Community Profile # kittu

26 total contributions since 2012

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how to calculate running average on multiple images in one folder
Use uigetfile to select all the images in your directory and then store in some variable. Use mean to find the average...

7 years ago | 0

compare datasets and remove not common rows
What do you mean by " I have to remove the rows that are not common"? if you mean to reduce the size of the other dataset(b) and...

7 years ago | 0

| accepted

how to define the starting point in gmmdistribution
you can generate this vector for instance by using Kmeans. <http://www.mathworks.nl/help/stats/kmeans.html>

7 years ago | 0

how to define the starting point in gmmdistribution
In your case the 'Start' should be a vector of 40 entries. These vector points define whether the corresponding pixel value is i...

7 years ago | 0

| accepted

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

8 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

8 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

8 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

8 years ago

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

8 years ago

Question

Segmenting a low contrast image
Hi, I am trying to segment a low contrast image. I have so far tried, calculating the image gradients to look at the change in ...

8 years ago | 2 answers | 0

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how to draw circle in an image?
you can draw the circle using the following code: %e %r= desired radius %x = x coordinates of the centroid %y = y coordi...

8 years ago | 1

| accepted

Question

change the range of angle for regionprops
Any idea, how can we change the range of angle for the orientation which we get from regionprops? Currently, the regionprops...

8 years ago | 1 answer | 0

### 1

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

8 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

8 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

8 years ago

Solved

Given a and b, return the sum a+b in c.

8 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

8 years ago

Question

update the filed values in a structure
Hi, i have a structure which has the number of field values depending on the blobs it identifies. But, in some the frames, i ru...

8 years ago | 1 answer | 0

### 1

Question

show identified object as a movie
Hi, I am working on tracking project. So far i am able to detect the objects in my binary image and find the x,y coordinates of...

8 years ago | 1 answer | 0

### 1

Question

fitting ellipse in connected components
Hi, I have a binary image and i have identified the connected components. Now i need to fit an ellipse in these connected comp...

8 years ago | 1 answer | 0

### 1

Question

Hi, I have a 20 minute video recording of an insect and i need to process it. Since it is the raw data,its file format is .seq....

8 years ago | 3 answers | 0

### 3

Question

VLC Plugin absent in actxcontrol
Hi, I am trying to use the VLC application in one of my project. I have installed VLC into my c:/ProgramFiles/VLC. However when...

8 years ago | 1 answer | 1

### 1

Question

Extracting the row values from various sheets of excel file using actxserver
Hi, I have an excel file with 10 sheets and data in each sheet will increase as it gets updated. The number of columns remai...

8 years ago | 1 answer | 0

### 1

Question

Find the average frame from avi file
Hi, I am supposed to find the average frame from a avi file(which has 635 frames). To find the average frame,I am trying to rea...

8 years ago | 2 answers | 0