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Although deep learning has enabled a huge leap forward in image inpainting, current methods are often unable to synthesize realistic high-frequency details. In this paper, we propose applying super-resolution to coarsely reconstructed…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Soo Ye Kim , Kfir Aberman , Nori Kanazawa , Rahul Garg , Neal Wadhwa , Huiwen Chang , Nikhil Karnad , Munchurl Kim , Orly Liba

Analyzing gigapixel images is recognized as computationally demanding. In this paper, we introduce PyramidAI, a technique for analyzing gigapixel images with reduced computational cost. The proposed approach adopts a gradual analysis of the…

分布式、并行与集群计算 · 计算机科学 2025-09-03 Marie Reinbigler , Rishi Sharma , Rafael Pires , Elisabeth Brunet , Anne-Marie Kermarrec , Catalin Fetita

Crowd counting has recently attracted increasing interest in computer vision but remains a challenging problem. In this paper, we propose a trellis encoder-decoder network (TEDnet) for crowd counting, which focuses on generating…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Xiaolong Jiang , Zehao Xiao , Baochang Zhang , Xiantong Zhen , Xianbin Cao , David Doermann , Ling Shao

This paper focuses on semi-supervised crowd counting, where only a small portion of the training data are labeled. We formulate the pixel-wise density value to regress as a probability distribution, instead of a single deterministic value.…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Hui Lin , Zhiheng Ma , Rongrong Ji , Yaowei Wang , Zhou Su , Xiaopeng Hong , Deyu Meng

Crowd-sourcing is an increasingly popular tool for image analysis in animal ecology. Computer vision methods that can utilize crowd-sourced annotations can help scale up analysis further. In this work we study the potential to do so on the…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Justin Kay , Catherine M. Foley , Tom Hart

To learn a reliable people counter from crowd images, head center annotations are normally required. Annotating head centers is however a laborious and tedious process in dense crowds. In this paper, we present an active learning framework…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Zhen Zhao , Miaojing Shi , Xiaoxiao Zhao , Li Li

Traditional crowd counting approaches usually use Gaussian assumption to generate pseudo density ground truth, which suffers from problems like inaccurate estimation of the Gaussian kernel sizes. In this paper, we propose a new…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Hui Lin , Xiaopeng Hong , Zhiheng Ma , Xing Wei , Yunfeng Qiu , Yaowei Wang , Yihong Gong

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

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

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density in the image plane. While useful for this purpose, this image-plane density has no immediate physical meaning because it is…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Weizhe Liu , Krzysztof Lis , Mathieu Salzmann , Pascal Fua

We consider the problem of segmenting dynamic regions in CrowdCam images, where a dynamic region is the projection of a moving 3D object on the image plane. Quite often, these regions are the most interesting parts of an image. CrowdCam…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Nir Zarrabi , Shai Avidan , Yael Moses

Multi-view crowd counting has been previously proposed to utilize multi-cameras to extend the field-of-view of a single camera, capturing more people in the scene, and improve counting performance for occluded people or those in low…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Qi Zhang , Wei Lin , Antoni B. Chan

The estimation of crowd count in images has a wide range of applications such as video surveillance, traffic monitoring, public safety and urban planning. Recently, the convolutional neural network (CNN) based approaches have been shown to…

计算机视觉与模式识别 · 计算机科学 2018-05-16 Xinghao Ding , Zhirui Lin , Fujin He , Yu Wang , Yue Huang

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

Supervised crowd counting relies heavily on costly manual labeling, which is difficult and expensive, especially in dense scenes. To alleviate the problem, we propose a novel unsupervised framework for crowd counting, named CrowdCLIP. The…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Dingkang Liang , Jiahao Xie , Zhikang Zou , Xiaoqing Ye , Wei Xu , Xiang Bai

Visual crowd counting has been recently studied as a way to enable people counting in crowd scenes from images. Albeit successful, vision-based crowd counting approaches could fail to capture informative features in extreme conditions,…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Di Hu , Lichao Mou , Qingzhong Wang , Junyu Gao , Yuansheng Hua , Dejing Dou , Xiao Xiang Zhu

Crowd counting aims to predict the number of people and generate the density map in the image. There are many challenges, including varying head scales, the diversity of crowd distribution across images and cluttered backgrounds. In this…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Xin Wang , Yang Zhao , Tangwen Yang , Qiuqi Ruan

Crowd scene analysis has received a lot of attention recently due to the wide variety of applications, for instance, forensic science, urban planning, surveillance and security. In this context, a challenging task is known as crowd…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Rodolfo Quispe , Darwin Ttito , Adín Ramírez Rivera , Helio Pedrini

Detecting and Counting people in a human crowd from a moving drone present challenging problems that arisefrom the constant changing in the image perspective andcamera angle. In this paper, we test two different state-of-the-art approaches,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Javier Gonzalez-Trejo , Diego Mercado-Ravell

Density estimation is one of the most widely used methods for crowd counting in which a deep learning model learns from head-annotated crowd images to estimate crowd density in unseen images. Typically, the learning performance of the model…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila