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CN-DHF: Compact Neural Double Height-Field Representations of 3D Shapes

Eric Hedlin, Jinfan Yang, Nicholas Vining, Kwang Moo Yi, Alla Sheffer

Introduction

Representation of 3D shape

Application

  • video games
  • 3D content streaming
  • reinforcement learning
  • VR/AR environments
  • ...

Neural Shape Representation

Definition

Actually, When using INR in 3D shape reconstruction area, We can get the Neural Shape Representation which means using neural network to represent the sign distance function of the 3D shape.

Research

  • Takikawa, T., Litalien, J., Yin, K., Kreis, K., Loop, C., Nowrouzezahrai, D., Jacobson, A., McGuire, M., & Fidler, S. (2021). Neural Geometric Level of Detail: Real-time Rendering with Implicit 3D Shapes. ArXiv:2101.10994 [Cs]. http://arxiv.org/abs/2101.10994
  • Müller, T., Evans, A., Schied, C., & Keller, A. (n.d.). Instant Neural Graphics Primitives with a Multiresolution Hash Encoding. 13.
  • Sitzmann, V., Martel, J. N. P., Bergman, A. W., Lindell, D. B., & Wetzstein, G. (2020). Implicit Neural Representations with Periodic Activation Functions. https://arxiv.org/abs/2006.09661v1
  • Takikawa, T., Evans, A., Tremblay, J., Müller, T., Mcguire, M., Jacobson, A., & Fidler, S. (2022). Variable Bitrate Neural Fields. Conference Proceedings, 10.