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Remote sensing scene classification deals with the problem of classifying land use/cover of a region from images. To predict the development and socioeconomic structures of cities, the status of land use in regions is tracked by the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Ozlem Sen , Hacer Yalim Keles

We present CLARA, a modular framework for unsupervised transit detection in TESS light curves, leveraging Unsupervised Random Forests (URFs) trained on synthetic datasets and guided by morphological similarity analysis. This work addresses…

Instrumentation and Methods for Astrophysics · Physics 2025-09-24 Mainak Dasgupta

We present a novel approach for classifying stars as binary or exoplanet using deep learning techniques. Our method utilizes feature extraction, wavelet transformation, and a neural network on the light curves of stars to achieve…

Instrumentation and Methods for Astrophysics · Physics 2023-05-22 Aman Kumar , Sarvesh Gharat

Astronomy light curves are sparse, gappy, and heteroscedastic. As a result standard time series methods regularly used for financial and similar datasets are of little help and astronomers are usually left to their own instruments and…

Instrumentation and Methods for Astrophysics · Physics 2018-02-27 Ashish Mahabal , Kshiteej Sheth , Fabian Gieseke , Akshay Pai , S. George Djorgovski , Andrew Drake , Matthew Graham , the CSS/CRTS/PTF Collaboration

Fine-grained remote sensing datasets often use hierarchical label structures to differentiate objects in a coarse-to-fine manner, with each object annotated across multiple levels. However, embedding this semantic hierarchy into the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jingzhou Chen , Dexin Chen , Fengchao Xiong , Yuntao Qian , Liang Xiao

We propose a topological learning algorithm for the estimation of the conditional dependency structure of large sets of random variables from sparse and noisy data. The algorithm, named Maximally Filtered Clique Forest (MFCF), produces a…

Machine Learning · Statistics 2021-05-18 Guido Previde Massara , Tomaso Aste

Exploiting label hierarchies has become a promising approach to tackling the zero-shot multi-label text classification (ZS-MTC) problem. Conventional methods aim to learn a matching model between text and labels, using a graph encoder to…

Computation and Language · Computer Science 2021-04-06 Hui Liu , Danqing Zhang , Bing Yin , Xiaodan Zhu

Classification and identification of the materials lying over or beneath the Earth's surface have long been a fundamental but challenging research topic in geoscience and remote sensing (RS) and have garnered a growing concern owing to the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Danfeng Hong , Lianru Gao , Naoto Yokoya , Jing Yao , Jocelyn Chanussot , Qian Du , Bing Zhang

With the advent of kernel methods, automating the task of specifying a suitable kernel has become increasingly important. In this context, the Multiple Kernel Learning (MKL) problem of finding a combination of pre-specified base kernels…

Machine Learning · Computer Science 2012-07-03 Abhishek Kumar , Alexandru Niculescu-Mizil , Koray Kavukcuoglu , Hal Daume

For a medical diagnosis, health professionals use different kinds of pathological ways to make a decision for medical reports in terms of patients medical condition. In the modern era, because of the advantage of computers and technologies,…

Machine Learning · Statistics 2021-06-08 Fahad B. Mostafa , Md Easin Hasan

Object detection and classification using video is necessary for intelligent planning and navigation on a mobile robot. However, current methods can be too slow or not sufficient for distinguishing multiple classes. Techniques that rely on…

Computer Vision and Pattern Recognition · Computer Science 2011-11-08 Colin S. Lea , Jason J. Corso

(abridged) We develop a tool for the automated spectral classification of OB stars according to their sub-types. We use the regular Random Forest (RF) algorithm, the Probabilistic RF (PRF), and we introduce the KDE-RF method which is a…

Solar and Stellar Astrophysics · Physics 2022-01-12 E. Kyritsis , G. Maravelias , A. Zezas , P. Bonfini , K. Kovlakas , P. Reig

When faced with learning challenging new tasks, humans often follow sequences of steps that allow them to incrementally build up the necessary skills for performing these new tasks. However, in machine learning, models are most often…

Artificial Intelligence · Computer Science 2021-06-09 Otilia Stretcu , Emmanouil Antonios Platanios , Tom M. Mitchell , Barnabás Póczos

The aim of this work is to propose a meta-algorithm for automatic classification in the presence of discrete binary classes. Classifier learning in the presence of overlapping class distributions is a challenging problem in machine…

Machine Learning · Statistics 2020-01-22 Vidhi Lalchand

Unlike the typical classification setting where each instance is associated with a single class, in multi-label learning each instance is associated with multiple classes simultaneously. Therefore the learning task in this setting is to…

Machine Learning · Computer Science 2022-11-30 Harris Papadopoulos

How to accurately classify and diagnose whether an individual has Coronary Stenosis (CS) without invasive physical examination? This problem has not been solved satisfactorily. To this end, the four machine learning (ML) algorithms, i.e.,…

Tissues and Organs · Quantitative Biology 2021-09-08 Weijun Zhu , Fengyuan Lu , Xiaoyu Yang , En Li

In supervised machine learning, use of correct labels is extremely important to ensure high accuracy. Unfortunately, most datasets contain corrupted labels. Machine learning models trained on such datasets do not generalize well. Thus,…

Machine Learning · Computer Science 2023-09-14 Chang Yue , Niraj K. Jha

An understanding and classification of driving scenarios are important for testing and development of autonomous driving functionalities. Machine learning models are useful for scenario classification but most of them assume that data…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Lakshman Balasubramanian , Friedrich Kruber , Michael Botsch , Ke Deng

The rapid increase in serendipitous X-ray source detections requires the development of novel approaches to efficiently explore the nature of X-ray sources. If even a fraction of these sources could be reliably classified, it would enable…

High Energy Astrophysical Phenomena · Physics 2023-07-24 Hui Yang , Jeremy Hare , Oleg Kargaltsev , Igor Volkov , Steven Chen , Blagoy Rangelov

Contemporary machine learning applications often involve classification tasks with many classes. Despite their extensive use, a precise understanding of the statistical properties and behavior of classification algorithms is still missing,…

Machine Learning · Computer Science 2020-11-17 Christos Thrampoulidis , Samet Oymak , Mahdi Soltanolkotabi