Question

Draw arc with specified angle difference
Having 2 datas as attached in Data.mat, how to draw arc with a specified angle difference (angle difference can vary say 15, 30 ...

1 year ago | 3 answers | 0

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Question

edge pixel frequency of image
How is edge pixel frequency of an image found?

1 year ago | 1 answer | 0

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Question

extract 64 lowest frequency components of fft
How to extract 64 lowest frequency components using fourier transform of an image fft2 or fftn which function to use, and how t...

1 year ago | 1 answer | 0

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Question

pad matrix to a particular size
I have a matrix M of size m x n m and n may or may not be equal - M can be rectangular or square matrix - where m and n are le...

1 year ago | 2 answers | 0

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Question

Give title for Table
Is it possible to give title for a table i have displayed as below If i wanted to give a title 'My Table', how to give it? Det...

1 year ago | 3 answers | 0

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Question

why does dimension of input variable change in ode45
i wanted to compute ode45 with the following input ABCD = [3453151,3880795,334228,236989;3527618,3939199,341859,245399;... ...

1 year ago | 1 answer | 0

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Question

delete zeros in cell array
i have a cell_array with values cellarr = {'b','a','a','a','b';0,'c',0,'b',[];0,'a',0,'d',0;'a','a','b',[],[]}; i wanted to d...

1 year ago | 1 answer | 0

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Question

find the row and column value of a specific value in cell array
i have a cell array with values cellarr = {'a','b','c',3,5;'b',5,'a',[],[];'a','c',3,'a',4;'b','a','c','c',3}; i wanted to f...

1 year ago | 1 answer | 0

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Question

find the object closest to the center
i did adaptive threshold and got the output as below for 3 different inputs Now, i wanted to keep only regions marked 1 and 2...

1 year ago | 2 answers | 1

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Question

how to change the e+00 format
on computation i get a vector value as below index = [7.8651e+04;177445] because of the e+04 format, on further computation i ...

1 year ago | 2 answers | 0

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Question

Read images from a folder in a particular order
I have a folder, and subfolder of images in it. When i read images it comes in the order 1, 10, 11, 12...etc, instead of 1, 2, ...

1 year ago | 1 answer | 0

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Question

how to compute derivative
having all the values in the above equation, is the below code correct for dE(t)/d(t) computation? dEt = beta * (1 - sigma) *...

1 year ago | 1 answer | 0

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Question

How to stop execution of a program through code?
When i execute a program, if the execution exceeds 2 minutes, i wanted to stop the execution through code. What should i do to c...

1 year ago | 1 answer | 0

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Question

write a row from excel to a text file
How can i write a string row ( not English ) from excel to notepad or wordpad. Is it possible in Matlab? I have attached a samp...

1 year ago | 1 answer | 0

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Question

How to mirror pad a matrix
How to do mirror padding to the matrix I = [ 1 6 3 3 4 5 1 2 2 5 7 2 2 2 6 2 4 4 6 8 3 5 3 8 5 3 3 4 5 2 2 7 6 5 2 2 7 6 2...

1 year ago | 2 answers | 0

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Question

How to change all the colours in the image to black
how to change all the colours in the image to black except the white colour in image?

1 year ago | 2 answers | 0

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Question

How to find what percentage of image an object covers
From the given image, how can i find the percentage of cells covers the image or in other words what percentage of cell covers t...

1 year ago | 1 answer | 0

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Question

How to preserve edges when rotating images
How can i make sure that my images dont cut off when using rotation in image augmentation imageAugmenter = imageDataAugmenter('...

1 year ago | 1 answer | 0

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Question

How create desired number of images in the folder
How to augment a folder of images? Suppose i have 7 images in a folder, i wanted to augment these 7 images and create a total o...

1 year ago | 1 answer | 0

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Question

how can i get the regression values into a variable in neural network
When we fit-data-with-a-neural-network, we can get the regression graph, when we click the Regression button in the nntool windo...

1 year ago | 1 answer | 0

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Question

What does the equation do in the 2 images to combine it to one image
Please can someone explain what happens in the below code cb and cr are chrominance in red and blue channels bmean and rmean ...

2 years ago | 1 answer | 0

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Question

Find the coordinates nearest to the center coordinate of a patch in an image
i have an image of size [512 512], and xy coordinates values, which have been found on the whole image. (I have attached an exam...

2 years ago | 2 answers | 0

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Question

how to check if (x,y) coordinates fall within another (x,y) coordinate
i have the x,y,w,h --> [x position, y position ,width and height] of the two black boxes and the red boxes inside the black boxe...

2 years ago | 1 answer | 0

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Question

Blob segmentation and writing it to folder
i have segmented few blobs using the below code ccnt = 1; for blob = 1 : n thisBoundingBox = measurements(blob).BoundingB...

2 years ago | 1 answer | 0

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Question

draw bounding box around a character
The code i used is Ch = bw(boundrow(1):boundrow(end),boundcol(1):boundcol(end)); i'll get the character into the variable Ch ...

2 years ago | 1 answer | 0

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Question

write an image file
i have a image im of uint16 datatype figure(1), imshow(im) figure(2), imshow(uint8(im)) figure(3), imshow(im,[]) all the abo...

2 years ago | 1 answer | 0

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Question

find the next row of an element in a matrix
i have vector v v = [4,5;1,2;1,3;1,4;2,6;5,7;4,7;3,4;1,5;2,3;7,9;3,5;8,9;1,6;8 10;5,9;2,4;6,9;2,5;1,7;4,9;3,7;2,8;7,8;4,6;1,9;3...

2 years ago | 1 answer | 0

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Question

find different combinations of splitting a vector
having a vector V, how can i find the different ways to split this vector v into subvectors such that the sum of each subvector ...

2 years ago | 1 answer | 0

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How to display units with my answer?
fprintf('%g kg\n', y)

2 years ago | 1

| accepted

Question

Sort matrix to get the row and column position of sorted matrix
how should i sort the matrix M = [0,15,14,13,10,7,4,1,2; 0,0,9,6,4,12,1,3,1; 0,0,0,10,8,5,3,1,2; 0,0,0,0,17,2,11,1,4; 0,0,0...

2 years ago | 1 answer | 0