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Recent vision-language pre-training models have exhibited remarkable generalization ability in zero-shot recognition tasks. Previous open-vocabulary 3D scene understanding methods mostly focus on training 3D models using either image or…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Ruihuang Li , Zhengqiang Zhang , Chenhang He , Zhiyuan Ma , Vishal M. Patel , Lei Zhang

Self-supervised video denoising methods typically extend image-based frameworks into the temporal dimension, yet they often struggle to integrate inter-frame temporal consistency with intra-frame spatial specificity. Existing Video…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Mingjie Ji , Zhan Shi , Kailai Zhou , Zixuan Fu , Xun Cao

Efficiently merging several models fine-tuned for different tasks, but stemming from the same pretrained base model, is of great practical interest. Despite extensive prior work, most evaluations of model merging in computer vision are…

Traditional video reasoning segmentation methods rely on supervised fine-tuning, which limits generalization to out-of-distribution scenarios and lacks explicit reasoning. To address this, we propose \textbf{VideoSeg-R1}, the first…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Zishan Xu , Yifu Guo , Yuquan Lu , Fengyu Yang , Junxin Li

Denoising is one of the fundamental steps of the processing pipeline that converts data captured by a camera sensor into a display-ready image or video. It is generally performed early in the pipeline, usually before demosaicking, although…

图像与视频处理 · 电气工程与系统科学 2024-12-02 Marco Sánchez-Beeckman , Antoni Buades , Nicola Brandonisio , Bilel Kanoun

We present a self-supervised approach for learning video representations using temporal video alignment as a pretext task, while exploiting both frame-level and video-level information. We leverage a novel combination of temporal alignment…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Sanjay Haresh , Sateesh Kumar , Huseyin Coskun , Shahram Najam Syed , Andrey Konin , Muhammad Zeeshan Zia , Quoc-Huy Tran

Video Temporal Grounding (VTG) faces a cross-modal semantic gap that often leads to background features being incorrectly aligned with the query, while directly matching the query to moments results in insufficient discriminability and…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Ran Ran , Jiwei Wei , Shuchang Zhou , Yitong Qin , Shiyuan He , Zeyu Ma , Yuyang Zhou , Yang Yang

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Representation Autoencoders (RAEs) leverage frozen vision foundation models (VFMs) as tokenizer encoders, providing robust high-level representations that facilitate fast convergence and high-quality generation in latent diffusion models.…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Tianhang Wang , Yitong Chen , Wei Song , Zuxuan Wu , Min Li , Jiaqi Wang

We study pre-training representations for decision-making using video data, which is abundantly available for tasks such as game agents and software testing. Even though significant empirical advances have been made on this problem, a…

机器学习 · 计算机科学 2024-03-21 Dipendra Misra , Akanksha Saran , Tengyang Xie , Alex Lamb , John Langford

Tokens are discrete representations that allow modern deep learning to scale by transforming high-dimensional data into sequences that can be efficiently learned, generated, and generalized to new tasks. These have become foundational for…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Levi Lingsch , Georgios Kissas , Johannes Jakubik , Siddhartha Mishra

Recent advances in video generation have been dominated by diffusion and flow-matching models, which produce high-quality results but remain computationally intensive and difficult to scale. In this work, we introduce VideoAR, the first…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Longbin Ji , Xiaoxiong Liu , Junyuan Shang , Shuohuan Wang , Yu Sun , Hua Wu , Haifeng Wang

Pixel-space diffusion has recently re-emerged as a strong alternative to latent diffusion, enabling high-quality generation without pretrained autoencoders. However, standard pixel-space diffusion models receive relatively weak semantic…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Han Lin , Xichen Pan , Zun Wang , Yue Zhang , Chu Wang , Jaemin Cho , Mohit Bansal

As the most essential property in a video, motion information is critical to a robust and generalized video representation. To inject motion dynamics, recent works have adopted frame difference as the source of motion information in video…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Minghao Zhu , Xiao Lin , Ronghao Dang , Chengju Liu , Qijun Chen

Vision-language models (VLMs) have recently emerged as a promising paradigm for video anomaly detection (VAD) due to their strong visual reasoning ability and natural language-based explainability. In this paper, we aim to address a key…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Mitchell Piehl , Muchao Ye

In the evolving landscape of video enhancement and editing methodologies, a majority of deep learning techniques often rely on extensive datasets of observed input and ground truth sequence pairs for optimal performance. Such reliance often…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Gaurav Shrivastava , Ser-Nam Lim , Abhinav Shrivastava

Point cloud video representation learning is challenging due to complex structures and unordered spatial arrangement. Traditional methods struggle with frame-to-frame correlations and point-wise correspondence tracking. Recently, partial…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Zhuoxu Huang , Zhenkun Fan , Tao Xu , Jungong Han

The heterogeneity between high-level vision-language understanding and low-level action control remains a fundamental challenge in robotic manipulation. Although recent methods have advanced task-specific action alignment, they often…

机器人学 · 计算机科学 2026-03-16 Wuding Weng , Tongshu Wu , Liucheng Chen , Siyu Xie , Zheng Wang , Xing Xu , Jingkuan Song , Heng Tao Shen

Unsupervised 3D representation learning reduces the burden of labeling multimodal 3D data for fusion perception tasks. Among different pre-training paradigms, differentiable-rendering-based methods have shown most promise. However, existing…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Runjian Chen , Hang Zhang , Avinash Ravichandran , Hyoungseob Park , Wenqi Shao , Alex Wong , Ping Luo

Temporal video alignment aims to synchronize the key events like object interactions or action phase transitions in two videos. Such methods could benefit various video editing, processing, and understanding tasks. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ishan Rajendrakumar Dave , Fabian Caba Heilbron , Mubarak Shah , Simon Jenni