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System and method for scalable encoding and decoding of multimedia data using multiple layers

A technology of the base layer and enhancement layer, applied in the direction of color TV with pulse code modulation, color TV with bandwidth compression, transmission of TV signals through single/parallel channels, etc.

Inactive Publication Date: 2012-07-04
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Multi-layer decoders typically require increased computational complexity and memory compared to single-layer decoders when decoding the base layer and the enhancement layer
Many mobile devices do not utilize multi-layer decoders due to the increased computational complexity and memory requirements

Method used

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  • System and method for scalable encoding and decoding of multimedia data using multiple layers
  • System and method for scalable encoding and decoding of multimedia data using multiple layers
  • System and method for scalable encoding and decoding of multimedia data using multiple layers

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Embodiment Construction

[0023] Systems and methods of embodiments implementing the various features of the invention will now be described with reference to the illustrations. The drawings and associated descriptions are provided to illustrate certain embodiments of the invention and not to limit the scope of the invention. Throughout the drawings, various reference numbers are re-used to indicate consistency between referenced elements. In addition, the first digit of each reference number indicates the drawing in which the element first appears.

[0024] figure 1 is a block diagram of a system 100 that encodes and decodes multimedia (eg, video, audio, or both) data. System 100 may be configured to encode (eg, compress) and decode (eg, decompress) video data (eg, pictures and video frames). System 100 may include server 105 , device 110 , and communication channel 115 connecting server 105 to device 110 . System 100 may be used to illustrate the methods for encoding and decoding video data desc...

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Abstract

A method of processing multimedia data being associated with multiple layers is disclosed. The method may include determining a base layer residual and performing interlayer prediction to generate an enhancement layer residual if at least one of a number of non-zero coefficients of the base layer residual or a number of zero coefficients of the base layer residual meets a first selected condition. A method of decoding a multimedia bitstream may include receiving a multimedia bitstream having a base layer and an enhancement layer and decoding the base layer to determine whether the enhancementlayer should be decoded using intralayer prediction or interlayer prediction.

Description

[0001] Claim of priority under 35 U.S.C § 119 [0002] This patent application claims priority over Provisional Application No. 60 / 789,271, filed April 4, 2006, entitled "DATA PROCESSING WITH SCALABILITY," and the patent application, entitled "BASE LAYER VIDEO QUALITY COMPARISON," filed May 3, 2005. Provisional Application No. 60 / 677,607, filed May 3, 2005, entitled "INTRODUCING NEW MB MODES" Provisional Application No. 60 / 677,609, filed May 3, 2005, entitled "SHARING INFORMATION IN TWO Provisional Application No. 60 / 677,610 for LAYER CODING" and Provisional Application No. 60 / 677,611 entitled "INTERLAYER PREDICTION FOR INTER MBS IN SCALABLE VIDEO CODING", filed May 3, 2005, all of which are assigned Assignee of this patent and expressly incorporated herein by reference. technical field [0003] This disclosure relates to scalable encoding and decoding of multimedia data that may include audio data, video data, or both. More particularly, the present disclosure relates to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/66H04N7/12H04N11/02H04N11/04
CPCH04N19/00781H04N19/00278H04N19/00157H04N19/00321H04N7/26244H04N19/00448H04N7/26127H04N19/00151H04N19/00139H04N19/00424H04N7/50H04N19/00018H04N19/00024H04N7/26946H04N19/0043H04N7/26138H04N19/00884H04N7/26297H04N19/00296H04N7/26021H04N7/2625H04N7/26015H04N7/26351H04N19/103H04N19/105H04N19/136H04N19/139H04N19/14H04N19/176H04N19/18H04N19/187H04N19/30H04N19/31H04N19/36H04N19/61H04N19/70H04N19/51
Inventor 陈培松维贾雅拉克希米·R·拉韦恩德拉恩
Owner QUALCOMM INC
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