Related by context. Frequent words. (Click for all words.) 60 optical coherence tomography 59 optical coherence tomography OCT 55 near infrared NIR 53 near infrared spectroscopy 53 interferometric 53 retinal imaging 53 wavefront 52 intravascular ultrasound 51 imager 51 stereotactic 51 collimator 51 photometer 51 Doppler ultrasound 51 Tomography 50 doppler 50 Radiographic 49 SQUID 49 tomography 48 confocal microscopy 48 CCD camera 48 imaging 48 colorimeter 47 radar altimeter 47 ultrasound imaging 47 imaging MRI 46 SPECT CT 46 synthetic aperture radar 46 laser scanner 46 multispectral 45 monocular 45 infrared imaging 45 sagittal 45 SpO2 45 noninvasively 45 radiometer 44 InSAR 44 Imager 44 spectrophotometer 44 Volumetric 44 echocardiographic 44 infra red 43 Lidar 43 Ultrasound 43 electroencephalography 43 ultrasonic waves 43 mammographic 43 Thermal imaging 43 ESO Very Large Telescope 43 ASTER 43 interferometry 43 interferometers 43 infrared 42 spectroscopy 42 spatial resolution 42 Impedance 42 photometry 42 TerraSAR X 42 ultrasonography 42 nerve conduction 42 Infrared 41 Thermal Imaging 41 echocardiography 41 VLBI 41 electrophoretic 41 parallax 41 EEGs 41 Radiometer 41 Perfusion 41 interferometer 41 LIDAR 41 panoramic camera 41 absorbance 41 fluoroscopy 41 spectrometer 40 electrocardiographic 40 RSSI 40 fluorescence 40 MR imaging 40 photometric 40 linearization 40 oximetry 39 microwave radiation 39 laser scanning 39 electrocardiography 39 infrared camera 39 ultrasound 39 opto electronic 39 atmospheric turbulence 39 Imaging Spectroradiometer MODIS 39 electroencephalogram EEG 39 Doppler 39 infrared imagery 39 lidar 38 Angiography 38 ionisation 38 infrared cameras 38 sonography 38 sonographic 38 infrared beam 38 laser rangefinder 38 kinematic