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Fix noisy dark image and change after the fact camera viewpoint, focus, exposure, tones with RawNeRF

Fix noisy dark image and change after the fact camera viewpoint, focus, exposure, tones with RawNeRF


NeRF in the Dark: High Dynamic Range View Synthesis from Noisy Raw Images

arXiv paper abstract https://arxiv.org/abs/2111.13679



Neural Radiance Fields (NeRF) is a technique for high quality novel view synthesis from a collection of posed input images.


... modify NeRF to instead train directly on linear raw images, preserving the scene's full dynamic range.


By rendering raw output images from the resulting NeRF, ... can perform novel high dynamic range (HDR) view synthesis tasks.


In addition to changing the camera viewpoint, ... can manipulate focus, exposure, and tonemapping after the fact.


... When optimized over many noisy raw inputs (25-200), NeRF produces a scene representation so accurate that its rendered novel views outperform dedicated single and multi-image deep raw denoisers run on the same wide baseline input images.


... RawNeRF, can reconstruct scenes from extremely noisy images captured in near-darkness.



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