QCA: Query- and Content-Aware Keyframe Selection for Long Video Understanding
QCA:面向长视频理解的查询与内容感知关键帧选择
机构 * Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University(厦门大学多媒体可信感知与高效计算教育部重点实验室) ; School of Electronic and Computer Engineering, Peking University(北京大学电子与计算机工程学院) ; Peng Cheng Laboratory(鹏城实验室)
专题命中 视频理解 :video understanding(title,abstract);long video(title,abstract);分类 cs.CV
AI总结 提出QCA框架,通过联合建模查询相关性和内容偏差动态分配关键帧预算,无需额外训练即可集成到Video-LLMs,在长视频理解基准上取得最优性能。