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GAIA: Delving into Gradient-based Attribution Abnormality for Out-of-distribution Detection Jinggang Chen

Neural Information Processing Systems

Consequently, we investigate how attribution gradients lead to uncertain explanation outcomes and introduce two forms of abnormalities for OOD detection: the zero-deflation abnormality and the channel-wise average abnormality.




UP-NeRF: Unconstrained Pose-Prior-Free Neural Radiance Fields (Supplement)

Neural Information Processing Systems

In this supplementary material, we provide additional implementation details (Appendix A) of our model and visualization of ablation studies (Appendix B) which are not included in our main paper. BARF-W, and BARF-WD are based on [2] because there is no official NeRF-W code available. The detailed architecture of UP-NeRF is shown in the Figure 1. First two authors have an equal contribution. As we mentioned in the main paper, the evaluation process entails two stages, which are test-time pose optimization and appearance optimization.