Struct KeyPoint

Namespace: OpenCvSharp

Assembly: OpenCvSharp.dll

Data structure for salient point detectors

[Serializable]
[SuppressMessage("Design", "CA1051: Do not declare visible instance fields")]
public record struct KeyPoint : IEquatable<KeyPoint>

Implements: IEquatable<KeyPoint>

Inherited Members: ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Remarks

Complete constructor

Constructors

KeyPoint(Point2f, float, float, float, int, int): Data structure for salient point detectors

KeyPoint(float, float, float, float, float, int, int): Complete constructor

Fields

Angle: Feature orientation in degrees (has negative value if the orientation is not defined/not computed)

ClassId: Point class (can be used by feature classifiers or object detectors)

Octave: Scale-space octave in which the feature has been found; may correlate with the size

Pt: Coordinate of the point

Response: Feature strength (can be used to select only the most prominent key points)

Size: Feature size

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