diffuse reflectance spectroscopy
Depth resolved diffuse reflectance spectroscopy
... In Chapter 4, we looked at the effect of probe geometry and optical properties on sampling depth for diffuse reflectance spectroscopy. Monte Carlo simulation was used to model sampling depth this ...
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Instrument Independent Diffuse Reflectance Spectroscopy
... Fiber-optic-based diffuse reflectance spectroscopy (DRS) is a nondestructive technique that is sensitive to tissue physiologi- cal and morphological ...Quantitative diffuse reflectance ...
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Raman spectroscopy and diffuse reflectance spectroscopy for diagnosis of human cancer and acanthosis nigricans
... Raman spectroscopy and diffuse reflectance spectroscopy as analytical optical spectroscopic methods for early diagnosis of ...Raman spectroscopy can be used to measure changes in the ...
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Pancreatic tumor margin detection by oblique incidence diffuse reflectance spectroscopy
... Keywords: diffuse reflectance, scattering, spectroscopy, ...incidence diffuse reflectance spectroscopy (OIDRS) is a spectroscopic method, which utilizes a fiber optic sensor ...
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Rapid estimation of Brilliant Blue concentrations in soil by diffuse reflectance spectroscopy
... Brilliant Blue is often used to trace water movement in soils. Its concentration in soil samples is usually determined by extraction – a laborious procedure with varying accuracy. We show that Brilliant Blue can be ...
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Detection of canine skin and subcutaneous tumors by visible and near-infrared diffuse reflectance spectroscopy
... Keywords: diffuse reflectance spectroscopy; veterinary oncology; diagnosis; skin and subcutaneous tumors. Paper 140786R received Nov. 28, 2014; accepted for publication Feb. 12, 2015; published ...
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Using Visible and Near Infrared Diffuse Reflectance Spectroscopy to Characterize and Classify Soil Profiles
... Visible and near infrared diffuse reflectance spectroscopy (VisNIR-DRS) is a method being investigated for quantifying soil properties and mapping soil profiles. Because a VisNIR-DRS system mounted ...
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In situ characterization of soil properties using visible near-infrared diffuse reflectance spectroscopy
... near-infrared diffuse reflectance spectroscopy (VNIR-DRS) might be a possible tool to use in such studies because the scanning is rapid, costs are fixed, and it has proven useful in plant analysis ...
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White-light oblique-incidence diffuse reflectance spectroscopy for classification of in-vivo pigmented skin lesions
... A study of in-vivo classification of pigmented skin lesions using oblique-incidence diffuse reflectance spectroscopy is presented. Spatio-spectral data in the wavelength range from 455 to 765 nm are ...
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Dependency measures for assessing the covariation of spectrally active and inactive soil properties in diffuse reflectance spectroscopy
... Using Diffuse Reflectance Spectroscopy Table 2 lists the regression statistics for the predic- tion of soil properties of both Vertisols and Alfisols us- ing the FD-PLSR approach with an optimum ...
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Comparison of data mining approaches for estimating soil nutrient contents using diffuse reflectance spectroscopy
... decades, diffuse reflectance spectroscopy (DRS) over visible to near- and shortwave-infrared (VNIR) region is being developed as an alternative for rapid and non-invasive characterization of ...
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DISCRIMINATION OF TRANSGENIC COTTON SEED USING VISIBLE AND NEAR- INFRARED DIFFUSE REFLECTANCE SPECTROSCOPY (NIRS)
... National Seed Project, Seed Unit, University of Agricultural Sciences, Dharwad-580 005, Karnataka Received on 30 th March, 2010, Revised on 18 th Aug., 2010 SUMMARY Visible/near-infrared (Vis/NIR) diffuse ...
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Towards the use of diffuse reflectance spectroscopy for real time in vivo detection of breast cancer during surgery
... Background: Breast cancer surgeons struggle with differentiating healthy tissue from cancer at the resection margin during surgery. We report on the feasibility of using diffuse reflectance ...
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Diffuse Reflectance Spectroscopy to Quantify In Vivo Tissue Optical Properties: Applications in Human Epithelium and Subcutaneous Murine Colon Cancer
... regimens. Diffuse reflectance spectroscopy has been suggested as a candidate to optically monitor a patient’s early response to therapy and has been received favorably in experimentally managing ...
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Fluorescence and Diffuse Reflectance Spectroscopy and Endoscopy for Tissue Analysis
... hyperspectral reflectance laparoscope (chapter 6) was similar in its concept to the previous setup, yet different in its ...implementation. Reflectance signal levels being significantly higher than the ...
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Diffuse reflectance spectroscopy as a tool to evaluate liver tissue
... We would also like to thank our co-supervisors Professor Stefan Andersson-Engels and Johan Axelsson whom both have given us great insight and clarity to problems that arose during the project. Furthermore a declaration ...
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Skin cancer detection by oblique-incidence diffuse reflectance spectroscopy
... The Monte Carlo technique is very useful for simulating light propagation in tissue. Based on random movement, a large number of photon packets are traced yielding an accurate model of photon transport. A grid system can ...
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Variable indicators for optimum wavelength selection in diffuse reflectance spectroscopy of soils
... reflectance spectroscopy (DRS) operating in 350–2500 nm wavelength range is fast emerging as a rapid and non-invasive technique for analyzing multiple soil ...
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Estimating soil organic carbon in agricultural gypsiferous soils by diffuse reflectance spectroscopy
... high reflectance with slight differences between the three layers considered, these soils are considered as severely ...regarding reflectance features were ...
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Visible near-infrared diffuse reflectance spectroscopy and portable X-ray fluorescence spectroscopy for rapid compost analysis
... DRS spectroscopy to quantify compost OM content under varying sample moisture states and to further ascertain which spectral processing and moisture contents show the most promise for future ...
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