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相关论文: Semi-supervised Crowd Counting via Density Agency

200 篇论文

Crowd counting is a critical task in computer vision, with several important applications. However, existing counting methods rely on labor-intensive density map annotations, necessitating the manual localization of each individual…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Adriano D'Alessandro , Ali Mahdavi-Amiri , Ghassan Hamarneh

The mainstream crowd counting methods usually utilize the convolution neural network (CNN) to regress a density map, requiring point-level annotations. However, annotating each person with a point is an expensive and laborious process.…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Dingkang Liang , Xiwu Chen , Wei Xu , Yu Zhou , Xiang Bai

In this work, we propose a novel crowd counting network that progressively generates crowd density maps via residual error estimation. The proposed method uses VGG16 as the backbone network and employs density map generated by the final…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

We propose a novel crowd counting approach that leverages abundantly available unlabeled crowd imagery in a learning-to-rank framework. To induce a ranking of cropped images , we use the observation that any sub-image of a crowded scene…

计算机视觉与模式识别 · 计算机科学 2018-03-09 Xialei Liu , Joost van de Weijer , Andrew D. Bagdanov

Crowd counting, for estimating the number of people in a crowd using vision-based computer techniques, has attracted much interest in the research community. Although many attempts have been reported, real-world problems, such as huge…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Saeed Amirgholipour Kasmani , Xiangjian He , Wenjing Jia , Dadong Wang , Michelle Zeibots

In crowd counting datasets, each person is annotated by a point, which is usually the center of the head. And the task is to estimate the total count in a crowd scene. Most of the state-of-the-art methods are based on density map…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Zhiheng Ma , Xing Wei , Xiaopeng Hong , Yihong Gong

The task of crowd counting is to automatically estimate the pedestrian number in crowd images. To cope with the scale and perspective changes that commonly exist in crowd images, state-of-the-art approaches employ multi-column CNN…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Lu Zhang , Miaojing Shi , Qiaobo Chen

Occlusions, complex backgrounds, scale variations and non-uniform distributions present great challenges for crowd counting in practical applications. In this paper, we propose a novel method using an attention model to exploit head…

计算机视觉与模式识别 · 计算机科学 2018-06-28 Youmei Zhang , Chunluan Zhou , Faliang Chang , Alex C. Kot

In real-world crowd counting applications, the crowd densities vary greatly in spatial and temporal domains. A detection based counting method will estimate crowds accurately in low density scenes, while its reliability in congested areas…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Jiang Liu , Chenqiang Gao , Deyu Meng , Alexander G. Hauptmann

Single image crowd counting is a challenging computer vision problem with wide applications in public safety, city planning, traffic management, etc. With the recent development of deep learning techniques, crowd counting has aroused much…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Haoyue Bai , Jiageng Mao , S. -H. Gary Chan

Crowd density estimation is a well-known computer vision task aimed at estimating the density distribution of people in an image. The main challenge in this domain is the reliance on fine-grained location-level annotations, (i.e. points…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Mattia Litrico , Feng Chen , Michael Pound , Sotirios A Tsaftaris , Sebastiano Battiato , Mario Valerio Giuffrida

Crowd image is arguably one of the most laborious data to annotate. In this paper, we devote to reduce the massive demand of densely labeled crowd data, and propose a novel weakly-supervised setting, in which we leverage the binary ranking…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Zheng Xiong , Liangyu Chai , Wenxi Liu , Yongtuo Liu , Sucheng Ren , Shengfeng He

Noisy annotations such as missing annotations and location shifts often exist in crowd counting datasets due to multi-scale head sizes, high occlusion, etc. These noisy annotations severely affect the model training, especially for density…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Mingliang Dai , Zhizhong Huang , Jiaqi Gao , Hongming Shan , Junping Zhang

Crowd counting has achieved significant progress by training regressors to predict instance positions. In heavily crowded scenarios, however, regressors are challenged by uncontrollable annotation variance, which causes density map bias and…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Mingyue Guo , Li Yuan , Zhaoyi Yan , Binghui Chen , Yaowei Wang , Qixiang Ye

Recently, crowd counting is a hot topic in crowd analysis. Many CNN-based counting algorithms attain good performance. However, these methods only focus on the local appearance features of crowd scenes but ignore the large-range pixel-wise…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Junyu Gao , Qi Wang , Yuan Yuan

We propose a novel crowd counting model that maps a given crowd scene to its density. Crowd analysis is compounded by myriad of factors like inter-occlusion between people due to extreme crowding, high similarity of appearance between…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Deepak Babu Sam , Shiv Surya , R. Venkatesh Babu

In this paper, we propose a novel framework that combines ensemble learning with augmented graph structures to improve the performance and robustness of semi-supervised node classification in graphs. By creating multiple augmented views of…

机器学习 · 计算机科学 2025-03-25 Maryam Abdolali , Romina Zakerian , Behnam Roshanfekr , Fardin Ayar , Mohammad Rahmati

Recent advancements in semi-supervised deep learning have introduced effective strategies for leveraging both labeled and unlabeled data to improve classification performance. This work proposes a semi-supervised framework that utilizes a…

机器学习 · 计算机科学 2025-05-21 Aydin Abedinia , Shima Tabakhi , Vahid Seydi

We present Music Tagging Transformer that is trained with a semi-supervised approach. The proposed model captures local acoustic characteristics in shallow convolutional layers, then temporally summarizes the sequence of the extracted…

声音 · 计算机科学 2021-11-29 Minz Won , Keunwoo Choi , Xavier Serra

Anomaly detection or more generally outliers detection is one of the most popular and challenging subject in theoretical and applied machine learning. The main challenge is that in general we have access to very few labeled data or no…

机器学习 · 计算机科学 2023-05-31 Mansour Zoubeirou A Mayaki , Michel Riveill