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An important preliminary procedure in multi-sensor data fusion is \textit{sensor registration}, and the key step in this procedure is to estimate sensor biases from their noisy measurements. There are generally two difficulties in this bias…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Wenqiang Pu , Ya-Feng Liu , Zhi-Quan Luo

Two-dimensional (2D) Multiple Signal Classification algorithm is a powerful technique for high-resolution direction-of-arrival (DOA) estimation in array signal processing. However, the exhaustive search over the 2D an-gular domain leads to…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Bo Zhou , Kaijie Xu , Yinghui Quan , Mengdao Xing

Label assignment (LA), which aims to assign each training sample a positive (pos) and a negative (neg) loss weight, plays an important role in object detection. Existing LA methods mostly focus on the design of pos weighting function, while…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Shuai Li , Chenhang He , Ruihuang Li , Lei Zhang

Attitude determination is a popular application of Global Navigation Satellite Systems (GNSS). Many methods have been developed to solve the attitude determination problem with different performance offerings. We develop a constrained…

Signal Processing · Electrical Eng. & Systems 2022-03-28 Xing Liu , Tarig Ballal , Hui Chen , Tareq Y. Al-Naffouri

Future large-scale surveys with high resolution imaging will provide us with a few $10^5$ new strong galaxy-scale lenses. These strong lensing systems however will be contained in large data amounts which are beyond the capacity of human…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 C. Schaefer , M. Geiger , T. Kuntzer , J-P. Kneib

Non-Orthogonal Multiple Access (NOMA) technology has emerged as a promising technology to enable massive connectivity and enhanced spectral efficiency in next-generation wireless networks. In this study, we propose a novel two-user downlink…

Information Theory · Computer Science 2025-12-19 Emirhan Zor , Bora Bozkurt , Ferkan Yilmaz

A crucial requirement for machine learning algorithms is not only to perform well, but also to show robustness and adaptability when encountering novel scenarios. One way to achieve these characteristics is to endow the deep learning models…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Eduardo Aguilar , Bogdan Raducanu , Petia Radeva

The ambiguous appearance, tiny scale, and fine-grained classes of objects in remote sensing imagery inevitably lead to the noisy annotations in category labels of detection dataset. However, the effects and treatments of the label noises…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Guozhang Liu , Ting Liu , Mengke Yuan , Tao Pang , Guangxing Yang , Hao Fu , Tao Wang , Tongkui Liao

Positioning is becoming a key component in many Internet of Things (IoT) applications. The main challenges and limitations are the narrow bandwidth, low power and low cost which reduces the accuracy of the time of arrival (TOA) estimation.…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Guangjin Pan , Tao Wang , Xiufeng Jiang , Shunqing Zhang

Although deep convolutional neural networks (DCNNs) have achieved significant accuracy in skin lesion classification comparable or even superior to those of dermatologists, practical implementation of these models for skin cancer screening…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Shuwei Shen , Mengjuan Xu , Fan Zhang , Pengfei Shao , Honghong Liu , Liang Xu , Chi Zhang , Peng Liu , Zhihong Zhang , Peng Yao , Ronald X. Xu

We propose a new soft clustering scheme for classifying galaxies in different activity classes using simultaneously 4 emission-line ratios; log([NII ]/Ha), log([SII]/Ha), log([OI]/Ha) and log([OIII]/Hb). We fit 20 multivariate Gaussian…

Astrophysics of Galaxies · Physics 2019-02-20 Vasileios Stampoulis , David A. van Dyk , Vinay L. Kashyap , Andreas Zezas

We propose a method for 6DoF pose estimation of rigid objects that uses a state-of-the-art deep learning based instance detector to segment object instances in an RGB image, followed by a point-pair based voting method to recover the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Rebecca König , Bertram Drost

Pervasive and high-accuracy positioning has become increasingly important as a fundamental enabler for intelligent connected devices in mobile networks. Nevertheless, current wireless networks heavily rely on pure model-driven techniques to…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Shengheng Liu , Zihuan Mao , Xingkang Li , Mengguan Pan , Peng Liu , Yongming Huang , Xiaohu You

Molecular docking is a core tool in drug discovery for predicting ligand-target interactions. Despite the availability of diverse search-based and machine learning approaches, no single docking algorithm consistently dominates, as…

Artificial Intelligence · Computer Science 2025-10-01 Siyuan Cao , Hongxuan Wu , Jiabao Brad Wang , Yiliang Yuan , Mustafa Misir

Convolutional Neural Network (CNN)-based accurate prediction typically requires large-scale annotated training data. In Medical Imaging, however, both obtaining medical data and annotating them by expert physicians are challenging; to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Changhee Han , Kohei Murao , Shin'ichi Satoh , Hideki Nakayama

Accurate localization of non-cooperative signal sources in non-line-of-sight (NLoS) environments remains a critical challenge with a wide range of applications, including autonomous navigation, industrial automation, and emergency response.…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Xiucheng Wang , Qiming Zhang , Nan Cheng

Non-data-aided (NDA) parameter estimation is considered for binary-phase-shift-keying transmission in an additive white Gaussian noise channel. Cramer-Rao lower bounds (CRLBs) for signal amplitude, noise variance, channel reliability…

Information Theory · Computer Science 2007-07-13 Fredrik Brannstrom , Lars K. Rasmussen

Many discriminative natural language understanding (NLU) tasks have large label spaces. Learning such a process of large-space decision making is particularly challenging due to the lack of training instances per label and the difficulty of…

Computation and Language · Computer Science 2023-10-31 Nan Xu , Fei Wang , Mingtao Dong , Muhao Chen

Despite progress, deep neural networks still suffer performance declines under distribution shifts between training and test domains, leading to a substantial decrease in Quality of Experience (QoE) for applications. Existing test-time…

Machine Learning · Computer Science 2025-06-10 Qinting Jiang , Chuyang Ye , Dongyan Wei , Bingli Wang , Yuan Xue , Jingyan Jiang , Zhi Wang

Region-based object detection infers object regions for one or more categories in an image. Due to the recent advances in deep learning and region proposal methods, object detectors based on convolutional neural networks (CNNs) have been…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Seung-Hwan Bae