activity
20242026
collaborators

9 papers

cs.CV2026

Audio-Visual Camera Pose Estimation with Passive Scene Sounds and In-the-Wild Video

Daniel Adebi, Sagnik Majumder, Kristen Grauman

Understanding camera motion is a fundamental problem in embodied perception and 3D scene understanding. While visual methods have advanced rapidly, they often struggle under visual…

cs.CV2026

Materialistic RIR: Material Conditioned Realistic RIR Generation

Mahnoor Fatima Saad, Sagnik Majumder, Kristen Grauman +1

Rings like gold, thuds like wood! The sound we hear in a scene is shaped not only by the spatial layout of the environment but also by the materials of the objects and surfaces wit…

cs.RO2026

Mash, Spread, Slice! Learning to Manipulate Object States via Visual Spatial Progress

Priyanka Mandikal, Jiaheng Hu, Shivin Dass +3

Most robot manipulation focuses on changing the kinematic state of objects: picking, placing, opening, or rotating them. However, a wide range of real-world manipulation tasks invo…

cs.CV2026

MistExit: Learning to Exit for Early Mistake Detection in Procedural Videos

Sagnik Majumder, Anish Nethi, Ziad Al-Halah +1

We introduce the task of early mistake detection in video, where the goal is to determine whether a keystep in a procedural activity is performed correctly while observing as littl…

cs.CV2025

Switch-a-View: View Selection Learned from Unlabeled In-the-wild Videos

Sagnik Majumder, Tushar Nagarajan, Ziad Al-Halah +1

We introduce SWITCH-A-VIEW, a model that learns to automatically select the viewpoint to display at each timepoint when creating a how-to video. The key insight of our approach is…

cs.CV2025

Which Viewpoint Shows it Best? Language for Weakly Supervising View Selection in Multi-view Instructional Videos

Sagnik Majumder, Tushar Nagarajan, Ziad Al-Halah +2

Given a multi-view video, which viewpoint is most informative for a human observer? Existing methods rely on heuristics or expensive "best-view" supervision to answer this question…