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On this page you will see how to write your own image processing application for iam camera and stream the result over iAMGigEServer to a host system.
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The iam linux system contains build tools therefore it is possible to compile native on the camera. More Details can be found here Pre-Installed Open Source Libraries |
The application is skedded up shown in the diagram below.
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Video:
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Getting started with iam application development
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See all Video Tutorial Session .
Example Repositories
Small and simple example applications:
Example Name | Compiling | Discription | Repository |
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sw_remap_synview | nativ/cross | The example remap_synview uses the function cv::remap from OpenCV. After processing the image is sent out via GigE Server. | |
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sw_remap_boxfilter_synview | nativ/cross | The example sw_remap_boxfilter_synview uses the cv::remap and cv::boxfilter function from OpenCV. It demonstrates the execution of multiple sw- and hw-functions in different processing threads. The connection between the threads is established with two image-buffers. One is written, the other is read and vice versa. After processing the image is sent out via GigE Server. | |
sw_scaler_synview | nativ/cross | The main processing consists of a simple c-code scaler for horizontal and vertical rescaling. After processing the image is sent out via GigE Server. |
The Git repository for the presented example application: bitbucket.org/net-gmbh/opencv_dice/
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How to build your own smart application
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Edit Source Code
Adapt two functions of app.h class
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GigeEventCallback: Defines the behavior of iAMGigEServeriAMGigEServercomands.NewBufferCallback: Defines the video processing
Note: Is renamed toprocessFramein newer versions of code
Note:
GigeEventCallbackis renamed tosmartFeatureCallbackin newer versions of code.Note:
NewBufferCallbackis renamed toprocessFramein newer versions of code.
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Edit XML -
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Define a new GenICam Feature
Example An example XML can be found here: https: //bitbucket.org/net-gmbh/opencv_dice/src/master/smartDices/smartDices.xml
Add new feature to CustomControl cathegory, e.g. WhiteBalanceAuto:
Define new feature values:
Define new register address:
Implement processing inside
void appClass:: SmartFeatureCallback ( … )(aliasGigeEventCallback)
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callback. Code
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snippet can be found
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in the Info
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toolbox at bottom left of
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SynView Explorer.
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