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Image Processing

Image processing is fun! Usually computers can't understand images as well as we do, but they are getting close. What is an image? A computer thinks an image is a 2-Dimensional array of picture elements (pixels). Each pixel can be a color, a gray value, or a binary image (like those used in our thermal printer tutorial). In a binary image each pixel is just a one or a zero, black or white, on or off. In a gray scale image each pixel is a number indicating the distance to black or white, commonly 0 is black and 255 is white. A full color image is usually understood in terms of it's color channels: red, green, and blue or hue, saturation, and brightness. Why is color 3D? Remember a gray scale image just needed one number to represent it, but a color typically requires three. Why?! Check out some nice java-based image-processing tutorials at image processing basics.
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Put images onto your circuit boards with eagle silkscreen footprint library....
Mixing pixels from two face images together....
Print bitmaps, cellular automata, drawings and text.....
Servo motor, JPEG camera, and Arduino Leonardo combine to make a panoramic camera....
Arduino-powered spherical camera with 2 Servo Motors and an SD Card....
Use the Joy Gamer to make a dynamic picture frame....
An open source bitmap converter program built with Open Frameworks...
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