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Matlab taking forever to give a simple result - something that java does in seconds

I am trying to do encryption in Matlab using Paillier, I found online implementation in Java, since I know matlab and am very ba...

4 years ago | 1 answer | 0

### 1

answerQuestion

Modulus of a negative exponent in matlab?

I am basically trying to perform euclidean distance calculation in the encrypted domain (Paillier encryption). Using the homomor...

4 years ago | 2 answers | 0

### 2

answersQuestion

Converting some Java code to Matlab

Hi, I need some help in converting some java code to Matlab. I have absolutely no knowledge of java and hope anyone here with...

4 years ago | 0 answers | 0

### 0

answersQuestion

[Help in Formula implementation] Why am I getting a float value when a integer value is expected?

I'm trying to implement the Paillier cryptosystem in Matlab using the key generation guidance available here: <https://en.wikipe...

4 years ago | 1 answer | 0

### 1

answerQuestion

Parallel Loop cannot run because of a temporrary variable

I have a script that extracts 3DSIFT descriptors from a video clip. The problem is that due to the large number of keypoints it ...

5 years ago | 1 answer | 0

### 1

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Changing the radius of the LTP feature extractor in this code

Hi, Ive downloaded the following code for extracting the LTP of an image for classification. The code extracts the LTP code i...

5 years ago | 0 answers | 0

### 0

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How can I visually show that using fixed min and max for histograms is better?

I'm classifying people based on biometric features extracted. I thought that it would be best to represent these features in a h...

5 years ago | 0 answers | 0

### 0

answersQuestion

Is there any way to change variable to string for the save function?

So I have many instances of Matlab running on the same drive. Every instance will calculate some result and then save it based o...

6 years ago | 3 answers | 0

### 3

answersQuestion

How to select the components that show the most variance in PCA

I have a huge data set that I need for training (32000*2500). This seems to be too much for my classifier. So I decided to do so...

6 years ago | 4 answers | 4

### 4

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Is it possible to find the confidence level of classifier scores?

I have a writer recognition system that gives back an NLL (Negative Least Likelihood) score for a test sample against every trai...

6 years ago | 0 answers | 0

### 0

answersQuestion

How to detect objects in an image based on colour?

I am using a handwriting database for writer recognition. I'm using the QUWI database, it has a sample of an original image and ...

7 years ago | 1 answer | 0

### 1

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Understanding Gaussian Mixture Models

I'm trying to understand GMM by reading the sources available online. I have achieved clustering using K-Means and was seeing ho...

8 years ago | 0 answers | 0

### 0

answersQuestion

Dividing up a word into letters based on the coordinates already present?

I was able to detect the letters in an Arabic word and record/save its coordinates. The word or image in question is: <</m...

8 years ago | 1 answer | 0

### 1

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How to detect the circle-ish shape in an image

I have this image: <</matlabcentral/answers/uploaded_files/15364/frsd.jpg>> And I wanted to detect the circle shape fr...

8 years ago | 1 answer | 0

### 1

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How to combine the process of object recognition/detcetion from start to finish?

I'm teaching myself machine learning. Using online courses In have understood the concept of linear regression, logistic regress...

8 years ago | 2 answers | 1

### 2

answersQuestion

Which machine learning algorithm should I use to identify these sections?

I'm looking to identify the part I marked in red (this part is written with many variations but the structure remains the same, ...

8 years ago | 1 answer | 0

### 1

answerQuestion

How to avoid the information loss of image conversion from uint8 to logical and then back to uint8?

For example consider the image below, it is a jpeg in unint8 format. <</matlabcentral/answers/uploaded_files/11190/Writer1_03...

8 years ago | 2 answers | 0

### 2

answersQuestion

How do I identify close matched regions from this vector?

Hello, I have this 1D vector: <http://pastebin.com/UiSkJ7Da posted in Pastebin> . Just by looking at it I can tell that I...

8 years ago | 2 answers | 0

### 2

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Why is the entire image copied instead of the axes only?

What I have is a plot showing the area of connected components. What I want to do is to further work on the plot figure such as ...

8 years ago | 1 answer | 0

### 1

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How to correctly read the data from an image .dat file?

I have a .dat file created by a C++ code segment. The format of the dat file is as per these guidelines: <http://users.iit.demok...

8 years ago | 1 answer | 0

### 1

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How to automatically get the area values from a plot (axis values?)?

Hello, I have a plot figure which consists of 'blobs'. Each blob represents the area of a single character of the image on wh...

8 years ago | 1 answer | 0