先随便节录三篇关于白平衡书籍、论文中关于白平衡作用的叙述
Mathematically, we would thus expect the color stimulus of the same object to
be different under different lighting conditions. However,our experience
seems to the contrary: the same object appears to be of the same color even
under different illuminations.
This is known as color constancy. It is also known that the human visual
system corrects for the prevailing scene illumination [9], [10].
However, for digital cameras, this is a challenging engineering problem
<Challenges in Automatic White Balancing>
- Automatic White Balancing in Digital Photography http://goo.gl/I07BX7