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# joynob ahmed

##### Last seen: 22 días ago
16 total contributions since 2019

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Question

How to compare a matrix and make decision on it?
I want to compare the component of a matrix so that if all the component is zero it will give value=0 and if any one component i...

24 días ago | 1 answer | 0

### 1

Question

How to find out if a curve passes through zero and goes from positive to negative value?
Hi.I have divided this curve: into 8 region where the points of 1st 1/8 portion is in x=1,2nd portion in x=2 etc like this: ...

28 días ago | 1 answer | 0

### 1

Question

How to find local maximums from this graph?
Hi. I am working with border irregularity. For this,I have found this curve and divided the curve into 8 regions by using this c...

28 días ago | 0 answers | 0

### 0

Question

How to divide a graph into 8 equal region and assign a number for each region?
I am working with border irregularity. For this I have got upto this curve: Now I want to divide it into 8 regions like ...

alrededor de 1 mes ago | 1 answer | 0

### 1

Question

How to divide a curve into 8 equal region along x axis?
Hi. I am working with border irregularity. For this I have determined the irregularities in the curve. Here the 'stars' indicate...

alrededor de 2 meses ago | 2 answers | 0

### 2

Question

What does this error- ''Out of range subscript'' mean during using sub2ind?
Hi! I am working with border irregularity. In my code I had to find out the diagonals of a box. In single code it works but when...

alrededor de 2 meses ago | 0 answers | 0

### 0

Question

How to calculate local maximum point from a derivative of a function?
Hi. I am working with border irregularity of lesion. So I have determined the derivative of the border irregularity function to ...

2 meses ago | 2 answers | 0

### 2

Question

How can I get the difference between two region triangle wise?
I have found the boundary of the blob and the bounding box.Then I have added the centroid to the vertices of the box.Now I am tr...

3 meses ago | 1 answer | 0

### 1

Question

Can I use regionprops for two different image for finding same feature in same code?
I want to find centroid for a lesion.But I have found this in previous line of this code.So it shows me some error like 'Expecte...

4 meses ago | 1 answer | 0

### 1

Question

How to divide a rectangle into 4 regions?
I want to find the boundary pixels lying on the lines connecting the center of the mass with the vertices. These four points mak...

4 meses ago | 0 answers | 0

### 0

Question

how to detect border irregularity?
I have traced exterior boundaries of this region. now i want to have boundary box and centre of mass around it. How can I do thi...

5 meses ago | 1 answer | 0

### 1

Question

how to draw ellipse in image processing for finding border irregularity?
hi,i am working for image prcessing to find melanoma.for this,i have to find out the border irregularity.So i needed the cpde fo...

5 meses ago | 2 answers | 0

### 2

Question

how to find border irregularity of skin lesion?
I have determined other features of skin lesion except this. Please help me out with this feature extraction

5 meses ago | 1 answer | 0

### 1

Question

How to find asymmetry in the skin lesion?
I have done the segmentation part of images.Now I have to find the asymmetry.can anyone give me the code for finding asymmetry a...

6 meses ago | 0 answers | 0