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Clustering is a class of unsupervised learning methods that has been extensively applied and studied in computer vision. Little work has been done to adapt it to the end-to-end training of visual features on large scale datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Mathilde Caron , Piotr Bojanowski , Armand Joulin , Matthijs Douze

Polarization of the mammalian embryo at the right developmental time is critical for its development to term and would be valuable in assessing the potential of human embryos. However, tracking polarization requires invasive fluorescence…

Quantitative Methods · Quantitative Biology 2021-11-10 Cheng Shen , Adiyant Lamba , Meng Zhu , Ray Zhang , Changhuei Yang , Magdalena Zernicka Goetz

We present a method for estimating detailed scene illumination using human faces in a single image. In contrast to previous works that estimate lighting in terms of low-order basis functions or distant point lights, our technique estimates…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Renjiao Yi , Chenyang Zhu , Ping Tan , Stephen Lin

Deep learning algorithms offer a powerful means to automatically analyze the content of medical images. However, many biological samples of interest are primarily transparent to visible light and contain features that are difficult to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Roarke Horstmeyer , Richard Y. Chen , Barbara Kappes , Benjamin Judkewitz

As digital medical imaging becomes more prevalent and archives increase in size, representation learning exposes an interesting opportunity for enhanced medical decision support systems. On the other hand, medical imaging data is often…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Eduardo Pinho , Carlos Costa

The UAV technology is gradually maturing and can provide extremely powerful support for smart agriculture and precise monitoring. Currently, there is no dataset related to green walnuts in the field of agricultural computer vision. Thus, in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Mingjie Wu , Chenggui Yang , Huihua Wang , Chen Xue , Yibo Wang , Haoyu Wang , Yansong Wang , Can Peng , Yuqi Han , Ruoyu Li , Lijun Yun , Zaiqing Chen , Yuelong Xia

The automatic classification of X-ray detections is a necessary step in extracting astrophysical information from compiled catalogs of astrophysical sources. Classification is useful for the study of individual objects, statistics for…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 Víctor Samuel Pérez-Díaz , Juan Rafael Martínez-Galarza , Alexander Caicedo , Raffaele D'Abrusco

The paper presents a reliable method using deep learning to recognize solar filaments in H-alpha full-disk solar images automatically. This method cannot only identify filaments accurately but also minimize the effects of noise points of…

Instrumentation and Methods for Astrophysics · Physics 2019-09-17 GaoFei Zhu , GangHua Lin , DongGuang Wang , Suo Liu , Xiao Yang

In visual recognition tasks, such as image classification, unsupervised learning exploits cheap unlabeled data and can help to solve these tasks more efficiently. We show that the recursive autoconvolution operator, adopted from physics,…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Boris Knyazev , Erhardt Barth , Thomas Martinetz

Unsupervised machine learning is a cornerstone of artificial intelligence as it provides algorithms capable of learning tasks, such as classification of data, without explicit human assistance. We present an unsupervised deep learning…

Disordered Systems and Neural Networks · Physics 2020-03-23 Oleksandr Balabanov , Mats Granath

The growth of weeds poses a significant challenge to agricultural productivity, necessitating efficient and accurate weed detection and management strategies. The combination of multispectral imaging and drone technology has emerged as a…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Drishti Goel , Bhavya Kapur , Prem Prakash Vuppuluri

In this paper, we show that paint markings are a feasible approach to automatize the analysis of behavioral assays involving honey bees in the field where marking has to be as lightweight as possible. We contribute a novel dataset for bees…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Luke Meyers , Josué Rodríguez Cordero , Carlos Corrada Bravo , Fanfan Noel , José Agosto-Rivera , Tugrul Giray , Rémi Mégret

In this article, we propose an automatic method for the segmentation of pollen grains from microscope images, followed by the automatic segmentation of their exine. The objective of exine segmentation is to separate the pollen grain in two…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 François Chung , Tomás Rodríguez

Plant breeding programs extensively monitor the evolution of seed kernels for seed certification, wherein lies the need to appropriately label the seed kernels by type and quality. However, the breeding environments are large where the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Venkat Margapuri , Niketa Penumajji , Mitchell Neilsen

Crops for food, feed, fiber, and fuel are key natural resources for our society. Monitoring plants and measuring their traits is an important task in agriculture often referred to as plant phenotyping. Traditionally, this task is done…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Gianmarco Roggiolani , Federico Magistri , Tiziano Guadagnino , Jens Behley , Cyrill Stachniss

Classification will be an important first step for upcoming surveys that will detect billions of new sources such as LSST and Euclid, as well as DESI, 4MOST and MOONS. The application of traditional methods of model fitting and…

Astrophysics of Galaxies · Physics 2020-01-29 Crispin Logan , Sotiria Fotopoulou

Hyperspectral images capture vast amounts of high-dimensional spectral information about a scene, making labeling an intensive task that is resistant to out-of-the-box statistical methods. Unsupervised learning of clusters allows for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Joshua Lentz , Nicholas Karris , Alex Cloninger , James M. Murphy

Unmanned aerial vehicles (UAV) are used in precision agriculture (PA) to enable aerial monitoring of farmlands. Intelligent methods are required to pinpoint weed infestations and make optimal choice of pesticide. UAV can fly a multispectral…

Image and Video Processing · Electrical Eng. & Systems 2019-05-28 Hamideh Kerdegari , Manzoor Razaak , Vasileios Argyriou , Paolo Remagnino

Polarized light microscopy provides high contrast to birefringent specimen and is widely used as a diagnostic tool in pathology. However, polarization microscopy systems typically operate by analyzing images collected from two or more light…

Hierarchical image recognition seeks to predict class labels along a semantic taxonomy, from broad categories to specific ones, typically under the tidy assumption that every training image is fully annotated along its taxonomy path.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Seulki Park , Zilin Wang , Stella X. Yu