Class MSER

Maximal Stable Extremal Regions class

Inheritance
System.Object
DisposableObject
DisposableCvObject
Algorithm
Feature2D
MSER
Implements
Inherited Members
Namespace: OpenCvSharp
Assembly: OpenCvSharp.dll
Syntax
public class MSER : Feature2D, ICvPtrHolder

Constructors

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MSER(IntPtr)

Creates instance by raw pointer cv::MSER*

Declaration
protected MSER(IntPtr p)
Parameters
Type Name Description
IntPtr p

Properties

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Delta

Declaration
public int Delta { get; set; }
Property Value
Type Description
System.Int32
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MaxArea

Declaration
public int MaxArea { get; set; }
Property Value
Type Description
System.Int32
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MinArea

Declaration
public int MinArea { get; set; }
Property Value
Type Description
System.Int32
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Pass2Only

Declaration
public bool Pass2Only { get; set; }
Property Value
Type Description
System.Boolean

Methods

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Create(Int32, Int32, Int32, Double, Double, Int32, Double, Double, Int32)

Creates MSER parameters

Declaration
public static MSER Create(int delta = 5, int minArea = 60, int maxArea = 14400, double maxVariation = 0.25, double minDiversity = 0.2, int maxEvolution = 200, double areaThreshold = 1.01, double minMargin = 0.003, int edgeBlurSize = 5)
Parameters
Type Name Description
System.Int32 delta

delta, in the code, it compares (size_{i}-size_{i-delta})/size_{i-delta}
System.Int32 minArea

prune the area which smaller than min_area
System.Int32 maxArea

prune the area which bigger than max_area
System.Double maxVariation

prune the area have simliar size to its children
System.Double minDiversity

trace back to cut off mser with diversity < min_diversity
System.Int32 maxEvolution

for color image, the evolution steps
System.Double areaThreshold

the area threshold to cause re-initialize
System.Double minMargin

ignore too small margin
System.Int32 edgeBlurSize

the aperture size for edge blur
Returns
Type Description
MSER
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DetectRegions(InputArray, out Point[][], out Rect[])

Detect MSER regions

Declaration
public virtual void DetectRegions(InputArray image, out Point[][] msers, out Rect[] bboxes)
Parameters
Type Name Description
InputArray image

input image (8UC1, 8UC3 or 8UC4, must be greater or equal than 3x3)
OpenCvSharp.Point[][] msers

resulting list of point sets
OpenCvSharp.Rect[] bboxes

resulting bounding boxes
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DisposeManaged()

Releases managed resources

Declaration
protected override void DisposeManaged()
Overrides
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DisposeUnmanaged()

Declaration
protected override void DisposeUnmanaged()
Overrides
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Get()

Declaration
public override IntPtr Get()
Returns
Type Description
IntPtr

Implements