Sean

Queen's University Belfast

Actif depuis 2014

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How to ignore certain values in A histogram?
Say I have an grey scale image S and I'm looking to ignore all values above 250, how do I do it with out using NaN? the reason I...

plus de 10 ans il y a | 1 réponse | 0

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Question

Using SVM in Matlab for image classification based on 2 Features?
Hi, I have 2 features (F1 and F2) extracted from a sample of 40 images (20 good and 20 bad). These Features are the Average ...

plus de 10 ans il y a | 1 réponse | 0

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Question

Declare a plotted Line in an image as a variable and not a Matlab graphics chart line?
A=imread('g16.BMP'); AR=A(:,:,1); [rows, columns] = size(AR); avgs = mean(AR(50:165,:), 2); avgs2 = mean(AR(16...

plus de 10 ans il y a | 1 réponse | 0

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Question

Scan through an image to detect the mid points of 2 grey regions
<</matlabcentral/answers/uploaded_files/27490/Screen%20Shot%202015-03-19%20at%2016.57.39.png>> Hi above is an image that Im t...

presque 11 ans il y a | 1 réponse | 0

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Question

how to declare a specified row in an image as a variable?
I have a folder of images and I know which 2 rows I want to plot out and define on all of my images (rows 200 and 315). To begin...

presque 11 ans il y a | 2 réponses | 0

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Question

Property settings for axes of greyscale histogram on gui?
Im trying to plot a histogram of a grey scale image using a gui, I'm having trouble with the property inspector belonging to the...

presque 11 ans il y a | 1 réponse | 0

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Question

Using GUI, use one push button as an image browser and another to process the image that was chosen?
Hi I'm creating a GUI for part of an image processing project at university. To this point I've created a push button which allo...

presque 11 ans il y a | 3 réponses | 1

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Question

How to Normalise an images histogram?
<< <</matlabcentral/answers/uploaded_files/26223/Screen%20Shot%202015-02-26%20at%2016.47.37.png>> >> Attached is a hist...

presque 11 ans il y a | 1 réponse | 0

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Question

How to remove noise from a plot?
<</matlabcentral/answers/uploaded_files/26111/Screen%20Shot%202015-02-24%20at%2022.58.02.png>> I've created a function to det...

presque 11 ans il y a | 1 réponse | 0

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Question

How to plot a point 300 pixels to the right in an image?
So I've a variable created called 'J' which is situated at a certain point in the image, how do I plot it 300 pixels to the righ...

presque 11 ans il y a | 1 réponse | 0

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Question

How label a line plotted automatically on an image?
Below is code Ive used to process a batch of images. The functions label white and dark regions on the image followed by plottin...

presque 11 ans il y a | 1 réponse | 0

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Réponse apportée
Creating new Figures from a batch of processed images and writing the new figures to a new folder.
Got it working with the code below: InputFolder = fullfile(pwd, 'FlatImages'); filePattern = fullfile(InputFolder, '*.bm...

presque 11 ans il y a | 0

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Question

Creating new Figures from a batch of processed images and writing the new figures to a new folder.
The code below reads in a batch of images from a folder 'FlatImages', uses a function to mark white edges on the data, creates a...

presque 11 ans il y a | 1 réponse | 0

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réponse

Question

Conversion of .BMP to .jpg images
Im using the code below to convert .bmp images to .jpeg, Once typed into the command window no errors appear. However there are ...

presque 11 ans il y a | 2 réponses | 0

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Question

How to scan an image from a specified Row?
So below is a function Im using to locate the beginning and end of dark regions on a greyscale image: function [Ssb Seb]=ge...

presque 11 ans il y a | 1 réponse | 0

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Question

Create line of best fit from a plot
Attached is a plot which comes from an image, the plot represents pixels across various columns(1024) in an image which are less...

environ 11 ans il y a | 2 réponses | 0

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Question

Ideas for breaking up an image based on pixel values
I'm dealing with greyscale images made up around of 884 rows. Say for example, at the top of the image from rows 0-200, are of a...

environ 11 ans il y a | 1 réponse | 0

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