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Related papers: AFreeCA: Annotation-Free Counting for All

200 papers

Recently, the use of synthetic datasets based on game engines has been shown to improve the performance of several tasks in computer vision. However, these datasets are typically only appropriate for the specific domains depicted in…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Enric Moreu , Kevin McGuinness , Diego Ortego , Noel E. O'Connor

Generic object counting in natural scenes is a challenging computer vision problem. Existing approaches either rely on instance-level supervision or absolute count information to train a generic object counter. We introduce a partially…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Hisham Cholakkal , Guolei Sun , Salman Khan , Fahad Shahbaz Khan , Ling Shao , Luc Van Gool

Most existing crowd counting methods require object location-level annotation, i.e., placing a dot at the center of an object. While being simpler than the bounding-box or pixel-level annotation, obtaining this annotation is still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yinjie Lei , Yan Liu , Pingping Zhang , Lingqiao Liu

Object detection models typically rely on predefined categories, limiting their ability to identify novel objects in open-world scenarios. To overcome this constraint, we introduce ADAM: Autonomous Discovery and Annotation Model, a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Amirreza Rouhi , Solmaz Arezoomandan , Knut Peterson , Joseph T. Woods , David K. Han

Object counting is pivotal for understanding the composition of scenes. Previously, this task was dominated by class-specific methods, which have gradually evolved into more adaptable class-agnostic strategies. However, these strategies…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Anindya Mondal , Sauradip Nag , Xiatian Zhu , Anjan Dutta

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

Object counting, whose aim is to estimate the number of objects from a given image, is an important and challenging computation task. Significant efforts have been devoted to addressing this problem and achieved great progress, yet counting…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Guangshuai Gao , Qingjie Liu , Yunhong Wang

Counting the number of items in a visual scene remains a fundamental yet challenging task in computer vision. Traditional approaches to solving this problem rely on domain-specific counting architectures, which are trained using datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Kuinan Hou , Jing Mi , Marco Zorzi , Lamberto Ballan , Alberto Testolin

The flexibility and accuracy of methods for automatically counting objects in images and videos are limited by the way the object can be specified. While existing methods allow users to describe the target object with text and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Niki Amini-Naieni , Andrew Zisserman

Traditional image annotation tasks rely heavily on human effort for object selection and label assignment, making the process time-consuming and prone to decreased efficiency as annotators experience fatigue after extensive work. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 He Zhang , Xinyi Fu , John M. Carroll

Current class-agnostic counting methods can generalise to unseen classes but usually require reference images to define the type of object to be counted, as well as instance annotations during training. Reference-less class-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Michael Hobley , Victor Prisacariu

Object-centric learning aims to represent visual data with a set of object entities (a.k.a. slots), providing structured representations that enable systematic generalization. Leveraging advanced architectures like Transformers, recent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Ziyi Wu , Jingyu Hu , Wuyue Lu , Igor Gilitschenski , Animesh Garg

While unlabeled image data is often plentiful, the costs of high-quality labels pose an important practical challenge: Which images should one select for labeling to use the annotation budget for a particular target task most effectively?…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Niclas Popp , Dan Zhang , Jan Hendrik Metzen , Matthias Hein , Lukas Schott

Current deep networks are very data-hungry and benefit from training on largescale datasets, which are often time-consuming to collect and annotate. By contrast, synthetic data can be generated infinitely using generative models such as…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Weijia Wu , Yuzhong Zhao , Hao Chen , Yuchao Gu , Rui Zhao , Yefei He , Hong Zhou , Mike Zheng Shou , Chunhua Shen

Diffusion-based text-to-image generation models have demonstrated strong performance in terms of image quality and diversity. However, they still struggle to generate images that accurately reflect the number of objects specified in the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Joohyeon Lee , Jin-Seop Lee , Jee-Hyong Lee

Class-agnostic counting (CAC) has numerous potential applications across various domains. The goal is to count objects of an arbitrary category during testing, based on only a few annotated exemplars. In this paper, we point out that the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Jingyi Xu , Hieu Le , Dimitris Samaras

3D object pose estimation is a challenging task. Previous works always require thousands of object images with annotated poses for learning the 3D pose correspondence, which is laborious and time-consuming for labeling. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Fengrui Tian , Yaoyao Liu , Adam Kortylewski , Yueqi Duan , Shaoyi Du , Alan Yuille , Angtian Wang

Labeling visual data is expensive and time-consuming. Crowdsourcing systems promise to enable highly parallelizable annotations through the participation of monetarily or otherwise motivated workers, but even this approach has its limits.…

Human-Computer Interaction · Computer Science 2024-09-04 Christopher Klugmann , Rafid Mahmood , Guruprasad Hegde , Amit Kale , Daniel Kondermann

Counting is a fundamental operation for various real-world visual tasks, requiring both object recognition and robust counting capabilities. Despite their advanced visual perception, large vision-language models (LVLMs) are known to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Muhammad Fetrat Qharabagh , Mohammadreza Ghofrani , Kimon Fountoulakis

We propose a new method to count objects of specific categories that are significantly smaller than the ground sampling distance of a satellite image. This task is hard due to the cluttered nature of scenes where different object categories…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Andres C. Rodriguez , Jan D. Wegner