Video data compression systems

• US 9,769,477 B2
• Filed: 10/06/2015
• Issued: 09/19/2017
• Est. Priority Date: 02/13/2001
• Status: Expired due to Fees

• Current Assignee: Realtime Adaptive Streaming LLC (Realtime Data Compression Systems, Inc.)
• Original Assignee: Realtime Adaptive Streaming LLC (Realtime Data Compression Systems, Inc.)
• Inventors: Fallon, James J., McErlain, Stephen J.
• Primary Examiner(s): Bocure, Tesfaldet
• Application Number:
  US14/876,276
• Publication Number:
  US 20160029018A1
• Time in Patent Office: 714 Days
• Field of Search: 375240, 37524001, 37524002, 341 50, 341 51, 341126
• CPC Class Codes: H03M 7/30 Compression speech analysis-synthesis for redundancy reduction G10L19/00; for image communication H04N; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• CPC Class Codes: H03M 7/3084 using adaptive string matching, e.g. the Lempel-Ziv method
• CPC Class Codes: H03M 7/6094 according to reasons other than compression rate or data type
• CPC Class Codes: H04N 19/103 Selection of coding mode or of prediction mode
• CPC Class Codes: H04N 19/164 Feedback from the receiver or from the transmission channel
• CPC Class Codes: H04N 19/176 the region being a block, e.g. a macroblock

Abstract

A system and method including one or more asymmetric data compression algorithms is disclosed. A first asymmetric data compression algorithm of the one or more asymmetric data compression algorithms compresses data at a higher data compression rate than a second asymmetric data compression algorithm of the one or more asymmetric data compression algorithms. The system and method also include one or more processors that determine one or more data parameters from one or more data blocks and select one or more asymmetric data compression algorithms from among the one or more asymmetric data compression algorithms based upon, at least in part, the determined one or more data parameters.

Claims

1. A system, comprising:

a plurality of different asymmetric data compression encoders,

wherein each asymmetric data compression encoder of the plurality of different asymmetric data compression encoders is configured to utilize one or more data compression algorithms, and

wherein a first asymmetric data compression encoder of the plurality of different asymmetric data compression encoders is configured to compress data blocks containing video or image data at a higher data compression rate than a second asymmetric data compression encoder of the plurality of different asymmetric data compression encoders; and

one or more processors configured to;

determine one or more data parameters, at least one of the determined one or more data parameters relating to a throughput of a communications channel measured in bits per second; and

select one or more asymmetric data compression encoders from among the plurality of different asymmetric data compression encoders based upon, at least in part, the determined one or more data parameters.

2. The system of claim 1, wherein at least one of the plurality of different asymmetric data compression encoders is configured to utilize an arithmetic algorithm.

3. The system of claim 1, wherein the throughput of the communications channel comprises:

an estimated throughput of the communications channel.

4. The system of claim 1, wherein the throughput of the communications channel comprises:

an expected throughput of the communications channel.

5. The system of claim 1, wherein the selected one or more asymmetric data compression encoders are configured to compress the data blocks containing video or image data for output at different data transmission rates measured in bits per second to produce a plurality of compressed data blocks.

6. The system of claim 1, wherein at least one of the plurality of different asymmetric data compression encoders is configured to utilize a standardized data compression algorithm capable of compressing video data.

7. The system of claim 1, wherein at least one of the determined one or more data parameters comprises:

a resolution of the data blocks containing video or image data.

8. The system of claim 1, wherein at least one of the determined one or more data parameters comprises:

a data transmission rate of the data blocks containing video or image data.

9. The system of claim 1, wherein at least one of the determined one or more data parameters comprises:

an attribute or a value related to a format or a syntax of video or image data contained in the data blocks containing video or image data.

10. The system of claim 1, wherein the selected one or more asymmetric data compression encoders are configured to utilize a content-dependent data compression algorithm.

11. The system of claim 10, wherein the content-dependent data compression algorithm comprises:

an arithmetic algorithm.

12. The system of claim 1, wherein the selected one or more asymmetric data compression encoders are configured to perform compression in real-time or substantially real-time.

13. The system of claim 1, wherein the communications channel comprises:

a distributed network.

14. The system of claim 13, wherein the distributed network comprises:

the Internet.

15. The system of claim 1, wherein the selected one or more asymmetric data compression encoders are utilized to compress the data blocks containing video or image data to create one or more compressed data blocks, and

wherein a descriptor is associated with the one or more compressed data blocks that indicates the selected one or more asymmetric data compression encoders.

16. The system of claim 1, wherein the selected one or more asymmetric data compression encoders are utilized to compress the data blocks containing video or image data to create one or more compressed data blocks, and

wherein a descriptor indicating the selected one or more asymmetric data compression encoders is included with the one or more compressed data blocks.

17. The system of claim 1, wherein at least one of the determined one or more data parameters comprises:

a video or image data profile.

18. The system of claim 1, wherein the one or more processors are further configured to encode each of the data blocks containing video or image data with a plurality of the selected one or more asymmetric data compression encoders to create compressed data blocks.

19. The system of claim 18, further comprising:

a memory for storing the compressed data blocks.

20. A system, comprising:

a plurality of video data compression encoders;

wherein at least one of the plurality of video data compression encoders is configured to utilize an asymmetric data compression algorithm, and

wherein at least one of the plurality of video data compression encoders is configured to utilize an arithmetic data compression algorithm,

wherein a first video data compression encoder of the plurality of video data compression encoders is configured to compress at a higher compression ratio than a second data compression encoder of the plurality of data compression encoders; and

one or more processors configured to;

determine one or more data parameters, at least one of the determined one or more data parameters relating to a throughput of a communications channel; and

select one or more video data compression encoders from among the plurality of video data compression encoders based upon, at least in part, the determined one or more data parameters.

21. The system of claim 20, wherein the throughput of the communications channel comprises:

an estimated or expected throughput of the communications channel.

22. The system of claim 20, wherein the selected one or more video data compression encoders are configured to compress one or more data blocks containing video data for different data transmission rates measured in bits per second to produce a plurality of compressed data blocks.

23. The system of claim 20, wherein at least one of the determined one or more data parameters are related to a resolution of one or more data blocks containing video data.

24. The system of claim 20, wherein at least one of the determined one or more data parameters comprises:

a data transmission rate of one or more data blocks containing video data.

25. The system of claim 20, wherein at least one of the determined one or more data parameters comprises:

an attribute or a value related to a format or a syntax of video data contained in one or more data blocks containing video data.

26. The system of claim 20, wherein the selected one or more video data compression encoders are configured to perform data compression in real-time or substantially real-time.

27. The system of claim 20, wherein the communications channel comprises:

a distributed network or the Internet.

28. The system of claim 20, wherein the one or more data blocks containing video data are compressed with the selected one or more video data compression encoders to create one or more compressed data blocks, and

wherein a descriptor is associated with the one or more compressed data blocks that indicates the selected one or more video data compression encoders.

29. The system of claim 20, wherein the one or more processors are configured to encode each of one or more data blocks with a plurality of the selected one or more asymmetric data compression encoders to create compressed data blocks.