Granted Patent B2

US 9,218,644 · App. 12/689,356 · Granted Dec 22, 2015

Abstract

Claims (41)

1. A method for image processing, the method comprising:

performing by one or more processors, one or more circuits, or any combination thereof in an image processing system:

extracting a plurality of view sequences from a three-dimension (3D) input image stream, the plurality of view sequences comprising a left view sequence and a right view sequence; and

generating a two dimensional (2D) output image stream based on a base sequence of said plurality of extracted view sequences, wherein image data for said 2D output image stream is generated utilizing view information derived from said base sequence and at least one other sequence of said plurality of extracted view sequences, where said base sequence corresponds to one of said left view sequence or said right view sequence and said at least one other sequence comprises the other of said left view sequence or said right view sequence, such that:

when said base sequence corresponds to said left view sequence, said at least one other sequence comprises said right view sequence; and

when said base sequence corresponds to said right view sequence, said at least one other sequence comprises said left view sequence

wherein generating said 2D output image stream comprises:

selecting one of said left view sequence or said right view sequence as the base sequence for generating said 2D image stream; and

enhancing at least one of a contrast or a sharpness of said one of said left view sequence or said right view sequence selected as said base sequence using the other of said left view sequence or said right view sequence not selected as said base view sequence.

2. The method according to claim 1 , wherein said plurality of extracted view sequences comprises sequences of stereoscopic left and right reference fields or frames.

3. The method according to claim 1 , wherein said view information utilized during said generation of said image data for said 2D output image stream comprises foreground information, background information, or both.

4. The method according to claim 1 , comprising classifying regions of frames of said plurality of extracted view sequences as a foreground region or a background region based at least in part upon said view information.

5. The method according to claim 4 , comprising modifying images in said generated 2D output image stream based at least in part upon said region classifications.

6. The method according to claim 5 , wherein said modification enhances contrast, sharpness, or both of said images in said 2D output image stream.

7. The method according to claim 1 , comprising performing frame rate upconversion operations on said 2D output image stream using frame or field interpolation based upon the view information derived from said base sequence and said at least one other sequence.

8. The method according to claim 7 , comprising modifying said interpolation based on the view information derived from said at least one other sequence of said plurality of extracted view sequences.

9. The method according to claim 1 , comprising locally performing graphic processing corresponding to include a graphic object in a plurality of images of said 2D output image stream.

10. The method according to claim 9 , comprising wherein locally performing said local graphics processing comprises splicing said graphic object into said plurality of images based on one or more points of focus within each image in said 2D output image stream of said plurality of images.

11. A system for image processing, the system comprising:

one or more circuits, one or more processors, or any combination thereof that are operable to extract a plurality of view sequences from a compressed three-dimension (3D) input image stream; and

said one or more circuits, one or more processors, or combination thereof are operable to generate a two dimensional (2D) output image stream based on a base sequence corresponding to one of a left view sequence or a right view sequence of said plurality of extracted view sequences, wherein image data for said 2D output image stream is generated utilizing view information derived from said base sequence and at least one other sequence corresponding to the other of said left view sequence or said right view sequence of said plurality of extracted view sequences, such that:

when said base sequence corresponds to said left view sequence, said at least one other sequence corresponds to said right view sequence; and

when said base sequence corresponds to said right view sequence, said at least one other sequence corresponds to said left view sequence;

wherein said one or more circuits, one or more processors, or combination thereof are operable to generate said 2D output image stream by:

selecting one of said left view sequence or said right view sequence as the base sequence for generating said 2D image stream; and

enhancing at least one of a contrast or a sharpness of said one of said left view sequence or said right view sequence selected as said base sequence using the other of said left view sequence or said right view sequence not selected as said base view sequence.

12. The system according to claim 11 , wherein said plurality of extracted view sequences comprises sequences of stereoscopic left and right reference fields or frames.

13. The system according to claim 11 , wherein said view information utilized during said generation of said image data for said 2D output image stream comprises foreground information, background information, or both.

14. The system according to claim 11 , wherein said one or more circuits, one or more processors, or combination thereof are operable to classify regions of frames of said plurality of extracted view sequences as a foreground region or a background region based at least in part on said view information.

15. The system according to claim 14 , wherein said one or more circuits, one or more processors, or combination thereof are operable to modify said base sequence for said generated 2D output image stream based at least in part on said region classifications.

16. The system according to claim 15 , wherein modifying said base sequence based at least in part on said region classifications enhances contrast, sharpness, or both of images in said 2D output image stream.

17. The system according to claim 11 , wherein said one or more circuits, one or more processors, or combination thereof are operable to perform frame rate upconversion operations on said 2D output image stream using frame or field interpolation based upon view information derived from said base sequence and said at least one other sequence.

18. The system according to claim 17 , wherein said one or more circuits, one or more processors, or combination thereof are operable to modify said interpolation based on view information derived from said at least one other sequence of said plurality of extracted view sequences.

19. The system according to claim 11 , wherein said one or more circuits, one or more processors, or combination thereof are operable to locally perform graphic processing corresponding to include a graphic object in a plurality of images of said 2D output image stream.

20. The system according to claim 19 , wherein said one or more circuits, one or more processors, or combination thereof are operable to perform said local graphics processing based on one or more points of focus within each image said plurality of images in said 2D output image stream.

21. A method for video processing, the method comprising: performing by one or more processors, one or more circuits, or any combination thereof in a video processing system:

extracting a plurality of view sequences from a compressed three-dimension (3D) input video stream, the plurality of view sequences comprising a left view sequence and a right view sequence;

generating a two dimensional (2D) output video stream based on a first view content derived from one of said left view sequence or said right view sequence;

enhancing at least one of a contrast or a sharpness of the 2D output video by utilizing a second view content derived from the other of said left view sequence or said right view sequence, such that:

when said first view content is derived from said left view sequence, said second view content is derived from said right view sequence; and

when said first view content is derived from said right view sequence, said second view content is derived from said left view sequence.

Assignments (6)