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alexgkendall / SegNet-Tutorial

Files for a tutorial to train SegNet for road scenes using the CamVid dataset
http://mi.eng.cam.ac.uk/projects/segnet/tutorial.html
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Calculating Accuracy for SegNet #50

Closed Almo1982 closed 7 years ago

Almo1982 commented 7 years ago

Hi all,

i trained a couple of SegNet Nets so far, everything works fine testing my models with the test_segmentation.py file that shows me the results visually. I am wondering how i can calculate the Global, Class an Mean I/U accuracy values like shown in the table of the results in the tutorial? I know the formula for this with the TP, TN, FP and FN meanings, but do i have to write a script by myself or is there anything coming with SegNet i didnt recognize so far?

Thank you! Stefan

alexgkendall commented 7 years ago

Hey Stefan,

When writing the SegNet papers I was using the matlab script here: https://github.com/alexgkendall/SegNet-Tutorial/blob/master/Scripts/compute_test_results.m

However a direct evaluation in python would make more sense!

Alex

Almo1982 commented 7 years ago

Hi Alex,

thank you for your Feedback!

Yes, in the meantime i realized this matlab-script and i was already able to run it with my own predictions of a custom dataset.

I will close this issue then.

Thanks! Stefan

ArunJ1 commented 5 years ago

Hi Alex,

thank you for your Feedback!

Yes, in the meantime i realized this matlab-script and i was already able to run it with my own predictions of a custom dataset.

I will close this issue then.

Thanks! Stefan

Can you pls provide the Python code???

Alice-kenan commented 5 years ago

hey I trained segnet on camvid dataset, and got the acc by Scripts/compute_test_results.m. The global acc is great(>0.9), but the other acc is too low( about 0.15), I don't know the reason about it, Can you help me? thanks.