# Zara Khan

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**Feeds**

Question

How to mark threshold value in image histogram?

My input is gray scale image. After drawing histogram of that image i want to mark the threshold value in the histogram using an...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to separate hand region after using multi-otsu's thresholding?

The attached image is the output after appling multi-otsu's thrsholding using 2 threshold value. How can I separate the hand reg...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to check that an image having bimodal or multimodal distribution in histogram?

If I am having some gray scale input images then how from the histogram plots we can analyze that the histogram having bimodal o...

2 years ago | 0 answers | 0

### 0

answersHow to remove unwanted portion from background?

clc; clear all; close all im=imread('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1109360/img_4.png'); ...

2 years ago | 0

Question

How to read images sequentially from a folder?

sourcefolder = 'E:\images'; filepattern = fullfile(sourcefolder, '*.png'); outputfolder = 'E:\images2'; srcFiles =...

2 years ago | 3 answers | 0

### 3

answersSemantic segmentation for grayscale image

It may be that my implementation is not right. I just checked. And asked whether I am doing the right thing

2 years ago | 0

Question

Semantic segmentation for grayscale image

How can implement semantic segmentation for gray scale image? How to train that network?

2 years ago | 2 answers | 0

### 2

answersHow to implement Multi-Otsu Thresholding in matlab?

Is this same ? How can I plot that histogram here?

2 years ago | 0

Question

How to implement Multi-Otsu Thresholding in matlab?

https://scikit-image.org/docs/stable/auto_examples/segmentation/plot_multiotsu.html how can implement this multi-otsu thresho...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to save Histogram of Multiple Images

clc; clear all; close all folder = 'E:\input'; filepattern = fullfile(folder, '*.png'); srcFiles = dir(filepattern); numImag...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to remove unwanted portion from background?

Ostu's thresholding method is good and easy. For some images it clearly idetified the object in interest, but some other images ...

3 years ago | 5 answers | 0

### 5

answersQuestion

How can I segment depth images

I have read depth imges and converted them into grayscale. Now how to segment the hand region properly.

3 years ago | 1 answer | 0

### 1

answerQuestion

How to remove unwanted areas from binary image ?

I want to remove unwanted portion from the binary image to get a clear hand image .

3 years ago | 2 answers | 0

### 2

answersQuestion

How can increase a binary image in size by padding ?

I want to pad some zeros at every side of an binary image to make it an image of larger size.

3 years ago | 1 answer | 0

### 1

answerQuestion

How can break a 1D array to matrix?

I have a 1D array of length 153600 X 1. I want to break this array into 320 X 240 matrix how to do that . Value in the 1D array ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to substract hand only from the input rgb images?

I want to remove the background by white and only want to keep the hand palm. how to do that ? The rgb image has been attached. ...

4 years ago | 2 answers | 0

### 2

answersQuestion

How can I calculate centroid to contour distance for an binary image every after 10 degree?

After finding out the centroid I want to draw lines from centroid to contour every after 10 degree. Then want to calculate the d...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to get the coordinates of two points?

centroidColumn = int32(measurements.Centroid(1)); centroidRow = int32(measurements.Centroid(2)); middleColumn = binaryImag...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to divide a distance into some equal parts?

Suppose there are two points (x1,y1) and (x2,y2). I am finding out the distance between these two points. Diving the distance in...

4 years ago | 2 answers | 0

### 2

answersQuestion

How to make image background white?

I have a binary image. I want to make the background white keeping the black straight lines intact.I mean those lines which inte...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to find out distance between centroid and the largest circle that crossing the image object?

I have drawn circles over image object using plot function. Here centroid is center. I want find out the distance bewteen the ce...

5 years ago | 0 answers | 0

### 0

answersQuestion

How can I pad some zero to increase the size of a binary image ?

I have a binary image . I want to add some zero with the image to make it icrease in size. Specially I want to increase the widt...

5 years ago | 0 answers | 0

### 0

answersQuestion

How can read a particular file pattern and store it in the same pattern?

My folder consists of 1000 images. File names are of pattern P1_G1_1,P1_G1_2,.................P1_G1_10 P1_G2_1....................

5 years ago | 1 answer | 0

### 1

answerQuestion

How can I solve this centroid related problem ?

I have a binary image. I want to consider the upper portion of the centroid only. Then for a particular length I want to conside...

5 years ago | 1 answer | 0

### 1

answerQuestion

How can I loop over a binary image to get 4 equal quadrants always?

I am following this steps to get 4 equal quadrants from a binary image: r1=q1(1:size(q1,1)/2,1:size(q1,2)/2,:); r2=q1(size(q1,...

5 years ago | 2 answers | 0

### 2

answersQuestion

How I can repeatedly divide a binary image ?

I want to divide a binary image into 4 equal parts first. Then each parts again to 4 parts and so on. I want to repeat this work...

5 years ago | 3 answers | 0

### 3

answersQuestion

Can I divide a linear array by a number which larger than its size ?

I am having a cell array. Each element of the cell array is a linear array . These arrays are of different sizes. when diving ea...

5 years ago | 2 answers | 0

### 2

answersQuestion

How can I remove few parts of circle perimeter?

I have drawn few circles using plot function. How can remove few parts of circle perimeter? The concept is that circle perimter ...

5 years ago | 1 answer | 0

### 1

answerQuestion

How can I remove few parts of circle perimeter?

I have drawn few circles using plot function like fig1. Now I want to get output like fig2. In fig2 I have tried to show my desi...

5 years ago | 0 answers | 0

### 0

answersQuestion

How can I make each cell array consistent in length?

In a cell array each element is 1Xlength. This length is not equal. I want to get the maximum length and then want to make each ...

5 years ago | 4 answers | 0