@article{stsimdiffbalancingspatiotemporalsimilari, title = {ST-SimDiff: Balancing Spatiotemporal Similarity and Difference for Efficient Video Understanding with MLLMs}, author = {Bingjun Luo and Tony Wang and Chaoqi Chen and Xinpeng Ding}, year = {2026}, eprint = {2605.22158}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.22158}, }