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svgf's Introduction

CS224 Final Project โ€” Render Denoising

Loudon Cohen & Raphael Kargon

Link to Github repo (note: use branch temporal-history)

Features

  • Separation of albedo, direct lighting, and indirect lighting channels
  • Spatial wavelet filtering -- taking into account normals, color edges, and depth/world-position differences
  • Temporal accumulation -- Accumulation of color from previous frames, and variance estimation (to improve edge blurring).
  • Motion vectors -- reprojection to match up points across frames, even w/ movement.
  • Fast approximate anti-aliasing

Results

results1

results2

Known Issues

  • Reflections and refractions can be blurry (esp. on flat surfaces)
  • Temporal history works, but "history length" parameter seems stuck at one, making it difficult to add improvements to areas w/ no history (e.g. spatial variance estimation)

Usage

 mkdir build && cd build
 qmake -makefile ../final.pro
 make release
 ./release/final <scene xml>
./release/final -h (for more options)

svgf's People

Contributors

rkargon avatar

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