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Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization
book

Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

by Alejandro Terrazas, John Ostuni, Michael Barlow
November 2002
Intermediate to advanced content levelIntermediate to advanced
848 pages
19h 59m
English
Sams
Content preview from Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

Pixel Storage and Conversion

Each location in an Image is associated with a single pixel, but a pixel isn't the smallest unit of interest. Each pixel contains one or more samples representing the different bands in the Image. For example, pixels representing a color image could have samples of red, green, blue or alpha, red, green, blue, where alpha is a measure of transparency not a color component. Similarly, pixels representing a grayscale image might only contain one sample. Another thing that must be considered is output devices. A pixel may represent bands of red, green, and blue, but an output device, such as a printer, might expect bands of cyan, magenta, and yellow. So when working with image data, two required steps are:

1.
Extract ...
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Publisher Resources

ISBN: 0672320940Purchase book