'Decrease red' diaporamas de présentation

Manipulating Pictures, Arrays, and Loops part 1

Manipulating Pictures, Arrays, and Loops part 1. Digital Pictures. Represented by pixels With a red, green, and blue value stored for each pixel Stored in .jpg (JPEG) files International standard With lossy compression Lossy means not all data is stored

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CS 101: Introduction to Computing

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CS1315: Introduction to Media Computation

CS1315: Introduction to Media Computation. Using Loops for Pictures. Use a loop! Our first picture recipe. def decreaseRed(picture): for p in getPixels (picture): value= getRed (p) setRed (p,value*0.5). Used like this: >>> file="/Users/guzdial/mediasources/katie.jpg"

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