Question


Image Processing: Remove double edges
Is there a way to remove edges that appear twice in an image? For example, for some edges, the 1D neighbourhood may look like...

13 years ago | 1 answer | 0

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Answered
writting error meesage
try using the 'msgbox()' function: ie. if r > 0.49 disp('The person is accepted') else msgbox('The person is n...

13 years ago | 1

Question


Image Processing: Edge Detection on Specific Regions Only..?
I've been stuck on this problem for a while now, and I'm hoping that someone out there might be able to offer a suggestion or tw...

13 years ago | 0 answers | 0

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Question


Find large area of image, and draw boundaries
Does anybody know of a way to identify a large area of an image (I have segmented the image first to make this easier), and then...

13 years ago | 1 answer | 0

1

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Question


Image Segmentation built into MATLAB?!
Does anyone know if there are any image segmentation methods built into any of the MATLAB toolboxes? I have tried a 'lookfor' o...

13 years ago | 2 answers | 0

2

answers

Question


Performing Action to ALL 'struct' Variables
Is there a way to perform the same action on several variables of type 'struct'? In my case, I have 30 separate 'struct' va...

13 years ago | 2 answers | 0

2

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Question


libsvm in MATLAB for Mac OS X
I know this might not be the most appropriate place to ask this question - but I can't think where else to turn, and Google does...

13 years ago | 1 answer | 0

1

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Question


Plots: Designing and Saving
How can I include code in my M-File that builds a plot of my data with the following properties: * grid on * a vertical line...

13 years ago | 2 answers | 0

2

answers

Question


Image Processing: Array Problem - right justify?!
I'm attempting to build an array of pixel values that correspond to the pixel values found to the left of a particular pixel of ...

13 years ago | 3 answers | 0

3

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Question


Obtain specific pixel values without FOR loop..?
I have a binary image 'image_map' which contains either zeros that represent the background, and ones that represent the object....

13 years ago | 1 answer | 0

1

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Question


Image Processing Edge Detection: Remove unwanted edges
Firstly, apologies for the length of this question. But I feel it needs a little bit of an explanation so that my objective can...

13 years ago | 2 answers | 2

2

answers

Question


Finding neighbors of an object from labeled image
I have used segmentation and labelling techniques to assign each object within an image a unigue number. For example, the sky w...

13 years ago | 1 answer | 0

1

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Question


Image Processing: Finding areas of high contrast
I would like to find the areas of highest contrast in a grayscale image. For example, when the pixels go from sky to buildings ...

13 years ago | 1 answer | 0

1

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Answered
Saving filtered image
% convert image to intensities int_vals = mat2gray(im_e); % save intensities using imwrite imwrite(int_vals, 'filtered_...

13 years ago | 1

| accepted

Question


Saving filtered image
I have tested some code that applies homomorphic filtering to an image in the logarithmic space: %%%%%log of image im_l=lo...

13 years ago | 2 answers | 1

2

answers

Question


GUIDE: Calling button press on key press
Does anyone know of a way to enable the callback for a button press (as if it were clicked) when a user presses a specified key ...

13 years ago | 1 answer | 0

1

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Question


GUIDE: build an array of pixel coordinates by pressing button or carriage return
Hello, I have built (with a lot of help) a basic GUI that allows a user to select a region of interest for an image, and then...

13 years ago | 1 answer | 0

1

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Question


How to display a zoomed image in GUIDE
Hello, Can anyone please advise me how I can display a zoomed/magnified image in GUIDE? Ideally, I would like to display the...

13 years ago | 2 answers | 0

2

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Question


GUIDE: preview zoomed image based on mouse over of fullsize image
Does anyone know of a way to zoom right in (so that pixels can be seen) to parts of the image that a user is hovering the mouse ...

13 years ago | 1 answer | 0

1

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Question


Selecting a row of image pixels as ROI from GUI
Hello, Does anyone know of a way to use GUIDE to allow a user to select a 1-dimensional row (vector) of pixels in an image as...

13 years ago | 1 answer | 0

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Question


Cellfun to element-wise average cell vectors?
Is there a way to use cellfun such that it computes the element-wise average of each element for all cell vectors? (all the arra...

13 years ago | 1 answer | 0

1

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Question


Adding vertical line to plot?
Hi there, Can anyone please tell me how I can add a vertical line to my plot at a specified sample point? For example, I have a ...

13 years ago | 11 answers | 11

11

answers

Question


showing image color planes in color
Hi all, Does anyone know of a way to display the color planes of an image individually, and in colour? I am extracting each ...

13 years ago | 1 answer | 0

1

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Question


superimpose quiver plot onto image
Hi, Does anyone know a way of superimposing the gradient vector field of an image onto the image itself? As far as I can tel...

14 years ago | 1 answer | 0

1

answer

Answered
extracting eys and lips in an binary image
Try "help bwlabel"... Essentially, this function will numerically label each connected component of your image. You can then w...

14 years ago | 0

Question


Gradient Field of an Image...
Hi, Does anyone know how to calculate the gradient field of an image? I have checked the use of Quiver plots to achieve this...

14 years ago | 1 answer | 0

1

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Question


plotting frequency distribution of fft2 transformed image...
Hi, I wonder if anyone is able to help me find a MATLAB function/solution for plotting the Fourier transform frequencies on t...

14 years ago | 1 answer | 0

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