In this paper, an image multiscale edges extraction algorithm based on wavelet is presented.
本文给出一种基于子波变换的图象多尺度边缘提取方法。
Image multiscale edges are important features for image representation. It has been used in image processing and computer vision.
图象多尺度边缘是图象的重要特征，已广泛应用于图象处理和计算机视觉等多个领域。
From multiscale edges detection, the conclusion is drawn that in certain scale, circular defect is considered as crest edge in two directions, and bar defect in one direction.
从多尺度边缘检测的角度分析得出：在一定尺度下，圆形缺陷在两个方向上都看作是屋脊边缘，而条形缺陷只在一个方向上被看作是屋脊边缘。
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