Transcription of Digital image processing
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Digital image processing
BEC007- Digital image ProcessingUNIT I Digital image FUNDAMENTAL Elements of Digital image processing systems Elements of Visual perception image sampling and quantization Matrix and Singular Value representation of discrete is a Digital image ? A Digital imageis a representation of a two-dimensional image as a finite set of Digital values, called picture elements or Pixel values typically represent gray levels, colours, heights, opacities etc Rememberdigitizationimplies that a Digital image is an approximationof a real scene1 image formats include:1 sample per point (B&W or Grayscale)3 samples per point (Red, Green, and Blue)4 samples per point (Red, Green, Blue, and Alpha , Opacity)For most of this course we will focus on grey-scale imagesWhat is Digital image processing ? Digital image processing focuses on two major tasks Improvement of pictorial information for human interpretation processing of image data for storage, transmission and representation for autonomous machine perception Some argument about where image processing ends and fields such as image analysis and computer vision continuum from image processing to computer vision can be broken up into low-, mid-and high-level processesHistory of Digital Ima
Components of an Image Processing System 2. Specialized Image Processing Hardware Usually consists of the digitizer, mentioned before, plus hardware that performs other primitive operations, such as an arithmetic logic unit (ALU), which performs arithmetic and logical operations in parallel on entire images.
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