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Related papers: Open-World Object Counting in Videos

200 papers

Open-world object counting remains brittle: despite rapid advances in vision-language models (VLMs), reliably counting the objects a user intends is far from solved. We argue that a central reason is that counting granularity is left…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chang Liu , Haoning Wu , Weidi Xie

Pedestrian counting is a fundamental tool for understanding pedestrian patterns and crowd flow analysis. Existing works (e.g., image-level pedestrian counting, crossline crowd counting et al.) either only focus on the image-level counting…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Tao Han , Lei Bai , Junyu Gao , Qi Wang , Wanli Ouyang

Open World Object Detection (OWOD) is a challenging computer vision task that extends standard object detection by (1) detecting and classifying unknown objects without supervision, and (2) incrementally learning new object classes without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Riku Inoue , Masamitsu Tsuchiya , Yuji Yasui

Object tracking is central to robot perception and scene understanding. Tracking-by-detection has long been a dominant paradigm for object tracking of specific object categories. Recently, large-scale pre-trained models have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Wen-Hsuan Chu , Adam W. Harley , Pavel Tokmakov , Achal Dave , Leonidas Guibas , Katerina Fragkiadaki

Vision-language modeling has enabled open-vocabulary tasks where predictions can be queried using any text prompt in a zero-shot manner. Existing open-vocabulary tasks focus on object classes, whereas research on object attributes is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 María A. Bravo , Sudhanshu Mittal , Simon Ging , Thomas Brox

Supervised crowd counting relies heavily on costly manual labeling, which is difficult and expensive, especially in dense scenes. To alleviate the problem, we propose a novel unsupervised framework for crowd counting, named CrowdCLIP. The…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Dingkang Liang , Jiahao Xie , Zhikang Zou , Xiaoqing Ye , Wei Xu , Xiang Bai

Humans use context and scene knowledge to easily localize moving objects in conditions of complex illumination changes, scene clutter and occlusions. In this paper, we present a method to leverage human knowledge in the form of annotated…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Archith J. Bency , S. Karthikeyan , Carter De Leo , Santhoshkumar Sunderrajan , B. S. Manjunath

The rapid advancement in the field of deep learning and high performance computing has highly augmented the scope of video based vehicle counting system. In this paper, the authors deploy several state of the art object detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Vishal Mandal , Yaw Adu-Gyamfi

Standardized benchmarks are crucial for the majority of computer vision applications. Although leaderboards and ranking tables should not be over-claimed, benchmarks often provide the most objective measure of performance and are therefore…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Patrick Dendorfer , Hamid Rezatofighi , Anton Milan , Javen Shi , Daniel Cremers , Ian Reid , Stefan Roth , Konrad Schindler , Laura Leal-Taixé

Open-world perception aims to develop a model adaptable to novel domains and various sensor configurations and can understand uncommon objects and corner cases. However, current research lacks sufficiently comprehensive open-world 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zhongyu Xia , Jishuo Li , Zhiwei Lin , Xinhao Wang , Yongtao Wang , Ming-Hsuan Yang

Visual object counting has recently shifted towards class-agnostic counting (CAC), which addresses the challenge of counting objects across arbitrary categories, a crucial capability for flexible and generalizable counting systems. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Luca Ciampi , Ali Azmoudeh , Elif Ecem Akbaba , Erdi Sarıtaş , Ziya Ata Yazıcı , Hazım Kemal Ekenel , Giuseppe Amato , Fabrizio Falchi

Open-vocabulary object detection (OVD), detecting specific classes of objects using only their linguistic descriptions (e.g., class names) without any image samples, has garnered significant attention. However, in real-world applications,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

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

Event retrieval and recognition in a large corpus of videos necessitates a holistic fixed-size visual representation at the video clip level that is comprehensive, compact, and yet discriminative. It shall comprehensively aggregate…

Computer Vision and Pattern Recognition · Computer Science 2016-10-12 Zhanning Gao , Gang Hua , Dongqing Zhang , Jianru Xue , Nanning Zheng

Autonomous vehicles generate massive volumes of point cloud data, yet only a subset is relevant for specific tasks such as collision detection, traffic analysis, or congestion monitoring. Effectively querying this data is essential to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Xiaoyu Zhang , Zhifeng Bao , Hai Dong , Ziwei Wang , Jiajun Liu

Crowd counting aims to count the number of instantaneous people in a crowded space, and many promising solutions have been proposed for single image crowd counting. With the ubiquitous video capture devices in public safety field, how to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Xingjiao Wu , Baohan Xu , Yingbin Zheng , Hao Ye , Jing Yang , Liang He

Visual counting, a task that predicts the number of objects from an image/video, is an open-set problem by nature, i.e., the number of population can vary in $[0,+\infty)$ in theory. However, the collected images and labeled count values…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Haipeng Xiong , Hao Lu , Chengxin Liu , Liang Liu , Zhiguo Cao , Chunhua Shen

360{\deg} images can provide an omnidirectional field of view which is important for stable and long-term scene perception. In this paper, we explore 360{\deg} images for visual object tracking and perceive new challenges caused by large…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Huajian Huang , Yinzhe Xu , Yingshu Chen , Sai-Kit Yeung

Annotating object ground truth in videos is vital for several downstream tasks in robot perception and machine learning, such as for evaluating the performance of an object tracker or training an image-based object detector. The accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Eric Price , Aamir Ahmad

Object counting is an important task in computer vision due to its growing demand in applications such as surveillance, traffic monitoring, and counting everyday objects. State-of-the-art methods use regression-based optimization where they…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Issam H. Laradji , Negar Rostamzadeh , Pedro O. Pinheiro , David Vazquez , Mark Schmidt