rgbhistogram.py 文件源码

def describe(self, image):
        # Compute a 3D histogram in the RGB colorspace and normalize.
        hist = cv2.calcHist([image], [0, 1, 2],
            None, self.bins, [0, 256, 0, 256, 0, 256])
        hist = cv2.normalize(hist, hist)

        # Return the 3D histogram output as a flattened array.
        return hist.flatten()