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20162023
most citedFourier Features Let Networks Learn High Frequency Functions in Low Dimensional Domains

1.2k citations · 2.8k across the 42 of their papers we have counts for

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34 papers · 1 filter

cs.CV2023

A Theory of Topological Derivatives for Inverse Rendering of Geometry

Ishit Mehta, Manmohan Chandraker, Ravi Ramamoorthi

We introduce a theoretical framework for differentiable surface evolution that allows discrete topology changes through the use of topological derivatives for variational optimizat…

cs.CV2023★ 2 cited

NeRFs: The Search for the Best 3D Representation

Ravi Ramamoorthi

Neural Radiance Fields or NeRFs have become the representation of choice for problems in view synthesis or image-based rendering, as well as in many other applications across compu…

cs.CV2023

PVP: Personalized Video Prior for Editable Dynamic Portraits using StyleGAN

Kai-En Lin, Alex Trevithick, Keli Cheng +5

Portrait synthesis creates realistic digital avatars which enable users to interact with others in a compelling way. Recent advances in StyleGAN and its extensions have shown promi…

cs.CV2023★ 1 cited

Real-Time Radiance Fields for Single-Image Portrait View Synthesis

Alex Trevithick, Matthew Chan, Michael Stengel +7

We present a one-shot method to infer and render a photorealistic 3D representation from a single unposed image (e.g., face portrait) in real-time. Given a single RGB input, our im…

cs.CV2023

Factorized Inverse Path Tracing for Efficient and Accurate Material-Lighting Estimation

Liwen Wu, Rui Zhu, Mustafa B. Yaldiz +7

Inverse path tracing has recently been applied to joint material and lighting estimation, given geometry and multi-view HDR observations of an indoor scene. However, it has two maj…

cs.CV2023★ 37 cited

NerfDiff: Single-image View Synthesis with NeRF-guided Distillation from 3D-aware Diffusion

Jiatao Gu, Alex Trevithick, Kai-En Lin +4

Novel view synthesis from a single image requires inferring occluded regions of objects and scenes whilst simultaneously maintaining semantic and physical consistency with the inpu…

cs.CV2022★ 2 cited

Vision Transformer for NeRF-Based View Synthesis from a Single Input Image

Kai-En Lin, Lin Yen-Chen, Wei-Sheng Lai +3

Although neural radiance fields (NeRF) have shown impressive advances for novel view synthesis, most methods typically require multiple input images of the same scene with accurate…

cs.CV2022★ 2 cited

Physically-Based Editing of Indoor Scene Lighting from a Single Image

Zhengqin Li, Jia Shi, Sai Bi +6

We present a method to edit complex indoor lighting from a single image with its predicted depth and light source segmentation masks. This is an extremely challenging problem that…

cs.CV2022★ 2 cited

A Level Set Theory for Neural Implicit Evolution under Explicit Flows

Ishit Mehta, Manmohan Chandraker, Ravi Ramamoorthi

Coordinate-based neural networks parameterizing implicit surfaces have emerged as efficient representations of geometry. They effectively act as parametric level sets with the zero…

cs.CV2021★ 2 cited

Learning Neural Transmittance for Efficient Rendering of Reflectance Fields

Mohammad Shafiei, Sai Bi, Zhengqin Li +3

Recently neural volumetric representations such as neural reflectance fields have been widely applied to faithfully reproduce the appearance of real-world objects and scenes under…

cs.CV2021★ 1 cited

View Synthesis of Dynamic Scenes based on Deep 3D Mask Volume

Kai-En Lin, Guowei Yang, Lei Xiao +2

Image view synthesis has seen great success in reconstructing photorealistic visuals, thanks to deep learning and various novel representations. The next key step in immersive virt…

cs.CV2021★ 1 cited

NeLF: Neural Light-transport Field for Portrait View Synthesis and Relighting

Tiancheng Sun, Kai-En Lin, Sai Bi +2

Human portraits exhibit various appearances when observed from different views under different lighting conditions. We can easily imagine how the face will look like in another set…

cs.CV2021★ 1 cited

Modulated Periodic Activations for Generalizable Local Functional Representations

