Digital image

Parents : Image Processing

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A digital image can be defined as the image that contains finite values for x , y and amplitude i.e F(x,y) if the image represents a 2D function F(x,y). Digital image uses Digital signal wave format. Representation of digital image is done using intensity or grey level matrix.

Types of Digital Image

1. Binary Image
   1. One bit image.
   2. 2¹ = 2, Only two intensity values 0 and 1.
2. Gray Scale Image
   1. 8 bit image.
   2. 2⁸ = 256 , 0⇐intensity value⇐255 is used.

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