@article{vivavlmguidedinstructionbasedvideoeditin, title = {VIVA: VLM-Guided Instruction-Based Video Editing with Reward Optimization}, author = {Xiaoyan Cong and Haotian Yang and Angtian Wang and Yizhi Wang and Yiding Yang and Canyu Zhang and Chongyang Ma}, year = {2025}, eprint = {2512.16906}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2512.16906}, }