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Apparatus and method for processing image

An image processing equipment, image frame technology, applied in image communication, digital video signal modification, electrical components and other directions, can solve the problem of long output string length, long processing time, etc.

Inactive Publication Date: 2015-05-20
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Generally, when binary strings are compressed based on a variable length encoding scheme, it takes longer processing time and the length of the output string becomes longer

Method used

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  • Apparatus and method for processing image
  • Apparatus and method for processing image
  • Apparatus and method for processing image

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Embodiment Construction

[0040] Hereinafter, various embodiments of the present invention will be described in more detail with reference to the accompanying drawings. It should be noted that throughout the drawings, the same components in the drawings are denoted by the same reference numerals. In the following description of the present invention, detailed descriptions of known functions and configurations will be omitted when they may make the subject matter of the present application unclear when introduced herein.

[0041] Typically, an image processing device specifies a single compression rate for a single image frame, so it uses the same compression rate (i.e., the ratio of the number of input bits to the number of output bits) to have high image quality (and / or high compression performance) and rows with relatively low image quality (and / or relatively low compression performance) are compressed. That is, when assuming that a line with high image quality and a line with relatively low image q...

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Abstract

An image processing device and method for an image processing device to compress, for each line, an image frame formed of a plurality of lines are provided. The method according to the present application may comprise: an image quality of each line forming a single image frame is predicted, a compression rate of each line is independently determined so as to obtain the image quality predicted for each line, and an image data of a predetermined line of the single image frame is compressed by using a compression rate independently determined for the predetermined line.

Description

technical field [0001] The present invention generally relates to image processing apparatus and methods for compressing and decompressing image data. Background technique [0002] In addition to personal terminals that process large amounts of information at high speed, broadband communication services for rapidly transmitting information are developing rapidly. A more attractive technology is compression technology for processing media information including voice and images. Compression techniques are encoding techniques used to reduce the amount of information. A typical example of an encoding technique is a moving picture compression encoding technique for compressing moving picture data. [0003] For example, moving picture compression coding technology (such as H.264 / AVC) is a standard developed by the International Telecommunication Union-Telecommunications Standardization Sector (ITU-T) for moving picture compression coding. [0004] In general, most electronic de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/61H04N19/63H04N19/152H04N19/115H04N19/184
CPCH04N19/115H04N19/136H04N19/154H04N19/174H04N19/63H04N19/00
Inventor 赵宰宪斯瑞哈莎·卡特玛奈尼李龙晚赵成大
Owner SAMSUNG ELECTRONICS CO LTD