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This work focuses on proposing alternatives for the \(\gamma ^\varphi \) function used to perform positional encoding in volumetric rendering methods based on radiance field optimization. The approach is to replace the standard sinusoidal function with other proposed alternatives having similar properties. Alternatives that combine several \(\gamma ^\varphi \) functions are also tested. Experiments with quantitative and qualitative results are included to evaluate the results.

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Novel Positional Encoding Methods for Neural Rendering

  • 会议论文

  • 发表日期：

    2025年

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  • Daniel Molina-Pinel,
  • Jorge García-González,
  • Enrique Domínguez,
  • Ezequiel López-Rubio

摘要

This work focuses on proposing alternatives for the \(\gamma ^\varphi \) function used to perform positional encoding in volumetric rendering methods based on radiance field optimization. The approach is to replace the standard sinusoidal function with other proposed alternatives having similar properties. Alternatives that combine several \(\gamma ^\varphi \) functions are also tested. Experiments with quantitative and qualitative results are included to evaluate the results.