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The panchromatic and multispectral (PMS) sensor is an optical imaging sensor aboard the Gao Fen-1 (GF-1) satellite. This work describes an approach to validate the calibration coefficients of the PMS sensors based on the image data of the Landsat 8 Operational Land Imager (OLI). Two image pairs, one obtained over the Dunhuang test site and the other over(More)
Speech is the vocalized form of human communication. The variations in speech occurred due to vocal tract vibration. The main aim of speech analysis is to derive time varying characteristics from speech. The three features are considered for analysis namely energy, pitch, and formant frequency. It is observed that variations in speech in same and different(More)
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