threshGauss
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Input
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An integer between 0 and 116 specifying the input image frame number. A value of 0 represents the DMA memory buffer of the video device. Values in the range of 100-116 correspond to hidden frames.
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Output
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An integer between 1 and 116 specifying the output image frame number. Values in the range of 100-116 correspond to hidden frames.
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Channel
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An enumerated integer specifying the color channel that will be used for histogram analysis and thresholding. Must be one of the following values:
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TH_LUMINANCE=0 separate the objects of interest based on the intensity distribution.
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TH_HUE=1 separate the objects of interest based on the color pigment distribution.
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TH_SATURATION=2 - separate the objects of interest based on the color saturation distribution.
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This parameter is disregarded for grayscale images.
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A threshold level calculated from the histogram analysis and used for thresholding.
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ERR_OK
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The flag set if successful.
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ERR_FAILED
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The flag set if failed.
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This set of statements performs the automatic thresholding of a sample image using the Gaussian fit function:
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SetCurDir("samples")
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loadIm (1,"sample10.iwd")
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threshGauss (1, 2, TH_LUMINANCE)
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