Debug reverse image search and improve its quality

[aguschin]

Plan:

• [ ] Measure the search quality for real life photos
• [ ] Debug search
• [ ] Find a way to improve its quality and measure the improvement

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Reverse image search fails to find right artworks, as illustrated by the screenshots:

Sanity check:

[aguschin]

For now we're collecting 100 real images. After we do that, we can measure the quality of the search and improve it.

But 100 images isn't enough, so we have 3 options then:

1. calculate confidence interval of the quality - maybe it's already ok to have 100 images
2. collect more manually
3. collect more automatically
4. generate synthetic images. In this case we can use synthetic images as a test set to improve our method, and use 100 real to double-check that.