descriptor.py 文件源码

def describe(self, images):
        features = []
        for image in images:
            feature_vector = feature.hog(image, 
                                   orientations=self._orientations, 
                                   pixels_per_cell=self._pixels_per_cell,
                                   cells_per_block=self._cells_per_block, 
                                   transform_sqrt=True)
            features.append(feature_vector)
        features = np.array(features)
        return features