activity
20202026
most citedFine-Grained Crowd Counting

37 citations · 38 across the 9 of their papers we have counts for

collaborators

13 papers

cs.CV2026

Multi-Scale Semantic Mapping in Urban Environments via Observation Calibration and Policy Dependence Regularization

Runling Long, Junhao Feng, Jia Wan

Semantic mapping is fundamental to embodied navigation, yet existing methods are developed for indoor environments, where objects exhibit relatively limited scale variation and are…

cs.CV2026

Train the Agent, Not the Expert: Learning to Harness Heterogeneous Experts for Multi-Turn Visual Reasoning

Yaowu Fan, Tao Han, Dazhao Du +2

Recent progress in computer vision has produced a wide range of powerful specialized models for detection, segmentation, counting, and other visual tasks. However, these models are…

cs.CV2026

Dense Point-to-Mask Optimization with Reinforced Point Selection for Crowd Instance Segmentation

Hongru Chen, Jiyang Huang, Jia Wan +1

Crowd instance segmentation is a crucial task with a wide range of applications, including surveillance and transportation. Currently, point labels are common in crowd datasets, wh…

cs.CV2026

Exclusivity-Guided Mask Learning for Semi-Supervised Crowd Instance Segmentation and Counting

Jiyang Huang, Hongru Chen, Wei Lin +2

Semi-supervised crowd analysis is a prominent area of research, as unlabeled data are typically abundant and inexpensive to obtain. However, traditional point-based annotations con…

cs.CV2026

Video Individual Counting and Tracking from Moving Drones: A Benchmark and Methods

Yaowu Fan, Jia Wan, Tao Han +3

Counting and tracking dense crowds in large-scale scenes is valuable yet challenging, while existing methods and datasets are largely limited to fixed cameras with small scene cove…

cs.CV2025

Temporal Unlearnable Examples: Preventing Personal Video Data from Unauthorized Exploitation by Object Tracking

Qiangqiang Wu, Yi Yu, Chenqi Kong +5

With the rise of social media, vast amounts of user-uploaded videos (e.g., YouTube) are utilized as training data for Visual Object Tracking (VOT). However, the VOT community has l…

cs.CV2025

Density-based Object Detection in Crowded Scenes

Chenyang Zhao, Jia Wan, Antoni B. Chan

Compared with the generic scenes, crowded scenes contain highly-overlapped instances, which result in: 1) more ambiguous anchors during training of object detectors, and 2) more pr…

cs.CV2025

Video Individual Counting for Moving Drones

Yaowu Fan, Jia Wan, Tao Han +2

Video Individual Counting (VIC) has received increasing attention for its importance in intelligent video surveillance. Existing works are limited in two aspects, i.e., dataset and…

cs.CV2025

Embodied Crowd Counting

Runling Long, Yunlong Wang, Jia Wan +5

Occlusion is one of the fundamental challenges in crowd counting. In the community, various data-driven approaches have been developed to address this issue, yet their effectivenes…

cs.CV2024

A New Method to Capturing Compositional Knowledge in Linguistic Space

Jiahe Wan

Compositional understanding allows visual language models to interpret complex relationships between objects, attributes, and relations in images and text. However, most existing m…

cs.CV2024

Robust Zero-Shot Crowd Counting and Localization With Adaptive Resolution SAM

Jia Wan, Qiangqiang Wu, Wei Lin +1

The existing crowd counting models require extensive training data, which is time-consuming to annotate. To tackle this issue, we propose a simple yet effective crowd counting meth…

cs.LG2021★ 1 cited

Weight Rescaling: Effective and Robust Regularization for Deep Neural Networks with Batch Normalization

Ziquan Liu, Yufei Cui, Jia Wan +2

Weight decay is often used to ensure good generalization in the training practice of deep neural networks with batch normalization (BN-DNNs), where some convolution layers are inva…

cs.CV2020★ 37 cited

Fine-Grained Crowd Counting

Jia Wan, Nikil Senthil Kumar, Antoni B. Chan

Current crowd counting algorithms are only concerned about the number of people in an image, which lacks low-level fine-grained information of the crowd. For many practical applica…