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Most of major algorithms for phylogenetic tree reconstruction assume that sequences in the analyzed set either do not have any offspring, or that parent sequences can maximally mutate into just two descendants. The graph resulting from such…

种群与进化 · 定量生物学 2013-10-09 Piotr Plonski , Jan P. Radomski

A new method for explaining the Siamese neural network is proposed. It uses the following main ideas. First, the explained feature vector is compared with the prototype of the corresponding class computed at the embedding level (the Siamese…

机器学习 · 计算机科学 2019-11-19 Lev V. Utkin , Maxim S. Kovalev , Ernest M. Kasimov

In this paper, we explore the use of convolutional networks (ConvNets) for the purpose of cognate identification. We compare our architecture with binary classifiers based on string similarity measures on different language families. Our…

计算与语言 · 计算机科学 2016-07-05 Taraka Rama

We propose an end-to-end deep model for speaker verification in the wild. Our model uses thin-ResNet for extracting speaker embeddings from utterances and a Siamese capsule network and dynamic routing as the Back-end to calculate a…

音频与语音处理 · 电气工程与系统科学 2020-09-29 Amirhossein Hajavi , Ali Etemad

Retrieval of family members in the wild aims at finding family members of the given subject in the dataset, which is useful in finding the lost children and analyzing the kinship. However, due to the diversity in age, gender, pose and…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Jun Yu , Guochen Xie , Mengyan Li , Xinlong Hao

Monitoring of bird populations has played a vital role in conservation efforts and in understanding biodiversity loss. The automation of this process has been facilitated by both sensing technologies, such as passive acoustic monitoring,…

机器学习 · 计算机科学 2021-08-23 Irina Tolkova , Brian Chu , Marcel Hedman , Stefan Kahl , Holger Klinck

We consider the phylogenetic tree reconstruction problem with insertions and deletions (indels). Phylogenetic algorithms proceed under a model where sequences evolve down the model tree, and given sequences at the leaves, the problem is to…

数据结构与算法 · 计算机科学 2019-02-22 Arun Ganesh , Qiuyi Zhang

Automated bioacoustic analysis aids understanding and protection of both marine and terrestrial animals and their habitats across extensive spatiotemporal scales, and typically involves analyzing vast collections of acoustic data. With the…

音频与语音处理 · 电气工程与系统科学 2023-12-22 Burooj Ghani , Tom Denton , Stefan Kahl , Holger Klinck

In this paper, we propose a deep convolutional neural network for learning the embeddings of images in order to capture the notion of visual similarity. We present a deep siamese architecture that when trained on positive and negative pairs…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Rishab Sharma , Anirudha Vishvakarma

The problem of reconstructing evolutionary trees or phylogenies is of great interest in computational biology. A popular model for this problem assumes that we are given the set of leaves (current species) of an unknown binary tree and the…

数据结构与算法 · 计算机科学 2022-06-16 Eshwar Ram Arunachaleswaran , Anindya De , Sampath Kannan

Phylogenetic networks provide a means of describing the evolutionary history of sets of species believed to have undergone hybridization or gene flow during their evolution. The mutation process for a set of such species can be modeled as a…

种群与进化 · 定量生物学 2022-11-23 Travis Barton , Elizabeth Gross , Colby Long , Joseph Rusinko

Rooted phylogenetic networks provide an explicit representation of the evolutionary history of a set $X$ of sampled species. In contrast to phylogenetic trees which show only speciation events, networks can also accommodate reticulate…

组合数学 · 数学 2021-01-01 Peter L. Erdos , Charles Semple , Mike Steel

We introduce new methods for phylogenetic tree quartet construction by using machine learning to optimize the power of phylogenetic invariants. Phylogenetic invariants are polynomials in the joint probabilities which vanish under a model of…

种群与进化 · 定量生物学 2007-05-23 Nicholas Eriksson , Yuan Yao

Phylogenetic networks are a generalization of phylogenetic trees that allow for the representation of non-treelike evolutionary events, like recombination, hybridization, or lateral gene transfer. In this paper, we present and study a new…

种群与进化 · 定量生物学 2007-08-28 Gabriel Cardona , Francesc Rossello , Gabriel Valiente

With the rise of voice-activated applications, the need for speaker recognition is rapidly increasing. The x-vector, an embedding approach based on a deep neural network (DNN), is considered the state-of-the-art when proper end-to-end…

音频与语音处理 · 电气工程与系统科学 2020-07-29 Shai Rozenberg , Hagai Aronowitz , Ron Hoory

We study the inverse problem of reconstructing high-dimensional trust embeddings from the one-dimensional Siamese trust scores that many distributed-security frameworks expose. Starting from two independent agents that publish time-stamped…

密码学与安全 · 计算机科学 2025-08-05 Faruk Alpay , Taylan Alpay , Bugra Kilictas

A common assumption in multiple scientific applications is that the distribution of observed data can be modeled by a latent tree graphical model. An important example is phylogenetics, where the tree models the evolutionary lineages of a…

机器学习 · 统计学 2020-09-24 Ariel Jaffe , Noah Amsel , Yariv Aizenbud , Boaz Nadler , Joseph T. Chang , Yuval Kluger

Large Lanugage Models (LLMs) are gaining increasing popularity in a variety of use cases, from language understanding and writing to assistance in application development. One of the most important aspects for optimal funcionality of LLMs…

计算与语言 · 计算机科学 2024-01-02 Yash Bingi , Yiqiao Yin

We derive tractable criteria for the consistency of Bayesian tree reconstruction procedures, which constitute a central class of algorithms for inferring common ancestry among DNA sequence samples in phylogenetics. Our results encompass…

统计理论 · 数学 2025-08-05 Alisa Kirichenko , Luke J. Kelly , Jere Koskela

We study the problem of learning a node-labeled tree given independent traces from an appropriately defined deletion channel. This problem, tree trace reconstruction, generalizes string trace reconstruction, which corresponds to the tree…

计算复杂性 · 计算机科学 2020-09-22 Sami Davies , Miklos Z. Racz , Cyrus Rashtchian
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