Comments (4)
Hi.
The evaluation metrics described in Cloud-net are calculated first over each test image. Then they are averaged over the total number of test images. Like this:
Jaccard of the first test image: Jaccard1 = tp1/(tp1+fp1+fn1)
Jaccard of the second test image: Jaccard2 = tp2/(tp2+fp2+fn2)
.
.
Total Jaccard = (Jaccard1+Jaccard2+...+JaccardM)/M
where M is the total num of images.
In Cloud-net+, tp, fp, fn, and tn are measured for each target class and then metrics are calculated as mentioned in the "evaluation metrics" section of the paper. Like this:
Total Jaccard = (tp1 + tp2+ ... + tpM)/((tp1 + tp2+ ... + tpM)+(fp1 + fp2+ ... + fpM)+(fn1 + fn2+ ... + fnM))
That is the same for other metrics too.
Cloud-Net+ code will be available soon.
from 38-cloud-a-cloud-segmentation-dataset.
from 38-cloud-a-cloud-segmentation-dataset.
from 38-cloud-a-cloud-segmentation-dataset.
There is no trick. The Matlab code provided here are only for the FCN and Cloud-Net papers. As I said before (here and in the papers), this code calculates metrics for each image and then averages those metrics over 20 scenes of 38-Cloud test set.
However, if you want to calculate metrics over each class, and not each image, (same as what've done in Cloud-Net+ paper), you need to write your own code to do so.
from 38-cloud-a-cloud-segmentation-dataset.
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from 38-cloud-a-cloud-segmentation-dataset.