The histogram is in digital image processing used to indicate the intensity of colors with the help of graph as follows
Take a look of following image and related histogram gram. You can find that middle part of the graph has higher value because of the mention image color intensity is higher in mid portion.
Application of histogram in digital image processing
- Adjust the breathiness of an image
- Making an image contrast portion high
- equalize an image.
- histogram has wide use in thresholding