Remote display processing method based on server end/client end structure

一种远程显示、处理方法的技术，应用在基于服务器\客户端结构远程显示处理领域，能够解决CPU资源占用很大、压缩和解压速度影响、系统资源消耗严重等问题，达到降低资源占用率、缩速度提高、降低系统资源占用率的效果

Active Publication Date: 2005-11-09
GUANGDONG VTRON TECH CO LTD
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AI Technical Summary

Problems solved by technology

If an image is composed of many large areas with the same color, the compression efficiency of this method will be amazing. However, this algorithm has a fatal flaw: if the colors of every two adjacent points in the image are different, then The amount of data will double
At the same time, he adopted the idea of ​​dictionary compression algorithm, which not only compresses data values, but also compresses value sequences. This algorithm can achieve a higher compression ratio, but the algorithm is too complicated, and the compression and decompression speed will be greatly affected.
MPEG compression technology is also mainly a compression algorithm designed to improve data transmission in a narrowband environment. It includes intra-frame compression and inter-frame compression. The intra-frame compression algorithm is based on DCT coding technology, and the inter-frame compression algorithm uses prediction methods. , Compensation method and motion compensation method and other technologies; MPEG algorithm is relatively complex, which is very effective for narrowband transmission, but the result of complex calculation is that the CPU resource is very large and the system resource consumption is serious.

Method used

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  • Remote display processing method based on server end/client end structure

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Embodiment Construction

[0017] 1. The desktop signal is 1024×768 (16-bit color), and an image is taken out as the original frame;

[0018] 2. The display driver applies to the system to divide a continuous area in the memory into three blocks. The size of the continuous area is about 6 megabytes (of which 1.5 megabytes are used to store the current frame data, and the other 1.5 megabytes are used to store the previous frame. data, and the remaining 4 megabytes are used to store the data that needs to be transmitted)

[0019] 3. Start the one-to-one pixel comparison between the previous frame and the current frame and the adjacent pixel comparison in the current frame, and complete the data acquisition compression encoding;

[0020] 4. The data acquisition compression coding method is as follows: A), in the comparison process, increase the judgment value to judge whether there is a change between frames, whether it is all black or all white and not all black or all white data, whether it is independen...

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Abstract

This invention disclosesd a kind of remote display processing method based on server / client. On the server end, it adopts the especial increment compress scheme among frames and gives up the complicated calculation way in the traditional scheme compress among frames. On the client end, it adopts the way of increment refreshing to show pictures, only refreshes the metabolic parts, change part, refresh part. It can improve the refreshing speed of long distance desktop greatly, while reducing the resource occupancy factor.

Description

technical field [0001] The invention relates to a computer display processing method, in particular to a remote display processing method based on a server / client structure. Background technique [0002] The existing remote control display technology generally adopts the structure of Server\Client. The server side is mainly used to collect image signals, judge the changes of the signals, compress and then transmit them. Because it is mainly aimed at computer images on the Internet The control display of the control shows that the compression method adopted is generally lossless compression. Considering the limitation of transmission bandwidth on the Internet, the main purpose is to improve the compression ratio; the current lossless compression encoding methods of images mainly include the following types: run-length encoding technology, huffman coding compression technology, dictionary compression technology, arithmetic compression technology, MPEG compression technology (l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14G06F3/153H04N7/173H04N7/36H04N19/00H04N19/102H04N19/134H04N19/136H04N19/137H04N19/196H04N19/423H04N19/46H04N19/503H04N19/593H04N19/65H04N19/70H04N19/91H04N19/93H04N21/2383H04N21/262H04N21/41
CPCG09G2310/04G06F3/1462G09G2360/18G06F3/1415H04N19/00581H04N19/507
Inventor 卢如西潘远雄白宝国
Owner GUANGDONG VTRON TECH CO LTD
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