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We study a minimal model for genome evolution whose elementary processes are single site mutation, duplication and deletion of sequence regions and insertion of random segments. These processes are found to generate long-range correlations…

Genomics · Quantitative Biology 2007-05-23 Philipp W. Messer , Peter F. Arndt , Michael Lässig

Semi-supervised change detection (SSCD) utilizes partially labeled data and a large amount of unlabeled data to detect changes. However, the transformer-based SSCD network does not perform as well as the convolution-based SSCD network due…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Yan Xing , Qi'ao Xu , Jingcheng Zeng , Rui Huang , Sihua Gao , Weifeng Xu , Yuxiang Zhang , Wei Fan

Recently, Dense Retrieval (DR) has become a promising solution to document retrieval, where document representations are used to perform effective and efficient semantic search. However, DR remains challenging on long documents, due to the…

Information Retrieval · Computer Science 2022-11-22 Junying Chen , Qingcai Chen , Dongfang Li , Yutao Huang

Motivation: Detecting local correlations in expression between neighbor genes along the genome has proved to be an effective strategy to identify possible causes of transcriptional deregulation in cancer. It has been successfully used to…

Single-cell RNA sequencing (scRNA-seq) is essential for unraveling cellular heterogeneity and diversity, offering invaluable insights for bioinformatics advancements. Despite its potential, traditional clustering methods in scRNA-seq data…

Machine Learning · Computer Science 2025-10-01 Ping Xu , Zhiyuan Ning , Meng Xiao , Guihai Feng , Xin Li , Yuanchun Zhou , Pengfei Wang

Background: Haplotypes, the ordered lists of single nucleotide variations that distinguish chromosomal sequences from their homologous pairs, may reveal an individual's susceptibility to hereditary and complex diseases and affect how our…

Social and Information Networks · Computer Science 2019-11-28 Abishek Sankararaman , Haris Vikalo , François Baccelli

Alternative splicing of gene transcripts greatly expands the functional capacity of the genome, and certain splice isoforms may indicate specific disease states such as cancer. Splice junction microarrays interrogate thousands of splice…

Dense pixel matching is important for many computer vision tasks such as disparity and flow estimation. We present a robust, unified descriptor network that considers a large context region with high spatial variance. Our network has a very…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 René Schuster , Oliver Wasenmüller , Christian Unger , Didier Stricker

Deep learning, a rebranding of deep neural network research works, has achieved a remarkable success in recent years. With multiple hidden layers, deep learning models aim at computing the hierarchical feature representations of the…

Neural and Evolutionary Computing · Computer Science 2018-06-06 Jiawei Zhang , Limeng Cui , Fisher B. Gouza

Computational methods for discovering patterns of local correlations in sequences are important in computational biology. Here we show how to determine the optimal partitioning of aligned sequences into non-overlapping segments such that…

Computational Engineering, Finance, and Science · Computer Science 2012-06-26 Joseph Bockhorst , Nebojsa Jojic

Evolving genomes increase a number of their genes by gene duplications. To escape degradation in a functionless pseudogene, any gene duplicate needs to be guarded by negative (purifying) selection from otherwise inevitable fixation of…

Populations and Evolution · Quantitative Biology 2007-05-23 Dmitri Parkhomchuk , Sergei Rodin

Medical image segmentation is critical for computer-aided diagnosis. However, dense pixel-level annotation is time-consuming and expensive, and medical datasets often exhibit severe class imbalance. Such imbalance causes minority structures…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Yingxue Su , Yiheng Zhong , Keying Zhu , Zimu Zhang , Zhuoru Zhang , Yifang Wang , Yuxin Zhang , Jingxin Liu

The computational problem of inferring the full haplotype of a cell starting from read sequencing data is known as haplotype assembly, and consists in assigning all heterozygous Single Nucleotide Polymorphisms (SNPs) to exactly one of the…

Computational complexity is a key limitation of genomic analyses. Thus, over the last 30 years, researchers have proposed numerous fast heuristic methods that provide computational relief. Comparing genomic sequences is one of the most…

As the integration density and design intricacy of semiconductor wafers increase, the magnitude and complexity of defects in them are also on the rise. Since the manual inspection of wafer defects is costly, an automated artificial…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Subhrajit Nag , Dhruv Makwana , Sai Chandra Teja R , Sparsh Mittal , C Krishna Mohan

Complex systems with tightly coadapted parts frequently appear in living systems and are difficult to account for through Darwinian evolution, that is random variation and natural selection, if the constituent parts are independently coded…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 John F. McGowan , Ph. D

Analysis of DNA samples is an important step in forensics, and the speed of analysis can impact investigations. Comparison of DNA sequences is based on the analysis of short tandem repeats (STRs), which are short DNA sequences of 2-5 base…

Performance · Computer Science 2018-03-07 Siddharth Samsi , Brian Helfer , Jeremy Kepner , Albert Reuther , Darrell O. Ricke

The Spliced Alignment Problem (SAP) that consists in finding an optimal semi-global alignment of a spliced RNA sequence on an unspliced genomic sequence has been largely considered for the prediction and the annotation of gene structures in…

Data Structures and Algorithms · Computer Science 2017-09-20 Jean-David Aguilar , Safa Jammali , Esaie Kuitche , Aïda Ouangraoua

Sequence feature embedding is a challenging task due to the unstructuredness of sequence, i.e., arbitrary strings of arbitrary length. Existing methods are efficient in extracting short-term dependencies but typically suffer from…

Machine Learning · Statistics 2021-10-06 Chitta Ranjan , Samaneh Ebrahimi , Kamran Paynabar

DNA sequencing is the physical/biochemical process of identifying the location of the four bases (Adenine, Guanine, Cytosine, Thymine) in a DNA strand. As semiconductor technology revolutionized computing, modern DNA sequencing technology…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-06 S. Karen Khatamifard , Zamshed Chowdhury , Nakul Pande , Meisam Razaviyayn , Chris Kim , Ulya R. Karpuzcu