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The SKA pulsar search pipeline will be used for real time detection of pulsars. Modern radio telescopes such as SKA will be generating petabytes of data in their full scale of operation. Hence experience-based and data-driven algorithms…

Instrumentation and Methods for Astrophysics · Physics 2023-05-10 Shashank Sanjay Bhat , Thiagaraj Prabu , Ben Stappers , Atul Ghalame , Snehanshu Saha , T. S. B Sudarshan , Zafiirah Hosenie

Many real-world classification problems are cost-sensitive in nature, such that the misclassification costs vary between data instances. Cost-sensitive learning adapts classification algorithms to account for differences in…

Machine Learning · Computer Science 2023-01-05 Natalie Lawrance , Marie-Anne Guerry , George Petrides

In this paper, we explore a method for treating survival analysis as a classification problem. The method uses a "stacking" idea that collects the features and outcomes of the survival data in a large data frame, and then treats it as a…

Methodology · Statistics 2019-09-27 Chenyang Zhong , Robert Tibshirani

The Square Kilometre Array (SKA) is the largest radio interferometer under construction in the world. Its immense amount of visibility data poses a considerable challenge to the subsequent processing by the science data processor (SDP).…

Instrumentation and Methods for Astrophysics · Physics 2022-03-30 Qing-Wen Deng , Feng Wang , Hui Deng , Ying Mei , Jing Li , Oleg Smirnov , Shao-Guang Guo

By estimating 3D shape and instances from a single view, we can capture information about an environment quickly, without the need for comprehensive scanning and multi-view fusion. Solving this task for composite scenes (such as object…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Zoe Landgraf , Raluca Scona , Tristan Laidlow , Stephen James , Stefan Leutenegger , Andrew J. Davison

We introduce the Structured Knowledge Accumulation (SKA) framework, which reinterprets entropy as a dynamic, layer-wise measure of knowledge alignment in neural networks. Instead of relying on traditional gradient-based optimization, SKA…

Machine Learning · Computer Science 2025-03-19 Bouarfa Mahi Quantiota

This paper addresses the problem of crack detection which is essential for health monitoring of built infrastructure. Our approach includes two stages, data collection using unmanned aerial vehicles (UAVs) and crack detection using…

Systems and Control · Computer Science 2019-01-04 Manh Duong Phung , Van Truong Hoang , Tran Hiep Dinh , Quang Ha

Recently, a full-scale data processing workflow of the Square Kilometre Array (SKA) Phase 1 was successfully executed on the world's fastest supercomputer Summit, proving that scientists have the expertise, software tools and computing…

Instrumentation and Methods for Astrophysics · Physics 2020-04-13 Ruonan Wang , Andreas Wicenec , Tao An

Unmanned Aerial Vehicles (UAVs) are widely used for aerial photography and remote sensing applications. One of the main challenges is to stitch together multiple images into a single high-resolution image that covers a large area.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Selim Ahmet Iz , Mustafa Unel

We present InvVis, a new approach for invertible visualization, which is reconstructing or further modifying a visualization from an image. InvVis allows the embedding of a significant amount of data, such as chart data, chart information,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Huayuan Ye , Chenhui Li , Yang Li , Changbo Wang

Visual object counting is a fundamental computer vision task in industrial inspection, where accurate, high-throughput inventory tracking and quality assurance are critical. Moreover, manufactured parts are often too light to reliably…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Corentin Dumery , Noa Etté , Aoxiang Fan , Ren Li , Jingyi Xu , Hieu Le , Pascal Fua

Labeling vertebral discs from MRI scans is important for the proper diagnosis of spinal related diseases, including multiple sclerosis, amyotrophic lateral sclerosis, degenerative cervical myelopathy and cancer. Automatic labeling of the…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Reza Azad , Lucas Rouhier , Julien Cohen-Adad

Generation of science-ready data from processed data products is one of the major challenges in next-generation radio continuum surveys with the Square Kilometre Array (SKA) and its precursors, due to the expected data volume and the need…

Instrumentation and Methods for Astrophysics · Physics 2024-02-26 S. Riggi , G. Umana , C. Trigilio , C. Bordiu , F. Bufano , A. Ingallinera , F. Cavallaro , Y. Gordon , R. P. Norris , G. Gürkan , P. Leto , C. Buemi , S. Loru , A. M. Hopkins , M. D. Filipović , T. Cecconello

Unmanned Aerial Vehicles (UAVs) have recently shown great performance collecting visual data through autonomous exploration and mapping in building inspection. Yet, the number of studies is limited considering the post processing of the…

Robotics · Computer Science 2018-08-01 Fatih Kucuksubasi , Arzu Sorguc

The new frontier of cosmology will be led by three-dimensional surveys of the large-scale structure of the Universe. Based on its all-sky surveys and redshift depth, the SKA is destined to revolutionize cosmology, in combination with future…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Roy Maartens , Filipe B. Abdalla , Matt Jarvis , Mario G. Santos

Ensembling methods are well known for improving prediction accuracy. However, they are limited in the sense that they cannot discriminate among component models effectively. In this paper, we propose stacking with auxiliary features that…

Computation and Language · Computer Science 2016-05-30 Nazneen Fatema Rajani , Raymond J. Mooney

We study scalable and uniform understanding of facts in images. Existing visual recognition systems are typically modeled differently for each fact type such as objects, actions, and interactions. We propose a setting where all these facts…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Mohamed Elhoseiny , Scott Cohen , Walter Chang , Brian Price , Ahmed Elgammal

The emerging generation of radio interferometric (RI) telescopes, such as the Square Kilometre Array (SKA), will acquire massive volumes of data and transition radio astronomy to a big-data era. The ill-posed inverse problem of imaging the…

Instrumentation and Methods for Astrophysics · Physics 2019-04-04 Xiaohao Cai , Luke Pratley , Jason D. McEwen

Radio continuum surveys have, in the past, been of restricted use in cosmology. Most studies have concentrated on cross-correlations with the cosmic microwave background to detect the integrated Sachs-Wolfe effect, due to the large sky…

Cosmology and Nongalactic Astrophysics · Physics 2015-01-19 Matt J. Jarvis , David Bacon , Chris Blake , Michael L. Brown , Sam N. Lindsay , Alvise Raccanelli , Mario Santos , Dominik Schwarz

The VISTA Data Flow System comprises nightly pipeline and archiving of near infrared data from UKIRT-WFCAM and VISTA. This includes multi-epoch data which can be used to find moving and variable objects. We have developed a new model for…

Instrumentation and Methods for Astrophysics · Physics 2009-01-26 Nicholas Cross , Ross Collins , Nigel Hambly , Mike Read , Eckhard Sutorius