Online high-speed NIR diffuse-reflectance imaging spectroscopy in food quality monitoring

2009 ◽  
Author(s):  
Richard D. Driver ◽  
Kevin Didona
Keyword(s):  
Food Quality ◽  
High Speed ◽  
Diffuse Reflectance ◽  
Imaging Spectroscopy ◽  
Quality Monitoring ◽  
Reflectance Imaging Spectroscopy ◽  
Diffuse Reflectance Imaging

Standoff chemical imaging finds evidence for Jackson Pollock's selective use of alkyd and oil binding media in a famous ‘drip’ painting

2017 ◽  
Vol 9 (1) ◽  
pp. 28-37 ◽  
Author(s):  
Kathryn A. Dooley ◽  
James Coddington ◽  
Jay Krueger ◽  
Damon M. Conover ◽  
Murray Loew ◽  
...  
Keyword(s):  
Diffuse Reflectance ◽  
Near Infrared ◽  
Imaging Spectroscopy ◽  
Chemical Imaging ◽  
Binding Media ◽  
Reflectance Imaging Spectroscopy ◽  
Oil Paints ◽  
Diffuse Reflectance Imaging ◽  
Oil Binding

Near-infrared diffuse reflectance imaging spectroscopy (NIR-RIS, 1000 to 2500 nm) was used to map the use of alkyd and oil paints in Jackson Pollock'sNumber 1, 1950(Lavender Mist), one of his most important ‘drip’ or ‘poured’ paintings.

scholarly journals A Preliminary Study on the Differentiation of Linseed and Poppy Oil Using Principal Component Analysis Methods Applied to Fiber Optics Reflectance Spectroscopy and Diffuse Reflectance Imaging Spectroscopy

Sensors ◽  
2020 ◽  
Vol 20 (24) ◽  
pp. 7125
Author(s):  
Silvia Rita Amato ◽  
Aviva Burnstock ◽  
Anne Michelin
Keyword(s):  
Diffuse Reflectance ◽  
Linseed Oil ◽  
Imaging Spectroscopy ◽  
Reflectance Spectroscopy ◽  
Organic Analysis ◽  
Invasive Approach ◽  
Drying Oils ◽  
Non Invasive ◽  
Reflectance Imaging Spectroscopy ◽  
Diffuse Reflectance Imaging

This paper presents results from the examination of a set of experimental samples using fibre optic reflectance spectroscopy (FORS) and diffuse reflectance imaging spectroscopy in the short-wave infrared (SWIR) range, combined with statistical analysis of the data for the discrimination and mapping of poppy and linseed oil. The aim was to evaluate the efficacy of this non-invasive approach for the study of paint samples with a view to the application of the method for characterisation of the two drying oils in painted art. The approach allowed discrimination between the two drying oils based on FORS spectra and the hyperspectral cube, indicating the influence of the spectral region around 1700 nm on the statistical discrimination based on the anti-symmetric and symmetric first overtone stretching of methylenic CH2 groups. This method is being studied as a potential non-invasive method of organic analysis of oil types that have formerly been studied using gas chromatography-mass spectrometry (GC-MS), which requires micro-samples.

Fourier Transform Infrared Spectrophotometer for Transmittance and Diffuse Reflectance Measurements

1976 ◽  
Vol 30 (6) ◽  
pp. 593-601 ◽  
Author(s):  
R. R. Willey
Keyword(s):  
Fourier Transform ◽  
High Speed ◽  
Diffuse Reflectance ◽  
Storage System ◽  
Fourier Transform Infrared ◽  
Single Beam ◽  
Double Beam ◽  
New Instrument ◽  
Measurement Mode ◽  
Infrared Spectrophotometer

This paper describes a new Fourier transform infrared spectrophotometer with the capability to measure diffuse reflectance (DR) from 5000 to 500 cm−1 (2 to 20 µm) in addition to the normal transmittance measurements. The instrument has a true simultaneous double beam measurement mode and a high speed single beam mode. The system also takes advantage of many data manipulation and display features due to the built-in computer and 2.5 million word storage system. One of the objectives of this work was to produce a practical instrument which includes the DR capability; another was to introduce the qualitative and quantitative measurements of DR in the infrared to the analytical community. DR has been commonly available in the visible and near ir spectrum, but until this new instrument, has not been available in the ir. A brief survey of the background and history of DR and emittance measurements in the ir is given. The design details and operation of the instrument are generally examined. Brief examples are provided for a few transmittance, trace analysis, and microsampling applications, and a variety of DR results are shown. The addition of diffuse reflectance as a tool in the infrared opens new avenues for investigation and application in many fields.

Laser beam welding quality monitoring system based in high-speed (10 kHz) uncooled MWIR imaging sensors

2015 ◽  
Author(s):  
Rodrigo Linares ◽  
German Vergara ◽  
Raúl Gutiérrez ◽  
Carlos Fernández ◽  
Víctor Villamayor ◽  
...  
Keyword(s):  
Laser Beam ◽  
Monitoring System ◽  
High Speed ◽  
Laser Beam Welding ◽  
Quality Monitoring ◽  
Welding Quality ◽  
Imaging Sensors

A Passive Radio-Frequency pH-Sensing Tag for Wireless Food-Quality Monitoring

2012 ◽  
Vol 12 (3) ◽  
pp. 487-495 ◽  
Author(s):  
Wen-Ding Huang ◽  
Sanchali Deb ◽  
Young-Sik Seo ◽  
Smitha Rao ◽  
Mu Chiao ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Food Quality ◽  
Quality Monitoring ◽  
Ph Sensing

Lateral resolution and imaging depth of shifted position-diffuse reflectance imaging

2021 ◽  
Author(s):  
Moritz Spath ◽  
Martin Hohmann ◽  
Florian Stelzle ◽  
Florian Klampfl
Keyword(s):  
Diffuse Reflectance ◽  
Lateral Resolution ◽  
Imaging Depth ◽  
Diffuse Reflectance Imaging

Near Infrared Reflectance Imaging Spectroscopy to Map Paint Binders In Situ on Illuminated Manuscripts

2012 ◽  
Vol 51 (23) ◽  
pp. 5607-5610 ◽  
Author(s):  
Paola Ricciardi ◽  
John K. Delaney ◽  
Michelle Facini ◽  
Jason G. Zeibel ◽  
Marcello Picollo ◽  
...  
Keyword(s):  
Near Infrared ◽  
Imaging Spectroscopy ◽  
Illuminated Manuscripts ◽  
Infrared Reflectance ◽  
Near Infrared Reflectance ◽  
Reflectance Imaging Spectroscopy ◽  
Paint Binders
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