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VCAIL
Research and academic publications

PUBLICATIONS

Explore our cutting-edge research in visual computing and augmented intelligence. Our publications span computational imaging, computer vision, AR/VR, nano-optics, and machine learning.

2025

Beating bandwidth limits for large aperture broadband nano-optics

Beating bandwidth limits for large aperture broadband nano-optics

Johannes E Fröch*, Praneeth Chakravarthula*, Jipeng Sun, Ethan Tseng, Shane Colburn, Alan Zhan, Forrest Miller, Anna Wirth-Singh, Quentin AA Tanguy, Zheyi Han, Karl F Böhringer, Felix Heide, Arka Majumdar

Nature Communications 2025
DOF-GS: Adjustable Depth-of-Field 3D Gaussian Splatting for Post-Capture Refocusing, Defocus Rendering and Blur Removal

DOF-GS: Adjustable Depth-of-Field 3D Gaussian Splatting for Post-Capture Refocusing, Defocus Rendering and Blur Removal

Yujie Wang, Baoquan Chen*, Praneeth Chakravarthula*

CVPR 2025
Event fields: Capturing light fields at high speed, resolution, and dynamic range

Event fields: Capturing light fields at high speed, resolution, and dynamic range

Ziyuan Qu, Zihao Zou, Vivek Boominathan, Praneeth Chakravarthula, Adithya Pediredla

CVPR 2025
Present and Future of Everyday-use Augmented Reality Eyeglasses

Present and Future of Everyday-use Augmented Reality Eyeglasses

Praneeth Chakravarthula

IEEE Computer Graphics and Applications 2025
Multimodal Neural Acoustic Fields for Immersive Virtual Reality and Telepresence

Multimodal Neural Acoustic Fields for Immersive Virtual Reality and Telepresence

Guansen Tong, Jonathan Leung, Haosheng Shi, Liujie Zheng, Shengze Wang, Xi Peng, Grace Fei, Praneeth Chakravarthula

Best Paper Honorable Mention
IEEE VR (TVCG) 2025
Perceptually-Guided Acoustic Foveation

Perceptually-Guided Acoustic Foveation

Xi Peng, Kenneth Chen, Iran Roman, Juan Pablo Bello, Qi Sun*, Praneeth Chakravarthula*

IEEE VR 2025
FlatTrack: Eye-tracking with ultra-thin lensless cameras

FlatTrack: Eye-tracking with ultra-thin lensless cameras

Purvam Jain, Althaf M. Nazar, Salman S. Khan, Kaushik Mitra, Praneeth Chakravarthula

Best Paper Award
GMCV & WACV 2025

2024

Spatially Varying Nanophotonic Neural Networks

Spatially Varying Nanophotonic Neural Networks

Kaixuan Wei*, Xiao Li*, Johannes Froech*, Praneeth Chakravarthula, James Whitehead, Ethan Tseng, Arka Majumdar, Felix Heide

Science Advances 2024
End-to-End Hybrid Refractive-Diffractive Lens Design with Differentiable Ray-Wave Model

End-to-End Hybrid Refractive-Diffractive Lens Design with Differentiable Ray-Wave Model

Xinge Yang, Matheus Souza, Kunyi Wang, Praneeth Chakravarthula, Qiang Fu, Wolfgang Heidrich

SIGGRAPH Asia 2024
Cross-Domain Synthetic-to-Real In-the-Wild Depth and Normal Estimation for 3D Scene Understanding

Cross-Domain Synthetic-to-Real In-the-Wild Depth and Normal Estimation for 3D Scene Understanding

Jay Bhanushali, Manivannan Muniyandi, Praneeth Chakravarthula

Best Paper Award
OmniCV & CVPR 2024
Neural Etendue Expander for Ultra-Wide-Angle High-Fidelity Holographic Display

Neural Etendue Expander for Ultra-Wide-Angle High-Fidelity Holographic Display

Ethan Tseng, Seung-Hwan Baek, Grace Kuo, Nathan Matsuda, Andrew Maimone, Praneeth Chakravarthula, Qiang Fu, Wolfgang Heidrich, Douglas Lanman, Felix Heide

Nature Communications 2024
Point Spread Function-inspired Deformable Convolutional Network for Holographic Displays

Point Spread Function-inspired Deformable Convolutional Network for Holographic Displays

Mi Zhou, Shuming Jiao, Praneeth Chakravarthula, Yang Yue, Ping Su, Ercan Engin Kuruoglu, Zihan Geng

SPIE 2024

2023

Thin On-Sensor Nanophotonic Array Cameras

Thin On-Sensor Nanophotonic Array Cameras

Praneeth Chakravarthula, Jipeng Sun, Xiao Li, Chenyang Lei, Gene Chou, Mario Bijelic, Johannes Froesch, Arka Majumdar, Felix Heide

