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Local binary pattern (LBP) as a kind of local feature has shown its simplicity, easy implementation and strong discriminating power in image recognition. Although some LBP variants are specifically investigated for color image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Bin Xiao , Tao Geng , Xiuli Bi , Weisheng Li

In this study, we analyze index modulation (IM) based on circularly-shifted chirps (CSCs) for dual-function radar & communication (DFRC) systems. We develop a maximum likelihood (ML) range estimator that considers multiple scatters. To…

Signal Processing · Electrical Eng. & Systems 2020-10-08 Safi Shams Muhtasimul Hoque , Alphan Sahin

Analytical modeling of field-assisted molecular communication under dynamic electric fields is fundamentally challenging due to the coupling between stochastic transport and complex boundary geometries, which renders conventional partial…

Information Theory · Computer Science 2026-04-02 Po-Chun Chou , Yen-Chi Lee , Chun-An Yang , Chia-Han Lee , Ping-Cheng Yeh

We report on the noise performance characteristics of magnetic sensors using both magnetic tunnel junction (MTJ) and giant magnetoresistance (GMR) elements. Each sensor studied has a notably different noise and detectivity. Of the sensors…

Materials Science · Physics 2021-02-24 J. E. Davies , J. D. Watts , J. Novotny , D. Huang , P. G. Eames

The Indian Scintillator Matrix for Reactor Anti-Neutrino detection - ISMRAN experiment aims to detect electron anti-neutrinos ($\bar\nu_e$) emitted from a reactor via inverse beta decay reaction (IBD). The setup, consisting of 1 ton…

Data Analysis, Statistics and Probability · Physics 2020-05-22 D. Mulmule , P. K. Netrakanti , L. M. Pant , B. K. Nayak

This paper presents Bit-Interleaved Coded Modulation metrics for joint estimation detection using training or reference signal transmission strategies for short to long block length channels. We show that it is possible to enhance the…

Information Theory · Computer Science 2025-02-11 Mody Sy , Raymond Knopp

Context. In exoplanet searches with radial velocity data, the most common statistical significance metrics are the Bayes factor and the false alarm probability (FAP). Both have proved useful, but do not directly address whether an exoplanet…

Earth and Planetary Astrophysics · Physics 2022-07-06 Nathan C. Hara , Nicolas Unger , Jean-Baptiste Delisle , Rodrigo Díaz , Damien Ségransan

In this paper, we solve the optimal target detection problem employing the thoughts and methodologies of Shannon's information theory. Introducing a target state variable into a general radar system model, an equivalent detection channel is…

Information Theory · Computer Science 2024-01-05 Dazhuan Xu , Nan Wang , Han Zhang , Xiaolong Kong

Soft noncoherent detection, which relies on calculating the \textit{a posteriori} probabilities (APPs) of the bits transmitted with no channel estimation, is imperative for achieving excellent detection performance in high-dimensional…

Information Theory · Computer Science 2016-10-11 Chanfei Wang , Tiejun Lv , Hui Gao , Shaoshi Yang

The emerging field of signal processing on graph plays a more and more important role in processing signals and information related to networks. Existing works have shown that under certain conditions a smooth graph signal can be uniquely…

Information Theory · Computer Science 2015-04-08 Xiaohan Wang , Jiaxuan Chen , Yuantao Gu

This paper presents a deep learning-based framework for enhancing radar systems in the presence of interference, leveraging Reconfigurable Intelligent Surfaces (RIS). The proposed technique uses a modified MUSIC algorithm to estimate the…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Ali Parchekani , Milad Johnny , Shahrokh Valaee

In this work, a system scheme is proposed for tracking a radio emitting target moving in two-dimensional space. The localization is based on the use of biased time-of-arrival (TOA) measurements obtained at two asynchronous receivers, each…

Systems and Control · Computer Science 2014-05-14 Siamak Yousefi , Xiao-Wen Chang , Benoit Champagne

This is the second part of a two-part paper that focuses on link-adaptation (LA) and physical layer (PHY) abstraction for multi-user MIMO (MU-MIMO) systems with non-linear receivers. The first part proposes a new metric, called bit-metric…

Information Theory · Computer Science 2022-09-12 K. Pavan Srinath , Jakob Hoydis

Injecting artificial noise (AN) along the tangent space of a curved constellation makes each transmitted symbol induce a Gaussian observation with a symbol-dependent rank-one covariance, so the matched maximum-likelihood (ML) decoder…

Information Theory · Computer Science 2026-04-29 Bin Han , Muxia Sun , H. Vincent Poor , Hans D. Schotten

Dark Matter particles are commonly assumed to be weakly interacting massive particles (WIMPs) with a mass in the GeV to TeV range. However, recent interest has shifted towards lighter WIMPs, which are more difficult to probe experimentally.…

In this paper, a LiDAR-inertial odometry (LIO) method that eliminates the influence of moving objects in dynamic driving scenarios is proposed. This method constructs binarized labels for 3D points of current sweep, and utilizes the label…

Robotics · Computer Science 2024-09-23 Zikang Yuan , Xiaoxiang Wang , Jingying Wu , Junda Cheng , Xin Yang

Time-delay interferometry (TDI) suppresses laser frequency noise by forming linear combinations of time-shifted interferometric measurements. The time-shift operation is implemented by interpolating discretely sampled data. To enable…

Instrumentation and Methods for Astrophysics · Physics 2025-06-16 Martin Staab , Jean-Baptiste Bayle , Olaf Hartwig , Aurélien Hees , Marc Lilley , Graham Woan , Peter Wolf

Since by the International Telecommunications Union (ITU) regulatory the radio spectrum available to spaceborne synthetic aperture radar (SAR) is restricted to certain limited frequency intervals, there are many different spaceborne SAR…

Signal Processing · Electrical Eng. & Systems 2020-11-10 Huizhang Yang , Mingliang Tao , Shengyao Chen , Feng Xi , Zhong Liu

We present an efficient algorithm for the least squares parameter fitting optimized for component separation in multi-frequency CMB experiments. We sidestep some of the problems associated with non-linear optimization by taking advantage of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-26 Rishi Khatri

We present a new algorithm designed to improve the signal to noise ratio (SNR) of point and extended source detections in direct imaging data. The novel part of our method is that it finds the linear combination of the science images that…