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This paper investigates and develops methods for detecting small objects in large-scale aerial images. Current approaches for detecting small objects in aerial images often involve image cropping and modifications to detector network…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Mahila Moghadami , Mohammad Ali Keyvanrad , Melika Sabaghian

One of the important bottlenecks in training modern object detectors is the need for labeled images where bounding box annotations have to be produced for each object present in the image. This bottleneck is further exacerbated in aerial…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Akhil Meethal , Eric Granger , Marco Pedersoli

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

We propose an approach to detect flying objects such as UAVs and aircrafts when they occupy a small portion of the field of view, possibly moving against complex backgrounds, and are filmed by a camera that itself moves. Solving such a…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Artem Rozantsev , Vincent Lepetit , Pascal Fua

Oriented object detection in aerial images is a challenging task as the objects in aerial images are displayed in arbitrary directions and are usually densely packed. Current oriented object detection methods mainly rely on two-stage…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Jingru Yi , Pengxiang Wu , Bo Liu , Qiaoying Huang , Hui Qu , Dimitris Metaxas

Small objects have relatively low resolution, the unobvious visual features which are difficult to be extracted, so the existing object detection methods cannot effectively detect small objects, and the detection speed and stability are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Qingcai Wang , Hao Zhang , Xianggong Hong , Qinqin Zhou

Object detection in unmanned aerial vehicle (UAV) remote sensing images poses significant challenges due to unstable image quality, small object sizes, complex backgrounds, and environmental occlusions. Small objects, in particular, occupy…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Xudong Wang , Yaxin Peng , Chaomin Shen

Object detection has been a building block in computer vision. Though considerable progress has been made, there still exist challenges for objects with small size, arbitrary direction, and dense distribution. Apart from natural images,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Xue Yang , Jirui Yang , Junchi Yan , Yue Zhang , Tengfei Zhang , Zhi Guo , Sun Xian , Kun Fu

Aerial imagery has been increasingly adopted in mission-critical tasks, such as traffic surveillance, smart cities, and disaster assistance. However, identifying objects from aerial images faces the following challenges: 1) objects of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Ziyang Tang , Xiang Liu , Guangyu Shen , Baijian Yang

Object detection is a basic and important task in the field of aerial image processing and has gained much attention in computer vision. However, previous aerial image object detection approaches have insufficient use of scene semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Zhiming Liu , Xuefei Zhang , Chongyang Liu , Hao Wang , Chao Sun , Bin Li , Weifeng Sun , Pu Huang , Qingjun Li , Yu Liu , Haipeng Kuang , Jihong Xiu

State-of-the-art detection systems are generally evaluated on their ability to exhaustively retrieve objects densely distributed in the image, across a wide variety of appearances and semantic categories. Orthogonal to this, many real-life…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Amelie Royer , Christoph H. Lampert

Few-Shot Object Detection (FSOD) methods are mainly designed and evaluated on natural image datasets such as Pascal VOC and MS COCO. However, it is not clear whether the best methods for natural images are also the best for aerial images.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Pierre Le Jeune , Anissa Mokraoui

This paper presents static object detection and segmentation method in videos from cluttered scenes. Robust static object detection is still challenging task due to presence of moving objects in many surveillance applications. The level of…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Waqqas-ur-Rehman Butt , Martin Servin

Object detection in videos plays a crucial role in advancing applications such as public safety and anomaly detection. Existing methods have explored different techniques, including CNN, deep learning, and Transformers, for object detection…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Badhan Chandra Das , M. Hadi Amini , Yanzhao Wu

Small object detection presents a significant challenge in computer vision and object detection. The performance of small object detectors is often compromised by a lack of pixels and less significant features. This issue stems from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Xiaohui Guo

The detection of small objects in aerial images is a fundamental task in the field of computer vision. Moving objects in aerial photography have problems such as different shapes and sizes, dense overlap, occlusion by the background, and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Haodong Li , Haicheng Qu

While generic object detection has achieved large improvements with rich feature hierarchies from deep nets, detecting small objects with poor visual cues remains challenging. Motion cues from multiple frames may be more informative for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Ryota Yoshihashi , Tu Tuan Trinh , Rei Kawakami , Shaodi You , Makoto Iida , Takeshi Naemura

Object Detection is the task of identifying the existence of an object class instance and locating it within an image. Difficulties in handling high intra-class variations constitute major obstacles to achieving high performance on standard…

Computer Vision and Pattern Recognition · Computer Science 2012-12-04 Osama Khalil , Andrew Habib

Detecting objects from aerial images poses significant challenges due to the following factors: 1) Aerial images typically have very large sizes, generally with millions or even hundreds of millions of pixels, while computational resources…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Chenguang Liu , Guangshuai Gao , Ziyue Huang , Zhenghui Hu , Qingjie Liu , Yunhong Wang

Detecting tiny objects in remote sensing (RS) imagery has been a long-standing challenge due to their extremely limited spatial information, weak feature representations, and dense distributions across complex backgrounds. Despite numerous…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Xiaozheng Jiang , Wei Zhang , Xuerui Mao