Abstract
The phenomenon of mutual reflection is often seen in our every day lives. When two objects are placed closely, the influence of mutual reflection can be observed between the two objects. This phenomenon causes a problem in the fields of computer vision and image processing because it changes appearance of the scene. This paper describes the spectral analysis of mutual reflection between two surfaces with perfect diffuse reflection. We model the physical phenomenon of multiple reflections of light between two surfaces. We use the spectral imaging system consisting of a multi-band camera. First, we observe the spectral reflectances with the influence of the mutual reflection, and estimate the original spectral reflectances inherent to the object surfaces. Next, we extend the radiosity algorithm to the spectral version and render images of diffuse mutual reflection based on the estimates of the inherent spectral reflectances.
