System and method for compressing and encoding video

• US 7,010,033 B2
• Filed: 02/02/2004
• Issued: 03/07/2006
• Est. Priority Date: 02/02/2004
• Status: Expired due to Fees

• Current Assignee: Adams Platform Pty Limited
• Original Assignee: Adams Platform Pty Limited
• Inventors: Clark, Adam Leslie
• Primary Examiner(s): Philippe, Gims
• Application Number:
  US10/771,048
• Publication Number:
  US 20050169366A1
• Time in Patent Office: 764 Days
• Field of Search: 375/240.01, 375/240.08, 382/235, 382/239, 382/164, 345/600, 348/396.1
• US Class Current: 375/240.01
• CPC Class Codes: H04N 19/182 the unit being a pixel
• CPC Class Codes: H04N 19/186 the unit being a colour or a chrominance component
• CPC Class Codes: H04N 19/50 using predictive coding H04N19/61 takes precedence
• CPC Class Codes: H04N 19/61 in combination with predictive coding
• CPC Class Codes: H04N 19/85 using pre-processing or post-processing specially adapted for video compression

Abstract

A method for encoding a video, comprises receiving the video as a plurality of pixel value sets, wherein each pixel value set of the plurality of pixel value sets represents a digitized pixel of the video. The plurality of pixel value sets are grouped into a plurality of digitized video frames. Each pixel value set of the plurality of pixel value sets includes a first portion and a second portion. The first portion of each pixel value set is encoded to provide a plurality of dominant color values.

Claims

1. A method, comprising:

receiving video information as a plurality of pixel value sets grouped into a plurality of digitized video frames, each pixel value set of the plurality of pixel value sets representing a digitized pixel of the video information and including a first portion defining a multi-dimensional color space for the video information and a second portion; and

encoding, on a pixel-by-pixel basis, the first portion of each pixel value set so as to define each digitized pixel in terms of only one of a plurality of dominant color values, each dominant color value corresponding to one dimension of the multi-dimensional color space.

2. The method of claim 1, wherein each dominant color value of the plurality of dominant color values comprises one of a red value, a blue value, or a green value.

3. The method of claim 1, wherein the second portion of each pixel value set includes a chrominance value and luminance value.

4. The method of claim 1, wherein the first portion of each pixel value set includes one or more of:

RGB values, CMYK values, component video values, and composite video values.

5. The method of claim 1, wherein the video information is received from a video acquisition device.

6. The method of claim 5, wherein the video acquisition device receives broadcasts formatted as one or more broadcast protocols and provides the video information, wherein the broadcast protocols include NTSC, PAL, SECAM, RGB, CMYK, and HDTV.

7. The method of claim 1, further comprising creating a header file including parameters describing the video information.

8. The method of claim 1, further comprising:

scaling the first portion of each pixel value set to provide a plurality of scaled color values.

9. The method of claim 8, further comprising scaling the second portion of each pixel value set to provide a plurality of scaled value sets.

10. The method of claim 9, further comprising:

storing each scaled value set of the plurality of scaled value sets, each scaled color value of the plurality of scaled color values and each dominant color value in an encoded video table having a plurality of rows, wherein each row of the plurality of rows represents an encoded pixel of the video information.

11. The method of claim 10, wherein the plurality of rows are divided into a plurality of encoded video tables, wherein each encoded video table of the plurality of encoded video tables corresponds to an encoded frame of the video information representing a digitized video frame of the plurality of digitized video frames.

12. The method of claim 10, wherein the plurality of rows includes previous rows and subsequent rows, and wherein subsequent rows that are identical to previous rows are replaced with pointers to the previous rows.

13. The method of claim 11, further comprising:

determining a reference pixel value set for each encoded video table to provide a plurality of reference pixel value sets, and

storing the reference pixel value set with its associated encoded video table.

14. The method of claim 13, further comprising storing the plurality of encoded video tables and the plurality of reference pixel values sets in an encoded video file.

15. The method of claim 13, wherein determining the reference pixel value set comprises, for each digitized video frame, analyzing the first portion of each pixel value set to identify one or more highest color intensity pixel value sets, and wherein the reference pixel value set includes the one or more highest color intensity pixel value sets.

16. The method of claim 13, wherein the reference pixel value set includes at least one red reference pixel value, one green reference pixel value, and one blue reference pixel value.

17. The method of claim 15, wherein the reference pixel value set include a red reference pixel value set, a blue reference pixel value set, a green reference pixel value set, and a black reference pixel value set.

18. The method of claim 15, wherein the digitized video frame has an upper half and a lower half, and wherein one or more of the reference pixel values are derived from the upper half of the digitized video frame, and one or more of the reference pixel values are derived from the lower half of the digitized video frame.

19. A method, comprising:

receiving a pixel as a pixel value set representing a digitized pixel defined by parameters of a multi-dimensional color space, the pixel value set including a first portion and a second portion; and

encoding the first portion of the pixel value set so as to define the digitized pixel in terms of only one of a plurality of dominant color values, each dominant color value corresponding to one dimension of the multi-dimensional color space.

20. The method of claim 19, wherein each dominant color value comprises one of a red value, a blue value, or a green value.

21. The method of claim 19, wherein the second portion of the pixel value set includes a chrominance value and luminance value.

22. The method of claim 19, wherein the first portion of the pixel value set includes one or more of:

RGB values, CMYK values, component video values, and composite video values.

23. The method of claim 19, further comprising:

scaling the first portion of the pixel value set to provide a scaled color value.

24. The method of claim 23, further comprising scaling the second portion of the pixel value set to provide a scaled value set.

25. The method of claim 24, further comprising:

storing the scaled value set, the scaled color value and the dominant color value in a data file.

26. The method of claim 25, further comprising:

determining a reference pixel value set for the pixel, and

storing the reference pixel value set in the data file.

27. The method of claim 26, wherein the reference pixel value set includes at least one red reference pixel value, one green reference pixel value, and one blue reference pixel value.