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Frequency offset modulation (FOM) is proposed as a new concept to provide both high energy efficiency and high spectral efficiency for communications. In the FOM system, an array of transmitters (TXs) is deployed and only one TX is…

Information Theory · Computer Science 2016-12-22 Xihua Zou , Wei Pan , Ge Yu , Bin Luo , Lianshan Yan

This paper proposes a new approach to construct high quality space-filling sample designs. First, we propose a novel technique to quantify the space-filling property and optimally trade-off uniformity and randomness in sample designs in…

Structured illumination microscopy (SIM) reconstructs a super-resolved image from multiple raw images captured with different illumination patterns; hence, acquisition speed is limited, making it unsuitable for dynamic scenes. We propose a…

Optics · Physics 2025-06-17 Ruiming Cao , Fanglin Linda Liu , Li-Hao Yeh , Laura Waller

Permutation synchronization is an important problem in computer science that constitutes the key step of many computer vision tasks. The goal is to recover $n$ latent permutations from their noisy and incomplete pairwise measurements. In…

Statistics Theory · Mathematics 2024-05-13 Duc Nguyen , Anderson Ye Zhang

In this paper, we propose a data-driven framework for collaborative wideband spectrum sensing and scheduling for networked unmanned aerial vehicles (UAVs), which act as the secondary users (SUs) to opportunistically utilize detected…

Machine Learning · Computer Science 2024-06-05 Sravan Reddy Chintareddy , Keenan Roach , Kenny Cheung , Morteza Hashemi

Interpretable classification of time series presents significant challenges in high dimensions. Traditional feature selection methods in the frequency domain often assume sparsity in spectral density matrices (SDMs) or their inverses, which…

Machine Learning · Statistics 2024-08-19 Sarbojit Roy , Malik Shahid Sultan , Hernando Ombao

Adapting large-scale pre-trained generative models in a parameter-efficient manner is gaining traction. Traditional methods like low rank adaptation achieve parameter efficiency by imposing constraints but may not be optimal for tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Xinxi Zhang , Song Wen , Ligong Han , Felix Juefei-Xu , Akash Srivastava , Junzhou Huang , Hao Wang , Molei Tao , Dimitris N. Metaxas

Accurate medical image segmentation requires effective modeling of both global anatomical structures and fine-grained boundary details. Recent state space models (e.g., Vision Mamba) offer efficient long-range dependency modeling. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Fuhao Zhang , Lei Liu , Jialin Zhang , Ya-Nan Zhang , Nan Mu

Personalized Head-Related Transfer Functions (HRTFs) are starting to be introduced in many commercial immersive audio applications and are crucial for realistic spatial audio rendering. However, one of the main hesitations regarding their…

Sound · Computer Science 2025-10-03 Xuyi Hu , Jian Li , Shaojie Zhang , Stefan Goetz , Lorenzo Picinali , Ozgur B. Akan , Aidan O. T. Hogg

The average spectrum method is a promising approach for the analytic continuation of imaginary time or frequency data to the real axis. It determines the analytic continuation of noisy data from a functional average over all admissible…

Strongly Correlated Electrons · Physics 2020-02-14 Khaldoon Ghanem , Erik Koch

Dynamic parameterization of acoustic environments has drawn widespread attention in the field of audio processing. Precise representation of local room acoustic characteristics is crucial when designing audio filters for various audio…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-26 Chunxi Wang , Maoshen Jia , Meiran Li , Changchun Bao , Wenyu Jin

The advancement to 6G calls for waveforms that transcend static robustness to achieve intelligent adaptability. Affine Frequency Division Multiplexing (AFDM), despite its strength in doubly-dispersive channels, has been confined by chirp…

Information Theory · Computer Science 2025-12-17 Yewen Cao , Yulin Shao

Automatic modulation classification (AMC) has emerged as a key technique in cognitive radio networks in sixth-generation (6G) communications. AMC enables effective data transmission without requiring prior knowledge of modulation schemes.…

Signal Processing · Electrical Eng. & Systems 2024-11-14 Zelin Ji , Shuo Wang , Kuojun Yang , Qinchuan Zhang , Peng Ye

We introduce a framework for designing multi-scale, adaptive, shift-invariant frames and bi-frames for representing signals. The new framework, called AdaFrame, improves over dictionary learning-based techniques in terms of computational…

Computer Vision and Pattern Recognition · Computer Science 2015-07-20 Cheng Tai , Weinan E

Telecom networks are becoming increasingly complex, with diversified deployment scenarios, multi-standards, and multi-vendor support. The intricate nature of the telecom network ecosystem presents challenges to effectively manage, operate,…

Networking and Internet Architecture · Computer Science 2024-08-09 Tahar Zanouda , Meysam Masoudi , Fitsum Gaim Gebre , Mischa Dohler

Cognitive radio is a potential solution to meet the upcoming spectrum crunch issue. In a cognitive radio, spectrum holes can be identified using spectrum sensing techniques. A high resolution spectrum hole detection can ensure even the…

Signal Processing · Electrical Eng. & Systems 2022-07-05 Sushmitha Sajeevu , Sakthivel Vellaisamy

Automatic modulation classification (AMC) is to identify the modulation format of the received signal corrupted by the channel effects and noise. Most existing works focus on the impact of noise while relatively little attention has been…

Signal Processing · Electrical Eng. & Systems 2023-10-13 Sai Huang , Yuting Chen , Jiashuo He , Shuo Chang , Zhiyong Feng

Factorization Machine (FM) is a widely used supervised learning approach by effectively modeling of feature interactions. Despite the successful application of FM and its many deep learning variants, treating every feature interaction…

Machine Learning · Computer Science 2019-02-28 Fuxing Hong , Dongbo Huang , Ge Chen

We introduce the Spectroscopy Pre-trained Transformer (SpecPT), a transformer-based model designed to analyze spectroscopic data, with applications in spectrum reconstruction and redshift measurement. Using the Early Data Release (EDR) of…

Instrumentation and Methods for Astrophysics · Physics 2025-06-12 Rohan Pattnaik , Jeyhan S. Kartaltepe , Clive Binu

In this paper, we tackle the problem of handling narrowband and wideband speech by building a single acoustic model (AM), also called mixed bandwidth AM. In the proposed approach, an auxiliary input feature is used to provide the bandwidth…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-09 Gautam Mantena , Ozlem Kalinli , Ossama Abdel-Hamid , Don McAllaster
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