Memory

7.1 Introduction Noise : degradation in img signal, caused by external disturbance Depending on Type of disturbance → Type of errors on output img → Type of noise on img → Choose appropriate method(Image Restoration) for reducing each type of noise ! 7.2 Types of noise 1) Salt and pepper noise (1) Salt and pepper noise = Impulse noise, shot noise, binary noise - caused by sharped, sudden disturb..

6.1 Introduction 1) Spatial Filtering Spatial Filtering : applying a function to a neighborhood of each pixel ① Move a 'mask' : a rectangle (usually with sides of odd length) or other shape over given img ② Create a new img whose pixels have grey values calculated from grey values under the mask 2) Linear Filter Filter : Combination of Mask and Function Linear Filter : Combination of Mask and Li..