Photon mapping made easy
Tin-Tin Yu, John L. Lowther, Ching-Kuang Shene · ACM SIGCSE Bulletin · 2005
This paper presents the authors' introduction of photon mapping in an undergraduate computer graphics course, Software was designed as a pedagogical and demonstration tool which permitted students to practice and learn photon mapping. Classroom experience and examples that illustrate soft shadows, color bleeding, indirect illumination and caustic are also discussed.