Ishit Mehta, Michaël Gharbi, Connelly Barnes +3

Multi-Layer Perceptrons (MLPs) make powerful functional representations for sampling and reconstruction problems involving low-dimensional signals like images,shapes and light fiel…

cs.CV2020

Real-Time Selfie Video Stabilization

Jiyang Yu, Ravi Ramamoorthi, Keli Cheng +2

We propose a novel real-time selfie video stabilization method. Our method is completely automatic and runs at 26 fps. We use a 1D linear convolutional network to directly infer th…

cs.CV2020★ 110 cited

Neural Reflectance Fields for Appearance Acquisition

Sai Bi, Zexiang Xu, Pratul Srinivasan +6

We present Neural Reflectance Fields, a novel deep scene representation that encodes volume density, normal and reflectance properties at any 3D point in a scene using a fully-conn…

cs.CV2020★ 1 cited

Deep Multi Depth Panoramas for View Synthesis

Kai-En Lin, Zexiang Xu, Ben Mildenhall +6

We propose a learning-based approach for novel view synthesis for multi-camera 360 panorama capture rigs. Previous work constructs RGBD panoramas from such data, allowing…

cs.CV2020★ 81 cited

Neural Light Transport for Relighting and View Synthesis

Xiuming Zhang, Sean Fanello, Yun-Ta Tsai +10

The light transport (LT) of a scene describes how it appears under different lighting and viewing directions, and complete knowledge of a scene's LT enables the synthesis of novel…

cs.CV2020★ 6 cited

Deep Reflectance Volumes: Relightable Reconstructions from Multi-View Photometric Images

Sai Bi, Zexiang Xu, Kalyan Sunkavalli +4

We present a deep learning approach to reconstruct scene appearance from unstructured images captured under collocated point lighting. At the heart of Deep Reflectance Volumes is a…

cs.CV2020★ 13 cited

OpenRooms: An End-to-End Open Framework for Photorealistic Indoor Scene Datasets

Zhengqin Li, Ting-Wei Yu, Shen Sang +14

We propose a novel framework for creating large-scale photorealistic datasets of indoor scenes, with ground truth geometry, material, lighting and semantics. Our goal is to make th…

cs.CV2020★ 1.2k cited

Fourier Features Let Networks Learn High Frequency Functions in Low Dimensional Domains

Matthew Tancik, Pratul P. Srinivasan, Ben Mildenhall +6

We show that passing input points through a simple Fourier feature mapping enables a multilayer perceptron (MLP) to learn high-frequency functions in low-dimensional problem domain…

cs.CV2020

Deep CG2Real: Synthetic-to-Real Translation via Image Disentanglement

Sai Bi, Kalyan Sunkavalli, Federico Perazzi +3

We present a method to improve the visual realism of low-quality, synthetic images, e.g. OpenGL renderings. Training an unpaired synthetic-to-real translation network in image spac…

cs.CV2020

Deep 3D Capture: Geometry and Reflectance from Sparse Multi-View Images

Sai Bi, Zexiang Xu, Kalyan Sunkavalli +2

We introduce a novel learning-based method to reconstruct the high-quality geometry and complex, spatially-varying BRDF of an arbitrary object from a sparse set of only six images…

cs.CV2019★ 18 cited

Deep Stereo using Adaptive Thin Volume Representation with Uncertainty Awareness

Shuo Cheng, Zexiang Xu, Shilin Zhu +4

We present Uncertainty-aware Cascaded Stereo Network (UCS-Net) for 3D reconstruction from multiple RGB images. Multi-view stereo (MVS) aims to reconstruct fine-grained scene geomet…

cs.CV2019★ 16 cited

Inverse Rendering for Complex Indoor Scenes: Shape, Spatially-Varying Lighting and SVBRDF from a Single Image

Zhengqin Li, Mohammad Shafiei, Ravi Ramamoorthi +2

We propose a deep inverse rendering framework for indoor scenes. From a single RGB image of an arbitrary indoor scene, we create a complete scene reconstruction, estimating shape,…