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Related papers: XMem: Long-Term Video Object Segmentation with an …

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Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

Long-form video understanding poses a significant challenge for video large language models (VideoLLMs) due to prohibitively high computational and memory demands. In this paper, we propose FlexSelect, a flexible and efficient token…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yunzhu Zhang , Yu Lu , Tianyi Wang , Fengyun Rao , Yi Yang , Linchao Zhu

This paper is on long-term video understanding where the goal is to recognise human actions over long temporal windows (up to minutes long). In prior work, long temporal context is captured by constructing a long-term memory bank consisting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Ioanna Ntinou , Enrique Sanchez , Georgios Tzimiropoulos

Object detection in videos has drawn increasing attention since it is more practical in real scenarios. Most of the deep learning methods use CNNs to process each decoded frame in a video stream individually. However, the free of charge yet…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Shiyao Wang , Hongchao Lu , Zhidong Deng

Transformers have recently been popular for learning and inference in the spatial-temporal domain. However, their performance relies on storing and applying attention to the feature tensor of each frame in video. Hence, their space and time…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Hung Nguyen , Chanho Kim , Fuxin Li

Time series data constitutes a distinct and growing problem in machine learning. As the corpus of time series data grows larger, deep models that simultaneously learn features and classify with these features can be intractable or…

Machine Learning · Computer Science 2018-01-25 Hugh Chen , Scott Lundberg , Su-In Lee

World simulation has gained increasing popularity due to its ability to model virtual environments and predict the consequences of actions. However, the limited temporal context window often leads to failures in maintaining long-term…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Zeqi Xiao , Yushi Lan , Yifan Zhou , Wenqi Ouyang , Shuai Yang , Yanhong Zeng , Xingang Pan

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

Computer Vision and Pattern Recognition · Computer Science 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue

We propose an end-to-end learning framework for segmenting generic objects in both images and videos. Given a novel image or video, our approach produces a pixel-level mask for all "object-like" regions---even for object categories never…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Bo Xiong , Suyog Dutt Jain , Kristen Grauman

Semantic Segmentation combines two sub-tasks: the identification of pixel-level image masks and the application of semantic labels to those masks. Recently, so-called Foundation Models have been introduced; general models trained on very…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 David Balaban , Justin Medich , Pranay Gosar , Justin Hart

Current prevailing Video Object Segmentation methods follow the pipeline of extraction-then-matching, which first extracts features on current and reference frames independently, and then performs dense matching between them. This decoupled…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Jiaming Zhang , Yutao Cui , Gangshan Wu , Limin Wang

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

While most modern video understanding models operate on short-range clips, real-world videos are often several minutes long with semantically consistent segments of variable length. A common approach to process long videos is applying a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Mohamed Afham , Satya Narayan Shukla , Omid Poursaeed , Pengchuan Zhang , Ashish Shah , Sernam Lim

This paper presents a novel method to involve both spatial and temporal features for semantic video segmentation. Current work on convolutional neural networks(CNNs) has shown that CNNs provide advanced spatial features supporting a very…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Mohsen Fayyaz , Mohammad Hajizadeh Saffar , Mohammad Sabokrou , Mahmood Fathy , Reinhard Klette , Fay Huang

We propose an efficient plug-and-play acceleration framework for semi-supervised video object segmentation by exploiting the temporal redundancies in videos presented by the compressed bitstream. Specifically, we propose a motion…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Kai Xu , Angela Yao

We present SpatialMem, a memory-centric system for long-horizon, language-grounded retrieval and QA from egocentric video, where metric 3D serves as an interpretable indexing scaffold rather than an explicit mapping objective. Starting from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Xinyi Zheng , Yunze Liu , Chi-Hao Wu , Fan Zhang , Hao Zheng , Wenqi Zhou , Walterio W. Mayol-Cuevas , Junxiao Shen

Multimodal large language models (MLLMs) have made significant progress in visual-language reasoning, but their ability to efficiently handle long videos remains limited. Despite recent advances in long-context MLLMs, storing and attending…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Yanlai Yang , Zhuokai Zhao , Satya Narayan Shukla , Aashu Singh , Shlok Kumar Mishra , Lizhu Zhang , Mengye Ren

Memory-based video object segmentation methods model multiple objects over long temporal-spatial spans by establishing memory bank, which achieve the remarkable performance. However, they struggle to overcome the false matching and are…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jintu Zheng , Yun Liang , Yuqing Zhang , Wanchao Su

Despite recent advances in Vision-Language Models (VLMs), long-video understanding remains a challenging problem. Although state-of-the-art long-context VLMs can process around 1000 input frames, they still struggle to effectively leverage…

Machine Learning · Computer Science 2025-07-04 Anurag Arnab , Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Recent neural-network-based architectures for image segmentation make extensive usage of feature forwarding mechanisms to integrate information from multiple scales. Although yielding good results, even deeper architectures and alternative…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Fausto Milletari , Nicola Rieke , Maximilian Baust , Marco Esposito , Nassir Navab
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