Ralph Dunne

Active since 2013

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How can I highlight a bounded region of an image when the user clicks inside that boundary?
Is there a method to return the image of just one cell and make rest of the image white? I need to highlight a cell using a mous...

11 years ago | 1 answer | 0

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Question

How To use polyfit on a digital image to find the best fit line of a region in the image?
not sure what way the variables should be inputted to the matlab function polyfit p = polyfit (x,y,n) If im measuring a re...

11 years ago | 0 answers | 0

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Question

Is there any way to return just the pixels inside an area enclosed by a bwperim such as a cell? I need to return the cell I have highlighted by a mouse click. I have as far as the cell has a boundary of white pixels enclosing it from bwperim.
The seed points below are found from the ginput command using a mouse click. So the for loop moves from this point outwards to c...

11 years ago | 1 answer | 0

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Question

I am running a for loop on a binary image, as I flag a pixel I would like to store this pixels location (x,y) in a variable that will collect all the flag points locs so I can alter them after the for loop is completed?? is there a matlab function?
the line I need help with is contained in the if statement within the nested for loop "[C,I] = find(I == (I(i,j)))" I need a lin...

11 years ago | 1 answer | 0

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Question

I have a basic level of image processing/matlab. I need to write an m file to complete skeletisation of a binary image of the word "skeleton" in white on a black background. It is to be done without using matlab functions for skeletising. thank you
Hi, I have a basic level of image processing/matlab. I need to write an m file to complete skeletisation of a binary image of th...

11 years ago | 1 answer | 0

1

answer