短語詞組短語Feature Words Extraction 特征詞抽取Feature Point Extraction 特征點提取feature detection extraction 特征抽取feature parameter extraction 特征參數(shù)的提取Feature image extraction 特征圖像提取feature vector extraction 特征向量抽取Feature Point Extraction module 特征點提取模塊Feature corner extraction 特征角點提取 返回 feature extraction