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Vegetation detection

Z

zhangzz

Messages
151
Country
china
屏幕截图_26-12-2024_21256_.jpeg
hi Does the image have to have an infrared channel for vegetation detection in this way?
 
No, you can do it with 3 bands as well with this filter.
 
arno said:
不，您也可以使用此过滤器使用 3 个频段来实现。
Click to expand...
hi aron 我只是使用了一个三通道的 TIFF 文件来使用这种方法进行植被检测，但是当涉及到 SVM 步骤时，图像变黑，输出也是黑色的，这是为什么呢？
 
Did you add sample points that specify which cluster areas are vegetation and which are not?
 
arno said:
Did you add sample points that specify which cluster areas are vegetation and which are not?
Click to expand...
2024-12-27 08-51-20-61.png

Yes I specified it, but it's still black. Is there no setting somewhere? I adjusted the parameters according to the manual.
 
The background color of the SVM step is light red/pink. That means you have modifed data and did not train the step afterwards. So you first need to press the Train ML button to train the algorithm.
 
arno said:
The background color of the SVM step is light red/pink. That means you have modifed data and did not train the step afterwards. So you first need to press the Train ML button to train the algorithm.
Click to expand...
thanks arno! it works
 
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