Advanced Digital Imaging Sensors for High-Speed Applications
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Explore the innovative capabilities of intelligent digital sensors in high-speed imaging, featuring adaptive imaging techniques, in-pixel intelligence, and high dynamic range. Learn about active pixel sensors, sparse readout, and advanced digital pixel features driving cutting-edge imaging technologies. Discover the concepts of threshold sensing, self-select readout, and extended dynamic range coding for various imaging applications. Join us for an insightful session on the future of digital pixel sensors in imaging advancements.
Advanced Digital Imaging Sensors for High-Speed Applications
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Presentation Transcript
Intelligent Digital Sensors Jamie Crooks
High speed region of interest [1st talk this session] High dynamic range, adaptive imaging [2nd talk this session] In-pixel “intelligence” Sparse readout ADC and storage in each pixel Threshold + functionality High frame rates Active Pixel Sensors: Challenges
Conventional APS pixel Sampling node Comparator (ADC) Digital memory Digital readout architecture A 10000 Frames/s CMOS Digital Pixel Sensor. Kleinfelder et al, Stanford University. IEEE JSSC Dec 2001. The digital pixel
Threshold sensing ”Hit” status / timing Self-select readout (sparsification at pixel level) Multiple registers Address ROM Image pre-processing Advanced digital pixel capabilities …intelligence…
Feasibility study: CFI grant (Centre-For-Instrumentation) RAL test structure for MI3 collaboration On-Pixel-Intelligent-CMOS (OPIC) 10mm BASICPIXELS ADVANCEDPIXELS ADVANCEDPIXELS 4mm
30um pixels (64x64 arrays) Full frame imaging (up to 10k frame/s) Sparse (threshold defined) frame imaging In-pixel 8-bit ADC + Threshold timing Extended dynamic range coding Optical imaging (~10% fill factor) Charged particle imaging applications Due back: July 2005! On-Pixel-Intelligent-CMOS (OPIC)
Example applications Pulsed laser imaging Collider detector physics Constraints 800Mb/sec max. output data rate Data acquisition, processing, and storage challenges! Acknowledgements MI3(Basic Technology),CFI,Stanford(CA) Conclusion