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This paper addresses the aesthetic enhancement of the vignetting effect in photographs to follow such effect organization in example paintings. The example painting is selected based on a comparison of the contextual geometry of the painting and the photograph. Then an algorithm is developed to transfer the lightness weighting extracted from an example painting to a photograph to create the painter-style...
An image segmentation approach based on independent component analysis and watershed algorithm is proposed to complement medical image segmentation efficiently. Considering that the noise, uniform gray intensity and many low contrast adjacent areas in the medical images may cause the images over-segmented when using the watershed algorithm, so that the independent component algorithm is applied to...
A novel video moving object segmentation algorithm based on spatio-temporal information is proposed in this paper. In temporal information extracting, the value of background noise variance is estimated by histogram fitting to overcome the shortcoming of setting the value by experience, then the significance test is applied to threshold the difference image and extract the moving areas, furthermore,...
Traditional watershed segmentation is sensitive to noise and can leads to serious over-segmentation. In order to overcome the shortcomings of traditional watershed segmentation, this paper presented an improved watershed image segmentation method. Firstly, the morphological opening/closing reconstruction filter is applied to remove the image noise. Secondly, multi-scale structure elements are used...
A novel algorithm for automatic moving object segmentation is proposed in this paper. The proposed segmentation system includes two main modules, moving object model locating and contour correction. In the former module, HOS (higher-order statistics) is used to automatically separate the moving areas from the background. Then the morphological filter is used to remove the noises and holes. Based on...
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