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Non-decimated Quaternion Wavelet Spectral Tools with Applications

Authors: Taewoon Kong, Brani Vidakovic

arXiv

Quaternion wavelets are redundant wavelet transforms generalizing complex-valued non-decimated wavelet transforms. In this paper we propose a matrix-formulation for non-decimated quaternion wavelet tr...

mental health psychology open access

A Structured Approach to the Analysis of Remote Sensing Images

Authors: Donghui Yan, Congcong Li, Na Cong, Le Yu, Peng Gong

arXiv

The number of studies for the analysis of remote sensing images has been growing exponentially in the last decades. Many studies, however, only report results---in the form of certain performance metr...

mental health psychology open access

Estimating and Forecasting the Smoking-Attributable Mortality Fraction for Both Genders Jointly in Over 60 Countries

Authors: Yicheng Li, Adrian E. Raftery

arXiv

Smoking is one of the preventable threats to human health and is a major risk factor for lung cancer, upper aero-digestive cancer, and chronic obstructive pulmonary disease. Estimating and forecasting...

mental health psychology open access

Active Matrix Factorization for Surveys

Authors: Chelsea Zhang, Sean J. Taylor, Curtiss Cobb, Jasjeet Sekhon

arXiv

Amid historically low response rates, survey researchers seek ways to reduce respondent burden while measuring desired concepts with precision. We propose to ask fewer questions of respondents and imp...

mental health psychology open access

The Mahalanobis kernel for heritability estimation in genome-wide association studies: fixed-effects and random-effects methods

Authors: Ruijun Ma, Lee H. Dicker

arXiv

Linear mixed models (LMMs) are widely used for heritability estimation in genome-wide association studies (GWAS). In standard approaches to heritability estimation with LMMs, a genetic relationship ma...

mental health psychology open access

A threshold-free summary index for quantifying the capacity of covariates to yield efficient treatment rules

Authors: Mohsen Sadatsafavi, Mohammad Mansournia, Paul Gustafson

arXiv

The focus of this paper is on quantifying the capacity of covariates in devising efficient treatment rules when data from a randomized trial are available. Conventional one-variable-at-a-time subgroup...

mental health psychology open access

How to Host a Data Competition: Statistical Advice for Design and Analysis of a Data Competition

Authors: Christine M. Anderson-Cook, Kary L. Myers, Lu Lu, Michael L. Fugate, Kevin R. Quinlan, Norma Pawley

arXiv

Data competitions rely on real-time leaderboards to rank competitor entries and stimulate algorithm improvement. While such competitions have become quite popular and prevalent, particularly in superv...

mental health psychology open access

Social Innovation and the Evolution of Creative, Sustainable Worldviews

Authors: Liane Gabora, Mike Unrau

arXiv

The ideas that we forge creatively as individuals and groups build on one another in a manner that is cumulative and adaptive, forming open-ended lineages across space and time. Thus, human culture is...

mental health psychology open access

Penalized least squares approximation methods and their applications to stochastic processes

Authors: Takumi Suzuki, Nakahiro Yoshida

arXiv

We construct an objective function that consists of a quadratic approximation term and a penalty term. Thanks to the quadratic approximation, we can deal with various kinds of loss functions into a un...

mental health psychology open access

Computational EEG in Personalized Medicine: A study in Parkinson's Disease

Authors: Sebastian Mathias Keller, Maxim Samarin, Antonia Meyer, Vitalii Kosak, Ute Gschwandtner, Peter Fuhr, Volker Roth

arXiv

Recordings of electrical brain activity carry information about a person's cognitive health. For recording EEG signals, a very common setting is for a subject to be at rest with its eyes closed. Analy...

mental health psychology open access

An empiric-stochastic approach, based on normalization parameters, to simulate solar irradiance

Authors: Edith Osorio de la Rosa, Guillermo Becerra Nuñez, Alfredo Omar Palafox Roca, René Ledesma-Alonso

arXiv

The data acquisition of solar radiation in a locality is essential for the development of efficient designs of systems, whose operation is based on solar energy. This paper presents a methodology to e...

mental health psychology open access

Spectral peculiarity and criticality of the human connectome

Authors: K. Anokhin, V. Avetisov, A. Gorsky, S. Nechaev, N. Pospelov, O. Valba

arXiv

We have performed the comparative spectral analysis of structural connectomes for various organisms using open-access data. Our analysis indicates several new peculiar features of the human connectome...

mental health psychology open access

Diffusion geometry approach to efficiently remove electrical stimulation artifacts in intracranial electroencephalography

Authors: Sankaraleengam Alagapan, Hae Won Shin, Flavio Frohlich, Hau-tieng Wu

arXiv

Cortical oscillations, electrophysiological activity patterns, associated with cognitive functions and impaired in many psychiatric disorders can be observed in intracranial electroencephalography (iE...

mental health psychology open access

Brain-Inspired Stigmergy Learning

Authors: Xing Hsu, Zhifeng Zhao, Rongpeng Li, Honggang Zhang

arXiv

Stigmergy has proved its great superiority in terms of distributed control, robustness and adaptability, thus being regarded as an ideal solution for large-scale swarm control problems. Based on new d...

mental health psychology open access

High dimensional inference for the structural health monitoring of lock gates

Authors: Matthew Parno, Devin O'Connor, Matthew Smith

arXiv

Locks and dams are critical pieces of inland waterways. However, many components of existing locks have been in operation past their designed lifetime. To ensure safe and cost effective operations, it...

mental health psychology open access