MATLAB VIDEO AND IMAGE PROCESSING BLOCKSET 3 Guide de l'utilisateur Page 58

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2 Importing and Exporting Video
You have now added descriptive text to a video stream. For more information,
see the Insert Text block reference page in the Video and Image Processing
Blockset Reference.
Saving Portions of an AVI File to Separate Files
In th is section, y ou use To M ultimedia File and Enab led S ub s ystem blocks to
save portions of one AVI file to three separate AVI files.
1 Create a new Simulink model, and add to it the blocks shown in the
following table.
Block Library Quantity
From Multi media File Video and Image Processing
Blockset > Sources
1
Insert Text
VideoandImageProcessing
Blockset > Text & G raphics
1
Enabled Subsystem Simulink > Ports & S ubsystems
3
To Multimedia File Video a nd Image Processing
Blockset > Sinks
3
Counter Signal Processing Blockset >
Signal Ma nagement > Swi tches
and Counters
1
CompareToConstant Simulink > Logic and Bit
Operations
5
Logical Operator Simulink > Logic and Bit
Operations
1
Stop Sim ulation Simulink > Sinks
1
2 Place the blocks so that your model looks similar to the one in the following
figure.
2-18
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