“Polarized 3D: Synthesis of Polarization and Depth cues for Enhanced 3D Sensing” by Kadambi, Taamazyan, Shi and Raskar

  • ©Achuta Kadambi, Vage Taamazyan, Boxin Shi, and Ramesh Raskar

  • ©Achuta Kadambi, Vage Taamazyan, Boxin Shi, and Ramesh Raskar

  • ©Achuta Kadambi, Vage Taamazyan, Boxin Shi, and Ramesh Raskar

  • ©Achuta Kadambi, Vage Taamazyan, Boxin Shi, and Ramesh Raskar

  • ©Achuta Kadambi, Vage Taamazyan, Boxin Shi, and Ramesh Raskar

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    Polarized 3D: Synthesis of Polarization and Depth cues for Enhanced 3D Sensing

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    Coarse depth maps can be enhanced by using the shape information from polarization cues. We propose a fusion of polarization and depth, a synergistic technique to exploit the high lateral resolution and compensate for the low depth resolution of traditional sensors. Although the fusion of depth and photometric normals is not new, existing frameworks cannot handle the unique challenge of fusing normals from polarization. Specific challenges we address include azimuthal ambiguity, refractive distortion, fronto-parallel surfaces, and depth discontinuities. In this project we validate our algorithmic framework for depth enhancement through a low-cost prototype that compares favorably with other depth sensors.


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