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, and achieve the effects of accurate results, prevention of spatial discontinuity, and high robustness

Inactive Publication Date: 2010-04-14
BEIJING JIAOTONG UNIV
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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

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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

[0044] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] refer to figure 2 , shows a flowchart of an automatic image color coordination method according to the present invention.

[0046] Step 1, statistical image chromaticity histogram;

[0047] Convert the image to the HSV color space, and count the chromaticity histogram hist_h of the chromaticity image of the H channel.

[0048] Among them, HSV refers to: Hue, Saturation, and Value. The representation of HSV space comes from RGB, and RGB refers to: Red (Red), Green (Green), and Blue (Blue). The H parameter represents chromaticity information, that is, the position of the spectral color. This parameter is represented by an angle, and red, green, and blue are separated by 120 degrees. Complementary colors are 180 degrees ...

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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...

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Application Information

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