Based on a lot of experiments, using technology of image processing and pattern recognition, the Interface extraction theory and methods of automatic foamed dreg were investigated.

本文通过大量的实验，综合运用图像处理和模式识别技术，深入、系统的研究了自动识别的理论和技术。

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Automatic seal identification belongs to pattern recognition domain and includes seal segmentation, seal registration, feature extraction and feature identification these steps.

印章自动鉴定属于图像模式识别领域，其主要分为印文分割、印文配准、特征提取及特征识别几个步骤。

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Due to the characteristics of the underwater image, the ATR (automatic target recognition) included image collection, image processing, feature extraction, pattern recognition.

根据水下图像的特点，目标识别系统包括：图像采集，图像处理，图像特征提取，根据特征进行目标识别。

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