Real-time High Dynamic Range Image-based Lighting

In this work we present a real time method of lighting virtual objects using measured scene radiance. To compute the il-lumination of CG objects inserted in a virtual environment, the method uses previously generated high dynamic range (HDR) image-based lighting information of the scene, and performs all calculations in graphics hardware to achieve real-time performance. This work is not intended to be a breakthrough in real-time processing or in HDR image-based lighting (IBL) of CG objects, but still we expect to provide the reader with the overall IBL technique knowledge up-to-date, an in-depth understanding of the HDR rendering (HDRR) pipeline in current graphics cards ’ hardware, and interesting images ’ post-effects which deliver higher realism for the scene final viewer