To describe contours in digital space and simplify the presentation of computer graphics, a wavelet descriptor is presented, which is suitable for contours constructed with a set of points.
为了描述数字空间目标轮廓，便于计算机图形表达，提出一种适于描述序列点轮廓的小波描述子。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数，纹理特征则采用高频部分的能量比值。
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