113
edits
Logo Annotation Guidelines: Difference between revisions
m
no edit summary
Raphael0202 (talk | contribs) No edit summary |
Raphael0202 (talk | contribs) mNo edit summary |
||
| Line 6: | Line 6: | ||
The goal of the annotation is to provide ground-truth labels that will be used to predict the label of unseen logos. | The goal of the annotation is to provide ground-truth labels that will be used to predict the label of unseen logos. | ||
'''It is extremely important to provide quality annotations, otherwise the predictions won't be qualitative'''. | '''It is extremely important to provide quality annotations, otherwise, the predictions won't be qualitative'''. | ||
If you're not sure of how you should annotate a logo, ask on | If you're not sure of how you should annotate a logo, ask on Slack, in the #ai-logo-detection channel. | ||
== How to? == | == How to? == | ||
| Line 17: | Line 17: | ||
3. Fill ''value'' and ''type'' corresponding to the selected logos. Be sure to '''check that the ''value'' and ''type'' are correct before submitting the annotation''' : | 3. Fill ''value'' and ''type'' corresponding to the selected logos. Be sure to '''check that the ''value'' and ''type'' are correct before submitting the annotation''' : | ||
* The ''value'' field should only be completed for "brand" and "label" types. | * The ''value'' field should only be completed for "brand" and "label" types. | ||
* The value should match one item in the associated taxonomy, otherwise it won't be used for prediction. The field value is | * The value should match one item in the associated taxonomy, otherwise it won't be used for prediction. The field value is lowercase before saving the annotation. | ||
* Use ''QR code'' type for QR codes, ''Packager code'' for packager codes (code surrounded by a circle), ''Brand'' for brand logos and ''Label'' for label logos. | * Use ''QR code'' type for QR codes, ''Packager code'' for packager codes (code surrounded by a circle), ''Brand'' for brand logos, and ''Label'' for label logos. | ||
Example (label): https://hunger.openfoodfacts.org/logos?logo_id=161643, here, we should add "Label Rouge" as value and "label" as type. | Example (label): https://hunger.openfoodfacts.org/logos?logo_id=161643, here, we should add "Label Rouge" as value and "label" as type. | ||
Example (brand): https://hunger.openfoodfacts.org/logos?logo_id=444915, here we should add "Rachel's" as value and "brand" as type. Please note there is not yet auto-completion for brand. Server-side, the value is transformed into a tag ("rachel-s") and matched against existing brands in database. The brand logo annotation is used only if we | Example (brand): https://hunger.openfoodfacts.org/logos?logo_id=444915, here we should add "Rachel's" as value and "brand" as type. Please note there is not yet auto-completion for brand. Server-side, the value is transformed into a tag ("rachel-s") and matched against existing brands in the database. The brand logo annotation is used only if we find a match. | ||
'''If more than one logo is visible on the crop, do not annotate it'''. A flag system should be available in the future to report them. | '''If more than one logo is visible on the crop, do not annotate it'''. A flag system should be available in the future to report them. | ||
| Line 28: | Line 28: | ||
If the logo is truncated, annotate it anyway if it can still be recognized. | If the logo is truncated, annotate it anyway if it can still be recognized. | ||
You can click on the blue link | You can click on the blue link in the top-right corner of each logo card. It will open a new tab with this specific logo as a reference. It's really useful to find similar logos to annotate. | ||
Query parameters: | Query parameters: | ||