Searching for image changes

Hello There!
With my Friend we would like to know if there is a possibility to use Elastic as a tool to find that images were changed. We would like to upload an image and check if it is an original picture or not.
For example:
We have a picture of me where someone (the bad guy :P) added a black hat. In this example we do not have an original picture of me (that without black hat).
Is it possible to do with Elastic?
What should we use? Elastic? Logstash? Kibana?


You could do this if you hashed the image file and then compared hashes, otherwise Elasticsearch doesn't really work with binary data like images.

So I need a hash of an original image, right?

Of the image you want to compare the changes to, yes.

Thanks @warkolm

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