prune
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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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Length
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An integer specifying the length of the branches to be removed, which is equivalent to the number of pruning iterations. If this parameter is zero, the function will continue to iterate until the objects are completely pruned.
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Default value: -1
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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 binarizes a sample image, extracts its skeleton and then prunes the skeleton:
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setCurDir ("samples")
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loadIm (1,"sample4.iwd")
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threshold(1,1,M_PRESET,0.,113.,TRUE,FALSE)
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thin (1,2)
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prune (2,3)
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