and white Proprietary format of Adobe Photoshop good for any types of digital

And white proprietary format of adobe photoshop good

This preview shows page 18 - 31 out of 40 pages.

and white Proprietary format of Adobe Photoshop good for any types of digital images that Photoshop supports stores layers supports alpha Channel Lossless compression
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Common File Types of Vector Graphics 19 File Type File Suffix Information and Use Encapsulated PostScript .eps Standard file format for storing and exchanging files in professional printing Adobe Illustrator file .ai Adobe Flash file .fla .swf Windows Metafile format .wmf Many cliparts from Microsoft Office are in this format Enhanced Metafile format .emf Developed by Microsoft as a successor to .wmf
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Photographs for archival storage or later editing: PNG, second choice high quality JPEG. Photographs to serve on the web: medium quality JPEG, second choice low quality JPEG. Graphics and drawings on the web: GIF, PNG Documents to OCR: GIF, 300dpi for large clean type, 600dpi for better accuracy. Clean black and white documents as archive copy: GIF, scan at least 600dpi. Colored documents to archive appearance: PNG, scan at least 300dpi. 20
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Color Models Used to describe colors numerically, usually in terms of varying amounts of primary colors. Common color models: RGB CMYK HSB CIE and their variants. 21
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RGB Color Model Primary colors: red green blue Additive Color System: things that emit light, especially monitors, projectors (RGB) 22
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Additive Color System 23
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Additive Color System of RGB 24 Full intensities of red + green + blue = white Full intensities of red + green = yellow Full intensities of green + blue = cyan Full intensities of red + blue = magenta Zero intensities of red , green , and blue = black Same intensities of red , green , and blue = some kind of gray
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RGB Color Model depicted graphically as a cube defined by three axes in 3-D space The maximum value on each axis is normalized to 1. 25
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CMYK Color Model Primary colors: cyan magenta yellow black Subtractive Color System 26
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Subtractive Color System of CMY 27
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Subtractive Color System of CMY 28 Full intensities of cyan + magenta + yellow = black (theoretically, but in practice with inks, it is not full black) Full intensities of cyan + magenta = blue Full intensities of cyan + yellow = green Full intensities of magenta + yellow = red Zero intensities of cyan , magenta , and yellow = white
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HSB Color Model Hue: basic color 0 o to 360 o : the location on a color wheel in the order of colors in a rainbow Saturation: purity of the color how far away from the neutral gray of the same brightness Brightness 29
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HSB Color Model 30
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  • RGB color model, Color space

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