Narrow Band ImagingUltraviolet TherapyNoiseEndoscopySpectrum AnalysisPrecancerous ConditionsAcoustic StimulationHarmful Algal BloomRemote Sensing TechnologyOptical ImagingSpectrum Analysis, RamanOxyhemoglobinsEquipment Failure AnalysisDiagnostic ImagingEndoscopesMicroscopy, Fluorescence, MultiphotonGanodermaSpectroscopy, Near-InfraredLaryngeal MucosaPlant WeedsEquipment DesignElectromagnetic Radiation