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The development of safe and reliable autonomous unmanned aerial vehicles relies on the ability of the system to recognise and adapt to changes in the local environment based on sensor inputs. State-of-the-art local tracking and trajectory…

Robotics · Computer Science 2025-02-12 Andrea Albanese , Yanran Wang , Davide Brunelli , David Boyle

Supervised learning based methods for source localization, being data driven, can be adapted to different acoustic conditions via training and have been shown to be robust to adverse acoustic environments. In this paper, a convolutional…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-22 Soumitro Chakrabarty , Emanuël A. P. Habets

Removing rain effects from an image is of importance for various applications such as autonomous driving, drone piloting, and photo editing. Conventional methods rely on some heuristics to handcraft various priors to remove or separate the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Yinglong Wang , Dong Gong , Jie Yang , Qinfeng Shi , Anton van den Hengel , Dehua Xie , Bing Zeng

For signal processing related to localization technologies, non line of sight (NLOS) multipaths have a significant impact on the localization error level. This study proposes a localization correction method based on convolution neural…

Signal Processing · Electrical Eng. & Systems 2024-02-01 Yiwen Chen , Tianqi Xiang , Xi Chen , Xin Zhang

Accurate precipitation estimation is critical for hydrological applications, especially in the Global South where ground-based observation networks are sparse and forecasting skill is limited. Existing satellite-based precipitation products…

Solar activity plays a quintessential role in influencing the interplanetary medium and space-weather around the Earth. Remote sensing instruments onboard heliophysics space missions provide a pool of information about the Sun's activity…

With the deterioration of climate, the phenomenon of rain-induced flooding has become frequent. To mitigate its impact, recent works adopt convolutional neural network or its variants to predict the floods. However, these methods directly…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Feifei Wang , Yong Wang , Bing Li , Qidong Huang , Shaoqing Chen

Rain often poses inevitable threats to deep neural network (DNN) based perception systems, and a comprehensive investigation of the potential risks of the rain to DNNs is of great importance. However, it is rather difficult to collect or…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Liming Zhai , Felix Juefei-Xu , Qing Guo , Xiaofei Xie , Lei Ma , Wei Feng , Shengchao Qin , Yang Liu

Recently, several array radar structures combined with sub-Nyquist techniques and corresponding algorithms have been extensively studied. Carrier frequency and direction-of-arrival (DOA) estimations of multiple narrow-band signals received…

Signal Processing · Electrical Eng. & Systems 2018-10-29 Zhan Zhang , Ping Wei , Lijuan Deng , Huaguo Zhang

Rain precipitation prediction is a challenging task as it depends on weather and meteorological features which vary from location to location. As a result, a prediction model that performs well at one location does not perform well at other…

Precipitation prediction has undergone a profound transformation. A notable limitation of traditional NWP is the need for extensive statistical post-processing. To address this challenge, neural network-based approaches were developed.…

Machine Learning · Computer Science 2026-04-03 Yugong Zeng , Jiayuan Wang , Jonathan Wu

Accurate Direction of Arrival (DoA) estimation is critical for applications in robotics and communication, but high costs and complexity of coherent multi-channel receivers hinder accessibility. This work proposes a cost-effective DoA…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Lennart Werner , Markus Gardill , Marco Hutter

Model order estimation (MOE) is often a pre-requisite for Direction of Arrival (DoA) estimation. Due to limits imposed by array geometry, it is typically not possible to estimate spatial parameters for an arbitrary number of sources; an…

Signal Processing · Electrical Eng. & Systems 2022-09-05 Jianyuan Yu , William W. Howard , Yue Xu , R. Michael Buehrer

High data rate communication with Unmanned Aerial Vehicles (UAV) is of growing demand among industrial and commercial applications since the last decade. In this paper, we investigate enhancing beam forming performance based on signal…

Signal Processing · Electrical Eng. & Systems 2020-09-08 Tianxiao Zhao , Chunbo Luo , Geyong Min , Jianming Zhou , Dechun Guo , Wang Miao , Yang Mi

Climate models (CM) are used to evaluate the impact of climate change on the risk of floods and strong precipitation events. However, these numerical simulators have difficulties representing precipitation events accurately, mainly due to…

Computational Engineering, Finance, and Science · Computer Science 2021-02-15 Rilwan Adewoyin , Peter Dueben , Peter Watson , Yulan He , Ritabrata Dutta

We introduce an interpretable deep learning approach for direction of arrival (DOA) estimation with a single snapshot. Classical subspace-based methods like MUSIC and ESPRIT use spatial smoothing on uniform linear arrays for single snapshot…

Signal Processing · Electrical Eng. & Systems 2023-12-01 Ruxin Zheng , Shunqiao Sun , Hongshan Liu , Honglei Chen , Jian Li

Precipitation nowcasting is an important task for weather forecasting. Many recent works aim to predict the high rainfall events more accurately with the help of deep learning techniques, but such events are relatively rare. The rarity is…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Ashesh , Buo-Fu Chen , Treng-Shi Huang , Boyo Chen , Chia-Tung Chang , Hsuan-Tien Lin

Recent advances in image deraining have focused on training powerful models on mixed multiple datasets comprising diverse rain types and backgrounds. However, this approach tends to overlook the inherent differences among rainy images,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Wu Ran , Peirong Ma , Zhiquan He , Hao Ren , Hong Lu

Rain streaks can severely degrade the visibility, which causes many current computer vision algorithms fail to work. So it is necessary to remove the rain from images. We propose a novel deep network architecture based on deep convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Xia Li , Jianlong Wu , Zhouchen Lin , Hong Liu , Hongbin Zha

Short-term rainfall forecasting, also known as precipitation nowcasting has become a potentially fundamental technology impacting significant real-world applications ranging from flight safety, rainstorm alerts to farm irrigation timings.…

Neural and Evolutionary Computing · Computer Science 2018-10-25 Maitreya Patel , Anery Patel , Dr. Ranendu Ghosh
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