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Indirect time-of-flight measurement with SPADs is performed by counting incident photons in several time windows. Since SPADs exhibit dead time not all incident photons can be counted within a given time window. This affects the expected values and, hence, the variance of the distance measurement. For photon detection rates close to the inverse of the dead time, which defines the maximum count rate...
In this paper we present a newly developed linear CMOS high-speed line-scanning sensor realized in a 0.35μm CMOS OPTO process for line-scan with 200kHz true RGB and 600kHz monochrome line rate, respectively. In total, 60 lines are integrated in the sensor allowing for electronic position adjustment. The lines are read out in rolling shutter manner. The high readout speed is achieved by a column-wise...
A method for rotation and scale-invariant texture segmentation is proposed, which can also be employed for object recognition based on pattern analysis in noisy images. The segmentation scheme is based on a supervised rotation and scale-invariant texture recognition using multi-channel polar logarithmic Gabor filters for feature extraction. The polar logarithmic arrangement works like a Fourier-Mellin...
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