The contents in the paper include acoustic image preprocessing, feature extraction of texture and shape, and classifier design.

内容涉及声图像的预处理、纹理和形状特征的提取，以及分类器的设计等。

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The key technique include skin color detection, skin texture analysis, object area segmentation, image features extraction and the design of classifier.

肤色检测、皮肤的纹理分析检测、目标区域的分割、图像特征的提取、分类器的设计。

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The description and extraction of SAR image texture feature is important to texture segmentation.

SAR图像纹理特征的描述和提取是纹理分割的关键。

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