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Digital Image Processing (CS/ECE 545) Introduction to ...

Digital Image Processing (CS/ECE 545) Lecture 1: Introduction to Image Processing and ImageJProf Emmanuel AguComputer Science Polytechnic Institute (WPI)What is an Image ? 2 dimensional matrix of Intensity (gray or color) valuesSet of Intensity valuesImage coordinatesare integersExample of Digital Imagesa)Natural landscapeb)Synthetically generated scenec)Poster graphicd)Computer screenshote)Black and white illustrationf)Barcodeg)Fingerprinth)X rayi)Microscope slidej)Satellite Imagek)Radar imagel)Astronomical objectImaging SystemCredits: Gonzales and WoodsExample: a cameraConverts light to imageDigital Image ? Remember: digitizationcauses a Digital Image to become an approximationof a real scene1 pixelImages taken from Gonzalez & Woods, Digital Image Processing (2002)Real imageDigital Image (an approximation)Real imageDigital Image (an approximation) Digital Image Common Image formats include: 1 values per point/pixel (B&W or Grayscale) 3 values per point/pixel (Red, Green, and Blue) 4 values per point/pixel (Red, Green, Blue, + Alpha or Opacity) We will start with gray scale images, extend to color laterGrayscaleRGBRGBAWhat is Image Processing ?

Digital Image Processing: An Algorithmic Introduction using Java by Wilhelm Burger and Mark J. Burge, Springer Verlag, 2008 ... X‐rays and Computed tomography Positron emission tomography (gamma rays)

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  Introduction, Image, Processing, Digital, Tomography, Digital image processing, Computed, Cs ece, Computed tomography

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