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Related papers: Counting dense objects in remote sensing images

200 papers

Crowd counting is an important problem in computer vision due to its wide range of applications in image understanding. Currently, this problem is typically addressed using deep learning approaches, such as Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Zhen Wang , Yuelei Li , Jia Wan , Nuno Vasconcelos

For the past two decades, there have been significant efforts to develop methods for object detection in Remote Sensing (RS) images. In most cases, the datasets for small object detection in remote sensing images are inadequate. Many…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Yi Wang , Syed Muhammad Arsalan Bashir , Mahrukh Khan , Qudrat Ullah , Rui Wang , Yilin Song , Zhe Guo , Yilong Niu

In this dissertation, we investigated and enhanced Deep Learning (DL) techniques for counting objects, like pedestrians, cells or vehicles, in still images or video frames. In particular, we tackled the challenge related to the lack of data…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Luca Ciampi

Remotely captured images possess an immense scale and object appearance variability due to the complex scene. It becomes challenging to capture the underlying attributes in the global and local context for their segmentation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Satyawant Kumar , Abhishek Kumar , Dong-Gyu Lee

Object Detection is critical for automatic military operations. However, the performance of current object detection algorithms is deficient in terms of the requirements in military scenarios. This is mainly because the object presence is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Shuo Liu , Zheng Liu

This paper proposes a novel approach for crowd counting in low to high density scenarios in static images. Current approaches cannot handle huge crowd diversity well and thus perform poorly in extreme cases, where the crowd density in…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Usman Sajid , Hasan Sajid , Hongcheng Wang , Guanghui Wang

Detecting objects and estimating their pose remains as one of the major challenges of the computer vision research community. There exists a compromise between localizing the objects and estimating their viewpoints. The detector ideally…

Computer Vision and Pattern Recognition · Computer Science 2018-10-08 Daniel Oñoro-Rubio , Roberto J. López-Sastre , Carolina Redondo-Cabrera , Pedro Gil-Jiménez

Visual Question Answering (VQA) models have struggled with counting objects in natural images so far. We identify a fundamental problem due to soft attention in these models as a cause. To circumvent this problem, we propose a neural…

Computer Vision and Pattern Recognition · Computer Science 2018-02-19 Yan Zhang , Jonathon Hare , Adam Prügel-Bennett

Collecting 3D object datasets involves a large amount of manual work and is time consuming. Getting complete models of objects either requires a 3D scanner that covers all the surfaces of an object or one needs to rotate it to completely…

Because of the powerful learning capability of deep neural networks, counting performance via density map estimation has improved significantly during the past several years. However, it is still very challenging due to severe occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Di Kang , Antoni Chan

3D point cloud segmentation has a wide range of applications in areas such as autonomous driving, augmented reality, virtual reality and digital twins. The point cloud data collected in real scenes often contain small objects and categories…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chade Li , Pengju Zhang , Jiaming Zhang , Yihong Wu

Land cover classification of remote sensing images is a challenging task due to limited amounts of annotated data, highly imbalanced classes, frequent incorrect pixel-level annotations, and an inherent complexity in the semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Qinghui Liu , Michael Kampffmeyer , Robert Jessen , Arnt-Børre Salberg

Object recognition is among the fundamental tasks in the computer vision applications, paving the path for all other image understanding operations. In every stage of progress in object recognition research, efforts have been made to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Aria Salari , Abtin Djavadifar , Xiangrui Liu , Homayoun Najjaran

Given two consecutive RGB-D images, we propose a model that estimates a dense 3D motion field, also known as scene flow. We take advantage of the fact that in robot manipulation scenarios, scenes often consist of a set of rigidly moving…

Robotics · Computer Science 2018-07-25 Lin Shao , Parth Shah , Vikranth Dwaracherla , Jeannette Bohg

Recently, the use of synthetic datasets based on game engines has been shown to improve the performance of several tasks in computer vision. However, these datasets are typically only appropriate for the specific domains depicted in…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Enric Moreu , Kevin McGuinness , Diego Ortego , Noel E. O'Connor

Crowd monitoring and analysis in mass events are highly important technologies to support the security of attending persons. Proposed methods based on terrestrial or airborne image/video data often fail in achieving sufficiently accurate…

Computer Vision and Pattern Recognition · Computer Science 2013-04-24 Roland Perko , Thomas Schnabel , Gerald Fritz , Alexander Almer , Lucas Paletta

Dense crowd counting aims to predict thousands of human instances from an image, by calculating integrals of a density map over image pixels. Existing approaches mainly suffer from the extreme density variances. Such density pattern shift…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Chenfeng Xu , Kai Qiu , Jianlong Fu , Song Bai , Yongchao Xu , Xiang Bai

A lot a research is focused on object detection and it has achieved significant advances with deep learning techniques in recent years. Inspite of the existing research, these algorithms are not usually optimal for dealing with sequences or…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Ajit Jadhav , Prerana Mukherjee , Vinay Kaushik , Brejesh Lall

Accurate people localisation using drones is crucial for effective crowd management, not only during massive events and public gatherings but also for monitoring daily urban crowd flow. Traditional methods for tiny object localisation using…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Bartosz Ptak , Marek Kraft

With the rapid growing of remotely sensed imagery data, there is a high demand for effective and efficient image retrieval tools to manage and exploit such data. In this letter, we present a novel content-based remote sensing image…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Rui Cao , Qian Zhang , Jiasong Zhu , Qing Li , Qingquan Li , Bozhi Liu , Guoping Qiu