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In this paper, first, a new Laplacian kernel is developed to integrate into it the anisotropic behavior to control the process of forward diffusion in horizontal and vertical directions. It is shown that, although the new kernel reduces the process of edge distortion, it nonetheless produces artifacts in the processed image. After examining the source of this problem, an analytical scheme is devised...
Edge detection plays a critical role in image processing. The performance of an edge detection algorithm can be affected by serious noise & intensity inhomogeneities. In this paper, a method aiming at detecting edge of image with varieties of gradient signal degradation is proposed. The method comprises two steps. The first step is to perform adaptive histogram equalization to improve the signal...
In this paper, a new iterative process for current division is presented and a circuit implementing the process proposed. In this process, each iteration consists of two phases and each phase involves only one signal sampling. By means of this process, the accuracy of the current division is made insensitive to the device mismatch. The circuit implementing the process is simple and the step of adjustment...
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