Class SimpleBlobDetector.Params

Namespace: OpenCvSharp

Assembly: OpenCvSharp.dll

SimpleBlobDetector parameters

public class SimpleBlobDetector.Params

Inheritance: object

SimpleBlobDetector.Params

Inherited Members: object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

Params()

Properties

BlobColor: Expected intensity of a blob center in the binary image, used when FilterByColor is enabled. Use 0 to extract dark blobs and 255 to extract light blobs.

CollectContours: Flag to enable contour collection. If set to true, the detector will store the contours of the detected blobs in memory, which can be retrieved after the Detect() call using GetBlobContours(). Default value is false.

FilterByArea: If true, blobs are filtered by area; only blobs with an area between MinArea (inclusive) and MaxArea (exclusive) are extracted.

FilterByCircularity: If true, blobs are filtered by circularity (4piarea / perimeter^2); only blobs with a circularity between MinCircularity (inclusive) and MaxCircularity (exclusive) are extracted.

FilterByColor: If true, blobs are filtered by comparing the intensity of a binary image at the center of a blob to BlobColor; blobs with a different intensity are filtered out.

FilterByConvexity: If true, blobs are filtered by convexity (area / area of the blob's convex hull); only blobs with a convexity between MinConvexity (inclusive) and MaxConvexity (exclusive) are extracted.

FilterByInertia: If true, blobs are filtered by the ratio of the minimum to the maximum inertia; only blobs with a ratio between MinInertiaRatio (inclusive) and MaxInertiaRatio (exclusive) are extracted.

MaxArea: Upper bound (exclusive) of blob area used when FilterByArea is enabled.

MaxCircularity: Upper bound (exclusive) of blob circularity used when FilterByCircularity is enabled.

MaxConvexity: Upper bound (exclusive) of blob convexity used when FilterByConvexity is enabled.

MaxInertiaRatio: Upper bound (exclusive) of the inertia ratio used when FilterByInertia is enabled.

MaxThreshold: Upper bound (exclusive) of the range of thresholds used to binarize the source image.

MinArea: Lower bound (inclusive) of blob area used when FilterByArea is enabled.

MinCircularity: Lower bound (inclusive) of blob circularity used when FilterByCircularity is enabled.

MinConvexity: Lower bound (inclusive) of blob convexity used when FilterByConvexity is enabled.

MinDistBetweenBlobs: Maximum distance between centers of two blobs for them to be merged into a single blob group when combining results from the several binarized images.

MinInertiaRatio: Lower bound (inclusive) of the inertia ratio used when FilterByInertia is enabled.

MinRepeatability

MinThreshold: Lower bound (inclusive) of the range of thresholds used to binarize the source image.

ThresholdStep: Distance between neighboring thresholds when converting the source image to several binary images, from MinThreshold (inclusive) to MaxThreshold (exclusive).

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