Method and Apparatus for Providing Reduced Resolution Update Mode for Multi-View Video Coding

Abstract

There are provided a method and apparatus for providing reduced resolution update mode for multi-view video coding. A video encoder includes an encoder for encoding a picture using a reduced resolution update mode. The picture is one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene. The picture represents one of the different view points.

1 . A video encoder, comprising:
 an encoder for encoding a picture using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.   
   
   
       2 . The video encoder of  claim 1 , wherein the reduced resolution update mode is used for at least one of view prediction and temporal prediction. 
   
   
       3 . The video encoder of  claim 1 , wherein the reduced resolution update mode is used on a slice basis. 
   
   
       4 . The video encoder of  claim 3 , wherein said encoder applies a deblocking filtering operation to reduced resolution update block edges of a slice partitioned from the picture when the reduced resolution update mode is used for the slice, and a strength of the deblocking filtering operation is adapted based on at least one of the reduced resolution update mode and prediction information. 
   
   
       5 . The video encoder of  claim 1 , wherein the reduced resolution update mode is switched on and off based on a view prediction or a temporal prediction on a reduced resolution update macroblock basis. 
   
   
       6 . The video encoder of  claim 5 , wherein said encoder applies a deblocking filtering operation to the picture, and wherein inner block edges of the picture are differentiated from reduced resolution update macroblock boundaries when the deblocking filtering operation is applied. 
   
   
       7 . The video encoder of  claim 6 , wherein the deblocking filtering operation is applied to reduced resolution update block edges and a filter strength is adapted for the reduced resolution update mode when the reduced resolution update mode is used for the inner block edges, and the deblocking filtering operation is applied to 4×4 block edges when the reduced resolution update mode is without use. 
   
   
       8 . The video encoder of  claim 6 , wherein reduced resolution update block edges are deblock filtered and a filter strength is adapted for the reduced resolution update mode for a reduced resolution update macroblock edge boundary when two neighboring macroblocks use the reduced resolution update mode, and 4×4 block edges are deblock filtered and the filter strength is adapted for the reduced resolution update mode when at least one of the two neighboring blocks uses the reduced resolution update mode. 
   
   
       9 . The video encoder of  claim 5 , wherein said encoder applies a deblocking filtering operation to the macroblocks partitioned from the picture, the deblocking filtering operation having a filter strength adapted based on at least one of view prediction and temporal prediction. 
   
   
       10 . 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. 
   
   
       11 . The video encoder of  claim 10 , wherein said encoder applies a deblocking filtering operation to the picture, the deblocking filtering operation having a filter strength adaptable based upon at least one of the reduced resolution update mode and prediction information. 
   
   
       12 . The video encoder of  claim 1 , wherein the reduced resolution update mode is used for a non-reference slice in the multi-view video scene. 
   
   
       13 . The video encoder of  claim 1 , wherein the reduced resolution update mode is used for at least some views in the multi-view video scene. 
   
   
       14 . The video encoder of  claim 1 , wherein the reduced resolution update mode is used for a particular temporal instance in the multi-view video scene. 
   
   
       15 . A video encoding method, comprising:
 encoding a picture using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.   
   
   
       16 . The method of  claim 15 , wherein the reduced resolution update mode is used after at least one of view prediction and temporal prediction. 
   
   
       17 . The method of  claim 15 , wherein the reduced resolution update mode is used on a slice basis. 
   
   
       18 . The method of  claim 17 , further comprising applying a deblocking filtering operation to reduced resolution update block edges of a slice partitioned from the picture when the reduced resolution update mode is used for the slice, and a strength of the deblocking filtering operation is adapted based on at least one of the reduced resolution update mode and prediction information. 
   
   
       19 . The method of  claim 15 , wherein the reduced resolution update mode is switched on and off based on a view prediction or a temporal prediction on a reduced resolution update macroblock basis. 
   
   
       20 . The method of  claim 19 , further comprising applying a deblocking filtering operation to the picture, and wherein inner block edges of the picture are differentiated from reduced resolution update macroblock boundaries when the deblocking filtering operation is applied. 
   
   
       21 . The method of  claim 20 , wherein the deblocking filtering operation is applied to reduced resolution update block edges and a filter strength is adapted for the reduced resolution update mode when the reduced resolution update mode is used for the inner block edges, and the deblocking filtering operation is applied to 4×4 block edges when the reduced resolution update mode is without use. 
   
   
       22 . The method of  claim 20 , wherein 8×8 block edges are deblock filtered and a filter strength is adapted for the reduced resolution update mode for a reduced resolution update macroblock edge boundary when two neighboring blocks use the reduced resolution update mode, and 4×4 block edges are deblock filtered and the filter strength is adapted for the reduced resolution update mode when at least one of the two neighboring blocks uses the reduced resolution update mode. 
   
   
       23 . The method of  claim 19 , further comprising applying deblocking filtering operation to the macroblocks partitioned from the picture, the deblocking filtering operation having a filter strength adapted based on at least one of view prediction and temporal prediction. 
   
   
       24 . The method of  claim 15 , 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. 
   
   
       25 . The method of  claim 24 , further comprising applying a deblocking filtering operation to the picture, the deblocking filtering operation having a filter strength adaptable based upon at least one of the reduced resolution update mode and prediction information. 
   
   
       26 . The method of  claim 15 , wherein the reduced resolution update mode is used for a non-reference slice in the multi-view video scene. 
   
   
       27 . The method of  claim 15 , wherein the reduced resolution update mode is used for at least some views in the multi-view video scene. 
   
   
       28 . The method of  claim 15 , wherein the reduced resolution update mode is used for a particular temporal instance in the multi-view video scene. 
   
   
       29 . A video decoder, comprising:
 a decoder for decoding a picture using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.   
   
