[scikit-image] Fwd: SSIM with tolerances

Stefan van der Walt stefanv at berkeley.edu
Mon Apr 3 16:03:53 EDT 2017


Hi Mat



On Mon, Apr 3, 2017, at 12:51, mat saunders wrote:

> Thank you for feedback I will look at it more closely and see what I
> can come up with. I did not know about the matplotlib comparison so I
> will see what they do. I did come across this the other day and
> wondered about down scaling.
> http://tech.jetsetter.com/2017/03/21/duplicate-image-detection/


I suspect this mechanism is too crude for what you want---videos often
have small codec artifacts, and you want to be insensitive to those.
E.g., you may not care much about introducing blocking / smudging, but
very much about color changes.  Or, since you are working with video,
perhaps you only care about key-frames, or only about sliding window
(over time) averages.


Feel free to give me a call sometime if you want to brainstorm ideas.



Best regards

Stéfan


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