arxivcs.CVeess.IV2026-07-21
ChronoStitch: Training-Free Composition of Visual KV Memories for Long-Horizon Temporal Reasoning
Santiram Tiwari, Nishant Sinha, Kunal Kislay
Long-video question answering requires a model to preserve visual evidence over time without repeatedly reprocessing the same video. A practical approach is to store the vision-language model's internal key-value (KV) cache for each video chunk and retrieve that state at query ti…