arxivcs.CV2026-07-22
Lean-SAM2: Target-Anchored Memory and Encoder Acceleration for SAM2
Xudong Ouyang, Wenlun Zhang, Yimin Xu, Huazhong Liu, Yunshan Zhong
The Segment Anything Model 2 (SAM2) has advanced temporal promptable segmentation, yet its deployment remains hindered by heavy memory cross-attention overhead and redundant full-frame visual feature extraction. While recent methods explore efficiency via heuristic memory pruning…