HALOWERKMedienwerk
image dupe
Takes between two and eight images by URL or inline base64 and compares each pair. Three perceptual hashes are computed, because each fails differently: an average hash over an 8x8 grey image is cheap but moves with brightness, a gradient hash reads the slope between neighbouring pixels and survives exposure changes, and a DCT hash over the low frequencies of a 32x32 grey image is the sturdiest against rescaling and re-encoding.
POST https://medien.halowerk.com/v1/image-dupeEingaben
| Feld | Typ | Pflicht | Beschreibung |
|---|---|---|---|
| images | array | Ja | Two to eight images. Each takes either url or content_base64. |
| check_rotations | boolean | Nein | Also compare against the other image rotated 90, 180 and 270 degrees. |
| check_mirror | boolean | Nein | Also compare against the mirrored image. |
| phash_threshold | integer | Nein | Override the pHash distance below which a pair counts as likely edited. Default 10. |
Vollständiges Eingabeschema anzeigen
{
"type": "object",
"required": [
"images"
],
"additionalProperties": false,
"properties": {
"images": {
"type": "array",
"minItems": 2,
"maxItems": 8,
"description": "Two to eight images. Each takes either url or content_base64.",
"items": {
"type": "object",
"additionalProperties": false,
"properties": {
"url": {
"type": "string",
"maxLength": 2048,
"description": "Public http(s) URL of the image."
},
"content_base64": {
"type": "string",
"maxLength": 12000000,
"description": "The image inline, base64."
},
"label": {
"type": "string",
"maxLength": 120,
"description": "Name used in the answer. Defaults to image_1, image_2 …"
},
"filename": {
"type": "string",
"maxLength": 260
}
}
}
},
"check_rotations": {
"type": "boolean",
"default": false,
"description": "Also compare against the other image rotated 90, 180 and 270 degrees."
},
"check_mirror": {
"type": "boolean",
"default": false,
"description": "Also compare against the mirrored image."
},
"phash_threshold": {
"type": "integer",
"minimum": 0,
"maximum": 32,
"description": "Override the pHash distance below which a pair counts as likely edited. Default 10."
}
}
}Veröffentlichtes Eingabebeispiel
{
"images": [
{
"url": "https://example.com/a.jpg",
"label": "original"
},
{
"url": "https://example.com/b.jpg",
"label": "verdaechtig"
}
]
}Ergebnis & Dokumentation
Maschinenlesbare Dokumentation dieses Hubs
Quelle dieser Seite: der veröffentlichte HALOWERK-Katalog. Stand: 2026-11-01, 15:19 UTC.
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