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Sequential video understanding, as an emerging video understanding task, has driven lots of researchers' attention because of its goal-oriented nature. This paper studies weakly supervised sequential video understanding where the accurate…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Sixun Dong , Huazhang Hu , Dongze Lian , Weixin Luo , Yicheng Qian , Shenghua Gao

Repetitive action counting (RAC) aims to estimate the number of class-agnostic action occurrences in a video without exemplars. Most current RAC methods rely on a raw frame-to-frame similarity representation for period prediction. However,…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Sujia Wang , Xiangwei Shen , Yansong Tang , Xin Dong , Wenjia Geng , Lei Chen

Dense video prediction tasks, such as object tracking and semantic segmentation, require video encoders that generate temporally consistent, spatially dense features for every frame. However, existing approaches fall short: image encoders…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Sethuraman TV , Savya Khosla , Vignesh Srinivasakumar , Jiahui Huang , Seoung Wug Oh , Simon Jenni , Derek Hoiem , Joon-Young Lee

Pre-trained large vision-language models (VLMs) like CLIP demonstrate impressive generalization ability. Existing prompt-based and adapter-based works have made significant progress in fine-tuning VLMs but still face the challenges of…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Jiahui Wang , Qin Xu , Bo Jiang , Bin Luo

This paper presents a new self-supervised video representation learning framework, ARVideo, which autoregressively predicts the next video token in a tailored sequence order. Two key designs are included. First, we organize autoregressive…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Sucheng Ren , Hongru Zhu , Chen Wei , Yijiang Li , Alan Yuille , Cihang Xie

We introduce VideoLISA, a video-based multimodal large language model designed to tackle the problem of language-instructed reasoning segmentation in videos. Leveraging the reasoning capabilities and world knowledge of large language…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Zechen Bai , Tong He , Haiyang Mei , Pichao Wang , Ziteng Gao , Joya Chen , Lei Liu , Zheng Zhang , Mike Zheng Shou

Inspired by the remarkable success of autoregressive models in language modeling, this paradigm has been widely adopted in visual generation. However, the sequential token-by-token decoding mechanism inherent in traditional autoregressive…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Siyang Wang , Hanting Li , Wei Li , Jie Hu , Xinghao Chen , Feng Zhao

Recent advancements in deep learning have shown impressive results in image and video denoising, leveraging extensive pairs of noisy and noise-free data for supervision. However, the challenge of acquiring paired videos for dynamic scenes…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Zixuan Fu , Lanqing Guo , Chong Wang , Yufei Wang , Zhihao Li , Bihan Wen

Inspired by the dual-stream theory of the human visual system (HVS) - where the ventral stream is responsible for object recognition and detail analysis, while the dorsal stream focuses on spatial relationships and motion perception - an…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Li Yu , Situo Wang , Wei Zhou , Moncef Gabbouj

Controlling video and audio generation requires diverse modalities, from depth and pose to camera trajectories and audio transformations, yet existing approaches either train a single monolithic model for a fixed set of controls or…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Matan Ben-Yosef , Tavi Halperin , Naomi Ken Korem , Mohammad Salama , Harel Cain , Asaf Joseph , Anthony Chen , Urska Jelercic , Ofir Bibi

Despite the fact real-world video deinterlacing and demosaicing are well-suited to supervised learning from synthetically degraded data because the degradation models are known and fixed, learned video deinterlacing and demosaicing have…

图像与视频处理 · 电气工程与系统科学 2024-04-22 Ronglei Ji , A. Murat Tekalp

A video-grounded dialogue system referred to as the Structured Co-reference Graph Attention (SCGA) is presented for decoding the answer sequence to a question regarding a given video while keeping track of the dialogue context. Although…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Junyeong Kim , Sunjae Yoon , Dahyun Kim , Chang D. Yoo

Representation Alignment (REPA) that aligns Diffusion Transformer (DiT) hidden-states with ViT visual encoders has proven highly effective in DiT training, demonstrating superior convergence properties, but it has not been validated on the…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Yuchuan Tian , Hanting Chen , Mengyu Zheng , Yuchen Liang , Chao Xu , Yunhe Wang

Self-supervised representation learning for point cloud videos remains a challenging problem with two key limitations: (1) existing methods rely on explicit knowledge to learn motion, resulting in suboptimal representations; (2) prior…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Zhi Zuo , Chenyi Zhuang , Pan Gao , Jie Qin , Hao Feng , Nicu Sebe

Given a monocular video, segmenting and decoupling dynamic objects while recovering the static environment is a widely studied problem in machine intelligence. Existing solutions usually approach this problem in the image domain, limiting…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Tianhao Wu , Fangcheng Zhong , Andrea Tagliasacchi , Forrester Cole , Cengiz Oztireli

Designing dense rewards is crucial for reinforcement learning (RL), yet in robotics it often demands extensive manual effort and lacks scalability. One promising solution is to view task progress as a dense reward signal, as it quantifies…

人工智能 · 计算机科学 2026-05-21 Yuyang Liu , Chuan Wen , Yihang Hu , Dinesh Jayaraman , Yang Gao

Reinforcement Learning (RL) algorithms can learn robotic control tasks from visual observations, but they often require a large amount of data, especially when the visual scene is complex and unstructured. In this paper, we explore how the…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Ameya Pore , Riccardo Muradore , Diego Dall'Alba

Data replay is a successful incremental learning technique for images. It prevents catastrophic forgetting by keeping a reservoir of previous data, original or synthesized, to ensure the model retains past knowledge while adapting to novel…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Guodong Ding , Hans Golong , Angela Yao

This paper presents a novel approach 4DRecons that takes a single camera RGB-D sequence of a dynamic subject as input and outputs a complete textured deforming 3D model over time. 4DRecons encodes the output as a 4D neural implicit surface…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Xiaoyan Cong , Haitao Yang , Liyan Chen , Kaifeng Zhang , Li Yi , Chandrajit Bajaj , Qixing Huang

Recent weakly supervised video anomaly detection methods have achieved significant advances by employing unified frameworks for joint optimization. However, this paradigm is limited by a fundamental sensitivity-stability trade-off, as the…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Hantao Zheng , Ning Han , Yawen Zeng , Hao Chen