Serguei Palto

Serguei Palto

Joined on Dec 7, 2012

Serguei Palto's recent activity

  • You can't get the same reliable effect from mutiple random shooting.  Accurate half-pixel shift is of principal significance. It gives true space-frequency band expansion. It is just Nyquist theorem.
  • Agree - SNR should be increased more than one stop.
  • You are perfectly correct! Danielvr is wrong.
  • Replied in Why not ..
    Are you so young..:)? I am impressed...!:) Can I open a secret for you?:) Do you know that before a signal is digitized by ADC the number of electrons is converted to a voltage that can be measured ...
  • Replied in Why not ..
    The dark noise can be not only of the pure thermal nature. At very low frequencies of time-domain signal there is so-called 1/f noise that is inversely proportional to the frequency f . It is also ...
  • Replied in Why not ..
    Of course, you are right. Sure, the circuity (converters, amplifyers, ADCs) makes an addititional contribution, and also wiring at sensor surface influences the effective area of photosites (In my ...
  • Replied in Why not ..
    Yes, this is well known. Why you leave this important subject?:) Are you sure? Are the units used to measure are so important? What about if a signal is measured in photons or in Joules? Do you ...
  • Replied in Why not ..
    Anders, you are right in case of the photon noise is dominating. But I am not speaking on situations when the photon noise is the limiting factor. The photon noise is not much interesting in case ...
  • Replied in Why not ..
    No. It would not be equal to m4/3. m4/3 would be one stop ahead if we are speaking on the same DOF and the same number of pixels per sensors area. Why? If the sensor area is increased 4 times then ...
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