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In this paper, the authors describe on a method of object identification by verification of Hough data. In this study, for corresponding to three-dimensional change of camera, we pay attention to the distribution pattern of Hough data. A positional relationship of the peaks as Hough data shows tendency to be kept, in case of camera shooting condition change. Using a characteristic of Hough data, it...
Steel industry requires high quality controls to ensure certain requirements of the final products. In on-line inspection applications for long steel products, a camera is usually placed in the top, in order to view a portion of the product while it passes under the sensor in a roll table. The high relation between the length of the steel product and the necessary resolution to carry out these quality...
Images produced with catadioptric sensors contain a significant amount of radial distortions and variation in inherent scale. Direct application of conventional methods of image processing without considering the mirror anamorphosis yields erroneous issues. Examples of such applications are those based on the pixel neighborhood: one can mention image derivation, image convolution or image matching...
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