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  2. ICtCp - Wikipedia

    en.wikipedia.org/wiki/ICtCp

    The preceder to IC T C P, Ebner & Fairchild IPT color appearance model (1998), has a mostly similar transformation pipeline of input → LMS → nonlinearity → IPT. [3] [9] The differences are that it defines its input to the more general CIEXYZ tristimulus color space and as a result has a more conventional Hunt-Pointer-Estevez (for D65) matrix for LMS.

  3. Color appearance model - Wikipedia

    en.wikipedia.org/wiki/Color_appearance_model

    The IPT color appearance model excels at providing a formulation for hue where a constant hue value equals a constant perceived hue independent of the values of lightness and chroma (which is the general ideal for any color appearance model, but hard to achieve). It is therefore well-suited for gamut mapping implementations.

  4. LMS color space - Wikipedia

    en.wikipedia.org/wiki/LMS_color_space

    The original CIECAM97s color appearance model uses the Bradford transformation matrix (M BFD) (as does the LLAB color appearance model). [3] This is a “spectrally sharpened” transformation matrix (i.e. the L and M cone response curves are narrower and more distinct from each other).

  5. List of color spaces and their uses - Wikipedia

    en.wikipedia.org/wiki/List_of_color_spaces_and...

    A range of increasingly complex color appearance models appeared to model the behavior of human vision under different viewing conditions, but ended up less used due to the added inputs required and overall algorithmic complexity. In addition, the performance of the 1976 color spaces under different viewing conditions is not their only problem.

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    A teenage hunter allegedly shot dead his parents and younger brother before taking his own life in a horrifying murder-suicide. Clifford Hunt Jr., 19, is believed to have shot parents Michelle, 48 ...

  7. White Portland cement - Wikipedia

    en.wikipedia.org/wiki/White_Portland_cement

    It requires a much lower content in colored impurities in the raw materials (essentially limestone and clay) used to produce clinker: low levels of Cr 2 O 3, Mn 2 O 3, and Fe 2 O 3), but above all, a higher temperature is needed for the final sintering step in the cement kiln (1600 to 1700 °C in place of 1450 °C for ordinary Portland cement ...

  8. A pink powder is being used to fight California fires. It's ...

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    The exact formula of Phos-Chek is not public knowledge but the company has said in previous filings that the product is 80% water, 14% fertiliser-type salts, 6% colouring agents and corrosion ...

  9. Bride and Groom Can't Agree on Wedding Plans So They've ... - AOL

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    A Reddit user said her sister-in-law and future brother-in-law are planning "his and hers" weddings — and expect their family members to attend both

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