https://cacontology.projectvic.org/detection#PerceptualHash
A hash that captures visual similarity rather than exact bit patterns (e.g., pHash, aHash, dHash). Modeled as gUFO Object.
Instances of cacontology-detection:PerceptualHash can have the following properties:
| PROPERTY | TYPE | DESCRIPTION | RANGE |
|---|
By the associated SHACL property shapes, instances of cacontology-detection:PerceptualHash can have the following properties:
| PROPERTY | PROPERTY TYPE | DESCRIPTION | MIN | MAX | VALUE TYPE | OTHER CONSTRAINTS | GLOBAL RANGE |
|---|---|---|---|---|---|---|---|
| cacontology-detection:PerceptualHash | |||||||
| cacontology-detection:hashAlgorithm | owl:DatatypeProperty | The specific algorithm used for perceptual hashing (e.g., 'pHash', 'aHash', 'dHash'). sh:message Hash algorithm must be from the allowed list |
1 | 1 | xsd:string |
sh:in
pHash, aHash, dHash, wHash, colorHash, blockHash
|
xsd:string |
| cacontology-detection:perceptualHashValue | owl:DatatypeProperty | The perceptual hash value as a hexadecimal string. sh:message Perceptual hash value must be a hexadecimal string (8-128 characters) |
1 | 1 | xsd:string |
sh:pattern
^[0-9A-Fa-f]+$
sh:minLength
8
sh:maxLength
128
|
xsd:string |
uco-core:createdTime |
-- | sh:message Hash creation time should be specified when available |
0 | 1 | xsd:dateTime | -- | |
| cac-core:Artifact | |||||||
rdfs:label |
-- | label Every artifact should have at least one human-readable label. |
1 | * | xsd:string | -- | |
| cac-core:EnduringEntity | |||||||
(gufo:hasBeginPointInXSDDateTimeStamp | gufo:hasEndPointInXSDDateTimeStamp) |
-- | sh:message gUFO Objects should have temporal existence markers when applicable. |
0 | * | -- | ||
@prefix cac-core: <https://cacontology.projectvic.org/core#> .
@prefix cacontology-detection: <https://cacontology.projectvic.org/detection#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix uco-types: <https://ontology.unifiedcyberontology.org/uco/types/> .
cacontology-detection:PerceptualHash a owl:Class ;
rdfs:label "Perceptual Hash"@en ;
rdfs:comment "A hash that captures visual similarity rather than exact bit patterns (e.g., pHash, aHash, dHash). Modeled as gUFO Object."@en ;
rdfs:subClassOf cac-core:Artifact,
uco-types:Hash .