Digital tal Integ tegratio ation n Se Sensor r (DIS) S) - - PowerPoint PPT Presentation

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digital tal integ tegratio ation n se sensor r dis s
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Digital tal Integ tegratio ation n Se Sensor r (DIS) S) - - PowerPoint PPT Presentation

Feb 27, 2023 244 likes •301 views

Digital tal Integ tegratio ation n Se Sensor r (DIS) S) Signal charge Final digital value Analog Signal . . . ADC Processing (a) SOA CMOS APS Signal charge Digital memory block Final digital value Analog Signal . . . ADC

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SLIDE 1

Digital tal Integ tegratio ation n Se Sensor r (DIS) S)

Analog Signal Processing ADC . . . Final digital value Signal charge Analog Signal Processing ADC Final digital value . . . (a) SOA CMOS APS (b) DIS Digital integration Digital memory block . . . Signal charge

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SLIDE 2

T T1 T2 T3 T4

DIS S as HDR Image e Se Sensor

Signal charge

NFW Nread_noise Nread_noise

Light intensity

SOA CMOS APS DIS max min F F

𝑜

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SLIDE 3

DIS S as HDR Image e Se Sensor

  • Canon EOS 60D DSLR
  • Using just 8 bits of digital output

per frame

  • Sum 16 frames
  • Achieve over 88 dB DR

SNR vs. light intensity for 16 varying integration-time case Light intensity (normalized) SNR /dB

slide-4
SLIDE 4

“Quantized” DIS (qDIS IS)

Probab abili lity ty