Step 5: Running the Tool and Checking Execution Time

Once your tool parameters are set, run your tool and, if desired, check the execution time on your computer.

In the tool window:

Click on the Read, Detect, Results or Execute button (depending on the library function), to run the tool on the selected image.

Check the results on the image and in the Results field or area as illustrated below.

Example of results after reading a QRCode

If you do not have the expected results:

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Try to change your parameters (start with default values then change one parameter at a time).

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If you image is not good enough, try to enhance it as described in .

Check the execution time in the execution time bar at the bottom left of the main Open eVision Studio window.

The execution time

The execution time is the actual time that the processing took as measured on your computer. It depends your computer processor, memory, operating system... and, of course, on the processor load at the time of execution. Thus this execution time slightly varies from execution to execution.

To get a more representative execution time, click on the Read, Detect, Results or Execute button several times and calculate the mean execution time.

If your application requires that you reduce the execution time, try:

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To change the tool parameters,

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To add one or several ROIs on your image,

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To enhance your image.

The next step is Step 6: Using the Generated Code.