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The principle of Support Vector Machine based on spot is to choose an appropriate scale to split the image into a series of segmentation, according to certain strategy using spectral information. And this principle ensures the spectral features of the majority of patch pixel similar. This method gathers statistics of each pixel value in the spot and obtains the mean value of each band to replace the...
Edge detection has been one of the most important techniques in image processing. In this paper, an improved algorithm for sub-pixel edge detection is proposed for the disadvantages of traditional edge detections and sub-pixel edge detections, which is used in the measurement of spring length. Firstly, the mathematical morphology is used to abstract the pixel level edge of spring images, which can...
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