Revisiting crowd counting: State-of-the-art, trends, and future perspectives

MA Khan, H Menouar, R Hamila - Image and Vision Computing, 2023 - Elsevier
Crowd counting is an effective tool for situational awareness in public places. Automated
crowd counting using images and videos is an interesting yet challenging problem that has …

Approaches on crowd counting and density estimation: a review

B Li, H Huang, A Zhang, P Liu, C Liu - Pattern Analysis and Applications, 2021 - Springer
In recent years, urgent needs for counting crowds and vehicles have greatly promoted
research of crowd counting and density estimation. Benefiting from the rapid development of …

Rethinking counting and localization in crowds: A purely point-based framework

Q Song, C Wang, Z Jiang, Y Wang… - Proceedings of the …, 2021 - openaccess.thecvf.com
Localizing individuals in crowds is more in accordance with the practical demands of
subsequent high-level crowd analysis tasks than simply counting. However, existing …

A generalized loss function for crowd counting and localization

J Wan, Z Liu, AB Chan - … of the IEEE/CVF conference on …, 2021 - openaccess.thecvf.com
Previous work shows that a better density map representation can improve the performance
of crowd counting. In this paper, we investigate learning the density map representation …

Rethinking spatial invariance of convolutional networks for object counting

ZQ Cheng, Q Dai, H Li, J Song, X Wu… - Proceedings of the …, 2022 - openaccess.thecvf.com
Previous work generally believes that improving the spatial invariance of convolutional
networks is the key to object counting. However, after verifying several mainstream counting …

An end-to-end transformer model for crowd localization

D Liang, W Xu, X Bai - European Conference on Computer Vision, 2022 - Springer
Crowd localization, predicting head positions, is a more practical and high-level task than
simply counting. Existing methods employ pseudo-bounding boxes or pre-designed …

Transcrowd: weakly-supervised crowd counting with transformers

D Liang, X Chen, W Xu, Y Zhou, X Bai - Science China Information …, 2022 - Springer
The mainstream crowd counting methods usually utilize the convolution neural network
(CNN) to regress a density map, requiring point-level annotations. However, annotating …

Point-query quadtree for crowd counting, localization, and more

C Liu, H Lu, Z Cao, T Liu - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
We show that crowd counting can be viewed as a decomposable point querying process.
This formulation enables arbitrary points as input and jointly reasons whether the points are …

Represent, compare, and learn: A similarity-aware framework for class-agnostic counting

M Shi, H Lu, C Feng, C Liu… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Class-agnostic counting (CAC) aims to count all instances in a query image given few
exemplars. A standard pipeline is to extract visual features from exemplars and match them …

CCTrans: Simplifying and improving crowd counting with transformer

Y Tian, X Chu, H Wang - arxiv preprint arxiv:2109.14483, 2021 - arxiv.org
Most recent methods used for crowd counting are based on the convolutional neural
network (CNN), which has a strong ability to extract local features. But CNN inherently fails …