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Understanding user intent is essential for situational and context-aware decision-making. Motivated by a real-world scenario, this work addresses intent predictions of smart device users in the vicinity of vehicles by modeling sequential…

Current object detectors typically have a feature pyramid (FP) module for multi-level feature fusion (MFF) which aims to mitigate the gap between features from different levels and form a comprehensive object representation to achieve…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhe Chen , Jing Zhang , Yufei Xu , Dacheng Tao

Better generative models and larger datasets have led to more realistic fake videos that can fool the human eye but produce temporal and spatial artifacts that deep learning approaches can detect. Most current Deepfake detection methods…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Oscar de Lima , Sean Franklin , Shreshtha Basu , Blake Karwoski , Annet George

In this paper, we show that transferring knowledge from other domains of video understanding combined with large-scale learning can improve robustness of Video Object Segmentation (VOS) under complex circumstances. Namely, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Volodymyr Fedynyak , Yaroslav Romanus , Oles Dobosevych , Igor Babin , Roman Riazantsev

Humans have a remarkable ability to perceive and reason about the world around them by understanding the relationships between objects. In this paper, we investigate the effectiveness of using such relationships for object detection and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Osman Ülger , Yu Wang , Ysbrand Galama , Sezer Karaoglu , Theo Gevers , Martin R. Oswald

Temporal action localization aims to predict the boundary and category of each action instance in untrimmed long videos. Most of previous methods based on anchors or proposals neglect the global-local context interaction in entire video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Yizheng Ouyang , Tianjin Zhang , Weibo Gu , Hongfa Wang

Perceptual video quality assessment models are either frame-based or video-based, i.e., they apply spatiotemporal filtering or motion estimation to capture temporal video distortions. Despite their good performance on video quality…

Image and Video Processing · Electrical Eng. & Systems 2018-04-16 Christos G. Bampis , Zhi Li , Alan C. Bovik

Inspired by the complementarity between conventional frame-based and bio-inspired event-based cameras, we propose a multi-modal based approach to fuse visual cues from the frame- and event-domain to enhance the single object tracking…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jiqing Zhang , Xin Yang , Yingkai Fu , Xiaopeng Wei , Baocai Yin , Bo Dong

The challenging task of multi-object tracking (MOT) requires simultaneous reasoning about track initialization, identity, and spatio-temporal trajectories. We formulate this task as a frame-to-frame set prediction problem and introduce…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Tim Meinhardt , Alexander Kirillov , Laura Leal-Taixe , Christoph Feichtenhofer

Event-based vision sensors, inspired by biological neural systems, asynchronously capture local pixel-level intensity changes as a sparse event stream containing position, polarity, and timestamp information. These neuromorphic sensors…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Tiantian Xie , Pengpai Wang , Rosa H. M. Chan

Contemporary Video Instance Segmentation (VIS) methods typically adhere to a pre-train then fine-tune regime, where a segmentation model trained on images is fine-tuned on videos. However, the lack of temporal knowledge in the pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qing Zhong , Peng-Tao Jiang , Wen Wang , Guodong Ding , Lin Wu , Kaiqi Huang

Temporal Action Detection (TAD), the task of localizing and classifying actions in untrimmed video, remains challenging due to action overlaps and variable action durations. Recent findings suggest that TAD performance is dependent on the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Aglind Reka , Diana Laura Borza , Dominick Reilly , Michal Balazia , Francois Bremond

Event cameras have the ability to record continuous and detailed trajectories of objects with high temporal resolution, thereby providing intuitive motion cues for optical flow estimation. Nevertheless, most existing learning-based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Haotian Liu , Guang Chen , Sanqing Qu , Yanping Zhang , Zhijun Li , Alois Knoll , Changjun Jiang

3D occupancy, an advanced perception technology for driving scenarios, represents the entire scene without distinguishing between foreground and background by quantifying the physical space into a grid map. The widely adopted…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Jinke Li , Xiao He , Chonghua Zhou , Xiaoqiang Cheng , Yang Wen , Dan Zhang

Discriminative correlation filters (DCF) with deep convolutional features have achieved favorable performance in recent tracking benchmarks. However, most of existing DCF trackers only consider appearance features of current frame, and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Zheng Zhu , Wei Wu , Wei Zou , Junjie Yan

Multi-level features are important for saliency detection. Better combination and use of multi-level features with time information can greatly improve the accuracy of the video saliency model. In order to fully combine multi-level features…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Qinyao Chang , Shiping Zhu

In this work, we present SeqFormer for video instance segmentation. SeqFormer follows the principle of vision transformer that models instance relationships among video frames. Nevertheless, we observe that a stand-alone instance query…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Junfeng Wu , Yi Jiang , Song Bai , Wenqing Zhang , Xiang Bai

Event camera-based pattern recognition is a newly arising research topic in recent years. Current researchers usually transform the event streams into images, graphs, or voxels, and adopt deep neural networks for event-based classification.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xiao Wang , Yao Rong , Zongzhen Wu , Lin Zhu , Bo Jiang , Jin Tang , Yonghong Tian

Detecting salient objects from a video requires exploiting both spatial and temporal knowledge included in the video. We propose a novel region-based multiscale spatiotemporal saliency detection method for videos, where static features and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Trung-Nghia Le , Akihiro Sugimoto

Visual tracking has made significant improvements in the past few decades. Most existing state-of-the-art trackers 1) merely aim for performance in ideal conditions while overlooking the real-world conditions; 2) adopt the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ziang Cao , Ziyuan Huang , Liang Pan , Shiwei Zhang , Ziwei Liu , Changhong Fu