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DIMITRIOS THEODOROPOULOS


2018년부터 활동

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k fold with all combinations
I want to create K fold tests. Concretely, i want to split my data set in 10 folders.I want to use every time 7 for training ...

5년 초과 전 | 답변 수: 0 | 0

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Choosing the right fetatures in classification
I have a classification problem .I have 5 classes and 10 features. Is there any statistical (??) method to understand which fea...

5년 초과 전 | 답변 수: 0 | 0

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Texture Classification with Wavelet Image Scattering
I use Matlab R2017a and when i try this example https://uk.mathworks.com/help/wavelet/examples/texture-classification-with-wave...

5년 초과 전 | 답변 수: 1 | 0

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Bag Of Words for Image classification
I am trying to apply the Bag Of Words for Image Classification of Bee Pollen.I am new in MATLAB and i have a major question. Fo...

5년 초과 전 | 답변 수: 0 | 0

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Overwritting problem in for loop
I simply crop images and save them with a number.For example i have Grain #1,Grain #2,Grain #3.If i move to another image and c...

5년 초과 전 | 답변 수: 1 | 0

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Save different values of the same table from a loop
I have a table which is created from a loop.Problem is that overwrites the previous table for diffrent k and I dont know how ...

거의 6년 전 | 답변 수: 1 | 0

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Split jointed bee pollens
I believe this is a difficult problem...I want to split 2 or more jointed bee pollens....I n the upper right area i use this ...

거의 6년 전 | 답변 수: 0 | 0

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Crop with imfreehand?
I dont know if my question has an answer.I have an image and crop a ROI with imcrop [cropped_image,rect]=imcrop(original_image)...

거의 6년 전 | 답변 수: 2 | 0

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Save to json problem
I create these columns from a for loop. idx are indexes eg idx=[2 3 45]. Area ,Eccentricity etc are regionprops. Each Pollen h...

거의 6년 전 | 답변 수: 1 | 0

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How to call a function from outside itself ?
Altought it is basic i cannot understand how it works in Matlab 2017.. I have 2 simple functions function y1=square(x1) y...

거의 6년 전 | 답변 수: 1 | 0

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Auto cropping of pollen
Ι want ot do the following: I have this image and i want to create ROI of a pollen automatically.If i imcrop for example a s...

거의 6년 전 | 답변 수: 1 | 0

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folder split into parts
I have a medical folder with 2 kinds of data Prostatex0000_* and Prostatex0001_* How can i split the original folder into 2 su...

거의 6년 전 | 답변 수: 1 | 0

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open nii images with matlab R2017a?
I use Matlab R2017a but i cannot open nii images with niftiread command... Do i miss something??How can i open them??

거의 6년 전 | 답변 수: 1 | 0

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How to connect GUI sliders to image analysis
Cris i copied your code and get the following error i modified the code bit in order to see the values from sliders in edit t...

거의 6년 전 | 0

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How to connect GUI sliders to image analysis
I want to instantiate this GUI The project is the analysis of bee pollen.I first load the image by the left pushbutton.There ...

거의 6년 전 | 답변 수: 4 | 0

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How to connect GUI sliders to image analysis
Ι am still very confused...I start with some default values and crop the image.I get an analyzed image.Now i use the slider to g...

거의 6년 전 | 0

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opposite result returned from charpoly
I have this matrix A=[1 1 2;1 2 1;2 1 1] and want to find the charpoly(A) The result by hand is the opposite that Matlab rerur...

거의 6년 전 | 답변 수: 0 | 0

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Use adjusted with imcontrast tool image
I dont know how to use the image which is adjusted from imcontrast tool. I take my original photo(image1) and then i turn to gr...

거의 6년 전 | 답변 수: 2 | 0

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Creating an array from a loop
I have a list idx=[1 3 5 12].Every index represents an area in separate_areas list.For example separate_areas(3)=1615. I want t...

거의 6년 전 | 답변 수: 1 | 0

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Brain MRI Tumor questions
In the project <https://www.mathworks.com/matlabcentral/fileexchange/55107-brain-mri-tumor-detection-and-classification Brain MR...

6년 초과 전 | 답변 수: 1 | 0

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Intesities included inside ROI
When i select a Roi with imfreehand ,by right-clicking mouse i can select "Copy Borders". Is there any way (without createMask...

6년 초과 전 | 답변 수: 0 | 0

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bsxfun(minus) vs normal minus
i have X=eye(3) and A=magic(3) What is the difference between *Result1*=A-X and the *Result2* with this loop for ...

6년 초과 전 | 답변 수: 2 | 0

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How i create a matrix from a nested loop?
For this simple loop for i=1:5 for j=1:5 A=[i j] end end the result i get is 25 a...

6년 초과 전 | 답변 수: 2 | 0

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