BP Opencv tutorial
Build Demo project
1. git clone project
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2. Install plugin
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3. Generate project
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4. Build project
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Then you can try it.
How to read example
Our example is porting from opencv website
We use blueprint to implement same function.
Introduction
For use this plugin, You may want to do image processing or want to draw geometric figures.
First you will need to create an image (CvMat).
There are several methods you can try.
1. Read from texture
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You can read from unreal texture2D then use function "UpdateTextureToCvMat" to convert texture to opencv mat.
2. Create Blank image
Use Cv Zeros use 0 to fill image
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Use Cv Ones use 1 to fill image
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Then you can show image to mesh or canvas.
Show CvMat in mesh
Video demo
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Blueprint:
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Show CvMat in canvas
Blueprint:
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Final we use smoothing example to finish tutorial.
Initalize from texture
Origin example is read the image from file.
we change it read from texture.
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Show original image
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blur
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GaussianBlur
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bilateralFilter
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you can reference all example from opencv website
https://docs.opencv.org/master/d7/da8/tutorial_table_of_content_imgproc.html
We implement all example of opencv imgproc.