9332a1dd29b5aefb82d7c15e79e73908d5c09fee,mmcv/image/transforms/normalize.py,,imnormalize,#Any#Any#Any#Any#,6

Before Change

def imnormalize(img, mean, std, to_rgb=True):
    img = np.float32(img) if img.dtype != np.float32 else img.copy()
    mean = np.float64(mean.reshape(1, -1))
    stdinv = 1 / np.float64(std.reshape(1, -1))
    if to_rgb:
        cv2.cvtColor(img, cv2.COLOR_BGR2RGB, img)  // inplace
    cv2.subtract(img, mean, img)  // inplace
    cv2.multiply(img, stdinv, img)  // inplace
    return img

After Change

        ndarray: The normalized image.
    
    img = np.float32(img) if img.dtype != np.float32 else img.copy()
    return imnormalize_(img, mean, std, to_rgb)


def imnormalize_(img, mean, std, to_rgb=True):
    Inplace normalize an image with mean and std.

Instances