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We use multilayer Long Short Term Memory (LSTM) networks to learn representations of video sequences. Our model uses an encoder LSTM to map an input sequence into a fixed length representation. This representation is decoded using single or…

Machine Learning · Computer Science 2016-01-05 Nitish Srivastava , Elman Mansimov , Ruslan Salakhutdinov

Vision-Language Models (VLMs) are able to process increasingly longer videos. Yet, important visual information is easily lost throughout the entire context and missed by VLMs. Also, it is important to design tools that enable…

Computation and Language · Computer Science 2026-01-09 Galann Pennec , Zhengyuan Liu , Nicholas Asher , Philippe Muller , Nancy F. Chen

The Segment Anything Model 2 (SAM 2) has emerged as a powerful foundation model for object segmentation in both images and videos, paving the way for various downstream video applications. The crucial design of SAM 2 for video segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shuangrui Ding , Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Yuhang Cao , Yuwei Guo , Dahua Lin , Jiaqi Wang

We propose Token Turing Machines (TTM), a sequential, autoregressive Transformer model with memory for real-world sequential visual understanding. Our model is inspired by the seminal Neural Turing Machine, and has an external memory…

Generating long-duration videos has always been a significant challenge due to the inherent complexity of spatio-temporal domain and the substantial GPU memory demands required to calculate huge size tensors. While diffusion based…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Siyang Zhang , Ser-Nam Lim

Current video-language models struggle with long-video understanding due to limited context lengths and reliance on sparse frame subsampling, often leading to information loss. This paper introduces $\infty$-Video, which can process…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Saul Santos , António Farinhas , Daniel C. McNamee , André F. T. Martins

Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Hongchen Wei , Zhenzhong Chen

Recent advances in vision-language models (VLMs) have shown great promise in connecting images and text, but extending these models to long videos remains challenging due to the rapid growth in token counts. Models that compress videos by…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Keunwoo Peter Yu , Achal Dave , Rares Ambrus , Jean Mercat

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

Medical video segmentation gains increasing attention in clinical practice due to the redundant dynamic references in video frames. However, traditional convolutional neural networks have a limited receptive field and transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Yijun Yang , Zhaohu Xing , Lequan Yu , Chunwang Huang , Huazhu Fu , Lei Zhu

Recent advances in video large language models have demonstrated strong capabilities in understanding short clips. However, scaling them to hours- or days-long videos remains highly challenging due to limited context capacity and the loss…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Woongyeong Yeo , Kangsan Kim , Jaehong Yoon , Sung Ju Hwang

Large language models still struggle with reliable long-term conversational memory: simply enlarging context windows or applying naive retrieval often introduces noise and destabilizes responses. We present APEX-MEM, a conversational memory…

Computation and Language · Computer Science 2026-04-17 Pratyay Banerjee , Masud Moshtaghi , Shivashankar Subramanian , Amita Misra , Ankit Chadha

Temporal segmentation of long videos is an important problem, that has largely been tackled through supervised learning, often requiring large amounts of annotated training data. In this paper, we tackle the problem of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Sathyanarayanan N. Aakur , Sudeep Sarkar

Existing large language models (LLMs) can only afford fix-sized inputs due to the input length limit, preventing them from utilizing rich long-context information from past inputs. To address this, we propose a framework, Language Models…

Computation and Language · Computer Science 2023-06-13 Weizhi Wang , Li Dong , Hao Cheng , Xiaodong Liu , Xifeng Yan , Jianfeng Gao , Furu Wei

Video object segmentation is challenging yet important in a wide variety of applications for video analysis. Recent works formulate video object segmentation as a prediction task using deep nets to achieve appealing state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Large Vision-Language Models (LVLMs) demonstrate remarkable performance in short-video tasks such as video question answering, but struggle in long-video understanding. The linear frame sampling strategy, conventionally used by LVLMs, fails…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves

Action prediction aims to infer the forthcoming human action with partially-observed videos, which is a challenging task due to the limited information underlying early observations. Existing methods mainly adopt a reconstruction strategy…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Zhiqiang Tao , Yue Bai , Handong Zhao , Sheng Li , Yu Kong , Yun Fu

Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video segments. However, existing methods predominantly localize…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Ruoliu Yang , Chu Wu , Caifeng Shan , Ran He , Chaoyou Fu

While multimodal large language models have demonstrated impressive short-term reasoning, they struggle with long-horizon video understanding due to limited context windows and static memory mechanisms that fail to mirror human cognitive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Niu Lian , Yuting Wang , Hanshu Yao , Jinpeng Wang , Bin Chen , Yaowei Wang , Min Zhang , Shu-Tao Xia

Learning a data-driven spatio-temporal semantic representation of the objects is the key to coherent and consistent labelling in video. This paper proposes to achieve semantic video object segmentation by learning a data-driven…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang