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As generative technologies advance, visual content has evolved into a complex mix of natural and AI-generated images, driving the need for more efficient coding techniques that prioritize perceptual quality. Traditional codecs and learned…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Jianhui Chang

Crowd counting is a concerned and challenging task in computer vision. Existing density map based methods excessively focus on the individuals' localization which harms the crowd counting performance in highly congested scenes. In addition,…

计算机视觉与模式识别 · 计算机科学 2020-05-21 Xinya Chen , Yanrui Bin , Changxin Gao , Nong Sang , Hao Tang

Crowd counting and localization have become increasingly important in computer vision due to their wide-ranging applications. While point-based strategies have been widely used in crowd counting methods, they face a significant challenge,…

计算机视觉与模式识别 · 计算机科学 2024-05-20 I-Hsiang Chen , Wei-Ting Chen , Yu-Wei Liu , Ming-Hsuan Yang , Sy-Yen Kuo

Crowd counting is to estimate the number of objects (e.g., people or vehicles) in an image of unconstrained congested scenes. Designing a general crowd counting algorithm applicable to a wide range of crowd images is challenging, mainly due…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Haoyue Bai , Song Wen , S. -H. Gary Chan

Accurately locating each head's position in the crowd scenes is a crucial task in the field of crowd analysis. However, traditional density-based methods only predict coarse prediction, and segmentation/detection-based methods cannot handle…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Junyu Gao , Tao Han , Qi Wang , Yuan Yuan , Xuelong Li

Datasets for training crowd counting deep networks are typically heavy-tailed in count distribution and exhibit discontinuities across the count range. As a result, the de facto statistical measures (MSE, MAE) exhibit large variance and…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Sravya Vardhani Shivapuja , Mansi Pradeep Khamkar , Divij Bajaj , Ganesh Ramakrishnan , Ravi Kiran Sarvadevabhatla

Drones shooting can be applied in dynamic traffic monitoring, object detecting and tracking, and other vision tasks. The variability of the shooting location adds some intractable challenges to these missions, such as varying scale,…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Zhiyuan Zhao , Tao Han , Junyu Gao , Qi Wang , Xuelong Li

Automatic estimation of the number of people in unconstrained crowded scenes is a challenging task and one major difficulty stems from the huge scale variation of people. In this paper, we propose a novel Deep Structured Scale Integration…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Lingbo Liu , Zhilin Qiu , Guanbin Li , Shufan Liu , Wanli Ouyang , Liang Lin

The problem of automated crowd segmentation and counting has garnered significant interest in the field of video surveillance. This paper proposes a novel scene invariant crowd segmentation and counting algorithm designed with high accuracy…

计算机视觉与模式识别 · 计算机科学 2016-02-02 Parthipan Siva , Mohammad Javad Shafiee , Mike Jamieson , Alexander Wong

Since COVID-19, crowd-counting tasks have gained wide applications. While supervised methods are reliable, annotation is more challenging in high-density scenes due to small head sizes and severe occlusion, whereas it's simpler in…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Guoliang Xu , Jianqin Yin , Ren Zhang , Yonghao Dang , Feng Zhou , Bo Yu

Counting people in dense crowds is a demanding task even for humans. This is primarily due to the large variability in appearance of people. Often people are only seen as a bunch of blobs. Occlusions, pose variations and background clutter…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Deepak Babu Sam , R. Venkatesh Babu

An important aspect of crowd monitoring is knowing how many people we are dealing with. Sometimes, knowing the size of a crowd in a single location and at a specific moment is enough. Matters become problematic when counting the same people…

密码学与安全 · 计算机科学 2026-04-17 Fatemeh Marzani , Thijs van Ede , Geert Heijenk , Maarten van Steen

3D Gaussian Splatting (3DGS) has shown promising performance in novel view synthesis. Previous methods adapt it to obtaining surfaces of either individual 3D objects or within limited scenes. In this paper, we make the first attempt to…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Junyi Chen , Weicai Ye , Yifan Wang , Danpeng Chen , Di Huang , Wanli Ouyang , Guofeng Zhang , Yu Qiao , Tong He

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

Current crowd-counting models often rely on single-modal inputs, such as visual images or wireless signal data, which can result in significant information loss and suboptimal recognition performance. To address these shortcomings, we…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Zhe Cui , Yuli Li , Le-Nam Tran

Generalizable rendering of an animatable human avatar from sparse inputs relies on data priors and inductive biases extracted from training on large data to avoid scene-specific optimization and to enable fast reconstruction. This raises…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Jing Wen , Alexander G. Schwing , Shenlong Wang

To segment 4K or 6K ultra high-resolution images needs extra computation consideration in image segmentation. Common strategies, such as down-sampling, patch cropping, and cascade model, cannot address well the balance issue between…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Tiancheng Shen , Yuechen Zhang , Lu Qi , Jason Kuen , Xingyu Xie , Jianlong Wu , Zhe Lin , Jiaya Jia

We study video crowd counting, which is to estimate the number of objects (people in this paper) in all the frames of a video sequence. Previous work on crowd counting is mostly on still images. There has been little work on how to properly…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Haoyue Bai , S. -H. Gary Chan

With the rapidly increasing interest in machine learning based solutions for automatic image annotation, the availability of reference annotations for algorithm training is one of the major bottlenecks in the field. Crowdsourcing has…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Eric Heim , Alexander Seitel , Jonas Andrulis , Fabian Isensee , Christian Stock , Tobias Ross , Lena Maier-Hein

The colorization of grayscale images is a complex and subjective task with significant challenges. Despite recent progress in employing large-scale datasets with deep neural networks, difficulties with controllability and visual quality…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Nir Zabari , Aharon Azulay , Alexey Gorkor , Tavi Halperin , Ohad Fried