I added structural similarity index (SSIM) loss.

[hi-sushanta]

Hi Ivy, I added a loss function for working on the structural similarity index (SSIM) loss calculation. It's a most popular loss in computer vision tasks.

And that is what my code looks like:

Checklist

• Did you add a function?
• Did you add the tests?
• Did you run your tests and are your tests passing?
• Did pre-commit not fail on any check?
• Did you follow the steps we provided?

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[hi-sushanta]

Has anyone seen my code?

[hi-sushanta]

Does this project have maintainers to review contributor changes?

[hi-sushanta]

Hi 👋

[Ishticode]

Hi. Thanks for the PR and sorry for delays on our end.
Could you please add a test as any new function should have an accompanying test. Let me know if something is unclear. Thanks a lot for your patience. :)

[hi-sushanta]

Ok fine, I write testing code also.

[Sam-Armstrong]

Thanks for the contribution, apologies this took so long to review! I've made some fixes, will merge now.