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In this paper, a novel explicit image filter, called Guided Gabor filter, is proposed to extract the finger vein pattern without any segmentation processing, and lower performance reduction for poor quality images which result from low contrast, illumination, or noise effects, etc. The proposed filter is contributed for finger vein enhancement, noise reduction, and haze removal without being affected...
Mumford–Shah piecewise smooth functional is a variational PDE model widely used in image segmentation and smoothing. An analogous discrete model which models image as an MRF has also been built. In this paper, we propose another discrete Mumford–Shah piecewise smooth model on lattice from a different perspective. We present a discrete objective functional, as well as the method to find the solution...
Under the influence of the lighting condition and some character of water media, the underwater images have low contrast, unbalance gray scales, fuzzy edge of objects and large quantity of noise which will appear with the movement of vehicle. For the mentioned factors, when traditional methods are used to dispose underwater images, the regions of objects cannot be located exactly, details of objects...
Playing the role of removing temporal correlation in video signals, motion-compensated prediction aims at the ideal prediction and eliminates the compensation. However, the block-based video coding infrastructure at present was not competent in exactly present the various shapes of moving objects in actual video. Contrast to that, an exact segmentation of coding area according to the actual moving...
Mumford-Shah piecewise smooth functional is a variational PDE model widely used in image segmentation and smoothing. An analogous discrete model which models image as an MRF has also been built. In this paper, we propose another discrete Mumford-Shah piecewise smooth model on lattice from a different perspective. We present a discrete objective functional, as well as the method to find the solution...
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