A device may receive spectroscopic data associated with a dynamic process. The device may identify a pseudo steady state end point based on the spectroscopic data. The pseudo steady state end point may indicate an end of a pseudo steady state associated with the dynamic process. The device may identify a reference block and a test block based on the pseudo steady state end point, and may generate a raw detection signal associated with the reference block and a raw detection signal associated with the test block. The device may generate an averaged statistical detection signal based on the raw detection signal associated with the reference block and the raw detection signal associated with the test block, and may determine whether the dynamic process has reached a steady state based on the averaged statistical detection signal.

Disclosed is a method for extracting net signal of near infrared spectrum and a system thereof, and relates to the technical field of near infrared spectrum. The method comprises the following steps: collecting a sample to obtain the original data of the near infrared spectrum of the sample; detecting the content of the analyte of interest by using a chemical detection method as a response variable; applying different spectral pre-processing methods and the combination of different spectral pre-processing methods to the original spectral data, and the optimal pre-processing scheme is found by using the ten-fold cross test, and selecting the wave band related to the response variables by using a Least Absolute Shrinkage and Selection Operator (LASSO) algorithm.

A system and a method for calculating and assigning one or more indicative properties (e.g., cetane number, pour point, cloud point, aniline point) of a fraction of an oil sample based on an index calculated and assigned based on near infrared spectroscopy data of the sample.

The invention principally relates to a method of detecting a disease agent in blood, comprising: (i) creating a sample infra-red spectrum representative of the blood, with one or more spectral components, each having a wavenumber and absorbance value; (ii) providing a reference database of spectral models, each model having one or more database spectral components of a wavenumber and an absorbance value, wherein the database spectral components identify disease agents; (iii) determining whether one or more database spectral components corresponds to one or more sample spectral components; and (iv) compiling a list of corresponding database components identified.

According to an exemplary embodiment of the present disclosure, apparatus and method can be provided for generating information for at least one structure. For example, using at least one first arrangement, it is possible to receive at least one first radiation from the at least one structure and at least one second radiation from a reference, and interfere the first and second radiations to generate at least one third radiation. Further, with at least one second arrangement, it is possible to generate spectroscopic data as a function of the at least one third radiation, and reduce at least one scattering effect in the spectroscopic data to generate the information. In addition or as an alternative, according to a further exemplary embodiment of the present disclosure, it is possible to classify a type of the structure based on the spectroscopic data to generate the information.

A method for the quality control of dairy products is disclosed. The method includes scanning the surface of a dairy product test sample using a chromatic scanner system to generate a spectral pattern of reflected light intensities, which pattern is unique to the test sample. The spectral pattern from the test sample is compared with spectral patterns from one or more reference dairy products to provide an indication of test sample identify, quality and/or nutritional content.

The present invention relates generally to a slope spectroscopy standards and methods of making slope spectroscopy standards, specifically standards and methods of developing standards specifically for variable pathlength (slope) measurements.

It is possible to more appropriately perform fluorescence separation. An information processing apparatus according to an embodiment includes: a fluorescence signal acquisition unit (112) that acquires a plurality of fluorescence spectra corresponding to each of a plurality of excitation lights having different wavelengths and irradiated to a fluorescence stained specimen (30), the fluorescence stained specimen (30) being created by staining a specimen (20) with a fluorescence reagent (10); a link unit (131) that generates a linked fluorescence spectrum by linking at least parts of the plurality of fluorescence spectra to each other in a wavelength direction; a separation unit (132) that separates the linked fluorescence spectrum into spectra for every fluorescent substance using a reference spectrum including a linked autofluorescence reference spectrum in which spectra of autofluorescent substances in the specimen are linked to each other in the wavelength direction and a linked fluorescence reference spectrum in which spectra of fluorescent substances in the fluorescence stained specimen are linked to each other in the wavelength direction; and an extraction unit (132) that updates the linked autofluorescence reference spectrum using the spectra for every fluorescent substance separated by the separation unit.

A calibration data acquisition unit (a) acquires Q optical spectra, S evaluation spectra, and a reference spectrum of a target component, (b) extracts R subsets from a set of the optical spectra, (c) performs independent component analysis in which component amounts are treated as independent components on each subset so as to acquire component natural spectra and component calibration spectra, (d) obtains an inner product value between the component calibration spectrum and the evaluation spectrum, (e) obtains a correlation degree between a component amount for the target component and the inner product value with respect to each component calibration spectrum, (f) obtains a similarity between each component natural spectrum and a reference spectrum, (g) selects a component calibration spectrum causing a comprehensive evaluation value based on the correlation degree and the similarity to be greatest as the target component calibration spectrum, and (h) creates a calibration curve.

A method for measuring a property of radiation from different sources such as moving particles or different spatial locations on each particle includes providing a spatial modulator common to all of the sources having a sequence of configurations, each of which configurations causes the radiation flux to pass along paths to respective modulation ports and cycling the common spatial modulator past each of the modulation ports so that the sequence of configurations is applied to each modulation port. The sequence of configurations comprises an ordered array of optical elements on a substrate. In one embodiment, the modulator is arranged in a circle around an axis of rotation of a rotating singulation disk. At least one source is a reference source which has not interacted with the source to be analyzed and the sample and reference sources are compared.