Vision Color Threshold
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This block is currently a beta version. If you are using this block, we would appreciate any feedback at tech@quanser.com. |
Detects the specified color blobs.
Library
MATLAB Command Line
Click to copy the following command line to the clipboard. Then paste it in the MATLAB Command Window:
qc_open_library('quarc_library_beta/Image Processing/Open Source Computer Vision')Description
The Vision Color Threshold block segments color blobs from an input image according to the specified color thresholds.
In order to use this block, be sure to follow the instructions described on the Vision Capture Image page, and take careful note of the limitations.
Input Ports
image
A handle to an image that uses OpenCV (Open Source Computer Vision) IplImage structure.
Output Ports
color_blobs
Color image of the detected blobs.
binary_blobs
Binary image of the detected blobs.
err
This signal is negative in case of error.
Parameters and Dialog Box
Threshold values for blue channel
Specify lower limit and higher limit of blue color index.
Threshold values for green channel
Specify lower limit and higher limit of green color index.
Threshold values for red channel
Specify lower limit and higher limit of red color index.
Sample time
The sample time of the block. A sample time of 0 indicates that the block will be treated as a continuous time block. A positive sample time indicates that the block is a discrete time block with the given sample time. A sample time of -1 indicates that the block inherits its sample time.
Targets
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Target Name |
Compatible* |
Model Referencing |
Comments |
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No |
No |
Not supported. |
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No |
No |
Not supported. |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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No |
No |
Not supported. |
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Rapid Simulation (RSIM) Target |
No |
No |
Not supported. |
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S-Function Target |
No |
N/A |
Old technology. Use model referencing instead. |
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Normal simulation |
Yes |
Yes |
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