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Object detection in satellite-borne Synthetic Aperture Radar (SAR) imagery holds immense potential in tasks such as urban monitoring and disaster response. However, the inherent complexities of SAR data and the scarcity of annotations…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Yasin Almalioglu , Andrzej Kucik , Geoffrey French , Dafni Antotsiou , Alexander Adam , Cedric Archambeau

Reliable automatic target segmentation in Synthetic Aperture Radar (SAR) imagery has played an important role in the SAR fields. Different from the traditional methods, Spectral Residual (SR) and CFAR detector, with the recent adavance in…

图像与视频处理 · 电气工程与系统科学 2023-08-16 Chenwei Wang , Jifang Pei , Yulin Huang , Jianyu Yang

Change detection from synthetic aperture radar (SAR) imagery is a critical yet challenging task. Existing methods mainly focus on feature extraction in spatial domain, and little attention has been paid to frequency domain. Furthermore, in…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Xiaofan Qu , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

Supervised learning-based segmentation methods typically require a large number of annotated training data to generalize well at test time. In medical applications, curating such datasets is not a favourable option because acquiring a large…

图像与视频处理 · 电气工程与系统科学 2020-11-20 Krishna Chaitanya , Neerav Karani , Christian F. Baumgartner , Ertunc Erdil , Anton Becker , Olivio Donati , Ender Konukoglu

Recently, methods based on deep learning have been successfully applied to ship detection for synthetic aperture radar (SAR) images. Despite the development of numerous ship detection methodologies, detecting small and coastal ships remains…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Xiaolin Ma , Junkai Cheng , Aihua Li , Yuhua Zhang , Zhilong Lin

Synthetic Aperture Radar (SAR) images are inherently corrupted by speckle noise, limiting their utility in high-precision applications. While deep learning methods have shown promise in SAR despeckling, most methods employ a single unified…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ziqing Ma , Chang Yang , Zhichang Guo , Yao Li

Feature extractor plays a critical role in text recognition (TR), but customizing its architecture is relatively less explored due to expensive manual tweaking. In this work, inspired by the success of neural architecture search (NAS), we…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Hui Zhang , Quanming Yao , James T. Kwok , Xiang Bai

Neural front-ends are an appealing alternative to traditional, fixed feature extraction pipelines for automatic speech recognition (ASR) systems since they can be directly trained to fit the acoustic model. However, their performance often…

音频与语音处理 · 电气工程与系统科学 2025-10-01 Peter Vieting , Maximilian Kannen , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

Magnetic Resonance Imaging (MRI) has become an important technique in the clinic for the visualization, detection, and diagnosis of various diseases. However, one bottleneck limitation of MRI is the relatively slow data acquisition process.…

图像与视频处理 · 电气工程与系统科学 2022-11-28 Xue Liu , Juan Zou , Xiawu Zheng , Cheng Li , Hairong Zheng , Shanshan Wang

Deep learning technologies have significantly improved performance in the field of synthetic aperture radar (SAR) image target recognition compared to traditional methods. However, the inherent ``black box" property of deep learning models…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhuoxuan Li , Xu Zhang , Shumeng Yu , Haipeng Wang

This paper proposes rollable latent space (RLS) for an azimuth invariant synthetic aperture radar (SAR) target recognition. Scarce labeled data and limited viewing direction are critical issues in SAR target recognition.The RLS is a…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Kazutoshi Sagi , Takahiro Toizumi , Yuzo Senda

Click-through Rate (CTR) prediction in real-world recommender systems often deals with billions of user interactions every day. To improve the training efficiency, it is common to update the CTR prediction model incrementally using the new…

信息检索 · 计算机科学 2025-05-07 Zhikai Wang , Yanyan Shen , Zibin Zhang , Kangyi Lin

Click-through rate (CTR) prediction is widely used in academia and industry. Most CTR tasks fall into a feature embedding \& feature interaction paradigm, where the accuracy of CTR prediction is mainly improved by designing practical…

信息检索 · 计算机科学 2024-08-06 Fangye Wang , Hansu Gu , Dongsheng Li , Tun Lu , Peng Zhang , Li Shang , Ning Gu

Recent advances in deep learning architectures have enabled efficient and accurate classification of pre-trained targets in Synthetic Aperture Radar (SAR) images. Nevertheless, the presence of unknown targets in real battlefield scenarios…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Kyung-hwan Lee , Kyung-tae Kim

Constraints are essential for stabilizing reinforcement learning fine-tuning (RFT) and preventing degenerate outputs, yet they inherently conflict with the optimization objective because stronger constraints limit the ability of a…

机器学习 · 计算机科学 2026-03-20 Hao Ma , Zhiqiang Pu , Yang Liu , Xiaolin Ai

Data augmentation has become a standard component of vision pre-trained models to capture the invariance between augmented views. In practice, augmentation techniques that mask regions of a sample with zero/mean values or patches from other…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Shentong Mo , Zhun Sun , Chao Li

Underwater acoustic target recognition is a challenging task owing to the intricate underwater environments and limited data availability. Insufficient data can hinder the ability of recognition systems to support complex modeling, thus…

声音 · 计算机科学 2024-05-01 Ji Xu , Yuan Xie , Wenchao Wang

Maritime object detection faces essential challenges due to the small target size and limitations of labeled real RGB data. This paper will present a real-time object detection system based on RT-DETR, enhanced by employing augmented…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Nader Nemati

Adaptive Mesh Refinement (AMR) enhances the Finite Element Method, an important technique for simulating complex problems in engineering, by dynamically refining mesh regions, enabling a favorable trade-off between computational speed and…

多智能体系统 · 计算机科学 2023-10-11 Niklas Freymuth , Philipp Dahlinger , Tobias Würth , Simon Reisch , Luise Kärger , Gerhard Neumann