python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - isolation-forest

Why is the score_samples-function of the IsolationForest algorithm in Scikit-Learn giving identical scores?

I'm trying to use the IsolationForest algorithm in scikit-learn, and I'm interested in the computed score. But when calling score_samples() I don't get the scores I expect. Here is a plot of my data: ...
test-img

afd

python

scikit-learn

scoring

anomaly-detection

isolation-forest

Votes: 0

Answers: 1

Latest Answer

I belive this issue is caused by your anomaly samples are outside of the data distribution of the training data. In this region there will be no splits in the trees, so you just end up with "maxi...
test-img

Jon Nordby

Can Isolation Forest be used to detect colored anomalies in images?

I am a bit confused about how isolation forest might work on images. My problem is the following: I have lots of images and on some of them there is a colored dot-ish anomaly somewhere. I would like t...
test-img

Alias

object-detection

anomaly-detection

isolation-forest

Votes: 0

Answers: 0

Posts

Questions

Blogs

Jobs