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Color space conversion is the core issue in color management. Printers and Image setter express color with CMYK space. But if color is edited and corrected in the CMYK space, it will cause a greater loss of color, and the Computing of computer will also be slowed down. So it often needs to be converted to a LAB uniform color space. Among the previous(More)
Teaching evaluation is a difficult task because of the difficulty of transforming teaching behavior into a quantitative problem. In this paper, an improved classification algorithm is proposed into the field of teaching evaluation by contrast with the traditional methods. Firstly, the key concepts of algorithms using in teaching evaluation are introduced,(More)
This article analyzes the existing process problem on archiving the measuring instruments which have gone through compulsory examination in China. The system archives data online intelligently, shares data with the Measurement and Technology Agency, updates automatically at pre-determined intervals, dynamic and real-time monitoring by the Quality(More)
Color space conversion has become a very important role in the image acquisition, display and the transmission of the color information in the replication. Printers and Image setter express color by CMYK space. But if color is edited and corrected in the CMYK space, it will cause a greater loss of color, and the Computing of computer will also be slowed(More)
In the application of engineering technology, a certain number of disturbed observation points with errors are often used to fit a plane circle. Considering the distribution characteristics of these points, two kinds of models are presented in this paper: an unconstrained non-linear least square model and a non-linear least square model constrained by the(More)
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