CCD vs CMOS: Smear

Image Sensors World        Go to the original article...

Adimec publishes a nice demo of smear in CCDs and virtual absence of it in CMOS sensors. The smear manifests itself in:
  • Contrast reduction of the image
  • Questionable patterns depending on image contents
  • Higher noise level in the dark areas of the image
  • The three effects above combined: degradation of DRI (detection, recognition, identification)
  • For color: a shift of white balance, depending on the smear level

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