The process of converting continuous analog signals into digital formats. Sampling digitizes spatial coordinates, while quantization digitizes intensity values. Fundamental Steps in Digital Image Processing Image Acquisition: Capturing the image.
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Common noise types discussed in Jayaraman's curriculum include: Gaussian (electronic amplifier noise) Rayleigh (range imaging) Gamma and Exponential (laser imaging) Impulse / Salt-and-Pepper (faulty sensors) Restoration Techniques The process of converting continuous analog signals into
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: Median filters, highly effective at removing impulse ("salt-and-pepper") noise without blurring sharp edges.