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# raviraja

##### Last seen: 16 dagar ago
26 total contributions since 2013

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Question

How to replace a frame (rgb image) in a small video sequence ?
I want to replace a single rgb frame in a 4 sec video sequence, example i want to replace the 5th frame with my rgb image of sam...

ungefär 3 år ago | 1 answer | 0

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Question

Mark trees in an image using MATLAB
I want to mark trees present in an image. I tried many color-based segmentation methods like RGB Vector space & HSI Color Spac...

mer än 5 år ago | 1 answer | 0

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Question

how to give output file name at the time of execution in matlab..?
I am using geotiffwrite to write an image from matlab.. but i want to give output file name at the time of execution . that is...

nästan 6 år ago | 1 answer | 0

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Question

how to Read an image from command window
Is there any way to read an image from command window to matlab .m file..? that means if we give an image name in command win...

nästan 6 år ago | 1 answer | 0

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Question

Creating Circular shapes in a binary image
I want to make the white shapes as circular is there any morphological operations available in matlab..? ...

ungefär 6 år ago | 1 answer | 0

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Solved

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

mer än 6 år ago

Solved

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

mer än 6 år ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

mer än 6 år ago

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

mer än 6 år 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...

mer än 6 år ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

mer än 6 år ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mer än 6 år ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

mer än 6 år ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mer än 6 år 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...

mer än 6 år 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...

mer än 6 år ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

mer än 6 år 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 ...

mer än 6 år ago

Solved

Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

mer än 6 år ago

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...

mer än 6 år ago

Question

How to Split Large Images in to parts Using MATLAB..? ? ?
I got a satellite image of size [17935 10968] pixels,I want to cut image equally and process my required algorithm on individual...

mer än 6 år ago | 2 answers | 0

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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.

mer än 6 år 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...

mer än 6 år ago

Solved

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

mer än 6 år ago

Solved