CCD / CMOS Lock-In Pixel for Range Imaging : Challenges , Limitations and State-ofthe-Art

  title={CCD / CMOS Lock-In Pixel for Range Imaging : Challenges , Limitations and State-ofthe-Art},
  author={Bernhard B{\"u}ttgen and Thierry Oggier and Michael Lehmann and Rolf Kaufmann and Felix Lustenberger},
Smart lock-in pixels for real-time range imaging have been developed at CSEM during the last few years. These pixels, based on a combined CCD/CMOS process, are capable of demodulating intensity-modulated optical signals in parallel. By integrating some hundreds or thousands of them on one single chip, real-time 3D-imaging becomes possible by indirectly measuring the time-of-flight. The basic challenges and requirements of the pixels, making them usable for a wide range of 3D-applications, are… CONTINUE READING
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