What function does AWB perform in camera technology?

The function that AWB performs in camera technology is Automatic White Balance. This feature is essential for ensuring that the colors in photographs appear natural and accurate under varying lighting conditions. Different light sources can emit different color temperatures, which can lead to color casts in images. Automatic White Balance helps to adjust the camera settings so that white objects appear neutral, allowing other colors in the scene to be rendered correctly as well.

For instance, in a scene lit by incandescent bulbs, which tend to produce a warm yellow light, Automatic White Balance will adjust the color balance to compensate for this warmth, ensuring that whites and other colors appear true to life. This is crucial for photographers who want to maintain the integrity of colors without needing to make adjustments during post-processing.

Understanding this function can significantly enhance the quality of images captured with a camera, as it provides users with a more accurate representation of the scene as perceived by the human eye.