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From molecular imaging to wireless communications, the ability to align and reconstruct signals from multiple misaligned observations is crucial for system performance. We study the problem of multi-reference alignment (MRA), which arises…

Machine Learning · Computer Science 2025-11-06 Rob Romijnders , Gabriele Cesa , Christos Louizos , Kumar Pratik , Arash Behboodi

In the Minimum Common String Partition Problem (MCSP), we are given two strings on input, and we want to partition both into the same collection of substrings, minimizing the number of the substrings in the partition. This combinatorial…

Data Structures and Algorithms · Computer Science 2021-10-12 Miloš Chromý , Markus Sinnl

Face Anti-Spoofing (FAS) is essential for the security of facial recognition systems in diverse scenarios such as payment processing and surveillance. Current multimodal FAS methods often struggle with effective generalization, mainly due…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Yingjie Ma , Xun Lin , Zitong Yu , Xin Liu , Xiaochen Yuan , Weicheng Xie , Linlin Shen

Massive Multi Input Multi Output (MIMO) systems enable higher data rates in the downlink (DL) with spatial multiplexing achieved by forming narrow beams. The higher DL data rates are achieved by effective implementation of spatial…

Signal Processing · Electrical Eng. & Systems 2025-02-26 K. Sai Praneeth , Anil Kumar Yerrapragada , Achyuth Sagireddi , Sai Prasad , Radha Krishna Ganti

Domain shift, the mismatch between training and testing data characteristics, causes significant degradation in the predictive performance in multi-source imaging scenarios. In medical imaging, the heterogeneity of population, scanners and…

Machine Learning · Computer Science 2021-12-21 Rongguang Wang , Pratik Chaudhari , Christos Davatzikos

We present an iterative scheme, reminiscent of the Multigrid method, to solve large boundary value problems with Probabilistic Domain Decomposition (PDD). In it, increasingly accurate approximations to the solution are used as control…

Numerical Analysis · Mathematics 2017-01-06 Francisco Bernal , Juan A. Acebrón

Higher-order tensors have received increased attention across science and engineering. While most tensor decomposition methods are developed for a single tensor observation, scientific studies often collect side information, in the form of…

Methodology · Statistics 2021-10-29 Jiaxin Hu , Chanwoo Lee , Miaoyan Wang

In this paper, we present an optical computing method for string data alignment applicable to genome information analysis. By applying moire technique to spatial encoding patterns of deoxyribonucleic acid (DNA) sequences, association…

As deep learning techniques advance more than ever, hyper-parameter optimization is the new major workload in deep learning clusters. Although hyper-parameter optimization is crucial in training deep learning models for high model…

Machine Learning · Computer Science 2019-11-26 Ahnjae Shin , Dong-Jin Shin , Sungwoo Cho , Do Yoon Kim , Eunji Jeong , Gyeong-In Yu , Byung-Gon Chun

In this article, we investigate different parsimony-based approaches towards finding recombination breakpoints in a multiple sequence alignment. This recombination detection task is crucial in order to avoid errors in evolutionary analyses…

Populations and Evolution · Quantitative Biology 2019-10-25 Mark Jones , Philippe Gambette , Leo van Iersel , Remie Janssen , Steven Kelk , Fabio Pardi , Celine Scornavacca

Atomic-level simulations are widely used to study biomolecules and their dynamics. A common goal in such studies is to compare simulations of a molecular system under several conditions -- for example, with various mutations or bound…

Biomolecules · Quantitative Biology 2025-01-07 Martin Vögele , Neil J. Thomson , Sang T. Truong , Jasper McAvity , Ulrich Zachariae , Ron O. Dror

This paper presents an evolutionary metaheuristic called Multiple Search Neuroevolution (MSN) to optimize deep neural networks. The algorithm attempts to search multiple promising regions in the search space simultaneously, maintaining…

Neural and Evolutionary Computing · Computer Science 2019-01-21 Ahmed Aly , David Weikersdorfer , Claire Delaunay

Segmentation is a crucial analysis task in biomedical imaging. Given the diverse experimental settings in this field, the lack of generalization limits the use of deep learning in practice. Domain adaptation is a promising remedy: it…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Anwai Archit , Constantin Pape

In real-world applications of image recognition tasks, such as human pose estimation, cameras often capture objects, like human bodies, at low resolutions. This scenario poses a challenge in extracting and leveraging multi-scale features,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Xiangyong Lu , Masanori Suganuma , Takayuki Okatani

Efficient execution of parameter sensitivity analysis (SA) is critical to allow for its routinely use. The pathology image processing application investigated in this work processes high-resolution whole-slide cancer tissue images from…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-01 Eduardo Scartezini , Willian Barreiros , Tahsin Kurc , Jun Kong , Alba C. M. A. Melo , Joel Saltz , George Teodoro

In science and engineering, intelligent processing of complex signals such as images, sound or language is often performed by a parameterized hierarchy of nonlinear processing layers, sometimes biologically inspired. Hierarchical systems…

Machine Learning · Computer Science 2012-12-27 Miguel Á. Carreira-Perpiñán , Weiran Wang

A new set of DNA base-nucleic acid codes and their hypercomplex number representation have been introduced for taking the probability of each nucleotide into full account. A new scoring system has been proposed to suit the hypercomplex…

Other Quantitative Biology · Quantitative Biology 2014-03-12 Jian-Jun Shu , Li Shan Ouw

While the depth of modern Convolutional Neural Networks (CNNs) surpasses that of the pioneering networks with a significant margin, the traditional way of appending supervision only over the final classifier and progressively propagating…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Duo Li , Qifeng Chen

Domain adaptation is an essential task in transfer learning to leverage data in one domain to bolster learning in another domain. In this paper, we present a new semi-supervised manifold alignment technique based on a two-step approach of…

Machine Learning · Computer Science 2020-11-12 Stefan Dernbach , Don Towsley

Multiscale mixed methods based on non-overlapping domain decompositions can efficiently handle the solution of significant subsurface flow problems in very heterogeneous formations of interest to the industry, especially when implemented on…

Numerical Analysis · Mathematics 2025-02-25 Dilong Zhou , Rafael Guiraldello , Felipe Pereira