Method and system for displaying vector image

An image display and vector technology, applied in the field of image processing, can solve the problems of time-consuming, image display speed reduction, waste of resources and time in blank areas, etc., to reduce the scanning of a large number of invalid pixels and improve the display speed.

Inactive Publication Date: 2014-02-05
GUANGDONG VTRON TECH CO LTD
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  • Claims
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Problems solved by technology

[0002] Since vector graphics are described by dotted lines, the display method of vector graphics in general practical applications is to scan the image based on parallel lines in the horizontal direction or vertical direction, and calculate the image elements through mathematical functions for display; Images with a large number of blank areas, the traditional method requires full image scanning, which wastes too much resources and time in the blank area
[0003] as for figure 1 An image of such a thin shell type shown in a, figure 1 b is the walking line filled for it. It can be seen from the figure that the inner box in the figure is a blank area. During the display process of the processed image, there are many invalid walking lines in this area. In the process of processing the image Taking too much time, causing the display of the image to slow down significantly

Method used

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  • Method and system for displaying vector image
  • Method and system for displaying vector image
  • Method and system for displaying vector image

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0021] Such as figure 2 As shown, it is a schematic flow chart of the vector image display method in an embodiment of the present invention, including:

[0022] S21. Converting the input vector image into a binary image;

[0023] Vector images use straight lines and curves to describe graphics. The elements of the image include points, lines, rectangles, polygons, circles, and arcs. When displaying images, they are calculated by mathematical formulas; binary images refer to images Each pixel in the digital image has only two possible values, generally 0 or 1, which is equivalent to a two-dimensional matrix composed of 0 and 1; in this step, the input vector image to be displayed is first converted into a binary image .

[0024] S22. Identify the target boundary in the bi...

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Abstract

The invention provides a method for displaying a vector image. The method for displaying the vector image comprises the steps of (1) converting the input vector image into a binary image; (2) identifying a target boundary in the binary image; (3) eroding the binary image by using the target boundary as the edge, and obtaining a filling area; (4) filling the filling area, and displaying the vector image. The invention further provides a system for displaying the vector image. The display speed of the vector image can be remarkably increased.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a vector image display filling method and a vector image display system. Background technique [0002] Since vector graphics are described by dotted lines, the display method of vector graphics in general practical applications is to scan the image based on parallel lines in the horizontal direction or vertical direction, and calculate the image elements through mathematical functions for display; For images with a large number of blank areas, traditional methods waste too much resources and time in blank areas due to the need for full image scanning. [0003] as for figure 1 An image of such a thin shell type shown in a, figure 1 b is the walking line filled for it. It can be seen from the figure that the inner box in the figure is a blank area. During the display process of the processed image, there are many invalid walking lines in this area. In the process of proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00G06T11/00
Inventor 梁为亮
Owner GUANGDONG VTRON TECH CO LTD
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