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Research and Implementation of dynamic surface details of the transfer

Author: LinFei
Tutor: ZhangXiuRu
School: Central South University
Course: Computer technology
Keywords: Geometric detail Get rid of spots Transfer of surface detail Image Enhancement
CLC: TP391.7
Type: Master's thesis
Year: 2005
Downloads: 14
Quote: 0
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Abstract


Image-based surface detail transfer is only two-dimensional image obtained from one surface to the geometric details to be transferred to another surface, resulting in an increase in the geometric details of the new surface technology. In order to improve the efficiency of this technology computer processing and make the technology more perfect, intelligent, proposed a dynamic surface details of the transfer of new technologies. The complexity of the calculation of this new technology has a characteristic dependent on the resolution of the image. Result, this technology enables high-speed transfer the geometric detail of the high-resolution digital image, but also can reduce the burden of the smoothing parameter designated by the user on a different resolution or different shape and size of images to make the system more intelligent and easier to use. Has proven to be an effective to get rid of the spots technology transfer image-based surface detail. However, based on the details of the surface of the image transfer techniques used to transfer from one image to another image of geometric detail, or is used to get rid of a single image spots, require the user to specify a Gaussian smoothing parameter sigma sigma size ranging OK but depends on the visual observation of the users of the model of geometric detail. Get rid of spots, visual analysis like spots the size of the judgment. Visual-perceptual analysis of visual data accuracy and effectiveness will significantly reduce the visual observation alone is difficult to accurately determine the size of the spots selected different sigma values, the user had to try it with visual effect to get rid of spots. The same time, each time a user changes the value of σ, Gaussian smoothing applied to the entire image. For a high-resolution image must be very time-consuming. In contrast, this technique does not require the user to specify the value of sigma parameter but dynamically determined in an automated manner based on the size of the spot the Gaussian smoothing horizontal and vertical direction parameter sigma 1 , sigma 2 In addition, the smoothing processing only the details of the transfer region, thereby eliminating the time-consuming operation because of the smoothness of the entire image. Transfer of technology from the image-based surface detail transfer of development from the dynamic surface details. This technology significantly simplifies the computational complexity, and get rid of the spots have a more automatic and resolution-independent manner. Dynamic surface details of the transfer of technology to technology transfer image-based surface detail a very important step to move forward, to make a valuable contribution to the study of image enhancement, has opened up new attractive research direction in this area .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Machine-assisted technology
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