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Object detection and recognition are important problems in computer vision. Since these problems are meta-heuristic, despite a lot of research, practically usable, intelligent, real-time, and dynamic object detection/recognition methods are…

Computer Vision and Pattern Recognition · Computer Science 2013-02-22 Dilip K. Prasad

3D object proposals, quickly detected regions in a 3D scene that likely contain an object of interest, are an effective approach to improve the computational efficiency and accuracy of the object detection framework. In this work, we…

Robotics · Computer Science 2018-06-27 Ramanpreet Singh Pahwa , Tian Tsong Ng , Minh N. Do

Unmanned aerial vehicles are becoming common and have many productive uses. However, their increased prevalence raises safety concerns -- how can we protect restricted airspace? Knowing the type of unmanned aerial vehicle can go a long way…

Robotics · Computer Science 2024-03-04 Tarik Crnovrsanin , Calvin Yu , Dane Hankamer , Cody Dunne

This paper proposes a thresholding approach for crack detection in an unmanned aerial vehicle (UAV) based infrastructure inspection system. The proposed algorithm performs recursively on the intensity histogram of UAV-taken images to…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Q. Zhu , T. H. Dinh , V. T. Hoang , M. D. Phung , Q. P. Ha

Unmanned Aerial Vehicles (UAVs), equipped with camera sensors can facilitate enhanced situational awareness for many emergency response and disaster management applications since they are capable of operating in remote and difficult to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Christos Kyrkou , Theocharis Theocharides

Detecting objects from Unmanned Aerial Vehicles (UAV) is often hindered by a large number of small objects, resulting in low detection accuracy. To address this issue, mainstream approaches typically utilize multi-stage inferences. Despite…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Fan Liu , Liang Yao , Chuanyi Zhang , Ting Wu , Xinlei Zhang , Xiruo Jiang , Jun Zhou

Miniaturized autonomous unmanned aerial vehicles (UAVs) are gaining popularity due to their small size, enabling new tasks such as indoor navigation or people monitoring. Nonetheless, their size and simple electronics pose severe challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Matteo Risso , Francesco Daghero , Beatrice Alessandra Motetti , Daniele Jahier Pagliari , Enrico Macii , Massimo Poncino , Alessio Burrello

We propose a new algorithm for real-time detection and tracking of elliptic patterns suitable for real-world robotics applications. The method fits ellipses to each contour in the image frame and rejects ellipses that do not yield a good…

Robotics · Computer Science 2021-12-09 Azarakhsh Keipour , Guilherme A. S. Pereira , Sebastian Scherer

Detecting small objects, such as drones, over long distances presents a significant challenge with broad implications for security, surveillance, environmental monitoring, and autonomous systems. Traditional imaging-based methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Junran Guo , Tonglin Mu , Keyuan Li , Jianing Li , Ziyang Luo , Ye Chen , Xiaodong Fan , Jinquan Huang , Minjie Liu , Jinbei Zhang , Ruoyang Qi , Naiting Gu , Shihai Sun

In the tasks of image aesthetic quality evaluation, it is difficult to reach both the high score area and low score area due to the normal distribution of aesthetic datasets. To reduce the error in labeling and solve the problem of normal…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Xin Jin , Hao Lou , Huang Heng , Xiaodong Li , Shuai Cui , Xiaokun Zhang , Xiqiao Li

Modern machine learning techniques have shown tremendous potential, especially for object detection on camera images. For this reason, they are also used to enable safety-critical automated processes such as autonomous drone flights. We…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Jonathan Lyhs , Lars Hinneburg , Michael Fischer , Florian Ölsner , Stefan Milz , Jeremy Tschirner , Patrick Mäder

Research in the field of autonomous Unmanned Aerial Vehicles (UAVs) has significantly advanced in recent years, mainly due to their relevance in a large variety of commercial, industrial, and military applications. However, UAV navigation…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Akkas Haque , Ahmed Elsaharti , Tarek Elderini , Mohamed Atef Elsaharty , Jeremiah Neubert

Visual place recognition tasks often encounter significant challenges in landmark detection due to the presence of irrelevant objects such as humans, cars, and trees, despite the remarkable progress achieved by previous models, especially…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Mohammad Javad Rajabi , Morteza Mirzai , Ahmad Nickabadi

As drone-based object detection technology continues to evolve, the demand is shifting from merely detecting objects to enabling users to accurately identify specific targets. For example, users can input particular targets as prompts to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Hyun-Ki Jung

Semantic segmentation of aerial imagery is an important tool for mapping and earth observation. However, supervised deep learning models for segmentation rely on large amounts of high-quality labelled data, which is labour-intensive and…

Robotics · Computer Science 2022-09-05 Julius Rückin , Liren Jin , Federico Magistri , Cyrill Stachniss , Marija Popović

Bridges are an essential part of the transportation infrastructure and need to be monitored periodically. Visual inspections by dedicated teams have been one of the primary tools in structural health monitoring (SHM) of bridge structures.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Seyed Omid Sajedi , Xiao Liang

The recognition of optical characters is known to be one of the earliest applications of Artificial Neural Networks, which partially emulate human thinking in the domain of artificial intelligence. In this paper, a simplified neural…

Neural and Evolutionary Computing · Computer Science 2007-05-23 Shashank Araokar

Unmanned aerial vehicles (UAVs) are frequently used for inspecting power lines and capturing high-resolution aerial images. However, detecting power lines in aerial images is difficult,as the foreground data(i.e, power lines) is small and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Deyu An , Qiang Zhang , Jianshu Chao , Ting Li , Feng Qiao , Yong Deng , Zhenpeng Bian

We present the results of applying new object classification techniques to difference images in the context of the Nearby Supernova Factory supernova search. Most current supernova searches subtract reference images from new images,…

Astrophysics · Physics 2009-06-23 S. Bailey , C. Aragon , R. Romano , R. C. Thomas , B. A. Weaver , D. Wong

Object recognition is a crucial step in perception systems for autonomous and intelligent vehicles, as evidenced by the numerous research works in the topic. In this paper, object recognition is explored by using multisensory and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Gledson Melotti , Johann J. S. Bastos , Bruno L. S. da Silva , Tiago Zanotelli , Cristiano Premebida