gmlVisionThresholder Class Reference

Detailed Description

Threshold a grayscale image, either automatically or using a given threshold

Public Member Functions

constructor args

Configurable parameters:

-auto : boolean [1]

whether the threshold should be chosen automatically

-timeout : integer [0]

after this many frames, auto-learning will stop

-learnRate : float [0.25]

smoothing factor for new threshold values

-threshold : integer [-1]

the currently chosen threshold

-representHisto : bitmap [none]

if set, a bitmap where to represent the computed histogram

destructor

process sourceFrame destFrame

Process the sourceFrame and place the thresholded result in destFrame