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In recent years, the field of autonomous driving has witnessed remarkable advancements, driven by the integration of a multitude of sensors, including cameras and LiDAR systems, in different prototypes. However, with the proliferation of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Irene Cortés , Jorge Beltrán , Arturo de la Escalera , Fernando García

Object detection plays an important role in various visual applications. However, the precision and speed of detector are usually contradictory. One main reason for fast detectors' precision reduction is that small objects are hard to be…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Siyang Sun , Yingjie Yin , Xingang Wang , De Xu , Yuan Zhao , Haifeng Shen

Object detection is a fundamental and challenging problem in aerial and satellite image analysis. More recently, a two-stage detector Faster R-CNN is proposed and demonstrated to be a promising tool for object detection in optical remote…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Lin Cheng , Xu Liu , Lingling Li , Licheng Jiao , Xu Tang

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

In recent years, significant advancements have been made in deep learning-based object detection algorithms, revolutionizing basic computer vision tasks, notably in object detection, tracking, and segmentation. This paper delves into the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Kailas PS , Selvakumaran R , Palani Murugan , Ramesh Kumar , Malaya Kumar Biswal M

For object detection in wide-area aerial imagery, post-processing is usually needed to reduce false detections. We propose a two-stage post-processing scheme which comprises an area-thresholding sieving process and a morphological closing…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Xin Gao , Sundaresh Ram , Jeffrey J. Rodriguez

While general object detection with deep learning has achieved great success in the past few years, the performance and efficiency of detecting small objects are far from satisfactory. The most common and effective way to promote small…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Chenhongyi Yang , Zehao Huang , Naiyan Wang

3D object detection is one of the most important tasks for the perception systems of autonomous vehicles. With the significant success in the field of 2D object detection, several monocular image based 3D object detection algorithms have…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Zhou Lingtao , Fang Jiaojiao , Liu Guizhong

Small object detection via UAV (Unmanned Aerial Vehicle) images captured from drones and radar is a complex task with several formidable challenges. This domain encompasses numerous complexities that impede the accurate detection and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Vipin Gautam , Shitala Prasad , Sharad Sinha

Infrared object tracking plays a crucial role in Anti-Unmanned Aerial Vehicle (Anti-UAV) applications. Existing trackers often depend on cropped template regions and have limited motion modeling capabilities, which pose challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Chenxu Peng , Chenxu Wang , Minrui Zou , Danyang Li , Zhengpeng Yang , Yimian Dai , Ming-Ming Cheng , Xiang Li

One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

Current mainstream object detection methods for large aerial images usually divide large images into patches and then exhaustively detect the objects of interest on all patches, no matter whether there exist objects or not. This paradigm,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Xingxing Xie , Gong Cheng , Qingyang Li , Shicheng Miao , Ke Li , Junwei Han

A Bayesian approach is presented for detecting and characterising the signal from discrete objects embedded in a diffuse background. The approach centres around the evaluation of the posterior distribution for the parameters of the discrete…

Astrophysics · Physics 2009-11-07 M. P. Hobson , C. McLachlan

We present a reinforcement learning approach for detecting objects within an image. Our approach performs a step-wise deformation of a bounding box with the goal of tightly framing the object. It uses a hierarchical tree-like representation…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Jonas Koenig , Simon Malberg , Martin Martens , Sebastian Niehaus , Artus Krohn-Grimberghe , Arunselvan Ramaswamy

Object detection is a challenging and popular computer vision problem. The problem is even more challenging in aerial images due to significant variation in scale and viewpoint in a diverse set of object categories. Recently, deep…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Hashmat Shadab Malik , Ikboljon Sobirov , Abdelrahman Mohamed

While there has been significant progress in object detection using conventional image processing and machine learning algorithms, exploring small and dim target detection in the IR domain is a relatively new area of study. The majority of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Nikhil Kumar , Pravendra Singh

The highest accuracy object detectors to date are based on a two-stage approach popularized by R-CNN, where a classifier is applied to a sparse set of candidate object locations. In contrast, one-stage detectors that are applied over a…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Tsung-Yi Lin , Priya Goyal , Ross Girshick , Kaiming He , Piotr Dollár

This work introduces a new preprocessing step for object detection applicable to UAV bird's eye view imagery, which we call Adaptive Resizing. By design, it helps alleviate the challenges coming with the vast variances in objects' scales,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Martin Messmer , Benjamin Kiefer , Andreas Zell

Detecting tiny objects in a high-resolution video is challenging because the visual information is little and unreliable. Specifically, the challenge includes very low resolution of the objects, MPEG artifacts due to compression and a large…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Ryota Yoshihashi , Rei Kawakami , Shaodi You , Tu Tuan Trinh , Makoto Iida , Takeshi Naemura

Interacting with the environment, such as object detection and tracking, is a crucial ability of mobile robots. Besides high accuracy, efficiency in terms of processing effort and energy consumption are also desirable. To satisfy both…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Xuesong Li , Jose Guivant