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| Here are some video processing demos for V.I.P.Scilab . Demo1 Temporal differencing Demo2 Background Subtraction Demo3 Detecting the moving maritime objects Demo1 Temporal differencing

Step 1

Open the AVI file, for example, runner.avi, and then click the ｀temporal differencing' button for temporal differencing. Then you can see a dialogue as following:

Step 2

Choose a proper ｀aviframe', input both the interval frames and threshold. If all the parameters are set, then you can see the temporal differencing result by clicling the 'confirm' button.

Step 3

Try to detect the border of the forground objects by clicking the ｀border' button:

Click 'OK' to apply ｀border' to the ｀avifame'.

Step 4

At last, click the ｀avisave' button to choose the range of the video frames to be saved and set the scale and rate.

Then click 'OK' to apply both the ｀temporal differencing' and ｀border' with the appropriate parameters to all the ranged video frames and to save the result to the specific path.

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Demo2 Background Subtraction

Step 1

Open the AVI file, for example, runner.avi, and then click the ｀background subtraction' button, for background subtraction. Then you can see a dialogue as following:

Step 2

Choose a proper background by ｀choosebg' button, so it is the aviframe. Input the proper threshold. If all the parameters are set, then you can see the background subtraction result by clicking the 'confirm' button.

Step 3

Try to remove those noises caused by the swaying trees by erosion:

Here the left image is the result of the background subtraction while the right image is the result of the erosion.

Click 'OK' to apply ｀erode' to the ｀avifame'.

Step 4

It's the same with step 4 in Demo 1.

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Demo3 Detecting the moving maritime objects

Step 1

Open the AVI file, for example, ship.avi, and then click the ｀Demo' button for detecting the moving maritime objects. Then you can see a dialogue as following:

Step 2

It's the same with step 4 in Demo 1.

You can refer to details in the developer's guide.

Step 3

Click ｀playing' button to see the result.

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