On-line oil and foreign matter detection stystem and method employing hyperspectral imaging

A method for removing foreign matter from an agricultural product stream of a manufacturing process. The method includes conveying a product stream past an inspection station; scanning a region of the agricultural product stream as it passes the inspection station using at least one light source of...

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Bibliographische Detailangaben
Hauptverfasser:	Deevi Seetharama C, Henry Samuel Timothy, Dante Henry M
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CIGARETTES CIGARS COLORIMETRY COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING HANDLING RECORD CARRIERS HUMAN NECESSITIES IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PERFORMING OPERATIONS PHYSICS POSTAL SORTING PRESENTATION OF DATA RADIATION PYROMETRY RECOGNITION OF DATA RECORD CARRIERS SEPARATING SOLIDS FROM SOLIDS SMOKERS' REQUISITES SNUFF SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TESTING TOBACCO TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for removing foreign matter from an agricultural product stream of a manufacturing process. The method includes conveying a product stream past an inspection station; scanning a region of the agricultural product stream as it passes the inspection station using at least one light source of a single or different wavelengths; generating hyperspectral images from the scanned region; determining a spectral fingerprint for the agricultural product stream from the hyperspectral images; comparing the spectral fingerprint obtained in step (c) to a spectral fingerprint database containing a plurality of fingerprints using a computer processor to determine whether foreign matter is present and, if present, generating a signal in response thereto; and removing a portion of the conveyed product stream in response to the signal. A system for detecting foreign matter within a agricultural product stream is also provided.