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Automatic multi-class object detection in remote sensing images in unconstrained scenarios is of high interest for several applications including traffic monitoring and disaster management. The huge variation in object scale, orientation,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Seyed Majid Azimi , Eleonora Vig , Reza Bahmanyar , Marco Körner , Peter Reinartz

Ship detection has been playing a significant role in the field of remote sensing for a long time but it is still full of challenges. The main limitations of traditional ship detection methods usually lie in the complexity of application…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Xue Yang , Hao Sun , Kun Fu , Jirui Yang , Xian Sun , Menglong Yan , Zhi Guo

Current state-of-the-art convolutional architectures for object detection are manually designed. Here we aim to learn a better architecture of feature pyramid network for object detection. We adopt Neural Architecture Search and discover a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Golnaz Ghiasi , Tsung-Yi Lin , Ruoming Pang , Quoc V. Le

Object detection in remote sensing images relies on a large amount of labeled data for training. However, the increasing number of new categories and class imbalance make exhaustive annotation impractical. Few-shot object detection (FSOD)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Nanqing Liu , Xun Xu , Turgay Celik , Zongxin Gan , Heng-Chao Li

The past few years have witnessed the immense success of object detection, while current excellent detectors struggle on tackling size-limited instances. Concretely, the well-known challenge of low overlaps between the priors and object…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Xiang Yuan , Gong Cheng , Kebing Yan , Qinghua Zeng , Junwei Han

In recent years, deformable medical image registration techniques have made significant progress. However, existing models still lack efficiency in parallel extraction of coarse and fine-grained features. To address this, we construct a new…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Ying Zhang , Shuai Guo , Chenxi Sun , Yuchen Zhu , Jinhai Xiang

Convolutional neural network (CNN) has led to significant progress in object detection. In order to detect the objects in various sizes, the object detectors often exploit the hierarchy of the multi-scale feature maps called feature…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Jin Hyeok Yoo , Dongsuk Kum , Jun Won Choi

With the rapid development of spaceborne imaging techniques, object detection in optical remote sensing imagery has drawn much attention in recent decades. While many advanced works have been developed with powerful learning algorithms, the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Xin Wu , Danfeng Hong , Jiaojiao Tian , Jocelyn Chanussot , Wei Li , Ran Tao

Feature pyramids are a basic component in recognition systems for detecting objects at different scales. But recent deep learning object detectors have avoided pyramid representations, in part because they are compute and memory intensive.…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Tsung-Yi Lin , Piotr Dollár , Ross Girshick , Kaiming He , Bharath Hariharan , Serge Belongie

The past decade has witnessed significant progress on detecting objects in aerial images that are often distributed with large scale variations and arbitrary orientations. However most of existing methods rely on heuristically defined…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Jiaming Han , Jian Ding , Jie Li , Gui-Song Xia

Rotated object detection aims to identify and locate objects in images with arbitrary orientation. In this scenario, the oriented directions of objects vary considerably across different images, while multiple orientations of objects exist…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Yifan Pu , Yiru Wang , Zhuofan Xia , Yizeng Han , Yulin Wang , Weihao Gan , Zidong Wang , Shiji Song , Gao Huang

Remote sensing image retrieval (RSIR) is the process of ranking database images depending on the degree of similarity compared to the query image. As the complexity of RSIR increases due to the diversity in shooting range, angle, and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Hyunseung Chung , Woo-Jeoung Nam , Seong-Whan Lee

We propose a principled convolutional neural pyramid (CNP) framework for general low-level vision and image processing tasks. It is based on the essential finding that many applications require large receptive fields for structure…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Xiaoyong Shen , Ying-Cong Chen , Xin Tao , Jiaya Jia

In many computer vision tasks, we expect a particular behavior of the output with respect to rotations of the input image. If this relationship is explicitly encoded, instead of treated as any other variation, the complexity of the problem…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Diego Marcos , Michele Volpi , Nikos Komodakis , Devis Tuia

Model efficiency has become increasingly important in computer vision. In this paper, we systematically study neural network architecture design choices for object detection and propose several key optimizations to improve efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Mingxing Tan , Ruoming Pang , Quoc V. Le

Current state-of-the-art detectors typically exploit feature pyramid to detect objects at different scales. Among them, FPN is one of the representative works that build a feature pyramid by multi-scale features summation. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Chaoxu Guo , Bin Fan , Qian Zhang , Shiming Xiang , Chunhong Pan

We present region-based, fully convolutional networks for accurate and efficient object detection. In contrast to previous region-based detectors such as Fast/Faster R-CNN that apply a costly per-region subnetwork hundreds of times, our…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Jifeng Dai , Yi Li , Kaiming He , Jian Sun

Semantic segmentation in high resolution remote sensing images is a fundamental and challenging task. Convolutional neural networks (CNNs), such as fully convolutional network (FCN) and SegNet, have shown outstanding performance in many…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Lichao Mou , Xiao Xiang Zhu

In this paper, we present an implicit feature pyramid network (i-FPN) for object detection. Existing FPNs stack several cross-scale blocks to obtain large receptive field. We propose to use an implicit function, recently introduced in deep…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Tiancai Wang , Xiangyu Zhang , Jian Sun

Image pyramids are commonly used in modern computer vision tasks to obtain multi-scale features for precise understanding of images. However, image pyramids process multiple resolutions of images using the same large-scale model, which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Xizhou Zhu , Xue Yang , Zhaokai Wang , Hao Li , Wenhan Dou , Junqi Ge , Lewei Lu , Yu Qiao , Jifeng Dai