width = 480
original_width = image.shape[1]

if original_width != width:
    ratio_resize = int(width / original_width)
    height = (image.shape[0] * ratio_resize) #get the height respecting the ratio
    dim = (width, height) #new dimensions
    resized = cv2.resize(image, dim)
    print("resized dimenson:", resized.shape)