Illumination estimation from a single image

KK Sunkavalli, S **aohui, ME Yumer… - US Patent …, 2020 - Google Patents
Methods and systems are provided for using a single image of an indoor scene to estimate
illumination of an environ ment that includes the portion captured in the image. A neural …

Learning to estimate high-dynamic range outdoor lighting parameters

KK Sunkavalli, S Hadap, J Eisenmann… - US Patent …, 2021 - Google Patents
Methods and systems are provided for determining high dynamic range lighting parameters
for input low-dynamic range images. A neural network system can be trained to estimate …

Low-light imaging using trained convolutional neural networks

C Chen, Q Chen, V Koltun - US Patent 10,803,565, 2020 - Google Patents
An example apparatus for imaging in low-light environments includes a raw sensor data
receiver to receive raw sensor data from an imaging sensor. The apparatus also includes a …

Dynamically estimating lighting parameters for positions within augmented-reality scenes based on global and local features

K Sunkavalli, S Hadap, N Carr, JF Lalonde… - US Patent …, 2020 - Google Patents
This disclosure relates to methods, non-transitory computer readable media, and systems
that use a local-lighting-estimation-neural network to render a virtual object in a digital scene …

Photorealistic image simulation with geometry-aware composition

F Rong, Y Chen, S Duggal, S Wang, X Yan… - US Patent …, 2023 - Google Patents
The present disclosure provides systems and methods for generating photorealistic image
simulation data with geom etry-aware composition for testing autonomous vehicles. In …

Neural network-based camera calibration

KK Sunkavalli, Y Hold-Geoffroy, S Hadap… - US Patent …, 2019 - Google Patents
Embodiments of the present invention provide systems, methods, and computer storage
media directed to generating training image data for a convolutional neural network …

Learning from estimated high-dynamic range all weather lighting parameters

J Zhang, KK Sunkavalli, Y Hold-Geoffroy… - US Patent …, 2021 - Google Patents
Methods and systems are provided for determining high dynamic range lighting parameters
for input low-dynamic range images. A neural network system can be trained to estimate …

Neural light transport

T Yun-Ta, X Zhang, JT Barron, S Fanello… - US Patent …, 2024 - Google Patents
Examples relate to implementations of a neural light transport. A computing system may
obtain data indicative of a plurality of UV texture maps and a geometry of an object. Each UV …

Learning illumination from diverse portraits

C Legendre, P Debevec, WC Ma, R Pandey… - US Patent App. 17 …, 2022 - Google Patents
Appl. No.: 17/309,171 (22) PCT Filed: Sep. 21, 2020 PCT/US2020/070558 (86) PCT No.: §
371 (c)(1),(2) Date: May 3, 2021 Techniques of estimating lighting from portraits includes …

Photo relighting using deep neural networks and confidence learning

SUN Tiancheng, T Yun-Ta, J Barron - US Patent 11,776,095, 2023 - Google Patents
Apparatus and methods related to applying lighting models to images of objects are
provided. A neural network can be trained to apply a lighting model to an input image. The …