@prefix dct: <http://purl.org/dc/terms/> .
@prefix orcid: <https://orcid.org/> .
@prefix this: <http://purl.org/np/RA6vx3oUBjIUIG-BD6WMRFj8lDa7KXolck81z-9ubLYSM> .
@prefix sub: <http://purl.org/np/RA6vx3oUBjIUIG-BD6WMRFj8lDa7KXolck81z-9ubLYSM#> .
@prefix schema: <https://schema.org/> .
@prefix bpmn: <http://dkm.fbk.eu/index.php/BPMN2_Ontology#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix pplan: <http://purl.org/net/p-plan#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
sub:Head {
  this: np:hasAssertion sub:assertion ;
    np:hasProvenance sub:provenance ;
    np:hasPublicationInfo sub:pubInfo ;
    a np:Nanopublication .
}
sub:assertion {
  sub:LinguisticSystem a schema:ComputerLanguage ;
    rdfs:label "python" ;
    rdfs:seeAlso <https://www.wikidata.org/wiki/Q28865> ;
    owl:versionInfo "3.7.9.final.0" .
  sub:image a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "image" .
  sub:out1 a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "out1" .
  sub:ratio a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "ratio" .
  sub:step dct:description """@is_fairstep(label='contrast image by factor')
def contrast_image(image, ratio):   
    from PIL import Image, ImageEnhance
    new_image= image.convert('RGB')
    new_image = ImageEnhance.Contrast(image)
    new_image= new_image.enhance(ratio)
    return new_image
""" ;
    dct:language sub:LinguisticSystem ;
    pplan:hasInputVar sub:image , sub:ratio ;
    pplan:hasOutputVar sub:out1 ;
    a bpmn:ScriptTask , pplan:Step ;
    rdfs:label "contrast image by factor" .
}
sub:provenance {
  sub:assertion prov:generatedAtTime "2021-06-14T16:32:10.174383"^^xsd:dateTime .
}
sub:pubInfo {
  sub:assertion prov:wasDerivedFrom <http://purl.org/np/RAY1W7VRGwNznJp18etfmPczbkQlvFRK8mSVj8x-jCtl8> .
  sub:sig npx:hasAlgorithm "RSA" ;
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMaX0e6Wh4s+QVm3Ktqp6oO9YXldQJwAnPWzobW5b8TQvBgEFIwoWzZCHbGQinVFCKLFJ3bLjMtEwl1mCcSDeGTJQv1Hf7aM9LvicLHqOZOS5nOAE/e+ibOzXnSdQV6W7ooOBY368j76WGmMocEt/3mbGkQfhbgRGlYMyHtgTQfQIDAQAB" ;
    npx:hasSignature "fDT5lcVqDAo7K4NnHTly368UCp2ApYkQhpGQXWj8ayBL8QxJux92YCrwoMO85o6RDWDSBlHcZCKxff6cwTOFoYovfK5Nso3+9k12UsjYyLvd1SVK7H2J4jBkmCoAPpLnzkSw12T0CClW7G3vDGa1DkInUKp+RdkoseHU9VGGPFs=" ;
    npx:hasSignatureTarget this: .
  this: npx:introduces sub:step ;
    prov:generatedAtTime "2021-06-14T16:32:10.174383"^^xsd:dateTime ;
    prov:wasAttributedTo orcid:0000-0000-0000-0000 .
}