Method and apparatus for providing reduced resolution update mode for multi-view video coding
There are provided a method and apparatus for illumination and color compensation for multi-view video coding. A video encoder includes an encoder for encoding a picture by enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture. The picture and the other picture have different view points and both corresponding to multi-view content for a same or similar scene.
1. A video encoder, comprising:
an encoder for encoding a picture by selectively enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture, the picture and the other picture having different view points and both corresponding to multi-view content for a same or similar scene.
2. The video encoder of claim 1 , wherein said encoder encodes the picture to provide a resultant bitstream compliant with at least one of the International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group-4 Part 10 Advanced Video Coding standard/International Telecommunication Union, Telecommunication Sector H.264 recommendation and an extension thereto.
3. The video encoder of claim 1 , wherein said encoder uses a high-level syntax to enable the color compensation.
4. The video encoder of claim 1 , wherein said encoder uses a block-level syntax to indicate whether the color compensation is used in the prediction for the picture.
5. The video encoder of claim 4 , wherein said encoder uses context adaptive binary arithmetic coding contexts for coding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
6. The video encoder of claim 1 , wherein said encoder uses a block-level syntax to signal color compensation information.
7. The video encoder of claim 6 , wherein said encoder uses context adaptive binary arithmetic coding contexts for coding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
8. The video encoder of claim 6 , wherein the color compensation information includes a color offset parameter.
9. The video encoder of claim 1 , wherein said encoder uses a slice-level syntax to signal an amount of color compensation applied on chrominance channels of an entire slice corresponding to the picture.
10. A video encoding method, comprising:
encoding a picture by selectively enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture, the picture and the other picture having different view points and both corresponding to multi-view content for a same or similar scene.
11. The method of claim 10 , wherein said encoding step encodes the picture to provide a resultant bitstream compliant with at least one of the International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group-4 Part 10 Advanced Video Coding standard/International Telecommunication Union, Telecommunication Sector H.264 recommendation and an extension thereto.
12. The method of claim 11 , wherein said encoding step uses a high-level syntax to enable the color compensation.
13. The method of claim 11 , wherein said encoding step uses a block-level syntax to indicate whether the color compensation is used in the prediction for the picture.
14. The method of claim 13 , wherein said encoding step uses context adaptive binary arithmetic coding contexts for coding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
15. The method of claim 11 , wherein said encoding step uses a block-level syntax to signal color compensation information.
16. The method of claim 15 , wherein said encoding step uses context adaptive binary arithmetic coding contexts for coding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
17. The method of claim 15 , wherein the color compensation information includes a color offset parameter.
18. The method of claim 11 , wherein said encoding step uses a slice-level syntax to signal an amount of color compensation applied on chrominance channels of an entire slice corresponding to the picture.
19. A video decoder, comprising:
a decoder for decoding a picture by selectively enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture, the picture and the other picture having different view points and both corresponding to multi-view content for a same or similar scene.
20. The video decoder of claim 19 , wherein said decoder decodes the picture from a resultant bitstream compliant with at least one of the International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group-4 Part 10 Advanced Video Coding standard/International Telecommunication Union, Telecommunication Sector H.264 recommendation and an extension thereto.
21. The video decoder of claim 19 , wherein said decoder reads a high-level syntax to enable the color compensation.
22. The video decoder of claim 20 , wherein said decoder reads a block-level syntax to determine whether the color compensation is used in the prediction for the picture.
23. The video decoder of claim 20 , wherein said decoder reads a slice-level syntax to determine an amount of color compensation applied on chrominance channels of an entire slice corresponding to the picture.
24. The video decoder of claim 20 , wherein said decoder uses context adaptive binary arithmetic coding contexts for decoding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
25. The video decoder of claim 20 , wherein said decoder reads a block-level syntax to determine color compensation information.
26. The video decoder of claim 25 , wherein said decoder uses context adaptive binary arithmetic coding contexts for decoding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
27. The video decoder of claim 25 , wherein the color compensation information includes a color offset parameter.
28. A video decoding method, comprising:
decoding a picture by selectively enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture, the picture and the other picture having different view points and both corresponding to multi-view content for a same or similar scene.
29. The method of claim 28 , wherein said decoding step decodes the picture from a resultant bitstream compliant with at least one of the International Organization for Standardization/International Electrotechnical Commission Moving Picture Experts Group-4 Part 10 Advanced Video Coding standard/International Telecommunication Union, Telecommunication Sector H.264 recommendation and an extension thereto.
30. The method of claim 28 , wherein said decoding step reads a high-level syntax to enable the color compensation.
31. The method of claim 28 , wherein said decoding step reads a block-level syntax to determine whether the color compensation is used in the prediction for the picture.
32. The method of claim 31 , wherein said decoding step uses context adaptive binary arithmetic coding contexts for decoding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
33. The method of claim 28 , wherein said decoding step reads a block-level syntax to determine color compensation information.
34. The method of claim 33 , wherein said decoding step uses context adaptive binary arithmetic coding contexts for decoding the block-level syntax, the context adaptive binary arithmetic coding contexts selected based on block size.
35. The method of claim 33 , wherein the color compensation information includes a color offset parameter.
36. The method of claim 28 , wherein said decoding step reads a slice-level syntax to determine an amount of color compensation applied on chrominance channels of an entire slice corresponding to the picture.
37. A non-transitory storage media having video signal data encoded thereupon, comprising:
a picture encoded by selectively enabling color compensation of at least one color component in a prediction of the picture based upon a correlation factor relating to color data between the picture and another picture, the picture and the other picture having different view points and both corresponding to multi-view content for a same or similar scene.