Online documentation for VideoBooleanPixelCount

Generated 2006-03-17

Count 'true' pixels in input image (part of Media/Video/Analysis framework ).

Description

Video processing component which can receive video frames (via sink), and calculate fraction of pixels which are 'true', then applying a threshold test to set thresholdExceeded.

Installation

See JMFVideoCaptureManager for video capture requirements.

Configuration

Configured by setting "configuration" property. Example value "BooleanPixelCount(0.5)" for a threshold value of 50% of pixels being true to trigger output.

Usage

Typically, link to sink from the source property of a JMFVideoCaptureDevice component (created by an JMFVideoCaptureManager component) or from the source property of a chained SimpleVideoProcessor component.

View the component web page using the URL in the configUrl property, which includes access to most recent input and processed image(s).

Technical Details

Part of the visionframework set of components; extends AbstractVideoProcessor.