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Video processing apparatus for storing partial reconstructed pixel data in storage device for use in intra prediction and related video processing method

A video processing and intra-frame prediction technology, applied in the field of video processing, can solve problems such as cost effectiveness

Active Publication Date: 2016-05-18
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is not cost effective to buffer each reconstructed pixel generated from the reconstruction unit using a picture buffer with a capacity not smaller than the reconstructed data size of one picture

Method used

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  • Video processing apparatus for storing partial reconstructed pixel data in storage device for use in intra prediction and related video processing method
  • Video processing apparatus for storing partial reconstructed pixel data in storage device for use in intra prediction and related video processing method
  • Video processing apparatus for storing partial reconstructed pixel data in storage device for use in intra prediction and related video processing method

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Embodiment Construction

[0020] Certain terms are used throughout the description and claims to refer to particular components. Manufacturers may refer to components by different names, as those skilled in the art appreciate. This document does not intend to distinguish between parts that differ in name but have the same function. In the claims and the following description, the terms "comprises" and "comprises" are used in an open manner, and thus should be interpreted to mean "including, but not limited to". Also, the term "coupled" is intended to mean an indirect or direct electrical connection. Thus, if a device couples to another device, that connection may be through a direct electrical connection or through an indirect electrical connection via other devices and connections.

[0021] figure 1 is a schematic diagram of a video processing device according to a first embodiment of the present invention. The video processing device 100 may be part of an electronic device, such as a personal com...

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Abstract

A video processing apparatus includes a reconstruct circuit, a storage device, and an intra prediction circuit. The reconstruct circuit generates reconstructed pixels of a first block of a picture. The storage device at least stores a portion of the reconstructed pixels of the first block, wherein a capacity of the storage device is smaller than a reconstructed data size of the picture. The intra prediction circuit performs intra prediction of a second block of the picture based at least partly on pixel data obtained from the storage device.

Description

[0001] 【CROSS-REFERENCE TO RELATED APPLICATIONS】 [0002] This application claims priority to U.S. Provisional Application Serial No. 62 / 003,612, filed May 28, 2014, and U.S. Application Serial No. 14 / 716,904, filed May 20, 2015, which are incorporated herein by reference. 【Technical field】 [0003] The present invention relates to video processing (eg, video decoding), and more particularly, to a video processing device and related video processing method for storing locally reconstructed pixel data in a storage device for intra prediction. 【Background technique】 [0004] Existing video coding standards usually adopt block-based coding techniques to extend spatial and temporal redundancy. For example, the basic approach is to split the entire source frame into blocks, perform intra / inter prediction on each block, transform the residual value of each block, and perform quantization and entropy coding. Furthermore, a reconstructed frame is generated in an encoding loop to pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/426H04N19/433
CPCH04N19/593H04N19/423H04N19/44H04N19/51H04N19/55H04N19/563
Inventor 胡孟杰张永昌郑佳韵
Owner MEDIATEK INC