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updated 1 day ago

Bernsen local image thresholding by Jan Motl

Implementation of Bernsen's thresholding method. (image processing, local thresholding, binarization)

bernsen(image, varargin)

image=averagefilter(image, varargin)

maxfilt2(X,varargin)

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updated 6 months ago

Rotate an image around a point by Jan Motl

Performs rotation of an image around any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

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updated 7 months ago

Remove ghosts from binarized images by Jan Motl

This method removes speckles in the binarized images. (binarization, thresholding, image processing)

averagefilter(image, varargin)

bradley(image, varargin)

deghost.m

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updated 8 months ago

Quick & easy smoothing by Damien Garcia

Z = SMOOTH1Q(Y) smoothes data Y using a DCT- or FFT-based spline smoothing method (smoothing, robust smoothing, dct)

smooth1q.m

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updated 1 year ago

Bradley local image thresholding by Jan Motl

A fast an well performing local image thresholding method. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

bradley(image, varargin)

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updated 1 year ago

Nick local image thresholding by Jan Motl

Nick's binarization performs local image thresholding. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

output=nick(image, varargin)

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updated 1 year ago

Wolf local image thresholding by Jan Motl

Wolf's binarization performs local image thresholding. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

output=wolf(image, varargin)

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updated 1 year ago

Meanthresh local image thresholding by Jan Motl

Meanthresh performs a simple local image thresholding. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

meanthresh(image, varargin)

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updated 1 year ago

Average Filter by Jan Motl

Average filter performs image smoothing with integral image method. (image, smoothing, image processing)

averagefilter(image, varargin)

averagefilterTest.m

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updated 1 year ago

Feng local image thresholding by Jan Motl

Feng binarization method is well suited for ill illuminated or stained documents. (binarization, thresholding, local)

averagefilter(image, varargin)

maxfilt2(X,varargin)

minfilt2(X,varargin)

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updated 1 year ago

Standard deviation filter by Jan Motl

Standard deviation filter for images based on integral images. (standard deviation, variance, image processing)

image=averagefilter(image, varargin)

stdfilter(image, varargin)

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updated 1 year ago

Niblack local thresholding by Jan Motl

A traditional local image thresholding. (binarization, local thresholding, niblack)

image=averagefilter(image, varargin)

niblack(image, varargin)

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updated 1 year ago

Sauvola local image thresholding by Jan Motl

Sauvola binarization method is well suited for ill illuminated or stained documents. (image processing, thresholding, binarization)

image=averagefilter(image, varargin)

output=sauvola(image, varargin)

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updated 1 year ago

Straighten image by Jan Motl

The function finds the document orientation. (image, horizon, tilted)

horizon(image, varargin)

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updated 1 year ago

Magic kernel resizing by Jan Motl

The “magic kernel” is a method of resampling images that gives clear results free of artifacts. (image processing, shrinking, enlarging)

output=magickernel(image, varargin)

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updated 1 year ago

Nadaraya-Watson smoothing by Jan Motl

A non-parametrical regression (smoothing) tool using Gaussian kernel. (regression, smoothing, smooth)

[smoothed score h]=smoothing(ydata,varargin)

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updated 1 year ago

Sobel filter of predefined size by Jan Motl

The function returns Sobel filter of predefined size. (image processing, edge, sobel)

sobelkernel(size, varargin)

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