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Nowadays, as data becomes increasingly complex and distributed, data analyses often involve several related datasets that are stored on different servers and probably owned by different stakeholders. While there is an emerging need to…

Cryptography and Security · Computer Science 2020-07-31 Jiazhi Xia , Tianxiang Chen , Lei Zhang , Wei Chen , Yang Chen , Xiaolong Zhang , Cong Xie , Tobias Schreck

In Magnetic Resonance Fingerprinting (MRF) the quality of the estimated parameter maps depends on the encoding capability of the variable flip angle train. In this work we show how the dimensionality reduction technique Hierarchical…

Image and Video Processing · Electrical Eng. & Systems 2019-10-08 Kirsten Koolstra , Peter Börnert , Boudewijn Lelieveldt , Andrew Webb , Oleh Dzyubachyk

Learning discriminative image feature embeddings is of great importance to visual recognition. To achieve better feature embeddings, most current methods focus on designing different network structures or loss functions, and the estimated…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Suichan Li , Dapeng Chen , Bin Liu , Nenghai Yu , Rui Zhao

The central goal of this paper is to establish two commonly available dimensionality reduction (DR) methods i.e. t-distributed Stochastic Neighbor Embedding (t-SNE) and Multidimensional Scaling (MDS) in Matlab and to observe their…

Machine Learning · Computer Science 2020-11-19 Shadman Sakib , Md. Abu Bakr Siddique , Md. Abdur Rahman

Dimensionality reduction is crucial both for visualization and preprocessing high dimensional data for machine learning. We introduce a novel method based on a hierarchy built on 1-nearest neighbor graphs in the original space which is used…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 M. Saquib Sarfraz , Marios Koulakis , Constantin Seibold , Rainer Stiefelhagen

This work is concerned with the continuum limit of a graph-based data visualization technique called the t-Distributed Stochastic Neighbor Embedding (t-SNE), which is widely used for visualizing data in a variety of applications, but is…

Machine Learning · Statistics 2026-04-15 Jeff Calder , Zhonggan Huang , Ryan Murray , Adam Pickarski

The t-Distributed Stochastic Neighbor Embedding (t-SNE) has emerged as a popular dimensionality reduction technique for visualizing high-dimensional data. It computes pairwise similarities between data points by default using an RBF kernel…

Machine Learning · Computer Science 2024-10-22 Sarwan Ali , Prakash Chourasia , Haris Mansoor , Bipin koirala , Murray Patterson

This paper introduces NN-STNE, a neural network using t-distributed stochastic neighbor embedding (t-SNE) as a hidden layer to reduce input dimensions by mapping long time-series data into shapelet membership probabilities. A Gaussian…

Machine Learning · Computer Science 2025-02-07 Zhicong Xian , Tabish Chaudhary , Jürgen Bock

This paper applies t-SNE, a visualisation technique familiar from Deep Neural Network research to argumentation graphs by applying it to the output of graph embeddings generated using several different methods. It shows that such a…

Artificial Intelligence · Computer Science 2021-07-02 Lars Malmqvist , Tommy Yuan , Suresh Manandhar

Unsupervised multimodal change detection is a practical and challenging topic that can play an important role in time-sensitive emergency applications. To address the challenge that multimodal remote sensing images cannot be directly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Hongruixuan Chen , Naoto Yokoya , Chen Wu , Bo Du

The quality of GAN-generated images on the MNIST dataset was explored in this paper by comparing them to the original images using t-distributed stochastic neighbor embedding (t- SNE) visualization. A GAN was trained with the dataset to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Okan Düzyel

Longitudinal MRIs are often used to capture the gradual deterioration of brain structure and function caused by aging or neurological diseases. Analyzing this data via machine learning generally requires a large number of ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Jiahong Ouyang , Qingyu Zhao , Ehsan Adeli , Edith V Sullivan , Adolf Pfefferbaum , Greg Zaharchuk , Kilian M Pohl

Real-world social networks and digital platforms are comprised of individuals (nodes) that are linked to other individuals or entities through multiple types of relationships (links). Sub-networks of such a network based on each type of…

Machine Learning · Computer Science 2019-02-19 Yiwei Sun , Ngot Bui , Tsung-Yu Hsieh , Vasant Honavar

Data are not only ubiquitous in society, but are increasingly complex both in size and dimensionality. Dimension reduction offers researchers and scholars the ability to make such complex, high dimensional data spaces simpler and more…

Machine Learning · Computer Science 2021-03-15 Philip D. Waggoner

Detecting visual relationships, i.e. <Subject, Predicate, Object> triplets, is a challenging Scene Understanding task approached in the past via linguistic priors or spatial information in a single feature branch. We introduce a new deeply…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Nikolaos Gkanatsios , Vassilis Pitsikalis , Petros Koutras , Athanasia Zlatintsi , Petros Maragos

Correct risk estimation of policyholders is of great significance to auto insurance companies. While the current tools used in this field have been proven in practice to be quite efficient and beneficial, we argue that there is still a lot…

Artificial Intelligence · Computer Science 2023-03-02 Joseph Levitas , Konstantin Yavilberg , Oleg Korol , Genadi Man

Feature modeling of different modalities is a basic problem in current research of cross-modal information retrieval. Existing models typically project texts and images into one embedding space, in which semantically similar information…

Multimedia · Computer Science 2019-06-13 Jing Yu , Chenghao Yang , Zengchang Qin , Zhuoqian Yang , Yue Hu , Weifeng Zhang

Dimensionality reduction techniques are essential for visualizing and analyzing high-dimensional biological sequencing data. t-distributed Stochastic Neighbor Embedding (t-SNE) is widely used for this purpose, traditionally employing the…

Machine Learning · Computer Science 2025-12-19 Avais Jan , Prakash Chourasia , Sarwan Ali , Murray Patterson

The recent advancements in computational power and machine learning algorithms have led to vast improvements in manifold areas of research. Especially in finance, the application of machine learning enables both researchers and…

Statistical Finance · Quantitative Finance 2020-05-21 Sven Husmann , Antoniya Shivarova , Rick Steinert

Today's densely instrumented world offers tremendous opportunities for continuous acquisition and analysis of multimodal sensor data providing temporal characterization of an individual's behaviors. Is it possible to efficiently couple such…

Machine Learning · Computer Science 2018-09-03 Homa Hosseinmardi , Amir Ghasemian , Shrikanth Narayanan , Kristina Lerman , Emilio Ferrara