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Occupancy estimation and crowd counting are critical tasks in designing smart and efficient public transport vehicles. Given that public transport loading can vary from sparse to crowded, classical models for occupancy estimation must be…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Aida Rostamza , Enrico Del Re , Joshua Cherian Varughese , Cristina Olaverri-Monreal

Currently, for crowd counting, the fully supervised methods via density map estimation are the mainstream research directions. However, such methods need location-level annotation of persons in an image, which is time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Fusen Wang , Kai Liu , Fei Long , Nong Sang , Xiaofeng Xia , Jun Sang

In this paper we advance the state-of-the-art for crowd counting in high density scenes by further exploring the idea of a fully convolutional crowd counting model introduced by (Zhang et al., 2016). Producing an accurate and robust crowd…

Computer Vision and Pattern Recognition · Computer Science 2017-01-18 Mark Marsden , Kevin McGuinness , Suzanne Little , Noel E. O'Connor

Crowd counting is a challenging task due to the issues such as scale variation and perspective variation in real crowd scenes. In this paper, we propose a novel Cascaded Residual Density Network (CRDNet) in a coarse-to-fine approach to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Kun Zhao , Luchuan Song , Bin Liu , Qi Chu , Nenghai Yu

Crowd counting problem that counts the number of people in an image has been extensively studied in recent years. In this paper, we introduce a new variant of crowd counting problem, namely "Categorized Crowd Counting", that counts the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Sarkar Snigdha Sarathi Das , Syed Md. Mukit Rashid , Mohammed Eunus Ali

Spiking neural networks (SNNs), known for their low-power, event-driven computation and intrinsic temporal dynamics, are emerging as promising solutions for processing dynamic, asynchronous signals from event-based sensors. Despite their…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Rui Zhang , Luziwei Leng , Kaiwei Che , Hu Zhang , Jie Cheng , Qinghai Guo , Jiangxing Liao , Ran Cheng

The use of multiple and semantically correlated sources can provide complementary information to each other that may not be evident when working with individual modalities on their own. In this context, multi-modal models can help producing…

Automatic Crowd behavior analysis can be applied to effectively help the daily transportation statistics and planning, which helps the smart city construction. As one of the most important keys, crowd counting has drawn increasing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Haoran Duan , Fan Wan , Rui Sun , Zeyu Wang , Varun Ojha , Yu Guan , Hubert P. H. Shum , Bingzhang Hu , Yang Long

Crowd counting is an important yet challenging task in computer vision due to serious occlusions, complex background and large scale variations, etc. Multi-column architecture is widely adopted to overcome these challenges, yielding…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Junhao Cheng , Zhuojun Chen , XinYu Zhang , Yizhou Li , Xiaoyuan Jing

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang

State-of-the-art models for semantic segmentation are based on adaptations of convolutional networks that had originally been designed for image classification. However, dense prediction and image classification are structurally different.…

Computer Vision and Pattern Recognition · Computer Science 2016-05-03 Fisher Yu , Vladlen Koltun

Neural Machine Translation model is a sequence-to-sequence converter based on neural networks. Existing models use recurrent neural networks to construct both the encoder and decoder modules. In alternative research, the recurrent networks…

Computation and Language · Computer Science 2021-05-04 Ritam Mallick , Seba Susan , Vaibhaw Agrawal , Rizul Garg , Prateek Rawal

Few-shot Semantic Segmentation addresses the challenge of segmenting objects in query images with only a handful of annotated examples. However, many previous state-of-the-art methods either have to discard intricate local semantic features…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Amirreza Fateh , Mohammad Reza Mohammadi , Mohammad Reza Jahed Motlagh

The traditional SegNet architecture commonly encounters significant information loss during the sampling process, which detrimentally affects its accuracy in image semantic segmentation tasks. To counter this challenge, we introduce an…

Image and Video Processing · Electrical Eng. & Systems 2024-06-05 Zijun Gao , Qi Wang , Taiyuan Mei , Xiaohan Cheng , Yun Zi , Haowei Yang

Aiming at the metro video surveillance system has not been able to effectively solve the metro crowd density estimation problem, a Metro Crowd density estimation Network (called MCNet) is proposed to automatically classify crowd density…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Qiang Guo , Rubo Zhang , Di Zhao

In the context of crowd counting, most of the works have focused on improving the accuracy without regard to the performance leading to algorithms that are not suitable for embedded applications. In this paper, we propose a lightweight…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Javier Antonio Gonzalez-Trejo , Diego Alberto Mercado-Ravell

Recent advancements in multi-scale architectures have demonstrated exceptional performance in image denoising tasks. However, existing architectures mainly depends on a fixed single-input single-output Unet architecture, ignoring the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Xu Zhao , Chen Zhao , Xiantao Hu , Hongliang Zhang , Ying Tai , Jian Yang

Hyperspectral image (HSI) denoising is critical for the effective analysis and interpretation of hyperspectral data. However, simultaneously modeling global and local features is rarely explored to enhance HSI denoising. In this letter, we…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Shuai Hu , Feng Gao , Xiaowei Zhou , Junyu Dong , Qian Du

Change detection is a critical task in earth observation applications. Recently, deep learning-based methods have shown promising performance and are quickly adopted in change detection. However, the widely used multiple encoder and single…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Sijie Zhao , Xueliang Zhang , Pengfeng Xiao , Guangjun He

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…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Rodolfo Quispe , Darwin Ttito , Adín Ramírez Rivera , Helio Pedrini