ResearchBenchmarksSegmentation on Downstream Transfer 100K frames trajectory-level splitSegmentation on Downstream Transfer 100K frames trajectory-level splitFollow86.2mIoUSAM2.1-B+73.92877.11480.383.486May 18, 2026Evaluation resultsMethodMethodLinksmIoUAP@75AP (0.5:0.95)SAM2.1-B+Evaluation Protocol=fi...Evaluation Protocol=fine-tuned2026.0586.294.377.8SAM2.1-SEvaluation Protocol=fi...Evaluation Protocol=fine-tuned2026.0585.994.177.2SAM2.1-B+Evaluation Protocol=ze...Evaluation Protocol=zero-shot2026.0576.366.258.6SAM2.1-SEvaluation Protocol=ze...Evaluation Protocol=zero-shot2026.0574.455.154.7