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Method and system for quickly modifying trapping direction

A trapping and fast technology, applied in the field of image processing, can solve the problems of long time, low efficiency, and cost, and achieve the effect of improving the efficiency of modification

Active Publication Date: 2013-04-17
FOUNDER INTERNATIONAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method takes a long time and has low efficiency. The present invention is just facing the defects in the prior art, and proposes a method and system for quickly modifying the trapping direction to improve the efficiency of multiple trappings.

Method used

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  • Method and system for quickly modifying trapping direction
  • Method and system for quickly modifying trapping direction

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] figure 1 A structural block diagram of a system for quickly modifying the trapping direction is shown in the present invention, the system includes a trapping path selection module 11, a reference boundary setting module 12 and a trapping module 13, wherein:

[0038] Trapping path selection module 11 is used to determine the initial trapping boundary and the terminal trapping boundary that need to modify the trapping direction in the image, and obtain the trapping boundary path according to the initial trapping boundary and the terminal trapping boundary; The print boundary path refers to the shortest path composed of the trap boundaries between the start trap boundary and the end trap boundary;

[0039] The reference boundary setting module 12 is used to set the reference trapping boundary and determine the reference trapping...

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Abstract

The invention discloses a method and a system for quickly modifying trapping direction. The method comprises the following steps of: firstly determining an initial trapping boundary and a final trapping boundary, of which the trapping direction is required to be modified, in an image; acquiring a trapping boundary path according to the initial trapping boundary and the final trapping boundary; setting a reference trapping boundary; determining a reference trapping color pair; next setting the trapping direction of the reference trapping boundary; and modifying the trapping direction for other trapping boundaries in the trapping boundary path according to the trapping direction of the reference trapping boundary and ink of the reference trapping color pair. According to the method and the system, quick modification for the trapping direction in the image can be realized, so that the efficiency for performing trapping for many times required by the image is increased.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method and system for quickly modifying the trapping direction. Background technique [0002] Trapping is also called trapping, also known as scaling, mainly to make up for the gap between two adjacent different colors caused by inaccurate printing overprint. When people face printed matter, they always feel that the dark color is closer to the human eye, while the light color is far away from the human eye. The dark color above remains unchanged to ensure that it does not affect the visual effect. The implementation of trapping should also follow certain principles. Generally, it is to expand the lower color but not the upper color, expand the light color but not the dark color, and expand the flat screen instead of the solid field. Sometimes mutual expansion can be carried out, and in special cases, reverse trapping is required, and even a gap is added between two adjacent c...

Claims

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Application Information

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IPC IPC(8): H04N1/54
Inventor 张琴郭海尹慧
Owner FOUNDER INTERNATIONAL CO LTD