Search
Menu
Gentec Electro-Optics Inc   - Measure With Gentec Accuracy LB
Photonics Dictionary

contrast

The apparent difference in brightness between light and dark areas of an image. For a light target against a dark background, contrast is computed as follows:


where Lt is the luminance of the target and Lb is the luminance of the background.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.