English
Related papers

Related papers: Non-Destructive Peat Analysis using Hyperspectral …

200 papers

Hyperspectral imaging (HSI) is widely applied in various industries, enabling detailed analysis of material properties or composition through their spectral signatures. However, for classification of construction and demolition waste (CDW)…

Optics · Physics 2025-07-15 Stanislav Vítek , Tomáš Zbíral , Václav Nežerka

This article proposes a generic framework to process jointly the spatial and spectral information of hyperspectral images. First, sub-images are extracted. Then each of these sub-images follows two parallel workflows, one dedicated to the…

Raman spectroscopy is a well established tool for the analysis of vibration spectra, which then allow for the determination of individual substances in a chemical sample, or for their phase transitions. In the…

Numerical Analysis · Mathematics 2020-07-15 Konstantin Fackeldey , Jonas Röhm , Amir Niknejad , Surahit Chewle , Marcus Weber

Dissolution testing is part of the target product quality that is essential in approving new products in the pharmaceutical industry. The prediction of the dissolution profile based on spectroscopic data is an alternative to the current…

Machine Learning · Computer Science 2022-10-20 Mohamed Azouz Mrad , Kristóf Csorba , Dorián László Galata , Zsombor Kristóf Nagy , Brigitta Nagy

Plant traits such as leaf carbon content and leaf mass are essential variables in the study of biodiversity and climate change. However, conventional field sampling cannot feasibly cover trait variation at ecologically meaningful spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Eya Cherif , Arthur Ouaknine , Luke A. Brown , Phuong D. Dao , Kyle R. Kovach , Bing Lu , Daniel Mederer , Hannes Feilhauer , Teja Kattenborn , David Rolnick

Hyperspectral images (HSIs) can distinguish materials with high number of spectral bands, which is widely adopted in remote sensing applications and benefits in high accuracy land cover classifications. However, HSIs processing are tangled…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Ringo S. W. Chu , Ho-Cheung Ng , Xiwei Wang , Wayne Luk

Hyperspectral imaging (HSI) allows researchers to study plant traits non-destructively. By capturing hundreds of narrow spectral bands per pixel, it reveals details about plant biochemistry and stress that standard cameras miss. However,…

Software Engineering · Computer Science 2026-04-15 Rishik Aggarwal , Krisha Joshi , Pappu Kumar Yadav , Jianwei Qin , Thomas F. Burks , Moon S. Kim

Photothermal-Induced Resonance (PTIR) spectroscopy and imaging with infrared light has seen increasing application in molecular spectroscopy of biological samples. The appeal of the technique lies in its capability to provide information…

Quantitative Methods · Quantitative Biology 2019-11-19 Luca Quaroni

We introduce an optimized physics-informed neural network (PINN) trained to solve the problem of identifying and characterizing a surface breaking crack in a metal plate. PINNs are neural networks that can combine data and physics in the…

Machine Learning · Computer Science 2020-05-09 Khemraj Shukla , Patricio Clark Di Leoni , James Blackshire , Daniel Sparkman , George Em Karniadakis

Fluorescent imaging plays a critical role in a myriad of scientific endeavors, particularly in the biological sciences. Three-dimensional imaging of fluorescent intensity often requires serial data acquisition, that is voxel-by-voxel…

Optics · Physics 2015-10-27 Jeffrey J. Field , David G. Winters , Randy A. Bartels

Hyperspectral imaging (HSI) has become a key technology for non-invasive quality evaluation in various fields, offering detailed insights through spatial and spectral data. Despite its efficacy, the complexity and high cost of HSI systems…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Md. Toukir Ahmed , Arthur Villordon , Mohammed Kamruzzaman

As the burden of herbicide resistance grows and the environmental costs of excessive herbicide use become clear, new approaches to managing weed populations are needed. This is particularly true for cereal crops, like wheat and barley, that…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Madeleine Darbyshire , Shaun Coutts , Eleanor Hammond , Fazilet Gokbudak , Cengiz Oztireli , Petra Bosilj , Junfeng Gao , Elizabeth Sklar , Simon Parsons

This paper presents an end-to-end, IoT-enabled robotic system for the non-destructive, real-time, and spatially-resolved mapping of grape yield and quality (Brix, Acidity) in vineyards. The system features a comprehensive analytical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Ciem Cornelissen , Sander De Coninck , Axel Willekens , Sam Leroux , Pieter Simoens

Hyperspectral imaging has been widely used for spectral and spatial identification of target molecules, yet often contaminated by sophisticated noise. Current denoising methods generally rely on independent and identically distributed noise…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Guangrui Ding , Chang Liu , Jiaze Yin , Xinyan Teng , Yuying Tan , Hongjian He , Haonan Lin , Lei Tian , Ji-Xin Cheng

Plant phenotyping refers to a quantitative description of the plants properties, however in image-based phenotyping analysis, our focus is primarily on the plants anatomical, ontogenetical and physiological properties.This technique…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Petros N. Tamvakis , Chairi Kiourt , Alexandra D. Solomou , George Ioannakis , Nestoras C. Tsirliganis

Machine learning feature importance calculations are used to determine the molecular substructures that are responsible for mid and far-infrared (IR) emission features of neutral polycyclic aromatic hydrocarbons (PAHs). Using the…

Astrophysics of Galaxies · Physics 2023-07-18 Zhisen Meng , Yong Zhang , Enwei Liang , Zhao Wang

Hyperspectral imaging (HSI) is a non-destructive and contactless technology that provides valuable information about the structure and composition of an object. It can capture detailed information about the chemical and physical properties…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Nooshin Noshiri , Michael A. Beck , Christopher P. Bidinosti , Christopher J. Henry

In this paper, we investigate estimating emergence and biomass traits from color images and elevation maps of wheat field plots. We employ a state-of-the-art deconvolutional network for segmentation and convolutional architectures, with…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Shubhra Aich , Anique Josuttes , Ilya Ovsyannikov , Keegan Strueby , Imran Ahmed , Hema Sudhakar Duddu , Curtis Pozniak , Steve Shirtliffe , Ian Stavness

In this paper, a recently developed snapshot hyperspectral imaging (HSI) system based on Computed Tomography Imaging Spectroscopy (CTIS) is utilized to determine Brix and pH values in Sheegene 20 table grapes through Partial Least Squares…

The spectral region around 10 micrometer, showing prominent dust emission bands, is commonly used to derive the chemical composition of protoplanetary dust. Different analysis methods have been proposed for this purpose, but so far, no…

Earth and Planetary Astrophysics · Physics 2014-11-18 Attila Juhasz , Thomas Henning , Jeroen Bouwman , Cornelis Dullemond , Ilaria Pascucci , Daniel Apai