VNDetectRectanglesRequestMBS.maximumAspectRatio as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

A float specifying the maximum aspect ratio of the rectangle to detect, defined as the shorter dimension over the longer dimension.

The value should range from 0.0 to 1.0, inclusive. The default value is 0.5.
(Read and Write property)

VNDetectRectanglesRequestMBS.maximumObservations as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

An integer specifying the maximum number of rectangles Vision returns.

The default value is 1.
Setting this property to 0 allows Vision algorithms to return an unlimited number of observations.
(Read and Write property)

Some examples using this property:

• /MacFrameworks/Vision Object Detection/Vision Object Detection

VNDetectRectanglesRequestMBS.minimumAspectRatio as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

A float specifying the minimum aspect ratio of the rectangle to detect, defined as the shorter dimension over the longer dimension.

The value should range from 0.0 to 1.0, inclusive. The default value is 0.5.
(Read and Write property)

Some examples using this property:

• /MacFrameworks/Vision Object Detection/Vision Object Detection

VNDetectRectanglesRequestMBS.minimumConfidence as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

A value specifying the minimum acceptable confidence level.

Vision won't return rectangles with a confidence score lower than the specified minimum.
The confidence score ranges from 0.0 to 1.0, inclusive, where 0.0 represents no confidence, and 1.0 represents full confidence.
(Read and Write property)

Some examples using this property:

• /MacFrameworks/Vision Object Detection/Vision Object Detection

VNDetectRectanglesRequestMBS.minimumSize as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

A float specifying the minimum size of the rectangle to be detected, as a proportion of the smallest dimension.

The value should range from 0.0 to 1.0 inclusive. The default minimum size is 0.2.
Any smaller rectangles that Vision may have detected aren't returned.
(Read and Write property)

VNDetectRectanglesRequestMBS.quadratureTolerance as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Vision	MBS MacFrameworks Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

A float specifying the number of degrees a rectangle corner angle can deviate from 90°.

The tolerance value should range from 0 to 45, inclusive. The default tolerance is 30.
(Read and Write property)