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The application of Synthetic Aperture Radar (SAR) techniques to classical radar altimetry offers the potential for greatly improved Earth surface mapping. This paper provides an overview of the progress of SAMOSA, Development of SAR…

大气与海洋物理 · 物理学 2008-02-07 C. Martin-Puig , J. Marquez , G. Ruffini , R. K. Raney , J. Benveniste

Images generated by high-resolution SAR have vast areas of application as they can work better in adverse light and weather conditions. One such area of application is in the military systems. This study is an attempt to explore the…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Aakash Singh , Vivek Kumar Singh

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

计算机视觉与模式识别 · 计算机科学 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Nowadays, there is a wide availability of datasets that enable the training of common object detectors or human detectors. These come in the form of labelled real-world images and require either a significant amount of human effort, with a…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Elia Bonetto , Aamir Ahmad

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

SAR images are highly sensitive to observation configurations, and they exhibit significant variations across different viewing angles, making it challenging to represent and learn their anisotropic features. As a result, deep learning…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Zhengxin Lei , Feng Xu , Jiangtao Wei , Feng Cai , Feng Wang , Ya-Qiu Jin

Cross-modal optical-SAR (Synthetic Aperture Radar) registration is a bottleneck for disaster-response via remote sensing, yet modern image matchers are developed and benchmarked almost exclusively on natural-image domains. We evaluate…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Isaac Corley , Alex Stoken , Gabriele Berton

Our ability to synthesize sensory data that preserves specific statistical properties of the real data has had tremendous implications on data privacy and big data analytics. The synthetic data can be used as a substitute for selective real…

机器学习 · 计算机科学 2017-02-01 Moustafa Alzantot , Supriyo Chakraborty , Mani B. Srivastava

Autonomous driving relies on a huge volume of real-world data to be labeled to high precision. Alternative solutions seek to exploit driving simulators that can generate large amounts of labeled data with a plethora of content variations.…

计算机视觉与模式识别 · 计算机科学 2021-11-16 David Acuna , Jonah Philion , Sanja Fidler

Computer-assisted surgical (CAS) systems enhance surgical execution and outcomes by providing advanced support to surgeons. These systems often rely on deep learning models trained on complex, challenging-to-annotate data. While synthetic…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Sabina Martyniak , Joanna Kaleta , Diego Dall'Alba , Michał Naskręt , Szymon Płotka , Przemysław Korzeniowski

Synthetic Aperture Radar (SAR) imaging is capable of observing objects in nearly all weather and illumination conditions and has become an indispensable means of information acquisition for analysis and recognition of objects and scenes.…

图像与视频处理 · 电气工程与系统科学 2026-03-03 Jie Zhou , Yongxiang Liu , Li Liu , Weijie Li , Bowen Peng , Yafei Song , Gangyao Kuang , Xiang Li

Mismatched data is a challenging problem for automatic speech recognition (ASR) systems. One of the most common techniques used to address mismatched data is multi-style training (MTR), a form of data augmentation that attempts to transform…

声音 · 计算机科学 2022-02-16 Walter Heymans , Marelie H. Davel , Charl van Heerden

Deep Neural Networks (DNNs) for Autonomous Driving Systems (ADS) are typically trained on real-world images and tested using synthetic simulator images. This approach results in training and test datasets with dissimilar distributions,…

软件工程 · 计算机科学 2024-08-27 Mohammad Hossein Amini , Shiva Nejati

Neural networks need big annotated datasets for training. However, manual annotation can be too expensive or even unfeasible for certain tasks, like multi-person 2D pose estimation with severe occlusions. A remedy for this is synthetic data…

计算机视觉与模式识别 · 计算机科学 2019-08-05 David T. Hoffmann , Dimitrios Tzionas , Micheal J. Black , Siyu Tang

Supervised deep learning methods typically rely on large datasets for training. Ethical and practical considerations usually make it difficult to access large amounts of healthcare data, such as medical images, with known task-specific…

医学物理 · 物理学 2023-05-26 Marta Varela , Anil A Bharath

Recent work has shown that commonly available machine reading comprehension (MRC) datasets can be used to train high-performance neural information retrieval (IR) systems. However, the evaluation of neural IR has so far been limited to…

计算与语言 · 计算机科学 2021-04-19 Revanth Gangi Reddy , Vikas Yadav , Md Arafat Sultan , Martin Franz , Vittorio Castelli , Heng Ji , Avirup Sil

Synthetic data serves as an alternative in training machine learning models, particularly when real-world data is limited or inaccessible. However, ensuring that synthetic data mirrors the complex nuances of real-world data is a challenging…

机器学习 · 计算机科学 2023-10-27 Lasse Hansen , Nabeel Seedat , Mihaela van der Schaar , Andrija Petrovic

Automotive synthetic aperture radar (SAR) can achieve a significant angular resolution enhancement for detecting static objects, which is essential for automated driving. Obtaining high resolution SAR images requires precise ego vehicle…

信号处理 · 电气工程与系统科学 2022-04-25 Oded Bialer , Tom Tirer

Deep Learning has seen an unprecedented increase in vision applications since the publication of large-scale object recognition datasets and introduction of scalable compute hardware. State-of-the-art methods for most vision tasks for…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Nikita Jaipuria , Xianling Zhang , Rohan Bhasin , Mayar Arafa , Punarjay Chakravarty , Shubham Shrivastava , Sagar Manglani , Vidya N. Murali

We propose a novel approach for generating high-quality, synthetic data for domain-specific learning tasks, for which training data may not be readily available. We leverage recent progress in image-to-image translation to bridge the gap…

机器人学 · 计算机科学 2017-10-13 Gregory J. Stein , Nicholas Roy