Search Results for author: Art Subpa-Asa

Found 5 papers, 0 papers with code

4D Hyperspectral Photoacoustic Data Restoration With Reliability Analysis

no code implementations CVPR 2021 Weihang Liao, Art Subpa-Asa, Yinqiang Zheng, Imari Sato

Hyperspectral photoacoustic (HSPA) spectroscopy is an emerging bi-modal imaging technology that is able to show the wavelength-dependent absorption distribution of the interior of a 3D volume.

Variable Ring Light Imaging: Capturing Transient Subsurface Scattering with An Ordinary Camera

no code implementations ECCV 2018 Ko Nishino, Art Subpa-Asa, Yuta Asano, Mihoko Shimano, Imari Sato

We show that the path length of light captured in each of these observations is naturally lower-bounded by the ring light radius.

Polarimetric Three-View Geometry

no code implementations ECCV 2018 Lixiong Chen, Yinqiang Zheng, Art Subpa-Asa, Imari Sato

This paper theorizes the connection between polarization and three-view geometry.

Translation

From RGB to Spectrum for Natural Scenes via Manifold-Based Mapping

no code implementations ICCV 2017 Yan Jia, Yinqiang Zheng, Lin Gu, Art Subpa-Asa, Antony Lam, Yoichi Sato, Imari Sato

Spectral analysis of natural scenes can provide much more detailed information about the scene than an ordinary RGB camera.

Dimensionality Reduction

A Microfacet-Based Reflectance Model for Photometric Stereo With Highly Specular Surfaces

no code implementations ICCV 2017 Lixiong Chen, Yinqiang Zheng, Boxin Shi, Art Subpa-Asa, Imari Sato

Recent developments in the field have enabled shape recovery techniques for surfaces of various types, but an effective solution to directly estimating the surface normal in the presence of highly specular reflectance remains elusive.

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