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相关论文: Spatial Uncertainty-Aware Semi-Supervised Crowd Co…

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The growing need to analyze large collections of documents has led to great developments in topic modeling. Since documents are frequently associated with other related variables, such as labels or ratings, much interest has been placed on…

机器学习 · 统计学 2018-08-20 Filipe Rodrigues , Mariana Lourenço , Bernardete Ribeiro , Francisco Pereira

Semi-supervised learning offers an appealing solution for remote sensing (RS) image segmentation to relieve the burden of labor-intensive pixel-level labeling. However, RS images pose unique challenges, including rich multi-scale features…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Shanwen Wang , Xin Sun , Changrui Chen , Danfeng Hong , Jungong Han

In this paper, we present a novel cross-consistency based semi-supervised approach for semantic segmentation. Consistency training has proven to be a powerful semi-supervised learning framework for leveraging unlabeled data under the…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Yassine Ouali , Céline Hudelot , Myriam Tami

Training deep convolutional neural networks usually requires a large amount of labeled data. However, it is expensive and time-consuming to annotate data for medical image segmentation tasks. In this paper, we present a novel…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Lequan Yu , Shujun Wang , Xiaomeng Li , Chi-Wing Fu , Pheng-Ann Heng

Emulating high-accuracy computationally expensive models is crucial for tasks requiring numerous model evaluations, such as uncertainty quantification and optimization. When lower-fidelity models are available, they can be used to improve…

统计方法学 · 统计学 2024-10-30 Katerina Giannoukou , Stefano Marelli , Bruno Sudret

Self-training crowd counting has not been attentively explored though it is one of the important challenges in computer vision. In practice, the fully supervised methods usually require an intensive resource of manual annotation. In order…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Pha Nguyen , Thanh-Dat Truong , Miaoqing Huang , Yi Liang , Ngan Le , Khoa Luu

For semi-supervised techniques to be applied safely in practice we at least want methods to outperform their supervised counterparts. We study this question for classification using the well-known quadratic surrogate loss function. Using a…

机器学习 · 统计学 2016-02-26 Jesse H. Krijthe , Marco Loog

Domain shift across crowd data severely hinders crowd counting models to generalize to unseen scenarios. Although domain adaptive crowd counting approaches close this gap to a certain extent, they are still dependent on the target domain…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Zhipeng Du , Jiankang Deng , Miaojing Shi

Spatial crowdsourcing (SC) engages large worker pools for location-based tasks, attracting growing research interest. However, prior SC task allocation approaches exhibit limitations in computational efficiency, balanced matching, and…

分布式、并行与集群计算 · 计算机科学 2023-10-20 Kun Li , Shengling Wang , Hongwei Shi , Xiuzhen Cheng , Minghui Xu

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

Spatial Crowdsourcing (SC) is a novel platform that engages individuals in the act of collecting various types of spatial data. This method of data collection can significantly reduce cost and turnover time, and is particularly useful in…

数据库 · 计算机科学 2017-04-27 Luan Tran , Hien To , Liyue Fan , Cyrus Shahabi

The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

图像与视频处理 · 电气工程与系统科学 2024-05-13 Zihang Liu , Chunhui Zhao

We propose a multitask approach for crowd counting and person localization in a unified framework. As the detection and localization tasks are well-correlated and can be jointly tackled, our model benefits from a multitask solution by…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Mohsen Zand , Haleh Damirchi , Andrew Farley , Mahdiyar Molahasani , Michael Greenspan , Ali Etemad

We address the problem of image-based crowd counting. In particular, we propose a new problem called unlabeled scene-adaptive crowd counting. Given a new target scene, we would like to have a crowd counting model specifically adapted to…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Mahesh Kumar Krishna Reddy , Mrigank Rochan , Yiwei Lu , Yang Wang

Semi-supervised learning aims to boost the accuracy of a model by exploring unlabeled images. The state-of-the-art methods are consistency-based which learn about unlabeled images by encouraging the model to give consistent predictions for…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Rongchang Xie , Chunyu Wang , Wenjun Zeng , Yizhou Wang

In order to leverage and profit from unlabelled data, semi-supervised frameworks for semantic segmentation based on consistency training have been proven to be powerful tools to significantly improve the performance of purely supervised…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Max Coenen , Tobias Schack , Dries Beyer , Christian Heipke , Michael Haist

Accurate and reliable building footprint maps are vital to urban planning and monitoring, and most existing approaches fall back on convolutional neural networks (CNNs) for building footprint generation. However, one limitation of these…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Qingyu Li , Yilei Shi , Xiao Xiang Zhu

In this paper, we propose a novel self-training approach named Crowd-SDNet that enables a typical object detector trained only with point-level annotations (i.e., objects are labeled with points) to estimate both the center points and sizes…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Yi Wang , Junhui Hou , Xinyu Hou , Lap-Pui Chau

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

Three important issues are often encountered in Supervised and Semi-Supervised Classification: class-memberships are unreliable for some training units (label noise), a proportion of observations might depart from the main structure of the…

应用统计 · 统计学 2020-07-02 Andrea Cappozzo , Francesca Greselin , Thomas Brendan Murphy