Watch, Remember, Reason: Human-View Video Understanding with MLLMs

• URL: http://arxiv.org/abs/2606.07433v1
• Date: Fri, 05 Jun 2026 16:29:13 GMT
• Title: Watch, Remember, Reason: Human-View Video Understanding with MLLMs
• Abstract summary: Video understanding is being rapidly transformed by large language models (MLLMs)<n>This work presents a human-view on LLM-based video understanding.<n>Rather than treating tasks as isolated benchmarks, this view provides a unified structure for analyzing how MLLMs acquire evidence.
• Score: 115.44608894992399
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Video understanding is being rapidly transformed by multimodal large language models (MLLMs), as research moves from short clips to long, multimodal, and knowledge-intensive video scenarios. These scenarios require models to handle sparse evidence, long-range dependencies, multimodal alignment, and reliable inference under limited computational budgets. This work presents a human-view perspective on LLM-based video understanding, organized around three functional abilities: watching, remembering, and reasoning. Rather than treating video tasks as isolated benchmarks, this view provides a unified structure for analyzing how video MLLMs acquire evidence, preserve context, and produce grounded outputs. We introduce a formulation that characterizes video understanding systems by their perceptual representations, memory states, reasoning traces, and final predictions. Based on this formulation, we identify challenges in spatio-temporal perception, efficient long-video processing, memory modeling, streaming understanding, and faithful reasoning. Representative methods are organized by their roles in video MLLM systems. Watching covers fine-grained, comprehensive, audio-visual, and efficient perception. Remembering includes offline and streaming memory, while reasoning covers text-only reasoning and thinking with videos. We further examine application domains such as egocentric, sports, instructional, medical, and narrative videos, and cover training datasets and evaluation benchmarks across task types, supervision formats, modalities, and capability dimensions. Finally, we outline open problems and future directions for scalable, memory-aware, and evidence-grounded video intelligence. Related works will be continuously traced at https://github.com/marinero4972/Awesome-HumanView-VideoUnderstanding.

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