14a7c84fa56c32eb7f4bbe057ce118cbff6ce8fd,skvideo/measure/scene.py,,_scenedet_intensity,#,58

Before Change

    detected_scenes = [0]

    // grayscale
    luminancedata = rgb2gray(videodata)

    numFrames, height, width, channels = luminancedata.shape

    luminancedata = luminancedata[:, :, :, 0]

    for t in range(0, numFrames-1):
        hist1, bins = np.histogram(luminancedata[t], bins=256, range=(0, 255))
        hist2, bins = np.histogram(luminancedata[t+1], bins=256, range=(0, 255))

        hist1 = hist1.astype(np.float)
        hist2 = hist2.astype(np.float)

After Change

    numFrames, height, width, channels = videodata.shape

    for t in range(0, numFrames-1):
        frame0 = videodata[t].astype(np.float)
        frame1 = videodata[t+1].astype(np.float)

        delta = np.sum(np.abs(frame1 - frame0)/(height * width * channels))

Instances