Color rendition authenticity precision detection method
A precision detection and authenticity technology, applied in color TV, color TV parts, color signal processing circuit, etc., can solve the problem that the authenticity of texture color restoration cannot be guaranteed, and achieve the improvement of color difference value and color restoration degree Effect
Pending Publication Date: 2021-12-31
苏州市测绘院有限责任公司
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[0005] For this reason, the embodiment of the present invention provides a color restoration authenticity accuracy detection method to solve the problem in the prior art that the authenticity of texture color restoration cannot be guaranteed due to the absence of a detection method for color restoration degree
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[0050] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0051] In order to solve the related technical problems existing in the prior art, the embodiment of the present application provides a color restoration authenticity accuracy detection method, which aims to solve the existing problems that the authenticity of the texture color restoration cannot be guaranteed, and realize accurate and intuitive See how color cards restore the authenticity and ac...
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The embodiment of the invention discloses a color rendition authenticity precision detection method, and belongs to the technical field of color rendition detection, and the method comprises the steps: S1, shooting a template photo and a photo to be toned; S2, obtaining a standard color card; S3, obtaining an L theory, a theory a and a theory b of a detection color block in the standard color card; S4, obtaining L measurement, a measurement and b measurement of the photo to be toned before toning; S5, obtaining L correction, a correction and b correction of the photo to be toned after toning; S6, calculating a color difference value of the detected color blocks of the to-be-toned picture before and after and S7, calculating the color rendition degree of the to-be-toned photo before and after color matching of the detected color blocks. According to the method, the to-be-toned photo and the template photo are utilized, the color difference value and the color rendition degree before and after toning are compared, the to-be-toned photo rendited by the standard color card can be accurately and visually seen, the color difference value and the color rendition degree of the to-be-toned photo rendited by the standard color card are improved, and the color of the to-be-toned photo rendited by the standard color card is closer to a true value.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of color restoration detection, and in particular to a method for detecting the accuracy of color restoration authenticity. Background technique [0002] Color is a very important attribute information for Zijinan clay sculpture Luohan, and the link of color restoration is also very important in the data collection work. In Zijin Nunnery’s clay sculpture painted Luohan precision 3D digital construction project, the texture photos of Buddha statues are collected through the combination of cameras and lenses. The principle of color restoration of images needs to be realized through multiple procedures such as shooting, storage, and processing with the help of cameras and color cards. The focus of the research is on the "surface style" of the painted Luohan, that is, to ensure the true and complete restoration of the texture and color. [0003] The means of color restoration with the ...
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IPC IPC(8): H04N9/64H04N17/00
CPCH04N9/646H04N17/00
Inventor 王建辉吕志才王斌王敏刘闯
Owner 苏州市测绘院有限责任公司