Narrow Band ImagingUltraviolet TherapyNoiseEndoscopySpectrum AnalysisPrecancerous ConditionsAcoustic StimulationHarmful Algal BloomRemote Sensing TechnologyOptical ImagingEquipment Failure AnalysisOxyhemoglobinsDiagnostic ImagingEndoscopesMicroscopy, Fluorescence, MultiphotonGanodermaSpectrum Analysis, RamanLaryngeal MucosaPlant WeedsSpectroscopy, Near-InfraredEquipment DesignElectromagnetic Radiation