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Radar and camera fusion yields robustness in perception tasks by leveraging the strength of both sensors. The typical extracted radar point cloud is 2D without height information due to insufficient antennas along the elevation axis, which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Huawei Sun , Hao Feng , Gianfranco Mauro , Julius Ott , Georg Stettinger , Lorenzo Servadei , Robert Wille

Most current super-resolution methods rely on low and high resolution image pairs to train a network in a fully supervised manner. However, such image pairs are not available in real-world applications. Instead of directly addressing this…

Image and Video Processing · Electrical Eng. & Systems 2019-09-23 Andreas Lugmayr , Martin Danelljan , Radu Timofte

We focus on a specific use case in anomaly detection where the distribution of normal samples is supported by a lower-dimensional manifold. Here, regularized autoencoders provide a popular approach by learning the identity mapping on the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Alexander Bauer , Shinichi Nakajima , Klaus-Robert Müller

In automotive applications, frequency modulated continuous wave (FMCW) radar is an established technology to determine the distance, velocity and angle of objects in the vicinity of the vehicle. The quality of predictions might be seriously…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Christian Oswald , Mate Toth , Paul Meissner , Franz Pernkopf

The concept of cognitive radar (CR) enables radar systems to achieve intelligent adaption to a changeable environment with feedback facility from receiver to transmitter. However, the implementation of CR in a fast-changing environment…

Signal Processing · Electrical Eng. & Systems 2021-10-08 Pengfei Liu , Yimin Liu , Tianyao Huang , Yuxiang Lu , Xiqin Wang

This paper introduces a novel framework for jointly estimating unknown radar channels and transmit signals in millimeter-wave (mmWave) Joint Radar-Communication (JRC) systems, a problem often referred to as dual-blind deconvolution. The…

Signal Processing · Electrical Eng. & Systems 2025-01-09 Anis Hamadouche , Mathini Sellathurai

Collecting large annotated datasets in Remote Sensing is often expensive and thus can become a major obstacle for training advanced machine learning models. Common techniques of addressing this issue, based on the underlying idea of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Rahul Ghosh , Xiaowei Jia , Chenxi Lin , Zhenong Jin , Vipin Kumar

Autonomous driving highly depends on capable sensors to perceive the environment and to deliver reliable information to the vehicles' control systems. To increase its robustness, a diversified set of sensors is used, including radar…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Alexander Fuchs , Johanna Rock , Mate Toth , Paul Meissner , Franz Pernkopf

Self-supervised learning has become a popular approach in recent years for its ability to learn meaningful representations without the need for data annotation. This paper proposes a novel image augmentation technique, overlaying images,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yinheng Li , Han Ding , Shaofei Wang

In this paper, we introduce a novel deep neural network suitable for multi-scale analysis and propose efficient model-agnostic methods that help the network extract information from high-frequency domains to reconstruct clearer images. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Hyungmin Roh , Myungjoo Kang

Imitation learning is a promising approach for training autonomous vehicles (AV) to navigate complex traffic environments by mimicking expert driver behaviors. While existing imitation learning frameworks focus on leveraging expert…

Robotics · Computer Science 2025-09-25 Yasin Sonmez , Hanna Krasowski , Murat Arcak

Understanding terrain topology at long-range is crucial for the success of off-road robotic missions, especially when navigating at high-speeds. LiDAR sensors, which are currently heavily relied upon for geometric mapping, provide sparse…

Recent advances in Generative Adversarial Learning allow for new modalities of image super-resolution by learning low to high resolution mappings. In this paper we present our work using Generative Adversarial Networks (GANs) with…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Marc Bosch , Christopher M. Gifford , Pedro A. Rodriguez

In the present work, a reinforcement learning (RL) based adaptive algorithm to optimise the transmit beampattern for a colocated massive MIMO radar is presented. Under the massive MIMO regime, a robust Wald type detector, able to guarantee…

Signal Processing · Electrical Eng. & Systems 2022-12-20 Francesco Lisi , Stefano Fortunati , Maria Sabrina Greco , Fulvio Gini

Detecting anomalies in musculoskeletal radiographs is of paramount importance for large-scale screening in the radiology workflow. Supervised deep networks take for granted a large number of annotations by radiologists, which is often…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Antoine Spahr , Behzad Bozorgtabar , Jean-Philippe Thiran

Magnetic resonance imaging (MRI) is a widely used medical imaging modality. However, due to the limitations in hardware, scan time, and throughput, it is often clinically challenging to obtain high-quality MR images. The super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2020-02-20 Qing Lyu , Hongming Shan , Ge Wang

This paper is on image and face super-resolution. The vast majority of prior work for this problem focus on how to increase the resolution of low-resolution images which are artificially generated by simple bilinear down-sampling (or in a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Adrian Bulat , Jing Yang , Georgios Tzimiropoulos

This paper presents an novel object type classification method for automotive applications which uses deep learning with radar reflections. The method provides object class information such as pedestrian, cyclist, car, or non-obstacle. The…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Michael Ulrich , Claudius Gläser , Fabian Timm

In this paper, we introduce a novel algorithm that can dramatically reduce the number of antenna elements needed to accurately predict the direction of arrival (DOA) for multiple input multiple output (MIMO) radar. The new proposed…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Udaya Sampath K. P. Miriya Thanthrige , Aya Mostafa Ahmed , Aydin Sezgin

We propose two concepts for the significant improvement of surface current mapping with bistatic oceanographic High-Frequency Radars. These ameliorations pertain to the azimuthal processing of radar data with linear or quasi-linear antenna…

Signal Processing · Electrical Eng. & Systems 2020-05-22 Dylan Dumas , Charles-Antoine Guérin