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0.5.0: Rewrite all the underlying CUDA. Speedup and Benchmarking. (#182)  
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Static NeRFs
===================================

Performance Overview
--------------------

+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| Methods              | Dataset        | Training Time :math:`\downarrow` | PSNR :math:`\uparrow` | LPIPS :math:`\downarrow` |
+======================+================+==================================+=======================+==========================+
| TensoRF `[1]`_       | Tanks&Temple   | 18.3min                          | 28.13                 | 0.143                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (occgrid)* |                | 12.6min                          | 28.10                 | 0.150                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| TensoRF `[1]`_       | NeRF-Synthetic | 10.6min                          | 32.52                 | 0.047                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (occgrid)* |                | 6.5min                           | 32.51                 | 0.044                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| NeRF `[2]`_          | NeRF-Synthetic | 20hours                          | 31.00                 | 0.047                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (occgrid)* |                | 52min                            | 31.55                 | 0.072                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| Instant-NGP `[3]`_   | NeRF-Synthetic | 4.4min                           | 32.35                 |                          |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (occgrid)* |                | 4.4min                           | 32.55                 | 0.056                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (propnet)* |                | 5.2min                           | 31.40                 | 0.064                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| Instant-NGP `[3]`_   | Mip-NeRF 360   | 5.3min                           | 25.93                 |                          |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (occgrid)* |                | 5.5min                           | 26.38                 | 0.351                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+
| *+nerfacc (propnet)* |                | 5.0min                           | 27.21                 | 0.300                    |
+----------------------+----------------+----------------------------------+-----------------------+--------------------------+

Implementation Details
----------------------

.. toctree::
   :glob:
   :maxdepth: 1

   static/*

|

3rd-Party Use Cases
-------------------

- `nerfstudio <https://docs.nerf.studio/>`_: A collaboration friendly studio for NeRFs.
- `modelscope <https://github.com/modelscope/modelscope/blob/master/modelscope/models/cv/nerf_recon_acc/network/nerf.py>`_: A collection of deep-learning algorithms.
- `sdfstudio <https://autonomousvision.github.io/sdfstudio/>`_: A Unified Framework for Surface Reconstruction.
- `instant-nsr-pl <https://github.com/bennyguo/instant-nsr-pl>`_: Train NeuS in 10min.

.. _`[1]`: https://arxiv.org/abs/2203.09517
.. _`[2]`: https://arxiv.org/abs/2003.08934
.. _`[3]`: https://arxiv.org/abs/2201.05989