MATLAB VIDEO AND IMAGE PROCESSING BLOCKSET 3 Guia do Utilizador descarregar pdf (Página 199)

Image Enhancement

6 UsetheImageDataTypeConversionblock to convert the data type of the

video to singl e- precision f loating point. Accept the d ef au l t param eter.

7 Use the Video Viewer block to view the original video. Accept the defa ult

parameters.

8 Use the Add block to add the noise video to the original video. Accept the

default parameters.

9 Use the Video Viewer1 block to view the noisy video. Accept the default

parameters.

10 Define the filter coefficients in the MATLAB workspace. Type the following

code a t the M ATLAB command prompt:

vipdh_stripes

The variable h , as well as several others, are loaded into the MATLAB

workspace. The variable

h represents the coefficients of the band reject

filter capable of removing normalized f requencies between 0.61 π and 0.69π

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MATLAB VIDEO AND IMAGE PROCESSING BLOCKSET 3 Guia do Utilizador Página 199