arXiv Computer Vision By Jingxing Li, Anurag Paul, Subhasis Das, Cindy Xu

Decision-FLIP: Budget-Free Structured Pruning for Gaussian Occupancy Models

Read the original on arXiv Computer Vision →

Decision‑FLIP is a budget‑free pruning framework for Gaussian occupancy models that scores each persistent Gaussian row by how many voxel decisions change when the row is removed. It uses a guarded Otsu split on the log‑score distribution to select survivors without a target, then compiles the survivors into a smaller checkpoint, reducing bank size and latency. Across multiple model‑dataset settings, the method removes 12–79% of rows, cuts latency by 7–45%, and saves up to 8.0% of whole‑model compute while keeping semantic mIoU within 0.18 points of the original.

Machine-generated by The Flow from the publisher's headline and feed description — not written or checked by a human. The full article lives at arXiv Computer Vision.

arXiv Computation and Language
Sep 4

Select, Compress, Reinvest: A Controlled Study of Visual-Token Allocation in Long-Video MLLMs

The study investigates how long‑video language models decide which frames to keep, compress, and reuse, testing each decision in isolation across six selection rules, three benchmarks, and two answering models. It finds that selecting frames based on queries yields the biggest performance boost, that halving spatial resolution costs little, and that reallocating saved tokens to more compressed frames can further improve accuracy. The work also highlights the importance of a unified evaluation harness to avoid misleading comparisons.

By Prakhar Khatri
arXiv Machine Learning
2d ago

Drift Says When, Budget Says How Much: Rate-Controlled KV Re-selection for Long-Form Multimodal Generation

The paper introduces Rate‑Controlled Refresh (RCR), a method for re‑selecting key‑value (KV) cache entries during long‑form multimodal generation. RCR lets attention drift determine when and where to refresh, while a per‑sample controller limits how often this occurs, and a low‑rank drift detector keeps the process GPU‑resident. Across multiple models and tasks, RCR outperforms the per‑step retrieval method InfiniGen by up to 3.8 ROUGE‑L points and remains close to exact per‑step re‑selection, with reduced data movement and a smaller GPU‑resident detector.

By Bin Hu, Yingbo Xiao