Passive non-line-of-sight (NLOS) imaging has witnessed rapid development in
recent years, due to its ability to image objects that are out of sight. The
light transport condition plays an important role in this task since changing
the conditions will lead to different imaging models. E
该论文提出了一种新的框架,使用虚拟成像系统来估算非直视成像场景下的光传输矩阵(Light transport matrix),克服了非直视成像装置的开口角限制,并且通过该光传输矩阵可以实现对隐蔽场景中某些特定位置(indirect illumination)的再照明以及直接、一阶和更高阶间接光照明(illumination)的分离,类似于现有的直视成像技术。