User`s guide

2 Importing and Exporting Video

1 If the model you created in “Importing and Viewing Multimedia Files” on

page 2-25 is not open on your desktop, you can open an equivalent model

by typing

doc_export2

at the MATLAB command prompt.

2 Click-and-drag the following blocks into your model.

Block Library Quantity

To Multim

edia File

Video and

Image

Processi

ng Blockset >

Sinks

Gain Simulin

k>Math

Operati

ons

3 Use the

Gain blocks to increase the red, green, and blue values of the video

stream

. This increases the contrast of the v ideo. Set the block parameters

as foll

ows:

• Main pa

ne, Gain =

1.2

• Signal

data types pane, Output data type m od e =

Same as input

2-28