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Logo Annotation Guidelines: Difference between revisions
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Raphael0202 (talk | contribs) (Created page with "The annotation Web interface is available at: https://hunger.openfoodfacts.org/logos. The goal of the annotation is to provide ground-truth labels that will be used to predic...") |
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The annotation Web interface is available at: https://hunger.openfoodfacts.org/logos. | The annotation Web interface is available at: https://hunger.openfoodfacts.org/logos. | ||
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'''. | |||
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 lowercased before saving the annotation. | == How to? == | ||
1. Open web interface: https://hunger.openfoodfacts.org/logos | |||
2. Select logos to be annotated (click each desired logo whit your mouse) | |||
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 should match one item in the associated taxonomy, otherwise it won't be used for prediction. The field value is lowercased before saving the annotation. | |||
Example: https://hunger.openfoodfacts.org/logos?logo_id=161643 | Example: https://hunger.openfoodfacts.org/logos?logo_id=161643 | ||
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* fr:volaille française | * fr:volaille française | ||
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. | ||
You can click on the blue link on the top-right corner of each logo card. It will open a new tab with this specific logo as reference. It's really useful to find similar logos to annotate. | You can click on the blue link on the top-right corner of each logo card. It will open a new tab with this specific logo as reference. It's really useful to find similar logos to annotate. | ||