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SS


Last seen: 3 days ago
35 total contributions since 2019

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Question


Image pre-processing to remove noise
Hi. Is there any image pre-propcessing technique to remove noise from binary images? Please see attached image, I want to remove...

21 days ago | 1 answer | 0

1

answer

Question


Image pre-processing to make pixels in one straight line
Hi. Is there any image pre-propcessing technique to make the pixels align in a perferct staight line (please see the attached pi...

24 days ago | 1 answer | 0

1

answer

Question


Delete some columns from structure array
Hi. I am working with a structure array S (1 X 50,000) with 10 fields in which some columns are multiuple entries ands sub-set o...

26 days ago | 1 answer | 0

1

answer

Question


Maximum line length in houghlines
Hi. Is it possible to detect the lines using houghlines conditioned on maximum line length than the minimum line length. Meaning...

28 days ago | 1 answer | 0

1

answer

Question


Multiple and false lines using houghlines
Hi. I want to apply houghtransform on the attached image (see raw image) to detect the line elements. Unfortunately, there are m...

1 month ago | 0 answers | 0

0

answers

Question


How to save statistics in the function - image processing
Hi, I am running a code on a set of binary images to calculate the positions and angles of some line elements. I have some issue...

1 month ago | 1 answer | 0

1

answer

Question


Apply adaptive histogram equalization at the bottom part of the image
Hi. I have a set of 2000 tif images of size 1024 X 1024 pixels in a folder and I want to apply histogram equalization only at th...

2 months ago | 1 answer | 0

1

answer

Question


Problems with syntax and implementation of houghlines
Hello everyone. This question is to continue with one of my previous queries https://www.mathworks.com/matlabcentral/answers/71...

3 months ago | 1 answer | 0

1

answer

Question


Line length and orientation angle of two or more intersecting lines
I am using regionprops function to find the lengths and orientation angles of some lines in binary images. There is no issue wit...

5 months ago | 1 answer | 0

1

answer

Question


Length of the structure array
Hi. I am working with a structure array S (1 X 20,000) with 3 fields. I want to count the number of S(i) that meet a condition o...

1 year ago | 1 answer | 0

1

answer

Question


Mean command gives wrong answer
Hi. I want to calculate the mean of a data and the mean command gives wrong result. Below is the code. I should get 160 but, the...

1 year ago | 3 answers | 0

3

answers

Question


Sub-plots with multiple coordinate system (y-axes)
I have a question which is an extension of a previous question: https://www.mathworks.com/matlabcentral/answers/525423-combine-t...

1 year ago | 1 answer | 0

1

answer

Question


How do I calculate the area under a curve?
I have a reading curve from some experimental observations. I want to calculate the area under the curve - between customized X ...

1 year ago | 1 answer | 0

1

answer

Question


Combine two MATLAB figures with two y axes
Hi. I have two MATLAB figures and I want to combine them together, meaning to show them on one plot. These two figures have two ...

1 year ago | 1 answer | 0

1

answer

Answered
How to delete the columns in a structure array
A similar question was asked by me in the past. https://www.mathworks.com/matlabcentral/answers/493440-delete-end-points-from-c...

1 year ago | 0

| accepted

Question


Sub-plots properties
Hi. I have 4 MATLAB figures, using them as sub-plots I want to create a new figure. These 4 figures have a larger marker size an...

1 year ago | 2 answers | 0

2

answers

Question


Multiplication of two fields in a structure array
Hi. I want to perform element wise multiplication of two fields in a struture array. The size of the fields is same throughout f...

1 year ago | 1 answer | 0

1

answer

Question


Draw horizontal lines using for loop on set of images
Hi. I have around 5000 images in a folder, the names of the images are Combined_1, Combined_2, .... Combined_5000. I want to dra...

1 year ago | 2 answers | 0

2

answers

Question


Animation of a translating and rotating rod
Hi. I want to create an animation plot of a rod moving in 3D space. I have a structure array "data" which contains (X,Y,Z) centr...

1 year ago | 0 answers | 0

0

answers

Question


Delete end points from columns in a structure array
Hello. I have a structure array S (1 x 50000) with 10 fields. The elements in the fields are column matrices (1 X M) with their...

1 year ago | 2 answers | 0

2

answers

Question


Contour plot using three vectors
Hi. I want to make a contour plot using three vectors. The vectors "x" and "y" has the X and Y coordinates/positions. The vector...

1 year ago | 2 answers | 2

2

answers

Question


Collapse contour plots on a single plot
Hi. I have two 10 contour plots with some colorbar to represent intensities. I want to combine them all together on to a single ...

1 year ago | 1 answer | 0

1

answer

Question


Contour plot of concentration of chemical species
Hi. I am releasing a chemical species CHX (N units) in a chamber. The size of the chamber is 100 X 100 X 100 cms^3. I want to pl...

1 year ago | 1 answer | 0

1

answer

Question


Iterations on field conditions of a structure array
Hi. I am working with a structure array S (1 X 50,000) with 10 fields. I want to find few paramters based on few conditions. Is ...

1 year ago | 1 answer | 1

1

answer

Question


No. of elements, mean and standard deviation of a field - conditions on other fields
Hi. I am working with a structure array S (1 X 50,000) with 10 fields. For example, Here is the input, S(1).f1=[10,70,30 40...

1 year ago | 1 answer | 0

1

answer

Question


Mean and standard deviation of a field - condition on another field
Hi. I am working with a structure array S (1 X 50,000) with 10 fields. I want to calculate the mean and standard deviation of fi...

2 years ago | 2 answers | 1

2

answers

Question


Mean based on positive and negative values of a field
I have a structure S (10000 X 1) with 10 fields. I want to calculate (two) means and standard deviations of one particluar field...

2 years ago | 1 answer | 1

1

answer

Question


Minimum and maximum values of a field in a structure array
Hi. I have a strcuture array with 10 fields. How can, I find the minumum and maximum values of a particular field f1? I tried ui...

2 years ago | 1 answer | 0

1

answer

Question


How to combine two plots into one
I am using MATLAB R2018 b. I have two plots with same x but, the limits of y axes are different. Both plots has a line and some ...

2 years ago | 1 answer | 1

1

answer

Question


How to combine two histograms
I have two different histogram plots with same axes limits. I want to combine them such that, I can make comparison between two ...

2 years ago | 1 answer | 0

1

answer

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