Method of characterizing spectrometer instruments and providing calibration models to compensate for instrument variation

   
   

Spectrometer instruments are characterized by classifying their spectra into previously defined clusters. The spectra are mapped to the clusters and a classification is made based on similarity of extracted spectral features to one of the previously defined clusters. Calibration models for each cluster are provided to compensate for instrumental variation. Calibration models are provided either by transferring a master calibration to slave calibrations or by calculating a separate calibration for each cluster. A simplified method of calibration transfer maps clusters to each other, so that a calibration transferred between clusters models only the difference between the two clusters, substantially reducing the complexity of the model.

Los instrumentos del espectrómetro son caracterizados clasificando sus espectros en racimos previamente definidos. Los espectros traz a los racimos y se hace una clasificación basado en la semejanza de características espectrales extraídas a uno de los racimos previamente definidos. Los modelos de la calibración para cada racimo se proporcionan para compensar para la variación instrumental. Los modelos de la calibración son proporcionados transfiriendo una calibración principal a las calibraciones auxiliares o calculando una calibración separada para cada racimo. Un método simplificado de transferencia de la calibración traz racimos el uno al otro, de modo que una calibración transferida entre los racimos modele solamente la diferencia entre los dos racimos, reduciendo substancialmente la complejidad del modelo.

 
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