Oversampled ITOF Imaging Techniques using SPAD-based Quanta Image Sensors
Neale A. W. Dutton, Luca Parmesan, Salvatore Gnecchi, István Gyöngy, Neil Calder, Bruce R. Rae, Lindsay A. Grant, Robert Henderson
Abstract
A time-gated global shutter SPAD-based QVGA image sensor is employed as a quanta image sensor (QIS). QIS behaviour is experimentally demonstrated. Real-time temporal oversampling of time-gated images is implemented, facilitating two-bin indirect time of flight (ITOF) imaging with and without background rejection achieving worst case 38mm RMS precision in 600mm dynamic range.
Topics & Concepts
Computer visionComputer scienceArtificial intelligenceDigital imagingImage sensorImage (mathematics)Image processingDigital imageAdvanced Optical Sensing TechnologiesAdvanced Fluorescence Microscopy TechniquesAnalytical Chemistry and Sensors