SIGGRAPH Asia 2023
Seeing with Sound: Long-Range Acoustic Beamforming for Automotive Scene Understanding

Seeing with Sound: Long-Range Acoustic Beamforming for Automotive Scene Understanding

Praneeth Chakravarthula, Jim Aldon D'Souza, Ethan Tseng, Joe Bartusek, Felix Heide

CVPR 2023
Stochastic Light Field Holography

Stochastic Light Field Holography

Florian Schiffers, Praneeth Chakravarthula, Nathan Matsuda, Grace Kuo, Ethan Tseng, Douglas Lanman, Felix Heide, Oliver Cossairt

ICCP 2023
End-to-End Compression-Aware Computer-Generated Holography

End-to-End Compression-Aware Computer-Generated Holography

Mi Zhou, Hao Zhang, Shuming Jiao, Praneeth Chakravarthula, Zihan Geng

Optics Express 2023
Hexagonal Diffractive Optical Elements

Hexagonal Diffractive Optical Elements

Yidan Zheng, Qiang Fu, Hadi Amata, Praneeth Chakravarthula, Felix Heide, Wolfgang Heidrich

Optics Express 2023
ChromaCorrect: Prescription Correction in Virtual Reality Headsets through Perceptual Guidance

ChromaCorrect: Prescription Correction in Virtual Reality Headsets through Perceptual Guidance

Ahmet Guzel, Jeanne Beyazian, Praneeth Chakravarthula, Kaan Aksit

Biomedical Optics Express 2023

2022

Visual perception of noise in a simulated holographic display – a user study

Visual perception of noise in a simulated holographic display – a user study

Andreas Georgiou, Joel Kollin, Charlie Hewitt, Praneeth Chakravarthula, Brian Guenter

Elsevier Displays 2022
Pupil-aware Holography

Pupil-aware Holography

Praneeth Chakravarthula, Seung-Hwan Baek, Florian Schiffers, Ethan Tseng, Grace Kuo, Andrew Maimone, Nathan Matsuda, Oliver Cossairt, Douglas Lanman, Felix Heide

Spotlight Poster ICCP 2022
SIGGRAPH Asia 2022
FoV-NeRF: Foveated Neural Radiance Fields for Virtual Reality

FoV-NeRF: Foveated Neural Radiance Fields for Virtual Reality

Nianchen Deng, Zhenyi He, Jiannan Ye, Budmonde Duinkharjav, Praneeth Chakravarthula, Xubo Yang, Qi Sun

Best Paper Award
IEEE TVCG 2022
Neural 3D Gaze: 3D Pupil Localization and Gaze Tracking based on Anatomical Eye Model and Neural Refraction Correction

Neural 3D Gaze: 3D Pupil Localization and Gaze Tracking based on Anatomical Eye Model and Neural Refraction Correction

Conny Lu, Praneeth Chakravarthula, Kaihao Liu, Xixiang Liu, Siyuan Li, Henry Fuchs

ISMAR 2022
Image Features Influence Reaction Time: A Learned Probabilistic Perceptual Model for Saccade Latency

Image Features Influence Reaction Time: A Learned Probabilistic Perceptual Model for Saccade Latency

Budmonde Duinkharjav, Praneeth Chakravarthula, Rachel Albert, Anjul Patney, Qi Sun

Best Paper Award
SIGGRAPH 2022
Hogel-free Holography

Hogel-free Holography

Praneeth Chakravarthula, Ethan Tseng, Henry Fuchs, Felix Heide

SIGGRAPH 2022
Joint Neural Phase Retrieval and Compression for Energy- and Computation-Efficient Holography on the Edge

Joint Neural Phase Retrieval and Compression for Energy- and Computation-Efficient Holography on the Edge

Yujie Wang*, Praneeth Chakravarthula*, Qi Sun, Baoquan Chen

Best Paper Honorable Mention
SIGGRAPH 2022
Seeing Through Obstructions with Diffractive Cloaking

Seeing Through Obstructions with Diffractive Cloaking

Zheng Shi, Yuval Bahat, Seung-Hwan Baek, Qiang Fu, Hadi Amata, Xiao Li, Praneeth Chakravarthula, Wolfgang Heidrich, Felix Heide

SIGGRAPH 2022

2021

Towards Everyday-use Augmented Reality Eyeglasses

Towards Everyday-use Augmented Reality Eyeglasses

Praneeth Chakravarthula

IEEE VR Best Dissertation Award
Ph.D. Dissertation 2021
Gaze-contingent Retinal Speckle Suppression for Perceptually-Matched Foveated Holographic Displays

Gaze-contingent Retinal Speckle Suppression for Perceptually-Matched Foveated Holographic Displays

