Segmentation - Threshold

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• Segmentation – Threshold

Operators

auto_thresholdAutoThreshold: Segment an image using thresholds determined from its histogram.

binary_thresholdBinaryThreshold: Segment an image using binary thresholding.

char_thresholdCharThreshold: Perform a threshold segmentation for extracting characters.

check_differenceCheckDifference: Compare two images pixel by pixel.

dual_thresholdDualThreshold: Threshold operator for signed images.

dyn_thresholdDynThreshold: Segment an image using a local threshold.

fast_thresholdFastThreshold: Fast thresholding of images using global thresholds.

histo_to_threshHistoToThresh: Determine gray value thresholds from a histogram.

local_thresholdLocalThreshold: Segment an image using local thresholding.

thresholdThreshold: Segment an image using global threshold.

threshold_sub_pixThresholdSubPix: Extract level crossings from an image with subpixel accuracy.

var_thresholdVarThreshold: Threshold an image by local mean and standard deviation analysis.

zero_crossingZeroCrossing: Extract zero crossings from an image.

zero_crossing_sub_pixZeroCrossingSubPix: Extract zero crossings from an image with subpixel accuracy.