MVC BASED 3DVC CODEC SUPPORTING INSIDE VIEW MOTION PREDICTION (IVMP) MODE

• US 20130188013A1
• Filed: 07/19/2012
• Published: 07/25/2013
• Est. Priority Date: 07/22/2011
• Status: Abandoned Application

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Chen, Ying, Zhang, Li, Karczewicz, Marta
• Application Number:
  US13/553,315
• Publication Number:
  US 20130188013A1
• Time in Patent Office: Days
• US Class Current: 348/43
• CPC Class Codes: H04L 69/22 Parsing or analysis of headers
• CPC Class Codes: H04N 13/161 Encoding, multiplexing or demultiplexing different image signal components for multi-view video sequence encoding H04N19/597
• CPC Class Codes: H04N 19/172 the region being a picture, frame or field
• CPC Class Codes: H04N 19/174 the region being a slice, e.g. a line of blocks or a group of blocks
• CPC Class Codes: H04N 19/176 the region being a block, e.g. a macroblock
• CPC Class Codes: H04N 19/44 Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
• CPC Class Codes: H04N 19/46 Embedding additional information in the video signal during the compression process H04N19/517, H04N19/68, H04N19/70 take precedence
• CPC Class Codes: H04N 19/51 Motion estimation or motion compensation
• CPC Class Codes: H04N 19/597 specially adapted for multi-view video sequence encoding
• CPC Class Codes: H04N 19/61 in combination with predictive coding
• CPC Class Codes: H04N 19/70 characterised by syntax aspects related to video coding, e.g. related to compression standards

Abstract

This disclosure describes features and techniques applicable to three-dimensional (3D) video coding. In one example, a technique may include coding a texture view video block, and coding a depth view video block, wherein the depth view video block is associated with the texture view video block. Coding the depth view video block may include coding a syntax element to indicate whether or not motion information associated with the texture view video block is adopted as motion information associated with the depth view video block.

Claims

1. A method for coding three-dimensional (3D) video data comprising:

coding a texture view video block; and

coding a depth view video block, wherein the depth view video block is associated with the texture view video block,

wherein coding the depth view video block includes coding a syntax element to indicate whether or not motion information associated with the texture view video block is adopted as motion information associated with the depth view video block.

2. The method of claim 1, wherein the texture view video block and the depth view video block are coded together in an access unit, and the syntax element comprises a flag defined at a video block level to indicate whether or not the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

3. The method of claim 2, wherein if the syntax element indicates that the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

4. The method of claim 2, wherein the syntax element defines whether an inside view motion prediction (IVMP) mode is enabled or not.

5. The method of claim 4, wherein:

if the IVMP mode is disabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the depth view video block is separately included in the access unit; and

if the IVMP mode is enabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

6. The method of claim 5, wherein if the IVMP mode is enabled, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

7. The method of claim 1, wherein coding comprises encoding, and wherein coding the syntax element comprises generating the syntax element.

8. The method of claim 1, wherein coding comprises decoding, wherein coding the syntax element comprises decoding the syntax element from an encoded bitstream, and wherein the syntax element is included in the encoded bitstream.

9. A device that codes three-dimensional (3D) video data, wherein the device comprises one or more processors configured to:

code a texture view video block; and

code a depth view video block, wherein the depth view video block is associated with the texture view video block,

wherein coding the depth view video block includes coding a syntax element to indicate whether or not motion information associated with the texture view video block is adopted as motion information associated with the depth view video block.

10. The device of claim 9, wherein the texture view video block and the depth view video block are coded together in an access unit, and the syntax element comprises a flag defined at a video block level to indicate whether or not the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

11. The device of claim 10, wherein if the syntax element indicates that the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

12. The device of claim 10, wherein the syntax element defines whether an inside view motion prediction (IVMP) mode is enabled or not.

13. The device of claim 12, wherein:

if the IVMP mode is disabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the depth view video block is separately included in the access unit; and

if the IVMP mode is enabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

14. The device of claim 13, wherein if the IVMP mode is enabled, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

15. The device of claim 9, wherein coding comprises encoding, and wherein coding the syntax element comprises generating the syntax element.

16. The device of claim 9, wherein coding comprises decoding, wherein coding the syntax element comprises decoding the syntax element from an encoded bitstream, and wherein the syntax element is included in the encoded bitstream.

17. The device of claim 9, wherein the device comprises a wireless handset.

18. The device of claim 9, wherein the device comprises one or more of:

a digital television,

a device in digital direct broadcast system,

a device in wireless broadcast system,

a personal digital assistants (PDA),

a laptop computer;

a desktop computer;

a tablet computer,

an e-book reader,

a digital camera,

a digital recording device,

a digital media player,

a video gaming device,

a video game console,

a cellular radio telephone,

a satellite radio telephone

a smart phone,

a video teleconferencing device, and

a video streaming device.

19. A computer-readable storage medium comprising instructions stored thereon, wherein the instructions upon execution cause one or more processors to:

code a texture view video block; and

code a depth view video block, wherein the depth view video block is associated with the texture view video block,

wherein coding the depth view video block includes coding a syntax element to indicate whether or not motion information associated with the texture view video block is adopted as motion information associated with the depth view video block.

20. The computer-readable storage medium of claim 19, wherein the texture view video block and the depth view video block are coded together in an access unit, and the syntax element comprises a flag defined at a video block level to indicate whether or not the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

21. The computer-readable storage medium of claim 20, wherein if the syntax element indicates that the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

22. The computer-readable storage medium of claim 20, wherein the syntax element defines whether an inside view motion prediction (IVMP) mode is enabled or not.

23. The computer-readable storage medium of claim 22, wherein:

if the IVMP mode is disabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the depth view video block is separately included in the access unit; and

if the IVMP mode is enabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

24. The computer-readable storage medium of claim 23, wherein if the IVMP mode is enabled, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

25. The computer-readable storage medium of claim 19, wherein coding comprises encoding, and wherein coding the syntax element comprises generating the syntax element.

26. The computer-readable storage medium of claim 19, wherein coding comprises decoding, wherein coding the syntax element comprises decoding the syntax element from an encoded bitstream, and wherein the syntax element is included in the encoded bitstream.

27. A device configured to code three-dimensional (3D) video data, the device comprising:

means for coding a texture view video block; and

means for coding a depth view video block, wherein the depth view video block is associated with the texture view video block,

wherein the means for coding the depth view video block includes means for coding a syntax element to indicate whether or not motion information associated with the texture view video block is adopted as motion information associated with the depth view video block.

28. The device of claim 27, wherein the texture view video block and the depth view video block are coded together in an access unit, and the syntax element comprises a flag defined at a video block level to indicate whether or not the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

29. The device of claim 28, wherein if the syntax element indicates that the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

30. The device of claim 28, wherein the syntax element defines whether an inside view motion prediction (IVMP) mode is enabled or not.

31. The device of claim 30, wherein:

if the IVMP mode is disabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the depth view video block is separately included in the access unit; and

if the IVMP mode is enabled, the motion information associated with the texture view video block is included in the access unit and the motion information associated with the texture view video block is adopted as the motion information associated with the depth view video block.

32. The device of claim 31, wherein if the IVMP mode is enabled, the depth view video block does not include any delta with respect to the motion information associated with the depth view video block.

33. The device of claim 27, wherein the means for coding comprises means for encoding, and wherein the means for coding the syntax element comprises means for generating the syntax element.

34. The device of claim 27, wherein the means for coding comprises means for decoding, wherein the means for coding the syntax element comprises means for decoding the syntax element from an encoded bitstream, and wherein the syntax element is included in the encoded bitstream.