Publications

1. Simple-RF: Regularizing Sparse Input Radiance Fields with Simpler Solutions
   Nagabhushan Somraj, Sai Harsha Mupparaju, Adithyan Karanayil, Rajiv Soundararajan
   ACM Transaction on Graphics (TOG), Mar 2026
   PDF, Project Page

1. AD-GS: Alternating Densification for Sparse-Input 3D Gaussian Splatting
   Gurutva Patle, Nilay Girgaonkar, Nagabhushan Somraj, Rajiv Soundararajan
   ACM SIGGRAPH Asia, Hong Kong, Dec 2025
   PDF, Project Page
2. Bidirectional Flow Fields for Sparse Input Novel View Synthesis of Dynamic Scenes
   Kapil Choudhary, Nagabhushan Somraj, Rajiv Soundararajan
   IEEE International Conference on Image Processing (ICIP), Anchorage, Alaska, USA, Sep 2025
   PDF, Project Page

1. Sparse Input View Synthesis: 3D Representations and Reliable Priors
   Advisor: Dr. Rajiv Soundararajan
   Thesis Reviewers: Dr. Kaushik Mitra (IIT Madras), Dr. Aniket Bera (Purdue University)
   Submitted: May 2024; Accepted and Defended: Sep 2024.
   PDF, arXiv, IISc ETD

1. Factorized Motion Fields for Fast Sparse Input Dynamic View Synthesis
   Nagabhushan Somraj, Kapil Choudhary, Sai Harsha Mupparaju, Rajiv Soundararajan
   ACM Special Interest Group on Computer Graphics and Interactive Techniques (SIGGRAPH), Denver, CO, USA, Jul 2024
   PDF, Project Page

1. SimpleNeRF: Regularizing Sparse Input Neural Radiance Fields with Simpler Solutions
   Nagabhushan Somraj, Adithyan Karanayil, Rajiv Soundararajan
   ACM SIGGRAPH Asia, Sydney, Australia, Dec 2023
   PDF, Project Page
2. ViP-NeRF: Visibility Prior for Sparse Input Neural Radiance Fields
   Nagabhushan Somraj, Rajiv Soundararajan
   ACM Special Interest Group on Computer Graphics and Interactive Techniques (SIGGRAPH), Los Angeles, CA, USA, Aug 2023
   PDF, Project Page

1. Temporal View Synthesis of Dynamic Scenes through 3D Object Motion Estimation with Multi-Plane Images
   Nagabhushan Somraj, Pranali Sancheti, Rajiv Soundararajan
   IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Singapore, Oct 2022
   arXiv, Project Page
2. Understanding the Perceived Quality of Video Predictions
   Nagabhushan Somraj, Manoj Surya Kashi, S P Arun, Rajiv Soundararajan
   Signal Processing: Image Communication, vol 102, Mar 2022
   arXiv, Project Page
3. Revealing Disocclusions in Temporal View Synthesis through Infilling Vector Prediction
   Vijayalakshmi Kanchana, Nagabhushan Somraj, Suraj Yadwad, Rajiv Soundararajan
   IEEE Winter Conference on Applications of Computer Vision (WACV), Hawaii, USA, Jan 2022
   arXiv, Project Page