Exponential Noise In Digital Image Processing (CSE)

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Exponential noise
The PDF of exponential niose is given by

                                     ….(1)
Where a > 0. The mean and variance of this density function are


                                                          …….(2)
and


                                                            …….(3)

Fig. Exponential Noice PDF

Note that this PDF is a special case of the Erland PDF, with b=1. Fig. shows a plot of this density function.

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