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ICC profiles ICC profiles are files containing color information such as color characteristics and color space for various devices, set by the ICC (International Color Consortium). Most devices such as the monitor we use to view images or the printer we use to print images can be managed (color management) using these ICC profiles and the color between different devices can be more closely matched. DPP has color management that uses these ICC profiles. Tone Curve A tone curve shows values before adjustment (input) as the horizontal axis on a graph, and the values after adjustment (output) as the vertical axis. Since the values of before adjustment and after adjustment are the same before any adjustment is made, the tone curve displays as a straight line from bottom left to top right, and by changing this tone curve, you can adjust in detail the image’s brightness, contrast and color. The more you go right on the horizontal axis, the more the plus value it becomes, the higher you go on the vertical axis, the plus value becomes. 12345Introduction Contents at a Glance Basic Operation Advanced Operation Advanced Image Editing and Printing EditingJPEG/TIFFImages Index Processing Large Numbersof Images Reference 145 Color space A color space is the reproducible color range (color gamut characteristics). DPP supports the following five kinds of color space. sRGB : Standard color space for Windows. Widely used for the standard color space of monitors, digital cameras, and scanners. Adobe RGB : A wider color space than sRGB. Mainly used for printing for business purposes. Apple RGB : Standard color space for Macintosh. A slightly wider color space than sRGB. ColorMatch RGB : A slightly wider color space than sRGB. Mainly used for printing for business purposes. Wide Gamut RGB : A wider color space than Adobe RGB. Refer to the color chart below for the color area of each color space. Color chart of color spaces compatible with DPP Color range that can be seen by the human eye Gamma value White point(color temp.) sRGB 2.2 6500K(D65) Adobe RGB 2.2 6500K(D65) Apple RGB 1.8 6500K(D65) ColorMatch 1.8 5000K(D50) Wide Gamut RGB 2.2 5000K(D50) CMYK simulation profiles A profile that simulates colors when printing in a CMYK environment (printing machine, etc. ). With DPP, you can simulate color with four types of profile. Euro Standard : Profile normally used for book printing in Europe, suitable for simulation of standard European printing. JMPA : Profile normally used for book printing, etc. in Japan, suitable for simulation of magazine advertising standard color printing. U.S.Web Coated : Profile normally used for book printing in North America, suitable for simulation of North American standard printing. JapanColor2001 type3 : Profile becoming a standard in the Japanese printing industry, suitable for simulation of JapanColor standard printing. Rendering intent Rendering intents are color conversion methods when printing an image. The conversion method of each rendering intent is shown Perceptual : Before and after conversion, all colors are converted to maintain the relationship between colors. Even where colors slightly change, you can print a natural-looking image which has maintained color harmony. However, depending on the image, the saturation may change overall. Relative Colorimetric : There will not be much conversion to colors which are similar before and after conversion, but colors which are not similar are converted appropriately. Because there are little changes to similar colors which comprise most of an image, you can print a natural-looking image in which the saturation has not changed greatly. However, depending on the image, there are cases where the overall tone of an image changes somewhat as colors which are not similar and highlights change. 12345Introduction Contents at a Glance Basic Operation Advanced Operation Advanced Image Editing and Printing EditingJPEG/TIFFImages Index Processing Large Numbersof Images Reference 146 Index A Adjust JPEG Images...... ........... ........... .......... ........... .......... ........... ... 105 Adjust RAW Images....... ........... ........... .......... ........... .......... ........... ..... 25 Adjust TIFF Images........ ........... ........... .......... ........... .......... ........... ... 105 Adjusting (JPEG or TIFF Image) Automatic Adjustment (Tone Curve Assist) ........ .......... ........... ... 106 Brightness ..... .......... ........... ........... .......... ........... .......... ........... ... 107 Click White Balance ........... ........... .......... ........... .......... ........... ... 108 Contrast......... .......... ........... ........... .......... ........... .......... ........... ... 107 Dynamic Range....... ........... ........... .......... ........... .......... ........... ... 111 Hue..... ........... .......... ........... ........... .......... ........... .......... ........... ... 109 RGB Tool Palette .... ........... ...........