Praneeth Chakravarthula, Zhan Zhang, Okan Tursun, Piotr Didyk, Qi Sun, Henry Fuchs

IEEE TVCG 2021

2020

Learned Hardware-in-the-loop Phase Retrieval for Holographic Near-Eye Displays

Learned Hardware-in-the-loop Phase Retrieval for Holographic Near-Eye Displays

Praneeth Chakravarthula, Ethan Tseng, Tarun Srivastava, Henry Fuchs, Felix Heide

SIGGRAPH Asia 2020
DeepCGH: 3D Computer-Generated Holography Using Deep Learning

DeepCGH: 3D Computer-Generated Holography Using Deep Learning

M. Hossein Eybposh, Nicholas W. Caira, Mathew Atisa, Praneeth Chakravarthula, Nicolas C. Pégard

Best Paper Award
Optics Express 2020
Improved vergence and accommodation via Purkinje Image tracking with multiple cameras for AR eyeglasses

Improved vergence and accommodation via Purkinje Image tracking with multiple cameras for AR eyeglasses

Xinran Lu, Praneeth Chakravarthula, Yujie Tao, Steven Chen, Henry Fuchs

ISMAR 2020
Towards Eyeglasses-style Holographic Near-eye Displays with Statically Expanded Eyebox

Towards Eyeglasses-style Holographic Near-eye Displays with Statically Expanded Eyebox

Xinxing Xia, Yunqing Guan, Andrei State, Praneeth Chakravarthula, Tat-Jen Cham, Henry Fuchs

ISMAR 2020
Computing high-quality phase-only holograms for holographic displays

Computing high-quality phase-only holograms for holographic displays

Praneeth Chakravarthula, Yifan Peng, Joel Kollin, Felix Heide, Henry Fuchs

Optical Design Award
SPIE Photonics West 2020

2019

Wirtinger Holography for Near-Eye Displays

Wirtinger Holography for Near-Eye Displays

Praneeth Chakravarthula, Yifan Peng, Joel Kollin, Henry Fuchs, Felix Heide

SIGGRAPH Asia 2019
Towards a Switchable AR/VR Near-eye Display with Accommodation-Vergence and Eyeglass Prescription Support

Towards a Switchable AR/VR Near-eye Display with Accommodation-Vergence and Eyeglass Prescription Support

Xinxing Xia, Yunqing Guan, Andrei State, Praneeth Chakravarthula, Kishore Rathinavel, Tat-Jen Cham, Henry Fuchs

IEEE TVCG (presented at ISMAR 2019
Manufacturing Application Driven Near-Eye Displays

Manufacturing Application Driven Near-Eye Displays

Kaan Aksit, Praneeth Chakravarthula, Kishore Rathinavel, Youngmo Jeong, Rachel Albert, Henry Fuchs, David Luebke

Best Paper Nominee
IEEE TVCG (presented at IEEE VR 2019)

2018

focusAR: Auto-focus Augmented Reality Eyeglasses for both Real World and Virtual Imagery

focusAR: Auto-focus Augmented Reality Eyeglasses for both Real World and Virtual Imagery

Praneeth Chakravarthula, David Dunn, Kaan Aksit, Henry Fuchs

Best Paper Award
Talk
IEEE TVCG (presented at SIGGRAPH Asia 2018
ISMAR 2018)
Steerable Application-Adaptive Near-Eye Displays

Steerable Application-Adaptive Near-Eye Displays

Kishore Rathinavel, Praneeth Chakravarthula, Kaan Aksit, Josef Spjut, Ben Boudaoud, Turner Whitted, David Luebke, Henry Fuchs

Best in Show Award
SIGGRAPH 2018 Emerging Technologies
Mitigating vergence-accommodation conflict for near-eye displays via deformable beamsplitters

Mitigating vergence-accommodation conflict for near-eye displays via deformable beamsplitters

David Dunn, Praneeth Chakravarthula, Qian Dong, Henry Fuchs

Best Optical Design Award
SPIE Digital Optics for Immersive Displays 2018
Towards Varifocal Augmented Reality Displays using Deformable Beamsplitter Membranes

Towards Varifocal Augmented Reality Displays using Deformable Beamsplitter Membranes

David Dunn, Praneeth Chakravarthula, Qian Dong, Kaan Aksit, Henry Fuchs

SID Display Week 2018

2015

Penetra3D: A penetrable, interactive, 360-degree viewable display

Penetra3D: A penetrable, interactive, 360-degree viewable display

Praneeth Chakravarthula, Pattie Maes

IEEE 3DUI 2015

2014

Single access point based indoor localization technique for augmented reality gaming for children

Single access point based indoor localization technique for augmented reality gaming for children

Praneeth Chakravarthula, Ravi Poovaiah, Ajanta Sen, Priya Ganadas

IEEE TechSym 2014