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Learn-to-Score: Efficient 3D Scene Exploration by Predicting View Utility

  • Benjamin HeppEmail author
  • Debadeepta Dey
  • Sudipta N. Sinha
  • Ashish Kapoor
  • Neel Joshi
  • Otmar Hilliges
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11219)

Abstract

Camera equipped drones are nowadays being used to explore large scenes and reconstruct detailed 3D maps. When free space in the scene is approximately known, an offline planner can generate optimal plans to efficiently explore the scene. However, for exploring unknown scenes, the planner must predict and maximize usefulness of where to go on the fly. Traditionally, this has been achieved using handcrafted utility functions. We propose to learn a better utility function that predicts the usefulness of future viewpoints. Our learned utility function is based on a 3D convolutional neural network. This network takes as input a novel volumetric scene representation that implicitly captures previously visited viewpoints and generalizes to new scenes. We evaluate our method on several large 3D models of urban scenes using simulated depth cameras. We show that our method outperforms existing utility measures in terms of reconstruction performance and is robust to sensor noise.

Keywords

3D reconstruction Exploration Active vision 3D CNN 

Supplementary material

474204_1_En_27_MOESM1_ESM.pdf (1.3 mb)
Supplementary material 1 (pdf 1349 KB)

Supplementary material 2 (mp4 41982 KB)

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Benjamin Hepp
    • 1
    • 2
    Email author
  • Debadeepta Dey
    • 2
  • Sudipta N. Sinha
    • 2
  • Ashish Kapoor
    • 2
  • Neel Joshi
    • 2
  • Otmar Hilliges
    • 1
  1. 1.ETH ZurichZurichSwitzerland
  2. 2.Microsoft ResearchRedmondUSA

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