Motion image code controlling method and code device

A technology of moving image and coding control, which is applied in the directions of safety communication device, image data processing, program control design, etc., and can solve the problems of unencoded module processing capacity and the configuration of coding parameters in practical applications.

Active Publication Date: 2006-07-12
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem to be solved by the present invention is that in the prior art, it is impossible to adopt an appropr...

Method used

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  • Motion image code controlling method and code device
  • Motion image code controlling method and code device
  • Motion image code controlling method and code device

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Embodiment Construction

[0075] The compression coding of moving images can use a CPU or a DSP (Digital Signal Processor, Digital Signal Processor) as a processing unit to perform coding operations according to the device to which it is applied. A kind of hardware system structure example that the present invention is applied is such as figure 1 Shown, CA (Camera, camera head) gathers video signal, forms moving image data after analog-to-digital conversion (AD), is stored in SDRAM (Synchronous Dynamic Random Access Memory, Synchronous Dynamic Random Access Memory) by CPU / DSP moving image data; CPU / DSP compresses and codes the moving image data in SDRAM and outputs moving image compression data.

[0076] The processing unit usually encodes the moving image data according to MPEG (Moving Picture Expert Group) 4, H.263, H.264 and other standards. In various standard algorithms, different encoding parameters are suitable for different The movement modes of scenes and images also have different requiremen...

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PUM

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Abstract

Present invention discloses a method for movement image encoding control. It contains changing encoding parameter for adjusting said loading parameter as processing unit loading parameter exceeding restrict value. Present invention also discloses a movement image encoding image encoding device. Present invention can self adaptation regulate encoding algorithm according to video scene real-time information volume and processing unit practical processing ability, effectively utilizing processing unit calculating ability to ensure image quality.

Description

technical field [0001] The invention relates to the multimedia field of network and communication, in particular to a method and device for controlling moving image coding. Background technique [0002] With the development of multimedia communication technology, services such as video conferencing, IP videophone, and video surveillance are widely used in networks of various scales. Since the video service has a large amount of data and needs to occupy a considerable network bandwidth, video data compression and encoding occupies an important position in multimedia technology. [0003] In various video communication terminals and video surveillance terminals, input images need to be compressed and encoded. The encoding effect of the terminal on the input image directly affects the network transmission load and the quality of the image received by the receiving end. The number and scaling rate of motion estimation search modes used during encoding are important encoding par...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N7/50H04N7/173B41J2/525B41J29/46C07C67/52C07C67/54C07C69/82G01S1/02G01S5/02G01S5/06G01S5/12G01S19/27G02B7/02G02B26/10G03B5/00G03B7/093G03B11/00G03B17/02G03G15/00G03G15/01G04G7/02G06F1/04G06F1/16G06F3/00G06F3/12G06F3/14G06F9/46G06F9/50G06F11/00G06F11/10G06F13/00G06F13/12G06F13/36G06F13/362G06F15/00G06F15/16G06F15/173G06F21/24G06K9/00G06K9/62G06K17/00G06K19/00G06T1/00G06T3/00G06T9/00G08C19/16G09C1/00G09G1/16G09G1/28G09G3/02G09G5/00G09G5/02G09G5/36G09G5/397G10L19/00G11B20/10G11B20/14G11B20/18G11B20/22H01L27/00H01L27/14H01L27/146H01Q1/24H01Q21/24H03D7/00H03K3/356H03K5/13H03L7/091H03M7/30H03M13/00H03M13/03H03M13/13H03M13/23H03M13/27H03M13/29H04B1/16H04B1/26H04B1/707H04B7/005H04B7/185H04B7/24H04B7/26H04B14/00H04B17/00H04H60/72H04J1/00H04J3/06H04J13/00H04J13/16H04L1/00H04L1/18H04L7/00H04L9/08H04L9/10H04L9/14H04L9/28H04L9/32H04L12/08H04L12/16H04L12/28H04L12/417H04L12/46H04L12/54H04L25/02H04L25/03H04L25/49H04L25/497H04L27/02H04L27/10H04L27/156H04L27/18H04L27/34H04L47/2416H04L69/40H04M1/00H04M1/66H04M1/715H04M1/724H04M1/72415H04M1/73H04M3/00H04M3/16H04M3/22H04M3/42H04M11/00H04M11/06H04N1/028H04N1/031H04N1/191H04N1/46H04N1/56H04N1/60H04N5/04H04N5/073H04N5/12H04N5/225H04N5/232H04N5/262H04N5/272H04N5/335H04N5/367H04N5/38H04N5/44H04N5/455H04N5/46H04N5/60H04N5/64H04N5/66H04N5/74H04N5/76H04N5/765H04N5/775H04N5/85H04N5/907H04N5/91H04N5/92H04N7/01H04N7/015H04N7/08H04N7/14H04N7/16H04N7/24H04N7/52H04N9/31H04N9/64H04N9/79H04N9/804H04N11/20H04N17/00H04N19/00H04N19/105H04N19/132H04N19/172H04N19/196H04N21/41H04N21/414H04N21/426H04N21/438H04N101/00H04Q3/00H04R3/12H04W4/06H04W4/10H04W4/12H04W4/14H04W4/16H04W8/02H04W8/06H04W8/08H04W8/16H04W8/20H04W8/24H04W8/26H04W12/04H04W12/06H04W12/10H04W24/00H04W24/04H04W24/08H04W24/10H04W28/02H04W28/04H04W28/08H04W28/16H04W28/18H04W28/22H04W28/24H04W36/02H04W36/04H04W36/18H04W36/30H04W40/22H04W48/06H04W48/08H04W48/14H04W48/16H04W52/02H04W52/24H04W56/00H04W60/00H04W64/00H04W68/00H04W68/02H04W72/04H04W72/08H04W72/12H04W72/14H04W74/08H04W76/02H04W76/04H04W76/06H04W80/06H04W84/04H04W84/08H04W84/12H04W84/18H04W88/02H04W88/04H04W88/06H04W88/08H04W88/12H04W88/18H04W92/12
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Inventor 罗奇勇黄建强
Owner XINHUASAN INFORMATION TECH CO LTD
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