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# Gobert

Last seen: 1 day ago Active since 2014

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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

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Question

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

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Question

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

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Question

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

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Question

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

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What is the default loss function of the U-net architecture?
The Cross-Entropy Loss is the default function

1 year ago | 0

| accepted

This command has solved the above problem mapreducer(0)

1 year ago | 0

| accepted

Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

U-Net shallow or deep?
Is U-Net "shallow" or "deep"?

2 years ago | 2 answers | 0

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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

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Question

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