Reference Output Medium Metric,, ROMM

Discussion in 'Darkroom Developing and Printing' started by Dale, Feb 25, 2014.

  1. Dale

    Dale Guest

    http://en.wikipedia.org/wiki/Adobe_rgb
    http://en.wikipedia.org/wiki/Wide_Gamut_RGB_color_space
    http://en.wikipedia.org/wiki/ProPhoto_RGB

    okay, it looks like there is some progress in ProPhotoRGB film space as
    a ROMM, instead of a smaller CMYK ideal print space of the past

    but it looks like LCD and manycolored printing and some cameras may
    exceed the gamut of ProPhoto RGB yet, I don't know about digital
    projectors but would expect that too

    ProPhotoRGB (film) probably is good enough, but I suspect a direction
    will be taken for a ROMM other than film to accommodate the gamuts
    mentioned in the future

    what probably is the elegant solution is to allow the professional user
    a choice in ROMM for his use case of viewing and measuring, etc.

    what a ROMM offers over the eye space is a standard appearance model
    that let's ICC to enter the realm of appearance over just color
    http://en.wikipedia.org/wiki/CIECAM

    but as as ROMM reaches the gamut of the eye, 100% of colors, you might
    question whether not to just use the eye (absolute colorimetry)

    I think the elegant ROMM should exceed the eye though, just as you would
    use 16 bit encoding editing, you might want more color space in color
    editing to allow less artifacts

    a larger than eye color appearance or viewing condition would have to
    evolve, like LCD, if you want relative colorimetry (appearance) to your
    use case
     
    Dale, Feb 25, 2014
    #1
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