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Some glottal analysis approaches based upon linear prediction or complex cepstrum approaches have been proved to be effective to estimate glottal source from real speech utterances. We propose a new approach employing both an all-pole…

Sound · Computer Science 2016-12-16 Yiqiao Chen , John N. Gowdy

We report, for the first time, a multi-confocal Fluorescence Correlation Spectroscopy (mFCS) technique which allows parallel measurements at different locations, by combining a Spatial Light Modulator (SLM), with an Electron Multiplying-CCD…

As the remarkable development of facial manipulation technologies is accompanied by severe security concerns, face forgery detection has become a recent research hotspot. Most existing detection methods train a binary classifier under…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Gaojian Wang , Qian Jiang , Xin Jin , Wei Li , Xiaohui Cui

In this paper, we consider diffusive molecular communication (MC) systems affected by signal-dependent diffusive noise, inter-symbol interference, and external noise. We design linear and nonlinear fractionally-spaced equalization schemes…

Information Theory · Computer Science 2020-04-28 Trang Ngoc Cao , Vahid Jamali , Nikola Zlatanov , Phee Lep Yeoh , Jamie Evans , Robert Schober

Integrating first-order logic constraints (FOLCs) with neural networks is a crucial but challenging problem since it involves modeling intricate correlations to satisfy the constraints. This paper proposes a novel neural layer, LogicMP,…

Artificial Intelligence · Computer Science 2025-10-10 Weidi Xu , Jingwei Wang , Lele Xie , Jianshan He , Hongting Zhou , Taifeng Wang , Xiaopei Wan , Jingdong Chen , Chao Qu , Wei Chu

A sampling method by using scattering amplitude is proposed for shape and location reconstruction in inverse acoustic scattering problems. Only matrix multiplication is involved in the computation, thus the novel sampling method is very…

Numerical Analysis · Mathematics 2017-09-13 Xiaodong Liu

This paper describes a versatile method that accelerates multichannel source separation methods based on full-rank spatial modeling. A popular approach to multichannel source separation is to integrate a spatial model with a source model…

Sound · Computer Science 2019-03-11 Kouhei Sekiguchi , Aditya Arie Nugraha , Yoshiaki Bando , Kazuyoshi Yoshii

We study the problem of estimating the frequencies of several complex sinusoids with constant amplitude (CA) (also called constant modulus) from multichannel signals of their superposition. To exploit the CA property for frequency…

Optimization and Control · Mathematics 2024-04-23 Xunmeng Wu , Zai Yang , Zongben Xu

We consider situations where the applicability of sequential Monte Carlo particle filters is compromised due to the expensive evaluation of the particle weights. To alleviate this problem, we propose a new particle filter algorithm based on…

Computation · Statistics 2022-01-24 Kari Heine , Daniel Burrows

This paper develops a novel sequential Monte Carlo (SMC) approach for joint state and parameter estimation that can deal efficiently with abruptly changing parameters which is a common case when tracking maneuvering targets. The approach…

Computation · Statistics 2015-10-12 Christopher Nemeth , Paul Fearnhead , Lyudmila Mihaylova

Image deblurring aims to restore the detailed texture information or structures from blurry images, which has become an indispensable step in many computer vision tasks. Although various methods have been proposed to deal with the image…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Yanni Zhang , Qiang Li , Miao Qi , Di Liu , Jun Kong , Jianzhong Wang

In the deployment of large language models (LLMs), accurate confidence estimation is critical for assessing the credibility of model predictions. However, existing methods often fail to overcome the issue of overconfidence on incorrect…

Computation and Language · Computer Science 2024-02-20 Pei Wang , Yejie Wang , Muxi Diao , Keqing He , Guanting Dong , Weiran Xu

In this work, we present a new technique for the decomposition of multivariate data, which we call Multivariate Fast Iterative Filtering (MvFIF) algorithm. We study its properties, proving rigorously that it converges in finite time when…

Numerical Analysis · Mathematics 2021-11-04 Antonio Cicone , Enza Pellegrino

Historically employed spectroscopic architectures used for large field of view mapping spectroscopy in millimetere and sub-millimetre astronomy suffer from significant drawbacks. On-chip filterbank spectrometers are a promising technology…

Instrumentation and Methods for Astrophysics · Physics 2026-04-14 Chris S. Benson , Peter S. Barry , Patrick Ashworth , Harry Gordon-Moys , Kirit S. Karkare , Izaak Morris , Gethin Robson

We present a continuous-wave, post selection-free implementation of a widefield optical multipass microscope. It can be operated with a spatially and temporally incoherent light source, and requires no active outcoupling or exotic detection…

Optics · Physics 2021-07-13 Brannon B. Klopfer , Mark A. Kasevich

We consider the problem of reconstructing a signal from multi-layered (possibly) non-linear measurements. Using non-rigorous but standard methods from statistical physics we present the Multi-Layer Approximate Message Passing (ML-AMP)…

Information Theory · Computer Science 2020-01-22 Andre Manoel , Florent Krzakala , Marc Mézard , Lenka Zdeborová

In this work we introduce a comprehensive algorithmic pipeline for multiple parametric model estimation. The proposed approach analyzes the information produced by a random sampling algorithm (e.g., RANSAC) from a machine…

Computer Vision and Pattern Recognition · Computer Science 2016-11-14 Mariano Tepper , Guillermo Sapiro

Recent studies on diffusion-based sampling methods have shown that Langevin Monte Carlo (LMC) algorithms can be beneficial for non-convex optimization, and rigorous theoretical guarantees have been proven for both asymptotic and finite-time…

Optimization and Control · Mathematics 2019-01-23 Thanh Huy Nguyen , Umut Şimşekli , Gaël Richard

Multiple signal classification algorithm (MUSICAL) exploits temporal fluctuations in fluorescence intensity to perform super-resolution microscopy by computing the value of a super-resolving indicator function across a fine sample grid. A…

Image and Video Processing · Electrical Eng. & Systems 2020-12-02 Sebastian Acuña , Ida S. Opstad , Fred Godtliebsen , Balpreet Singh Ahluwalia , Krishna Agarwal

This paper presents a novel LoRa (Long Range) receiver operating in frequency selective Multi-Path Channel (MPC). The dechirped received LoRa wave-forms under MPC allows us to derive a simple and efficient LoRa receiver scheme by using a MF…

Signal Processing · Electrical Eng. & Systems 2022-03-22 Clement Demeslay , Philippe Rostaing , Roland Gautier