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Accurate weed mapping in cereal fields requires pixel-level segmentation from UAV imagery that remains reliable across fields, seasons, and illumination. Existing multispectral pipelines often depend on thresholded vegetation indices, which…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Haitian Wang , Xinyu Wang , Muhammad Ibrahim , Dustin Severtson , Ajmal Mian

We derive non-asymptotic spectral bands that bound the squared InfoNCE gradient norm via alignment, temperature, and batch spectrum, recovering the \(1/\tau^{2}\) law and closely tracking batch-mean gradients on synthetic data and ImageNet.…

Computation and Language · Computer Science 2025-10-08 Peter Ochieng

The purpose of this paper is to use absorbance data obtained by human tasting and an ultraviolet-visible (UV-Vis) scanning spectrophotometer to predict the attributes of grape juice (GJ) and to classify the wine's origin, respectively. The…

Machine Learning · Computer Science 2025-07-29 Jianping Yao , Son N. Tran , Hieu Nguyen , Samantha Sawyer , Rocco Longo

Protecting Vulnerable Road Users (VRU) is a critical safety challenge for automotive perception systems, particularly under visual ambiguity caused by metamerism, a phenomenon where distinct materials appear similar in RGB imagery. This…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jiarong Li , Imad Ali Shah , Diarmaid Geever , Fiachra Collins , Enda Ward , Martin Glavin , Edward Jones , Brian Deegan

Graph-based semi-supervised learning methods, which deal well with the situation of limited labeled data, have shown dominant performance in practical applications. However, the high dimensionality of hyperspectral images (HSI) makes it…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Yanling Miao , Qi Wang , Mulin Chen , Xuelong Li

Several methods to identify plants have been proposed by several researchers. Commonly, the methods did not capture color information, because color was not recognized as an important aspect to the identification. In this research, shape…

Computer Vision and Pattern Recognition · Computer Science 2014-01-20 Abdul Kadir , Lukito Edi Nugroho , Adhi Susanto , Paulus Insap Santosa

In the field of transmission electron microscopy, data interpretation often lags behind acquisition methods, as image processing methods often have to be manually tailored to individual datasets. Machine learning offers a promising approach…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 C. K. Groschner , Christina Choi , M. C. Scott

This study addresses the classification of defects in apples as a crucial measure to mitigate economic losses and optimize the food supply chain. An innovative approach is employed that integrates images from the visible spectrum and 660 nm…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Omar Coello , Moisés Coronel , Darío Carpio , Boris Vintimilla , Luis Chuquimarca

Accurate crop row detection is often challenged by the varying field conditions present in real-world arable fields. Traditional colour based segmentation is unable to cater for all such variations. The lack of comprehensive datasets in…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Rajitha de Silva , Grzegorz Cielniak , Junfeng Gao

Accurate and fast identification of seed cultivars is crucial to plant breeding, with accelerating breeding of new products and increasing its quality. In our study, the first attempt to design a high-accurate identification model of maize…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Xuan-Yu Wang , Wen-Xuan Liao , Dong An , Yao-Guang Wei

It is well known since 2010 that fullerene C60 is widespread through the interstellar space. Also, it is well known that graphene is a source material for synthesizing fullerene. Here, we simply assume the occurrence of graphene in space.…

Astrophysics of Galaxies · Physics 2020-08-03 Norio Ota , Aigen Li , Laszlo Nemes , Masaaki Otsuka

Belowground yield-forming organs of root and tuber crops are difficult to measure during growth, and management therefore relies on aboveground proxies and destructive sampling. Aboveground wireless links could provide a low-cost,…

Other Computer Science · Computer Science 2026-02-03 Mengning Li , Teng Fei , Wenye Wang

In (grapevine) breeding programs and research, periodic phenotyping and multi-year monitoring of different grapevine traits, like growth or yield, is needed especially in the field. This demand imply objective, precise and automated methods…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Jonatan Grimm , Katja Herzog , Florian Rist , Anna Kicherer , Reinhard Töpfer , Volker Steinhage

Hyperspectral bands offer rich spectral and spatial information; however, their high dimensionality poses challenges for efficient processing. Band selection (BS) methods aim to extract a smaller subset of bands to reduce spectral…

Image and Video Processing · Electrical Eng. & Systems 2025-09-29 Dibyabha Deb , Ujjwal Verma

Post-harvest fruit quality assessment is essential for reducing food waste, yet reliable non-destructive methods typically depend on expensive hyperspectral cameras and computationally intensive deep learning models. These systems typically…

Image and Video Processing · Electrical Eng. & Systems 2026-04-28 Phongsakon Mark Konrad , Casper Kunstmann-Olsen , Jacek Fiutowski , Serkan Ayvaz

The analysis of satellite imagery will prove a crucial tool in the pursuit of sustainable development. While Convolutional Neural Networks (CNNs) have made large gains in natural image analysis, their application to multi-spectral satellite…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Sagar Vaze , James Foley , Mohamed Seddiq , Alexey Unagaev , Natalia Efremova

Efficient crop-weed segmentation is critical for site-specific weed control in precision agriculture. Conventional CNN-based methods struggle to generalize and rely on RGB imagery, limiting performance under complex field conditions. To…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Zeynep Galymzhankyzy , Eric Martinson

Hyperspectral imaging has proven its efficiency for target detection applications but the acquisition mode and the data rate are major issues when dealing with real-time detection applications. It can be useful to use snapshot spectral…

Robots usually slow down for canning to detect objects while moving. Additionally, the robot's camera is configured with a low framerate to track the velocity of the detection algorithms. This would be constrained while executing tasks and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Sandro Costa Magalhães , Marco Almeida , Filipe Neves dos Santos , António Paulo Moreira , Jorge Dias

Clover fixates nitrogen from the atmosphere to the ground, making grass-clover mixtures highly desirable to reduce external nitrogen fertilization. Herbage containing clover additionally promotes higher food intake, resulting in higher milk…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Muhammad Zawish , Paul Albert , Flavio Esposito , Steven Davy , Lizy Abraham