   
       30 . The video decoder of  claim 29 , wherein the reduced resolution update mode is used after at least one of view prediction and temporal prediction. 
   
   
       31 . The video decoder of  claim 29 , wherein the reduced resolution update mode is used on a slice basis. 
   
   
       32 . The video decoder of  claim 31 , wherein said decoder applies a deblocking filtering operation to reduced resolution update block edges of a slice partitioned from the picture when the reduced resolution update mode is used for the slice, and a strength of the deblocking filtering operation is adapted based on at least one of the reduced resolution update mode and prediction information. 
   
   
       33 . The video decoder of  claim 29 , wherein the reduced resolution update mode is switched on and off based on a view prediction or a temporal prediction on a reduced resolution update macroblock basis. 
   
   
       34 . The video decoder of  claim 33 , wherein said decoder applies a deblocking filtering operation to the picture, and wherein inner block edges of the picture are differentiated from reduced resolution update macroblock boundaries when the deblocking filtering operation is applied. 
   
   
       35 . The video decoder of  claim 34 , wherein the deblocking filtering operation is applied to reduced resolution update block edges and a filter strength is adapted for the reduced resolution update mode when the reduced resolution update mode is used for the inner block edges, and the deblocking filtering operation is applied to 4×4 block edges when the reduced resolution update mode is without use. 
   
   
       36 . The video decoder of  claim 34 , wherein 8×8 block edges are deblock filtered and a filter strength is adapted for the reduced resolution update mode for a reduced resolution update macroblock edge boundary when two neighboring blocks use the reduced resolution update mode, and 4×4 block edges are deblock filtered and the filter strength is adapted for the reduced resolution update mode when at least one of the two neighboring blocks uses the reduced resolution update mode. 
   
   
       37 . The video decoder of  claim 33 , wherein said decoder applies a deblocking filtering operation to the macroblocks partitioned from the picture, the deblocking filtering operation having a filter strength adapted based on at least one of view prediction and temporal prediction. 
   
   
       38 . The video decoder of  claim 29 , wherein said decoder decodes the picture from a 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. 
   
   
       39 . The video decoder of  claim 39 , wherein said decoder applies a deblocking filtering operation to the picture, the deblocking filtering operation having a filter strength adaptable based upon at least one of the reduced resolution update mode and prediction information. 
   
   
       40 . The video decoder of  claim 29 , wherein the reduced resolution update mode is used for a non-reference slice in the multi-view video scene. 
   
   
       41 . The video decoder of  claim 29 , wherein the reduced resolution update mode is used for at least some views in the multi-view video scene. 
   
   
       42 . The video decoder of  claim 29 , wherein the reduced resolution update mode is used for a particular temporal instance in the multi-view video scene. 
   
   
       43 . A video decoding method, comprising:
 decoding a picture using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.   
   
   
       44 . The method of  claim 43 , wherein the reduced resolution update mode is used after at least one of view prediction and temporal prediction. 
   
   
       45 . The method of  claim 43 , wherein the reduced resolution update mode is used on a slice basis. 
   
   
       46 . The method of  claim 45 , further comprising applying a deblocking filtering operation to RRU block edges of a slice partitioned from the picture when the reduced resolution update mode is used for the slice, and a strength of the deblocking filtering operation is adapted based on at least one of the reduced resolution update mode and prediction information. 
   
   
       47 . The method of  claim 43 , wherein the reduced resolution update mode is switched on and off based on a view prediction or a temporal prediction on a reduced resolution update macroblock basis. 
   
   
       48 . The method of  claim 47 , further comprising applying a deblocking filtering operation to the picture, and wherein inner block edges of the picture are differentiated from reduced resolution update macroblock boundaries when the deblocking filtering operation is applied. 
   
   
       49 . The method of  claim 48 , wherein the deblocking filtering operation is applied to reduced resolution update block edges and a filter strength is adapted for the reduced resolution update mode when the reduced resolution update mode is used for the inner block edges, and the deblocking filtering operation is applied to 4×4 block edges when the reduced resolution update mode is without use. 
   
   
       50 . The method of  claim 48 , wherein reduced resolution update block edges are deblock filtered and a filter strength is adapted for the reduced resolution update mode for a reduced resolution update edge boundary when two neighboring blocks use the reduced resolution update mode, and 4×4 block edges are deblock filtered and the filter strength is adapted for the reduced resolution update mode when at least one of the two neighboring blocks uses the reduced resolution update mode. 
   
   
       51 . The method of  claim 47 , further comprising applying deblocking filtering operation to the macroblocks partitioned from the picture, the deblocking filtering operation having a filter strength adapted based on at least one of view prediction and temporal prediction. 
   
   
       52 . The method of  claim 43 , wherein said decoding step decodes the picture from a 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. 
   
   
       53 . The method of  claim 52 , further comprising applying a deblocking filtering operation to the picture, the deblocking filtering operation having a filter strength adaptable based upon at least one of the reduced resolution update mode and prediction information. 
   
   
       54 . The method of  claim 43 , wherein the reduced resolution update mode is used for a non-reference slice in the multi-view video scene. 
   
   
       55 . The method of  claim 43 , wherein the reduced resolution update mode is used for at least some views in the multi-view video scene. 
   
   
       56 . The method of  claim 43 , wherein the reduced resolution update mode is used for a particular temporal instance in the multi-view video scene. 
   
   
       57 . A video signal structure for video encoding, comprising:
 a picture encoded using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.   
   
   
       58 . A storage media having video signal data encoded thereupon, comprising:
 a picture encoded using a reduced resolution update mode, the picture being one of a set of pictures corresponding to multi-view content having different view points with respect to a same or similar scene, the picture representing one of the different view points.