Class Verifier

Uses pipelines to transform, train on, and classify Signature objects.

Inheritance
System.Object
Verifier
Implements
Namespace: SigStat.Common.Model
Assembly: SigStat.Common.dll
Syntax
public class Verifier : object, ILoggerObject

Constructors

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Verifier()

Initializes a new instance of the Verifier class.

Declaration
public Verifier()
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Verifier(ILogger)

Initializes a new instance of the Verifier class

Declaration
public Verifier(ILogger logger = null)
Parameters
Type Name Description
ILogger logger

Initializes the Logger property of the Verifier
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Verifier(Verifier)

Initializes a new instance of the Verifier class based on another Verifier instance

Declaration
public Verifier(Verifier baseVerifier)
Parameters
Type Name Description
Verifier baseVerifier

The reference verifier

Properties

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AllFeatures

This property is used by the Serializer to access a list of all FeatureDescriptors

Declaration
public Dictionary<string, FeatureDescriptor> AllFeatures { get; set; }
Property Value
Type Description
Dictionary<System.String, FeatureDescriptor>
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Classifier

Gets or sets the classifier pipeline. Hands over the Logger object.

Declaration
public IClassifier Classifier { get; set; }
Property Value
Type Description
IClassifier
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Logger

Gets or sets the class responsible for logging

Declaration
public ILogger Logger { get; set; }
Property Value
Type Description
ILogger
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Pipeline

Gets or sets the transform pipeline. Hands over the Logger object.

Declaration
public SequentialTransformPipeline Pipeline { get; set; }
Property Value
Type Description
SequentialTransformPipeline
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SignerModel

Gets or sets the signer model.

Declaration
public ISignerModel SignerModel { get; set; }
Property Value
Type Description
ISignerModel

The signer model.

Methods

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Test(Signature)

Verifies the genuinity of signature.

Declaration
public virtual double Test(Signature signature)
Parameters
Type Name Description
Signature signature
Returns
Type Description
System.Double

True if signature passes the verification test.
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Train(List<Signature>)

Trains the verifier with a list of signatures. Uses the Pipeline to extract features, and Classifier to find an optimized limit.

Declaration
public virtual void Train(List<Signature> signatures)
Parameters
Type Name Description
List<Signature> signatures

The list of signatures to train on.
Remarks

Note that signatures may contain both genuine and forged signatures. It's up to the classifier, whether it takes advantage of both classes

Implements