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* 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.
 
* 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.
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For labels and brands, logo annotations will update the product by adding the annotated label or brand. Please note that there is a 5 minutes delay between the annotation and the database update.
    
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.
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For instance, to display 50 results, use: https://hunger.openfoodfacts.org/logos?count=50
 
For instance, to display 50 results, use: https://hunger.openfoodfacts.org/logos?count=50
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== Common labels ==
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== Infinite mode ==
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Once you're confident with the standard logo annotation interface, you can try the more powerful Infinite mode available at: https://hunger.openfoodfacts.org/logos/deep-search
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The mechanism of Infinite mode annotation is the following:
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* fetch all logos annotated with a type and value
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* for each fetched logo, get the most similar logos without annotations
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* display all these unannotated logos
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This is a very effective mode to annotate logos that already have a few annotations.
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== Product mode ==
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If you want to annotate logos of a specific brand or label but infinite mode does not yield any result (because there is no annotated logos yet), you can try bootstrapping logo annotations with product mode: https://hunger.openfoodfacts.org/logos/product-search
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Remembering the right label name may be hard sometimes, so here is a list of common label names you will probably see:
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Start selecting a type (label or brand) and a value. All logos of all images of all products that have this brand/label will be displayed. You just need to select relevant logos and annotate them.
* [https://world.openfoodfacts.org/label/fr:viande-porcine-francaise Viande porcine française]
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* [https://world.openfoodfacts.org/label/fr:volaille-francaise Volaille Française]
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* [https://world.openfoodfacts.org/label/fr:viande-bovine-francaise Viande Bovine Française]
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* [https://world.openfoodfacts.org/label/nutriscore-grade-a Nutriscore Grade A]
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* [https://world.openfoodfacts.org/label/green-dot Green Dot]
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* [https://world.openfoodfacts.org/label/ab-agriculture-biologique AB Agriculture Biologique]
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* [https://world.openfoodfacts.org/label/eu-organic EU Organic]
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* [https://world.openfoodfacts.org/label/european-vegetarian-union European Vegetarian Union]
 

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