Online documentation for VideoFrameAverage

Generated 2006-03-17

Calculates average pixel value in image (part of Media/Video/Analysis framework ).

Description

Video processing component which can receive video frames (via sink) and calculate average pixel value, then applying a threshold test to set thresholdExceeded.

Installation

See JMFVideoCaptureManager component for video capture requirements.

Configuration

Configured by setting configuration property. Allows value of the form "Average(0.5)", where the float parameter specifies the value for average. Note: does not at present allow pre-chains of other audio processing steps; you must use a separate SimpleVideoProcessor.

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. some visualisation facilities.