO parameters, the SAO type, for the enhanced layer prediction image, and offset, which classifies the prediction error by category; and, compensating by the offset determined for each category in the current sample, generating an enhanced decoded layer image by means of the enhanced prediction layer image. |
