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Related papers: Faster Diffusion Action Segmentation

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As neuromorphic sensors, event cameras asynchronously record changes in brightness as streams of sparse events with the advantages of high temporal resolution and high dynamic range. Reconstructing intensity images from events is a highly…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Weilun Li , Lei Sun , Ruixi Gao , Qi Jiang , Yuqin Ma , Kaiwei Wang , Ming-Hsuan Yang , Luc Van Gool , Danda Pani Paudel

Video generation has drawn significant interest recently, pushing the development of large-scale models capable of producing realistic videos with coherent motion. Due to memory constraints, these models typically generate short video…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Idan Kligvasser , Regev Cohen , George Leifman , Ehud Rivlin , Michael Elad

Temporal action segmentation in untrimmed procedural videos aims to densely label frames into action classes. These videos inherently exhibit long-tailed distributions, where actions vary widely in frequency and duration. In temporal action…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zhanzhong Pang , Fadime Sener , Shrinivas Ramasubramanian , Angela Yao

Unsupervised video object segmentation has often been tackled by methods based on recurrent neural networks and optical flow. Despite their complexity, these kinds of approaches tend to favour short-term temporal dependencies and are thus…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Zhao Yang , Qiang Wang , Luca Bertinetto , Weiming Hu , Song Bai , Philip H. S. Torr

Temporal action detection (TAD) is a fundamental video understanding task that aims to identify human actions and localize their temporal boundaries in videos. Although this field has achieved remarkable progress in recent years, further…

Diffusion Transformers (DiT) excel at image and video generation but face computational challenges due to the quadratic complexity of self-attention operators. We propose DiTFastAttn, a post-training compression method to alleviate the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Zhihang Yuan , Hanling Zhang , Pu Lu , Xuefei Ning , Linfeng Zhang , Tianchen Zhao , Shengen Yan , Guohao Dai , Yu Wang

Generating temporally-consistent high-fidelity videos can be computationally expensive, especially over longer temporal spans. More-recent Diffusion Transformers (DiTs) -- despite making significant headway in this context -- have only…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Kumara Kahatapitiya , Haozhe Liu , Sen He , Ding Liu , Menglin Jia , Chenyang Zhang , Michael S. Ryoo , Tian Xie

In this paper, we examine a key limitation in query-based detectors for temporal action detection (TAD), which arises from their direct adaptation of originally designed architectures for object detection. Despite the effectiveness of the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Ho-Joong Kim , Yearang Lee , Jung-Ho Hong , Seong-Whan Lee

Diffusion Transformers (DiTs) have demonstrated exceptional performance in high-fidelity image and video generation. To reduce their substantial computational costs, feature caching techniques have been proposed to accelerate inference by…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Shikang Zheng , Liang Feng , Xinyu Wang , Qinming Zhou , Peiliang Cai , Chang Zou , Jiacheng Liu , Yuqi Lin , Junjie Chen , Yue Ma , Linfeng Zhang

Large-scale text-to-video models have shown remarkable abilities, but their direct application in video editing remains challenging due to limited available datasets. Current video editing methods commonly require per-video fine-tuning of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Zhenghao Zhang , Zuozhuo Dai , Long Qin , Weizhi Wang

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

Temporal Action Localization (TAL) remains a fundamental challenge in video understanding, aiming to identify the start time, end time, and category of all action instances within untrimmed videos. While recent single-stage, anchor-free…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Thisara Rathnayaka , Uthayasanker Thayasivam

Neural diffusion processes provide a scalable, non-Gaussian approach to modelling distributions over functions, but existing formulations are limited to single-task inference and do not capture dependencies across related tasks. In many…

Machine Learning · Computer Science 2026-01-19 Joseph Rawson , Domniki Ladopoulou , Petros Dellaportas

Recent advancements in video diffusion models based on Diffusion Transformers (DiTs) have achieved remarkable success in generating temporally coherent videos. Yet, a fundamental question persists: how do these models internally establish…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Jisu Nam , Soowon Son , Dahyun Chung , Jiyoung Kim , Siyoon Jin , Junhwa Hur , Seungryong Kim

Modern video segmentation methods adopt object queries to perform inter-frame association and demonstrate satisfactory performance in tracking continuously appearing objects despite large-scale motion and transient occlusion. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yikang Zhou , Tao Zhang , Shunping Ji , Shuicheng Yan , Xiangtai Li

Temporal abstraction and efficient planning pose significant challenges in offline reinforcement learning, mainly when dealing with domains that involve temporally extended tasks and delayed sparse rewards. Existing methods typically plan…

Machine Learning · Computer Science 2023-10-03 Wenhao Li

Action segmentation is a core challenge in high-level video understanding, aiming to partition untrimmed videos into segments and assign each a label from a predefined action set. Existing methods primarily address single-person activities…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Kunyu Peng , Junchao Huang , Xiangsheng Huang , Di Wen , Junwei Zheng , Yufan Chen , Kailun Yang , Jiamin Wu , Chongqing Hao , Rainer Stiefelhagen

Temporal action detection (TAD) aims to identify and localize action instances in untrimmed videos, which is essential for various video understanding tasks. However, recent improvements in model performance, driven by larger feature…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Xiaoyong Chen , Yong Guo , Jiaming Liang , Sitong Zhuang , Runhao Zeng , Xiping Hu

High-fidelity video generation remains challenging for diffusion models due to the difficulty of modeling complex spatio-temporal dynamics efficiently. Recent video diffusion methods typically represent a video as a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Minh Khoa Le , Kien Do , Duc Thanh Nguyen , Truyen Tran

Temporal action detection (TAD) is an important yet challenging task in video understanding. It aims to simultaneously predict the semantic label and the temporal interval of every action instance in an untrimmed video. Rather than…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Xiaolong Liu , Song Bai , Xiang Bai