Muhammad Zaigham Zaheer

Beyond Similarity: Foundation Models as an Efficient Backbone for Training-Free Composed Video Retrieval

Composed video retrieval (CoVR) searches a gallery for the target video that realizes a natural-language modification of a source clip. However, at gallery scale, this creates a fundamental tension: compact embeddings enable efficient, reusable search but can miss the transient actions, state changes, and subtle constr...