Practical svbrdf acquisition of 3d objects with unstructured flash photography

G Nam, JH Lee, D Gutierrez, MH Kim - ACM Transactions on Graphics …, 2018 - dl.acm.org
Capturing spatially-varying bidirectional reflectance distribution functions (SVBRDFs) of 3D
objects with just a single, hand-held camera (such as an off-the-shelf smartphone or a DSLR …

Sparse ellipsometry: portable acquisition of polarimetric SVBRDF and shape with unstructured flash photography

I Hwang, DS Jeon, A Munoz, D Gutierrez… - ACM Transactions on …, 2022 - dl.acm.org
Ellipsometry techniques allow to measure polarization information of materials, requiring
precise rotations of optical components with different configurations of lights and sensors …

[PDF][PDF] Simultaneous acquisition of polarimetric SVBRDF and normals.

SH Baek, DS Jeon, X Tong, MH Kim - ACM Trans. Graph., 2018 - vclab.kaist.ac.kr
Fig. 1. Polarimetric diffuse vs. specular light transport. Two linear polarization filters are
installed in front of a unpolarized projector and a camera.(a) The diffuse component of the …

Efficient estimation of boundary integrals for path-space differentiable rendering

K Yan, C Lassner, B Budge, Z Dong… - ACM Transactions on …, 2022 - dl.acm.org
Boundary integrals are unique to physics-based differentiable rendering and crucial for
differentiating with respect to object geometry. Under the differential path integral framework …

Antithetic sampling for Monte Carlo differentiable rendering

C Zhang, Z Dong, M Doggett, S Zhao - ACM Transactions on Graphics …, 2021 - dl.acm.org
Stochastic sampling of light transport paths is key to Monte Carlo forward rendering, and
previous studies have led to mature techniques capable of drawing high-contribution light …

Efficient differentiation of pixel reconstruction filters for path-space differentiable rendering

Z Yu, C Zhang, D Nowrouzezahrai, Z Dong… - ACM Transactions on …, 2022 - dl.acm.org
Pixel reconstruction filters play an important role in physics-based rendering and have been
thoroughly studied. In physics-based differentiable rendering, however, the proper treatment …

Survey of models for acquiring the optical properties of translucent materials

JR Frisvad, SA Jensen, JS Madsen… - Computer graphics …, 2020 - Wiley Online Library
The outset of realistic rendering is a desire to reproduce the appearance of the real world.
Rendering techniques therefore operate at a scale corresponding to the size of objects that …

Seeing the world in a bag of chips

JJ Park, A Holynski, SM Seitz - Proceedings of the IEEE …, 2020 - openaccess.thecvf.com
We address the dual problems of novel view synthesis and environment reconstruction from
hand-held RGBD sensors. Our contributions include 1) modeling highly specular objects, 2) …

Rendering of subjective speckle formed by rough statistical surfaces

S Steinberg, LQ Yan - ACM Transactions on Graphics (TOG), 2022 - dl.acm.org
Tremendous effort has been extended by the computer graphics community to advance the
level of realism of material appearance reproduction by incorporating increasingly more …

A Position‐Free Path Integral for Homogeneous Slabs and Multiple Scattering on Smith Microfacets

B Bitterli, E d'Eon - Computer graphics forum, 2022 - Wiley Online Library
We consider the problem of multiple scattering on Smith microfacets. This problem is
equivalent to computing volumetric light transport in a homogeneous slab. Although the …