The existing color feature extraction methods include color histogram, accumulative color histogram, color moments.
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。
A new wood color feature extraction method combining image block theory was given on the basis of the previous studies.
该文借助知识理论，提出一种新的基于子图像块的区域分割与边缘检测相结合的目标提取方法。
Color space, color quantization and color feature extraction are the main techniques in image retrieval based on color feature.
基于颜色特征的图像检索技术主要包括颜色空间的选择、颜色量化方法及颜色特征的提取。
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