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In the paper, we proposed a coarse-to-fine scheme to automatically detect the regions of interest (ROIs) for digitized cadastral images in Taiwan. To consider some issues such as the skew effect, image quality, and noise in digitized cadastral images, the proposed scheme is composed of four parts: pre-processing, skew correction, noise reduction, and ROI localization. In the pre-processing, each cadastral...
In this paper, we propose a feature-based scheme for detecting different genres of video shot transitions based on spatio-temporal analysis and model parameter estimation. We use the histogram difference and a modified version of it to detect cuts and reduce the impact of fleeting lights. To deal with dissolves, a hybrid algorithm composed of adaptive thresholding, parameter calculation, and transition...
In this article, an efficient dissolve transition detection scheme was proposed. The proposed scheme is composed of adaptive thresholding, parameter calculation, and transition duration refinement. After adaptive thresholding, we coarsely find dissolve transition candidates. To identify dissolve transitions, a useful feature, model parameter, is extracted. Final, a transition duration refinement algorithm...
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