Walaa

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The explanation of each step in ellipse fitting code
thanks you

plus de 2 ans il y a | 0

Question

The explanation of each step in ellipse fitting code
I need help understanding each line of this code. % Calculate centroid, orientation and major/minor axis length of the ellipse ...

plus de 2 ans il y a | 2 réponses | 0

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how can I save the output data of each run in new row ?
how can I save the output data of each run in new row ? I used append but it just overwrites the old values

presque 3 ans il y a | 2 réponses | 0

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about displaying cup and disc diameter
I want to display the cup and disc diameters as shown in the image below. I've already drawn the boundaries of the cup and disc....

environ 3 ans il y a | 1 réponse | 0

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how to solve not enough input argument error?
I am getting this error while trying to run the code below Error using / Not enough input arguments. Error in filex(line 24...

environ 3 ans il y a | 1 réponse | 0

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how to solve an error using uiwait?
I get these errors using uiwait . how could i solve that ? Error using uiwait (line 48) Input argument must be of type figure ...

environ 3 ans il y a | 1 réponse | 0

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how to get better preprocessing results
I'm using the steps in the code below as preprocessing steps before cup and disc segmentation of a retinal image. any advices fo...

environ 3 ans il y a | 1 réponse | 0

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using less than operator and combination of if and for statement
I'm trying to use the less than operator and getting the following error (for vertical Height 102 Error: Invalid operator use). ...

environ 3 ans il y a | 2 réponses | 0

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measure height of object in millimeter
If I have these details (FOV, distance between the object and the lens, object height in pixels), is it possible to measure the ...

environ 3 ans il y a | 1 réponse | 0

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change the color of line inside the boundaries and measure length of this part of line?
Could you kindly help me in changing the colour of the line inside the red borders to green and measuring the length of this par...

environ 3 ans il y a | 1 réponse | 0

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extend line to the facing side of a border
I measured and plotted the shortest distance between the two borders as a yellow line. How could I extend that line to the outer...

environ 3 ans il y a | 1 réponse | 0

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minimum distance between 2 objects
I plotted boundries with bwboundries and smoothed them with the sgolay filter then plotted these boundries over RGB image. Coul...

environ 3 ans il y a | 2 réponses | 0

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how can i separate each color into a single image?
I used imsegK-means and superpixel for color classification . How can I separate each cluster into a single image ? %superpixe...

environ 3 ans il y a | 1 réponse | 0

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extraction of the bright blob
I want to segment the bright blob and measure its major axis .

environ 3 ans il y a | 1 réponse | 0

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measure diameter starting with a certain point
I used the code suggested by @Image Analyst to calculate the shortest distance between the boundaries. Now I need to measure the...

environ 3 ans il y a | 1 réponse | 0

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insert object mask function
The insertObjectMask function is not functional in the R2019b version. I think because it was first introduced in the R2020b . I...

environ 3 ans il y a | 1 réponse | 0

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get rid unwanted dots
I'd like to get rid of the tiny colored dots that conceal the red lines. Kindly help if you can.

environ 3 ans il y a | 1 réponse | 0

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locate a perfect circular boundary of a segmented region
%segementation of cup using active counter(snakes) I = imread('after opening 1.jpg'); %-- load the image m = zeros(size(I,1),...

environ 3 ans il y a | 1 réponse | 0

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define boundaries and merge two objects
I have these both segemented objects and I want to define their boundaries by drawing a perfect circle after that I want to m...

environ 3 ans il y a | 1 réponse | 0

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Height of circular shape
I have these two images and I want a code that can be used to determine the height of these nearly circular region can anyon...

plus de 3 ans il y a | 2 réponses | 0

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i want to extract a disc
That is a retinal image , I used active counters to segement the cup and it worked but it does not work with disc . any advice...

plus de 3 ans il y a | 1 réponse | 0

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why active contour always produce an error?
I am using this code to segement a grayscale image and produces an error in activecontour([A, mask, N, method, smoothfactor,con...

plus de 3 ans il y a | 1 réponse | 0

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