首先从三维物体的二维视图中提取颜色矩、纹理特征和仿射不变矩。
First we extract color moments, texture features and affine invariant moments from the 2D view images of 3D objects.
传统的颜色特征提取方法主要包括颜色直方图、累积直方图、颜色矩等。
The existing color feature extraction methods include color histogram, accumulative color histogram, color moments.
对预处理后的木材图像分别用颜色直方图法、颜色矩法提取了木材表面的颜色特征。
The wood surface color characters of wood images after preprocessing are abstracted with the methods of color histogram and color matrix.
对于颜色特征，计算图像颜色的局部累加直方图，同时提取分块的颜色矩弥补其不包含颜色空间分布关系的缺点。
To represent color feature, local color cumulative histogram is computed, we also extract the color moments of partitions to solve the problem of lacking the spatial knowledge.
对于颜色特征，计算图像颜色的局部累加直方图，同时提取分块的颜色矩弥补其不包含颜色空间分布关系的缺点。
To represent color feature, local color cumulative histogram is computed, we also extract the color moments of partitions to solve the problem of lacking the spatial knowledge.
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