English
Related papers

Related papers: SOMson -- Sonification of Multidimensional Data in…

200 papers

Next generations of radio surveys are expected to identify tens of millions of new sources, and identifying and classifying their morphologies will require novel and more efficient methods. Self-Organising Maps (SOMs), a type of…

Astrophysics of Galaxies · Physics 2025-01-22 Afrida Alam , Kevin A. Pimbblet , Yjan A. Gordon

We introduce aweSOM, an open-source Python package for machine learning (ML) clustering and classification, using a Self-organizing Maps (SOM) algorithm that incorporates CPU/GPU acceleration to accommodate large ($N > 10^6$, where $N$ is…

Machine Learning · Computer Science 2025-04-15 Trung Ha , Joonas Nättilä , Jordy Davelaar

This article is an extended version of a paper presented in the WSOM'2012 conference [1]. We display a combination of factorial projections, SOM algorithm and graph techniques applied to a text mining problem. The corpus contains 8 medieval…

Statistics Theory · Mathematics 2015-06-26 Nicolas Bourgeois , Marie Cottrell , Benjamin Déruelle , Stéphane Lamassé , Patrick Letrémy

This paper presents the self-organized neuromorphic architecture named SOMA. The objective is to study neural-based self-organization in computing systems and to prove the feasibility of a self-organizing hardware structure. Considering…

Neural and Evolutionary Computing · Computer Science 2018-10-31 Lyes Khacef , Bernard Girau , Nicolas Rougier , Andres Upegui , Benoit Miramond

The objective optimization of medical imaging systems requires full characterization of all sources of randomness in the measured data, which includes the variability within the ensemble of objects to-be-imaged. This can be accomplished by…

Image and Video Processing · Electrical Eng. & Systems 2020-01-28 Weimin Zhou , Sayantan Bhadra , Frank J. Brooks , Hua Li , Mark A. Anastasio

Development of optical technology has enabled imaging of two-dimensional (2D) sound fields. This acousto-optic sensing enables understanding of the interaction between sound and objects such as reflection and diffraction. Moreover, it is…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Risako Tanigawa , Kenji Ishikawa , Noboru Harada , Yasuhiro Oikawa

Diabetes is considered a lifestyle disease and a well managed self-care plays an important role in the treatment. Clinicians often conduct surveys to understand the self-care behaviors in their patients. In this context, we propose to use…

Computational Engineering, Finance, and Science · Computer Science 2015-03-29 Santosh Tirunagari , Norman Poh , Guosheng Hu , David Windridge

Data augmentation methods have shown great importance in diverse supervised learning problems where labeled data is scarce or costly to obtain. For sound event localization and detection (SELD) tasks several augmentation methods have been…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-20 Ricardo Falcon-Perez , Kazuki Shimada , Yuichiro Koyama , Shusuke Takahashi , Yuki Mitsufuji

Deep neural networks (DNNs), the agents of deep learning (DL), require a massive number of parallel/sequential operations, which makes it difficult to comprehend them and impedes proper diagnosis. Without better knowledge of DNNs' internal…

Machine Learning · Computer Science 2024-11-19 Jung Hoon Lee , Sujith Vijayan

We present a simple yet effective self-supervised framework for audio-visual representation learning, to localize the sound source in videos. To understand what enables to learn useful representations, we systematically investigate the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jinxiang Liu , Chen Ju , Weidi Xie , Ya Zhang

Data noising is an effective technique for regularizing neural network models. While noising is widely adopted in application domains such as vision and speech, commonly used noising primitives have not been developed for discrete…

Machine Learning · Computer Science 2017-03-09 Ziang Xie , Sida I. Wang , Jiwei Li , Daniel Lévy , Aiming Nie , Dan Jurafsky , Andrew Y. Ng

Sonar images are relevant for advancing underwater exploration, autonomous navigation, and ecosystem monitoring. However, the progress depends on data availability. The scarcity of publicly available, well-annotated sonar image datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Larissa S. Gomes , Gustavo P. Almeida , Bryan U. Moreira , Marco Quiroz , Breno Xavier , Lucas Soares , Stephanie L. Brião , Felipe G. Oliveira , Paulo L. J. Drews-Jr

In Geographical Information search, map visualization can challenge the user because results can consist of a large set of heterogeneous items, increasing visual complexity. We propose a novel visualization model to address this issue. Our…

Human-Computer Interaction · Computer Science 2020-04-02 Liliana Ardissono , Matteo Delsanto , Maurizio Lucenteforte , Noemi Mauro , Adriano Savoca , Daniele Scanu

This study exploits previously demonstrated properties such as sensitivity to the spatial extent and the intensity of local image contrast of the quantization error in the output of a Self Organizing Map (SOM QE). Here, the SOM QE is…

Quantitative Methods · Quantitative Biology 2021-10-18 Birgitta Dresp-Langley , JM Wandeto

In the recent years, there is a growing interest in semi-supervised learning, since, in many learning tasks, there is a plentiful supply of unlabeled data, but insufficient labeled ones. Hence, Semi-Supervised learning models can benefit…

Machine Learning · Computer Science 2020-03-27 Pedro H. M. Braga , Hansenclever F. Bassani

We present a fast, scalable, and accurate Simultaneous Localization and Mapping (SLAM) system that represents indoor scenes as a graph of objects. Leveraging the observation that artificial environments are structured and occupied by…

Robotics · Computer Science 2020-11-06 Akash Sharma , Wei Dong , Michael Kaess

This paper looks at the problem of using sonification to enable network administrators to maintaining situational awareness about their network environment. Network environments generate a lot of data and the need for continuous monitoring…

Human-Computer Interaction · Computer Science 2014-09-19 Paul Vickers , Christopher Laing , Mohamed Debashi , Tom Fairfax

Information visualization is essential in making sense out of large data sets. Often, high-dimensional data are visualized as a collection of points in 2-dimensional space through dimensionality reduction techniques. However, these…

Computational Geometry · Computer Science 2009-07-16 Emden R. Gansner , Yifan Hu , Stephen G. Kobourov

Dimensionality reduction methods have found vast application as visualization tools in diverse areas of science. Although many different methods exist, their performance is often insufficient for providing quick insight into many…

3D situational awareness is critical for any autonomous system. However, when operating underwater, environmental conditions often dictate the use of acoustic sensors. These acoustic sensors are plagued by high noise and a lack of 3D…

Robotics · Computer Science 2024-12-06 John McConnell , Ivana Collado-Gonzalez , Paul Szenher , Brendan Englot