selectStrongest

Select points with strongest metrics

Syntax

strongestPoints = selectStrongest(points,N)

Description

strongestPoints = selectStrongest(points,N) returns N number of points that have the strongest metrics.

Examples

Select Strongest KAZE Features

Create a KAZEPoints object holding 50 points.

points = KAZEPoints(ones(50,2),Metric=1:50);

Keep the two strongest features.

points = selectStrongest(points,2)   

points = 
  2×1 KAZEPoints array with properties:

       Location: [2×2 single]
         Metric: [2×1 single]
          Count: 2
          Scale: [2×1 single]
    Orientation: [2×1 single]

Input Arguments

points — Points object

M-by-2 matrix | point feature object

Points object,specified as an M-by-2 matrix of M number of [x y] coordinates, or as one of the point feature objects described in Point Feature Types. The object contains information about the feature points detected in the input image. To obtain points, use the appropriate detect function that pairs with the point feature type.

N — Number of points

integer

Number of strongest points to select, specified as an integer.

Output Arguments

strongestPoints — Points object with strongest metrics

M-by-2 matrix | points object

Points object with strongest metrics, returned as an M-by-2 matrix or a points object.

Version History

Introduced in R2017b