Method for transferring data of vector graphics

A data transmission method, vector graphics technology, applied in the field of electronic communication, to achieve the effect of increasing flexibility and improving interactivity

Inactive Publication Date: 2009-09-02
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, there is a bottleneck problem in the transmission of vector image data in the home network media service, and the problem is still unsolved

Method used

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  • Method for transferring data of vector graphics
  • Method for transferring data of vector graphics

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the drawings and embodiments.

[0027] Such as figure 1 Shown is a schematic diagram of the principle of the method of the present invention. The specific steps of the method of the present invention are as follows:

[0028] (1) The client sends a request for vector graphics data access through the Internet.

[0029] (2) The server preprocesses the vector graphics data.

[0030] After the client sends a request, the server-side database first processes the vector image data as follows according to the client's request:

[0031] a. The client sends an access request to vector graphics data through the Internet

[0032] The description of vector graphics data in the present invention adopts a method combining space domain and time domain, and includes two aspects when processing data. When describing a vector object, go deep into the vector object and describe it from the frequency domain and the spati...

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Abstract

The invention discloses an adaptive vector graphic data transmission method, which belongs to the field of electronic communication technology and relates to graphic data transmission and compression technology. The steps of the method of the invention are as follows: a. the client sends an access request to the vector graphics data through the Internet; b. the server side preprocesses the vector graphics data; c. transmits the vector graphics data through the Internet. The method of the invention can meet the needs of vector graphic transmission in digital home multimedia, form an efficient progressive compression format, and provide a method for further designing vector data stream service in digital home.

Description

Technical field [0001] The invention belongs to the field of electronic communication technology, and specifically relates to a vector graphic data transmission method used in digital home multimedia. Background technique [0002] Vector graphics data structure is a main representation method of spatial data structure. Vector graphics data is an ordered collection of the plane coordinates (X, Y) of each discrete point representing the graphics. It is mainly used to represent the relationship between the geometric data of the graphic elements and the relationship with the attribute data. It is more structured than the raster data. Can accurately determine the physical location in space. Because vector graphics data has the characteristics of complex structure, large amount of data, large amount of operation and calculation, scale effect, irregularity, discontinuous features, and difficulty in data extraction, the transmission of vector graphics data is different from traditional d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/24H04N7/173G06K9/36
Inventor 潘君罗笑南
Owner SUN YAT SEN UNIV
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