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# Elysi Cochin

Last seen: 2 days ago Active since 2012

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Compute performance measures from neural network
How to compute Coefficient of Determination - R^2 Root Mean Squared Error - RMSE Mean Absolute Percentage Error - MAPE from...

23 days ago | 1 answer | 0

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Find all unique values and replace it with new values
I have a vector with values v = [0.23; 0.1; 0.33; 0.23 ; 0.33; 0.6; 0.6; 0.4]; I would like to find the unique values and repl...

25 days ago | 3 answers | 0

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Display string line by line
str = {'cats', 'dogs', 'birds'}; how to display the above string in command window as cats dogs birds

28 days ago | 1 answer | 0

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count the number of unique elements
I have a matrix with 2 rows 23 columns M = [3,2,3,3,2,3,3,2,4,3,3,3,1,1,1,3,4,4,3,5,5,3,3;1,1,1,1,1,1,1,1,1,2,2,2,3,3,4,4,4,4,5...

28 days ago | 1 answer | 0

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how to plot histogram
I wanted to plot the histogram of the attached data with number of bins = 42 When i use figure, imhist(HRGB,42) I get just 2...

29 days ago | 1 answer | 0

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replace RGB values with new values
How to change the pixel values of a RGB image to % if pixel value is in the following range 0-64 to 0 65-128 to 1 129-192...

1 month ago | 1 answer | 0

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How to do the computation using fuzzy logic
How to do the below computation using fuzzy logic?

1 month ago | 1 answer | 0

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replace matrix A with the values of another matrix B
Having a matrix A as attached, how to replace all those 1 in A with the values in matrix B, so that i get a new matrix as newA ...

2 months ago | 2 answers | 0

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Create new matrices based on the number of unique values
having a matrix M = [4 7 2; 2 4 7; 2 2 4]; M = 4 7 2 2 4 7 2 2 4 based on the number of uniqu...

2 months ago | 2 answers | 0

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Question

Computing Euclidean distance between 2 points
I found a code computing Euclidean distance as diff = q - p; dist = sqrt(diff * diff'); is there any difference from the stan...

2 months ago | 2 answers | 0

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Question

Find time between 2 given time
I wanted to get date and time separately, from the system time t t = datetime('now') Then, I wanted to find if the system tim...

2 months ago | 3 answers | 0

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Check if a binary image is within a particular binary area
I have a binary image BW_large, and another binary image BW_small How do I check if BW_small is within BW_large?

2 months ago | 2 answers | 0

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DIvide an area into sectors
I have a xy-coordinate say (350,339), I wanted to divide the area of size 640x640 centered at the xy-coordinate into 8 sectors (...

2 months ago | 2 answers | 0

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Question

solve a fuzzy logic problem
I have to use fuzzy to find the likelihood of a fire in a car based on the following conditions, The judgment set are as follo...

3 months ago | 1 answer | 0

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plot graph based on given values
I have attached the data of cell count of different type of cells. The cell count of one type cell is given in each sheets . B...

3 months ago | 2 answers | 0

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create a new variable based on excel sheet values
I wanted to import data from excel spread sheets from multiple sheets. So i used a loop [~,sheet_name]=xlsfinfo('filename.xlsx'...

3 months ago | 1 answer | 0

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How to display a 2D square as a 3D cube
How can i display the attached 2D square input as a 3D cube from? I used the same image in all slice. But the display is not cl...

3 months ago | 1 answer | 0

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Question

Segment the foreground from the background
How can i segment foreground and background from the attached images? When i do threshold method the nucleus (marked in red) and...

5 months ago | 1 answer | 0

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Question

Object Segmentation using SegCaps
Does anybody know any reference to MATLAB source code of "Capsules for Object Segmentation (SegCaps)" Which language is better ...

5 months ago | 1 answer | 0

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Question

How to create a binary mask
The attached images are my adaptive threshold output. When i use imbinarise, i get completely black pixels. Please can someone h...

6 months ago | 2 answers | 0

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Question

find minimum from cell array
Find the minimum from the column named COL2 in the excel and get its corresponding value from COL1 for each M1, M2 and M3

8 months ago | 1 answer | 0

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zero pad array to multiple of 8
I have array of size A = 429x400, i wanted to pad that array to multiple of 8 such that it becomes A_padded = 432 x 400 Another...

9 months ago | 1 answer | 0

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create new images by resizing the images in a folder
i have a folder of 7 images i wanted to read each image one by one and create new images of different sizes, till i have 100 to...

10 months ago | 1 answer | 0

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Question

Intersecting and non-intersecting box regions
Having a set of bounding box values [x y width height] , how can i find the number of bounding box that gets intersected and tha...

12 months ago | 3 answers | 0

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Replace specific rectangular regions with ones
I wanted to fill the rectangular positions in bbox (values attached in order - [x y width height]) with ones. I tried the below...

12 months ago | 1 answer | 0

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Create a mask of a rectangular region
How to create a mask of a rectangular region?

12 months ago | 1 answer | 0

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Question

What does regression value in neural networks denote
What does the R value of Training, Validation, Testing and All denote, in the below plots When i compute accuracy using classpe...

1 year ago | 1 answer | 0

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Question

plot arc that pass through a particular point
I have attached my (x,y,z) coordinate values And i plot these values using the below code load XYZ for i = 1 : size(XX,2) ...

1 year ago | 1 answer | 0

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Question

How to smoothen curves?
I have attached my data values I plot it using the below code load data x = data(:,1); y = data(:,2:end); figure(2), plot(x...

1 year ago | 2 answers | 0