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updated 4 months ago

crossdet by Marco Borges

Detect crossing a threshold into a signal (signal processing, detection, crossing)

crossdet(sig, th, type)

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updated 4 months ago

peakdet by Marco Borges

Detect Peaks and Depressions in a signal (signal processing, detection, peaks)

peakdet(sig, th, type)

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updated 7 months ago

Reversible Data Hiding or Reversible Watermarking by mongkol

Infimum and Supremum of Thresholds and Seven Symmetry Predictors for Reversible Data Hiding (reversible data hidin..., reversible watermarki..., histogram shifting)

[im,nm]=embeded(c,r,uh,u,tsopt,ptors,watermark,T,im)

dec2binvec(dec,n)

four_layers(originalImage,layer,NL)

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updated 7 months ago

Measuring Solution level in bottles by Sriram Emarose

The program estimates the liquid level in the beverage bottles (color, threshold, labeling)

BottleLevel.m

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updated 9 months ago

Kittler-Illingworth Thresholding by Bob

Implements an auto-thresholding algorithm as described by Kittler and Illingworth (threshold, image processing, image analysis)

kittler(I, h, g)

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updated 9 months ago

Color Blob Utility with Automatic Thresholding and Tolerance Calculations by Gerald Rimmer

This code allows the user to select a region of interest and then threshold the entire image. (blob, hsv, threshold)

ColorBlobUtility.m

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updated 12 months ago

Hysteresis thresholding for 3D images (or 2D) by Luke Xie

Segments images based dual thresholding with 2D or 3D connectivity neighborhoods. (image processing, hysteresis, 3d)

[tri,hys]=hysteresis3d(img,t1,t2,conn)

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updated 12 months ago

Energy Detection Simulation : Finding Threhsold by Sanket Kalamkar

Code to find threshold for energy detection in Cognitive Radio using Simulations (energy detection, threshold, cognitive radio)

Energy_detection_Threhsold_finding_monte1.m

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updated 1 year ago

IMAGE DENOISING USING VISUSHRINK by kiran kumar

Determine thresholds to minimize MSE, (visushrink, image denoising, denoising)

op=hthresh(X,T);

op=sthresh(X,T);

visuthresh.m

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updated 1 year ago

kittlerMinimimErrorThresholding by sundus

Compute an optimal image threshold. Computes the Minimum Error Threshold as described in (threshold, histogram, minimim error)

kittlerMinimimErrorThresholding( img )

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updated 1 year ago

wevleted Image by sundus

use wavelet to reduce the image size this declared by the histogram plot (image, wavelet, histogram)

testPaper.m

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updated 1 year ago

Dilation without using imdilate by shivangi patel

code works perfectly on any binaryimage. (image processing, binary image, morphological image p...)

dilclg.m

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updated almost 2 years ago

GETCLIM: Suggest appropriate values for colormap limits by Andrew Davis

Determines thresholds such that 2% of data values will be mapped to the extremes of the colormap (image processing, threshold, colormap)

getclim(imdata, dataFraction)

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updated almost 3 years ago

Classic AdaBoost Classifier by Dirk-Jan Kroon

Weak threshold classifier boosted to strong Classifier with Adaboost (adaboost, boosting, classifier)

[estimateclasstotal,model]=adaboost(mode,datafeatures,dat...

example.m

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updated almost 4 years ago

Conditionally colored line plot by Matt Tearle

Plots (2D line) graph split into two colors above and below a given threshold value (plot, visualization, threshold)

splitcolorplot(x,y,val,fmt1,fmt2)

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updated 4 years ago

Thresholding an image by Image Analyst

GUI with sliders to set a threshold range on an image. Make a binary image. (image processing, threshold, binarize)

threshold(varargin)

threshold_grayscale_image(original_image, min_threshold, ...

demo_script.m

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updated 4 years ago

Custom-shaped histogram by Image Analyst

Transform an image to have any histogram you want. (image processing, demo, segmentation)

shaped_histogram()

threshold(varargin)

threshold_grayscale_image(original_image, min_threshold, ...

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updated 4 years ago

Edge Detection by Deepak Kumar Rout

Detects the edges in an image (edge detection, image processing, image segmentation)

edge_detection.m

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updated 4 years ago

Gray image thresholding using the Triangle Method by Bernard Panneton

Computes a threshold the Triangle method. (image processing, threshold)

triangle_th.m

Demo_Triangle_th.m

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updated 4 years ago

Extract Red Objects from Aerial Image by Husam Aldahiyat

A very simple and short example on image processing. (image, processing, aerial)

redcars

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updated almost 5 years ago

Color Threshold by Aaron Becker

Allows users to interactively select/deselect pixels to threshold images using RGB or HSV filters. (color image threshold..., threshold, segmenting)

ColorThreshold(image_name)

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updated 5 years ago

threshold by mustafa gocen

threshold by a value (threshold)

slider_gui

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updated 6 years ago

fill2c: a pedestrian area filler by us

fill2c paints areas below/above a threshold with different colors (specialized, plotting, patch)

[p,par]=fill2c(x,y,cn,cp,yoff)

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updated 7 years ago

Percentage Exceedence of a 3D Matrix for a Threshold value by Selwyn

Calculates the percentage that a 3D matrix exceeds a given threshold value (statistics, probability, exceedence)

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updated almost 8 years ago

Nonparametric Power Spectrum Estimation With Thresholded Cepstrum by Steve Lutes

A function to nonparametrically estimate the power spectrum via thresholded cepstrum (spectral analysis, power spectrum, cepstrum)

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updated 8 years ago

interactive colorbar by John Franklin

creates a colorbar which allows manual adjustment of color palette (data exploration, contrast, threshold)

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updated 9 years ago

Histogram Gaussian Smooth by Ivan Dario Castano Perez

This function implements the gaussian smooth of any size for an histogram ... (morphology, segmentation, gaussian)

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updated 11 years ago

Binary Image Cleaning Based on Area Size by Zhe Wu

Foreground area larger (or smaller, depending on 'mode') is preserved; otherwise it's deleted. (morphology, segmentation, binary)

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updated 14 years ago

opthr by Felix Toran Marti

This script, written for Matlab 5, finds the optimal threshold corresponding to an intensity image. (morphology, segmentation, optimal threshold)

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