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Automatic image color coordinating method and system thereof

An automatic, image technology, applied in image enhancement, image data processing, instruments, etc., can solve problems such as poor processing results, achieve accurate results, high robustness, and prevent spatial discontinuity.

Inactive Publication Date: 2012-11-07
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the calculation speed is improved, as the author pointed out in the article, these modifications make the final processing results worse than Daniel Cohen's method

Method used

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  • Automatic image color coordinating method and system thereof
  • Automatic image color coordinating method and system thereof
  • Automatic image color coordinating method and system thereof

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Embodiment Construction

[0046] Step 2, obtain the matching coordinated color template;

[0047] According to the chromaticity histogram, a matching coordinated color template is obtained. For each template, after rotating it by a certain angle, compare it with the chromaticity histogram hist_h, and find out the template with the best matching degree as the coordinated color template.

[0048] Preferably, a relative distance is defined to measure the matching degree:

[0049] F ( T ( n , θ ) ) = Σ i hist _ h ( i ) · T ( n , θ , ...

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Abstract

The invention provides an automatic image color coordinating method and a system thereof, which can accurately find out coordinated color templates matching with to-be-processed images when in image color coordination and guarantee space continuity among image pixels. The automatic image color method includes acquiring matching coordinated color templates according to an image chrominance statistical histogram, constructing pixel intensity matrix, constructing coordinating processing equation, solving the equation to obtain colorimetric values of the images after image color coordinating process, and finally expanding the colorimetric values of the given pixels to the total image. The automatic image color coordinating method and the system thereof take space continuity among pixels into consideration sufficiently and enable image color coordination results to be better meet requirements of people.

Description

technical field [0001] The invention relates to the technical fields of digital image processing and computer vision, in particular to an automatic image color coordination method and system. Background technique [0002] From an aesthetic point of view, the so-called coordinated color (hereinafter referred to as coordinated color) refers to a set of colors that can visually give people a sense of beauty. This group of colors is not composed of specific colors, but determined by their relative positional relationship in the color space. [0003] There are many definitions of coordinated colors, but the most widely used one is the color wheel model proposed by Matsuda in the document "Color design" in 1995. In this document, the author defines the hue as a ring, and the hue of the coordinated color is defined as 8 templates composed of fans of different sizes, which are i-type templates, V-type templates, L-type templates, and I-type templates. , T-type template, Y-type tem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/40
Inventor 苗振江唐振万艳丽
Owner BEIJING JIAOTONG UNIV
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