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|---|---|---|---|---|---|---|
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} | human_useful_fire | |
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} | suspect_origin | |
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} | suspect_origin | |
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} | human_useful_fire | |
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} | suspect_origin | |
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} | forest_natural_area_wildfire | |
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} | forest_natural_area_wildfire | |
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} | suspect_origin | |
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} | human_useful_fire | |
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} | human_useful_fire | |
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} | forest_natural_area_wildfire | |
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} | suspect_origin | |
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} | forest_natural_area_wildfire | |
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} | fire_road_urban | |
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} | domestic_origin | |
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FireViewer · Fire & Smoke
Un corpus d’images pour localiser le feu et la fumée, avec des catégories de contexte visuel complémentaires.
| Images | Boîtes finales | Classes de détection | Catégories de contexte |
|---|---|---|---|
| 103 239 | 134 995 | 2 | 6 |
Ce que contient le dataset
Les annotations actives se trouvent dans les fichiers Parquet de data/. Le champ objects contient les boîtes finales intégrant les contrôles et corrections du pipeline Luna / Terra. La classe historique flame_visible est fusionnée avec fire.
Répartition des images
| Split | Images | Utilisation |
|---|---|---|
train |
78 450 | Apprentissage |
validation |
11 266 | Sélection des checkpoints et réglages |
test |
13 523 | Évaluation finale réservée |
| Total | 103 239 |
Les fichiers historiques de oldmetadata/ sont des archives ; ils sont exclus de la configuration de chargement.
Classes et géométrie des boîtes
| ID | Classe | Définition | Boîtes dans le corpus |
|---|---|---|---|
| 0 | fire |
Feu et flammes visibles, incluant l’ancienne classe flame_visible. |
77 214 |
| 1 | smoke |
Fumée visible, y compris les émissions petites ou légères. | 57 781 |
Une boîte suit le format [x, y, largeur, hauteur] en pixels, dans les coordonnées de l’image native : origine en haut à gauche, x vers la droite et y vers le bas. Les valeurs ne sont pas normalisées.
Les listes objects.bbox et objects.category se correspondent par indice. Pour dessiner un rectangle, convertir [x, y, w, h] en [x, y, x + w, y + h]. Respecter les dimensions width / height et l’orientation native lors du décodage ; toute rotation ou mise à l’échelle doit également transformer les boîtes.
Six catégories de contexte
Valeur de alert_category |
Interprétation |
|---|---|
human_useful_fire |
Usage humain contrôlé : feu de camp, barbecue, activité agricole ou industrielle. |
domestic_origin |
Foyer, poêle, cuisson ou contexte domestique identifiable. |
suspect_origin |
Origine ou détails insuffisants ; feu ou fumée potentiellement dangereux. |
fire_road_urban |
Véhicules, routes ou incident en milieu bâti. |
forest_natural_area_wildfire |
Feu apparent de végétation non maîtrisé en zone naturelle. |
negative |
Ni feu ni fumée visibles selon l’annotation de contexte. |
103 048 images disposent d’une catégorie ; 191 valeurs sont nulles. Pour entraîner un classifieur, exclure ces valeurs nulles plutôt que les convertir en negative. Pour la détection, utiliser les boîtes de objects.
Structure d’un exemple
| Champ | Contenu |
|---|---|
image |
Image native intégrée au Parquet. |
image_id |
Identifiant de l’image. |
sha256 |
Empreinte de l’image source. |
width, height |
Dimensions natives en pixels. |
objects.id |
Identifiants des objets. |
objects.bbox |
Liste des boîtes au format xywh en pixels. |
objects.category |
Liste des classes : 0 = fire, 1 = smoke. |
objects.area |
Aires des boîtes en pixels carrés. |
alert_category |
Une des six catégories de contexte, ou une valeur nulle. |
Chargement rapide, sans télécharger tout le corpus
pip install datasets pillow
import io
from datasets import load_dataset, Image as HFImage
from PIL import Image
dataset = load_dataset(
"fireviewer/fireviewer_fire_smoke_flame_v3_native",
revision="8c8b197fa1c928217529a04bff434fb70a66614e",
split="validation",
streaming=True,
)
# Décodage explicite pour conserver l’orientation des pixels natifs.
dataset = dataset.cast_column("image", HFImage(decode=False))
sample = next(iter(dataset))
image = Image.open(io.BytesIO(sample["image"]["bytes"]))
print("Dimensions :", image.size)
print("Boîtes xywh :", sample["objects"]["bbox"])
print("Classes :", sample["objects"]["category"])
print("Contexte :", sample["alert_category"])
L’exemple utilise la révision figée 8c8b197fa1c928217529a04bff434fb70a66614e, également employée pour le YOLO11M Fire & Smoke. Le chargement de la branche main reste possible en omettant revision.
Qualité et usages
Le corpus est destiné à l’entraînement et à l’évaluation de détecteurs de feu / fumée, ainsi qu’à l’étude du contexte visuel. Les annotations issues de contrôles automatiques ne constituent pas une validation humaine exhaustive. Les fumées ténues, les petits foyers, les reflets et les occultations restent des cas difficiles.
Conserver la séparation des splits pour évaluer un modèle. Les catégories de contexte ne constituent ni une mesure de danger réel ni une détermination certaine de la cause d’un feu.
Provenance et conditions d’utilisation
Ce dépôt regroupe des images de sources multiples. Aucune licence globale n’est renseignée dans ses métadonnées actuelles ; les conditions des sources d’origine restent à vérifier pour l’usage envisagé. Les archives de provenance disponibles sont conservées dans oldmetadata/.
Projet : FireViewer ·
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