Education
University of California, San Diego
PhD in Computer Science and Engineering
Advised by Ravi Ramamoorthi and Tzu-Mao Li
September 2021 - Now
Carnegie Mellon University
Master of Science in Electrical and Computer Engineering
Advised by Aswin Sankaranarayanan
December 2020
Indian Institute of Technology, Guwahati
Bachelor of Technology in Electronics and Communication Engineering
Minor in Computer Science Engineering
May 2019
Research
1. Repurposing Marigold for Zero-Shot Metric Depth Estimation via Defocus Blur Cues
arXiv preprint, 2025
Chinmay Talegaonkar, Nikhil Gandudi Suresh, Zachary Novack, Yash Belhe, Priyanka Nagasamudra, Nicholas Antipa
Turning relative depth estimators into absolute ones by using defocus blur cues.
2. A Differentiable Wave Optics Model for End-to-End Computational Imaging System Optimization
ICCV 2025
Chi-Jui Ho, Yash Belhe, Steve Rotenberg, Ravi Ramamoorthi, Tzu-Mao Li, Nicholas Antipa
Efficient wave-optics-based optimization of computational imaging systems.
3. Volumetrically Consistent 3D Gaussian Rasterization
CVPR 2025 (Highlight)
Chinmay Talegaonkar, Yash Belhe, Ravi Ramamoorthi, Nicholas Antipa
(Mostly) mathematically correct 3D Gaussian rasterization using analytic integration.
4. Spatiotemporal Bilateral Filtering for Inverse Rendering
SIGGRAPH Asia 2024 (Conference)
Wesley Chang*, Xuanda Yang*, Yash Belhe*, Ravi Ramamoorthi, Tzu-Mao Li
(*=equal contribution)
Discontinuity-preserving spatio-temporal optimizer to accelerate inverse rendering of volumes, textures, meshes.
5. BSDF Importance Sampling using a Diffusion Model
SIGGRAPH Asia 2024 (Conference)
Ziyang Fu, Yash Belhe, Haolin Lu, Liwen Wu, Bing Xu, Tzu-Mao Li
A low-dimensional diffusion model to importance sample reflective and transmissive materials well in real-time.
6. A Construct-Optimize Approach to Sparse View Synthesis without Camera Pose
SIGGRAPH 2024 (Conference)
Kaiwen Jiang, Yang Fu, Mukund Varma T, Yash Belhe, Xiaolong Wang, Hao Su, Ravi Ramamoorthi
Sparse view synthesis without camera poses progressively adding camera views and refining the solution.
7. Importance Sampling BRDF Derivatives
Transactions on Graphics 2024 (Journal)
Yash Belhe, Bing Xu, Sai Praveen Bangaru, Tzu-Mao Li, Ravi Ramamoorthi
Variance reduction for BRDF derivatives by removing variance due to sign changes.
8. Discontinuity-Aware 2D Neural Fields
SIGGRAPH Asia 2023 (Journal)
Yash Belhe, Michael Gharbi, Matt Fisher, Iliyan Georgiev, Ravi Ramamoorthi, Tzu-Mao Li
A new hybrid-neural-mesh image format for infinite resolution images in which edges are always sharp.
9. Computational Imaging using Ultrasonically-Sculpted Virtual Lenses
ICCP 2022
Hossein Baktash, Yash Belhe, Matteo G. Scopelliti, Yi Hua, Aswin Sankaranarayanan, Maysamreza Chamanzar
Reconstruct sharp images from blurry measurements from a virtual GRIN lens sculpted using ultrasound waves.
Honors and Awards
UCSD Jacobs School of Engineering (JSOE) PhD Fellowship (Sept 2021)
Graduated MS in ECE with 4.0/4.0 GPA at CMU (Dec 2020)
Rank ~600 out of 1,200,000 applicants - IIT JEE Mains (Mar 2015)
Rank ~1600 out of 150,000 applicants - IIT JEE Advanced (May 2015)