Wenyuan Zhang Kanle Shi Yu-Shen Liu Zhizhong Han Learning Unsigned Distance Functions from Multi-view Images with Volume Rendering Priors. 2024 abs/2407.16396 CoRR https://doi.org/10.48550/arXiv.2407.16396 db/journals/corr/corr2407.html#abs-2407-16396 streams/journals/corr