TOP SECRET Konica-Minolta camera project LEAK. a STUNNER

Discussion in 'Minolta' started by Alan Browne, Apr 30, 2004.

  1. Alan Browne

    Bill Hilton Guest

    "Only from the mind of Minolta" I guess, since a RAW file from my 11 Mpixel
    Canon 1Ds is only 8 - 11 MBytes.
     
    Bill Hilton, May 1, 2004
    #21
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  2. Alan Browne

    Alan Browne Guest

    Then my understanding of RAW is way off. I would assume 3 channels at
    12 bits per channel * 8 Mpix/ 8 = 36 MB.

    Cheers,
    Alan
     
    Alan Browne, May 1, 2004
    #22
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  3. Alan Browne

    Bill Hilton Guest

    From: Alan Browne
    Your math is correct for an uncompressed 8 Mpixel tiff file (though it would be
    stored as 48 MBytes due to the way 10, 12 and 14 bit/channel tiffs are stored),
    but RAW is just the base sensor data and it's also (losslessly) compressed so
    it's much smaller. The files expand during the RAW -> Tiff conversion.

    You can post on the digital NG and ask a guy named Preddy to explain the pros
    and cons of Bayer interpolation if you want to learn more :)

    Bill
     
    Bill Hilton, May 1, 2004
    #23
  4. Alan Browne

    Alan Browne Guest

    Thks for the clarification. I assumed it was not compressed (losslessly
    or otherwise).
    In a past life I spent a lot of time doing bandwidth optimization for in
    flight data recorders and playback via RS-232 to the minicomputer on
    which we criunched the data... very 'tailored' bit assignements resulted
    in about a 25% 'reduction' in xmitted record sizes. Due to the very
    simple processor in the recorder, a more ambitious lossless compression
    could not be attempted. I'm surprised that TIFF doesn't have header
    tags to define pixel BW allowing more efficient packing of the the data...
    Preddy wastes enough bandwidth already.
     
    Alan Browne, May 1, 2004
    #24
  5. Alan Browne

    ThomasH Guest

    It say more actually:

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    Technical Information (for support personnel)

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    A stunning camera!
     
    ThomasH, May 3, 2004
    #25
  6. Alan Browne

    Alan Browne Guest


    I took down the phot after the fun of the joke was over...
     
    Alan Browne, May 3, 2004
    #26
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