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High performance filtering has been in ever increasing demand for a range of applications, especially for real-time image/video processing. Guided image filter is one of the widely used image filters. Among them, the gradient domain guided image filter for edge-preserving smoothing and for mitigating the halo-artifacts problem existed in the current guided image filters is reported recently. Due to...
This paper presents an improved segmentation method for overlapped cell image. The method first implements multi-scale edge detection to the cell image, and distance transform is applied to get the pixel location, then the edge detection result and distance transform result are fused for watershed segmentation, and finally region merging is implemented to remove over-segmentation in the image. Experimental...
In this paper, based on the Xilinx XUP V5-LX110T board, a video post processing platform with a professional HDMI interface circuitry is designed and a novel de-interlacing algorithm is designed, which performs better than the industry leading algorithms as experimental results show. This platform is to verify our HD video post processing SOC chip which is under development.
This paper presents an improved watershed segmentation method based on multi-scale edge detection which is applied to cell image segmentation. First, advantage of using morphology for the edge detection is discussed, secondly, multi-scale edge detection method is constructed by the weighted combination of morphological operations. After using the multi-scale edge detection method, result is taken...
Edge detection is one of the fundamental issues of digital image, in this paper, mathematical morphology method and several classical edge detection operators are reviewed. This paper provides two methods: Canny operator and mathematical morphology, which summaries relatively good image edge detection methods, and provides a reference for some detection occasions where requires smaller edge width...
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