Photon flow: A three-dimensional expression of the light field using volume photon mapping.Published in:Lighting Research & Technology, 2023, v. 55, n. 3, p. 300, doi. 10.1177/14771535221145672By:Yoshizawa, N;Schregle, R;Komazawa, K;Ootori, K;Okamoto, TPublication type:Article