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Methods and systems for image intra-prediction mode estimation, communication, and organization

A prediction mode and intra-prediction technology, applied in image communication, digital video signal modification, electrical components, etc., can solve problems such as heavy burden, heavy burden, and increased system complexity

Inactive Publication Date: 2014-07-16
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The memory occupied by these data tables is burdensome for many low-cost machines
Also, providing enough memory for storing data tables is a heavy burden in processing equipment
Also, due to the existence of large data tables, it ends up increasing the complexity of the system

Method used

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  • Methods and systems for image intra-prediction mode estimation, communication, and organization
  • Methods and systems for image intra-prediction mode estimation, communication, and organization
  • Methods and systems for image intra-prediction mode estimation, communication, and organization

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Embodiment Construction

[0054] Embodiments of the present invention include methods and systems related to intra-prediction of images. As all embodiments relate to intra-prediction, the terms "intra-prediction" and "prediction" are used interchangeably when referring to the intra-prediction process.

[0055] Embodiments of the present invention use intraframe coding or intracoding to exploit spatial redundancy in video images. Because adjacent blocks usually have similar properties, the efficiency of the encoding process is improved by referring to the spatial correlation between adjacent blocks. The prediction target block can use this correlation based on the prediction mode used by the adjacent blocks.

[0056] For more efficient processing, or for other reasons, a digital image can be divided into blocks. like figure 1As shown, the target block "C" 12 may be adjacent to the adjoining block "A" 14 , which is directly above the target block "C" 12 . Another adjoining block "B" 16 is located dir...

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Abstract

Embodiments of the present invention relate to methods and systems for estimating a pixel prediction mode to be used in a video encoding or decoding process, for communicating pixel prediction modes between video encoders and decoders, and for ordering pixel intra-prediction modes.

Description

[0001] This application is a divisional application of: [0002] Application number: 03812403.3 (PCT / JP2003 / 006623) [0003] Application Date: May 27, 2003 [0004] Title of Invention: Method and System for Intra-Image Predictive Mode Estimation, Communication and Organization [0005] Related References [0006] This application claims the benefit of US Patent Application Serial No. 60 / 319,272, filed May 28, 2002, and US Patent Application Serial No. 60 / 319,390, filed July 11, 2002. technical field [0007] Embodiments of the invention relate to intra prediction of images. Background technique [0008] Digital video requires a large amount of data to represent each and all frames in a digital video sequence (eg, a sequence of frames) in an uncompressed manner. Due to bandwidth limitations, it is not feasible for most applications to transmit uncompressed digital video over computer networks. In addition, uncompressed digital video requires a lot of storage space. Digi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/154H04N19/196H04N19/105H04N19/176H04N19/60H04N19/103H04N19/593H04N19/11
Inventor 孙式军L·J·柯罗夫斯基
Owner SHARP KK
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