Su, Y.-J.Y.-J.SuYUNG-YU CHUANG2020-05-042020-05-042013https://scholars.lib.ntu.edu.tw/handle/123456789/490689Gradient-free visualization with multiple light approximationsconference paper10.3233/978-1-61499-209-7-417https://www.scopus.com/inward/record.uri?eid=2-s2.0-84879528746&doi=10.3233%2f978-1-61499-209-7-417&partnerID=40&md5=64165572d280ccf4e2b45b4fd0a84588