A bright image will have what kind of histogram, when the histogram, h(rk) = nk, rk the kth gray level and nk total pixels with gray level rk, is plotted nk versus rk?
- The histogram that are concentrated on the dark side of gray scale
- The histogram whose component are biased toward high side of gray scale
- The histogram that is narrow and centered toward the middle of gray scale
- The histogram that covers wide range of gray scale and the distribution of pixel is approximately uniform