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Trap printing method and apparatus thereof

A technology of trapping and spatial position, applied in the direction of image communication, electrical components, etc., can solve problems such as low efficiency, and achieve the effect of overcoming low efficiency and fast trapping

Active Publication Date: 2012-05-16
新方正控股发展有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to provide a trapping method and device to at least solve the problem of low efficiency in the above-mentioned prior art

Method used

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  • Trap printing method and apparatus thereof
  • Trap printing method and apparatus thereof
  • Trap printing method and apparatus thereof

Examples

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Embodiment Construction

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0021] figure 1 A schematic diagram showing a trapping process in the related art, including:

[0022] Step S10, obtaining the object list by parsing the page file;

[0023] Step S20, identifying primitive objects whose spatial positions are independent of each other from the object list;

[0024] Step S30, determine the trapping position and trapping color according to the adjacent relationship and color difference between independent primitive objects.

[0025] The existing technology converts the page file into a raster file and then traps, which leads to low efficiency. However, this trapping method overcomes the existing technology by converting the page file into a raster because the trapping of the primitive object is realized at the object level. The problem of low efficiency caused by re-trapping of files has achieved the...

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Abstract

The invention provides a trap printing method which comprises the following steps: acquiring an object list through parsing a page file; identifying primitive objects with mutually independent space positions from the object list; according to an adjacency relation and color difference between independent primitive objects, determining a trap printing position and a trap printing color. The invention also provides a trap printing apparatus which comprises an acquisition module used for acquiring the object list through parsing the page file, an identification module used for identifying primitive objects with mutually independent space positions from the object list and a trap printing module used for determining the trap printing position and the trap printing color according to the adjacency relation and color difference between the independent primitive objects. According to the method and the apparatus in the invention, an effect of rapid trap printing is realized.

Description

technical field [0001] The present invention relates to the field of printing, in particular to the field of digital image processing, and more specifically, to a trapping method and device. Background technique [0002] Trapping, also known as trapping, is a process for avoiding printed matter leaking due to misregistration during the printing process. The basic principle is that, in a spatial position, if there is a large contrast between the colors on the adjacent two sides, it is easy to have white leakage when the overprint is inaccurate, so when a large contrast is detected on the adjacent two sides, the The spatial position adds additional color fills based on the color values ​​on both sides to ensure that there is no large color contrast between the two sides. [0003] like figure 1 The color of area a shown is (100, 0, 0, 0), and the color of area b is (0, 100, 0, 0). The color contrast between area a and area b is very large. When the overprint is not accurate,...

Claims

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Application Information

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IPC IPC(8): H04N1/58
Inventor 林好黄耿琳唐宇
Owner 新方正控股发展有限责任公司
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