# Gobert

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**Content Feed**

Question

What is the default loss function used in the U-Net implementation in MATLAB for semantic segmentation tasks?

Hi, Can you please provide A DOCUMENT that explicitly confirms what the default loss function used in the U-Net implementatio...

2 months ago | 1 answer | 0

### 1

answerQuestion

Saving multiple single vectors in one Matlab file

Hi, I need your help: Here's a simple example: A = magic(3); B = padarray(A,[1 1]); [...

8 months ago | 1 answer | 0

### 1

answerQuestion

Stochastic Geometry for Image Analysis using Matlab

Dear All, Can you help me by sharing, here, the Matlab source codes or examples of how to use the "stochastic geometry approach...

1 year ago | 0 answers | 0

### 0

answersQuestion

How do we fill this kind of gap with Matlab (without changing the size of the object)?

I need your help! I have an image A (see below - left). Can you help me with a matlab function that can produce the image B (s...

1 year ago | 1 answer | 1

### 1

answerQuestion

Fourier Transform of Gaussian Kernel in Matlab

Hi everyone, I need your help! I was reading a document on Discrete Fourier Transform and found the following example: He...

1 year ago | 2 answers | 0

### 2

answersWhat is the default loss function of the U-net architecture?

The Cross-Entropy Loss is the default function

1 year ago | 0

| accepted

Why do I get a warning While loading an object of class 'nnet.cnn.TrainingOptionsADAM' ?

This command has solved the above problem mapreducer(0)

1 year ago | 0

| accepted

Question

Why do I get a warning While loading an object of class 'nnet.cnn.TrainingOptionsADAM' ?

Dear Experts, I need your help! Can you tell me how to correct the following problem? Warning: While loading an object of clas...

1 year ago | 1 answer | 0

### 1

answerQuestion

What is the default loss function of the U-net architecture?

Hi, I need your help! What is the "default loss function" of the U-net architecture (for semantic segmentation)?

1 year ago | 1 answer | 0

### 1

answerQuestion

Is it possible to reconstruct an image from the number of pixel counts and bins information?

Happy New Year and I need your help! I have the following imhist function that yields the number of pixel counts and bin locat...

1 year ago | 2 answers | 0

### 2

answersQuestion

How can I convert the shape of one class to another using Matlab?

Hi, I have a situation that looks like this and I need your help. I want to convert/modify the "shape of the edge outline" b...

1 year ago | 3 answers | 0

### 3

answersQuestion

An m-by-n-by-1 image cannot be used as input image in the Fully Convolutional Network FCN ?

Hi, Can you help? I am trying to use the FCN (fully convolutional network) layers for semantic segmentation. Here's the functio...

1 year ago | 2 answers | 1

### 2

answersQuestion

How to save a processed video file?

Hi, I need your help! The following last line displays a video in a specific location of my GUI written in Matlab. VD(frame,su...

1 year ago | 0 answers | 0

### 0

answersQuestion

How to create grid coordinates using elements of two matrices

Can you help? I have a situation like this: How can I use the elements of the above two matrices to create a new grid coordin...

1 year ago | 2 answers | 0

### 2

answersQuestion

manually-written floor function code for rounding non-integers

Hi, I need your help. See what I get when I used edit to view the steps involved into the floor function. It is a built-in fu...

2 years ago | 3 answers | 0

### 3

answersQuestion

Extract email information from webpages/URLs using Matlab

Hi, I do need your help. When I run the code, K gives 143 empty cells. In other words, K does not contain any email. I tried t...

2 years ago | 1 answer | 0

### 1

answerQuestion

Seamlessly appending a new video at the end of an old video using Matlab

Hi, I need your help! I want to SEAMLESSLY append video2 (of 5 min) at the end of video1 (of 34 min) to create video3 (of 39 mi...

2 years ago | 0 answers | 0

### 0

answersQuestion

Reconstructing a 3D Surface from a 2D Surface using Mesh surface plot in Matlab

Hi, I am not good at this and I need your help to display a 3D RGB or true color surface from a 2D or single image surface usin...

2 years ago | 1 answer | 0

### 1

answerQuestion

U-net LayerGraph Properties in Matlab

Hi everyone! I have a small question (see below) ans = LayerGraph with properties: Layers: [...

2 years ago | 0 answers | 0

### 0

answersQuestion

The U-net training in progress plot/figure has been accidentally closed

Hi, I was doing some data training using Matlab and accidentally closed the U-net 'training in progress' plot/figure. How can ...

2 years ago | 0 answers | 0

### 0

answersQuestion

CNN Deep learning: Data size Vs Iteration per epoch

I need your help to understand why the "data size" affects the number of "iteration per epoch". See below A and B. ...

2 years ago | 0 answers | 0

### 0

answersQuestion

extract the region of interest in a color image

I would like to change image A into image B using Matlab. I only need that specific region, shown in B, located between green an...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to increase the number and size of U-net layer in Matlab?

Dear Researchers, I would like to know how to increase the number of U-net layers and size of U-net layers. With reference to t...

3 years ago | 1 answer | 0

### 1

answerQuestion

MATLAB R2018a has stopped working when I try to bring live images from a webcam into Matlab

I need your help to find a solution. I am using 'MATLAB R2018a - academic use'. When I try to bring live images from a (laptop ...

4 years ago | 1 answer | 0

### 1

answerQuestion

Bicubic interpolation direct interpolation formula Matlab source code

Can anyone help by sharing the source code of the bicubic image interpolation algorithm using/involving 'direct interpolation fo...

5 years ago | 1 answer | 1

### 1

answerQuestion

Creation of double columns whose max size is 2 x 2 from a matrix whose size is n>2 x n>2 ( e.g. with n max = 800)

I need your help. Here is an example of what I want to do: B = [1 2 3; 4 5 6; 7 8 9] [m,n] = size(B); B(m-2:m-1, n...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to find the sum of all column vectors of the elements on the kth diagonal of a square matrix in Matlab ?

Hello, sir/madam. I need your help to find a solution to the following case. n = 3; A = magic(n) B = diag(diag(A,0))...

6 years ago | 2 answers | 0

### 2

answersQuestion

Sum of array elements at 45° degree oblique dimension in Matlab

Hello everyone! I need your help! Can anyone tell me how to find the sums (in red) of magic(3) array elements at 45° degre...

6 years ago | 1 answer | 0

### 1

answerThe Bilinear Interpolation Embedded Matlab Function Vs Bilinear Interpolation 'Re-Written or Coded' Function

The following script produces the result similar to the result produced by the Matlab embedded bilinear function: function ...

7 years ago | 2

| accepted