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raviraja


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...

mer än 2 år ago | 1 answer | 0

1

answer

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...

nästan 5 år ago | 1 answer | 0

1

answer

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...

mer än 5 år ago | 1 answer | 0

1

answer

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...

mer än 5 år ago | 1 answer | 0

1

answer

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..? ...

mer än 5 år ago | 1 answer | 0

1

answer

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...

nästan 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...

nästan 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...

nästan 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...

nästan 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...

nästan 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...

nästan 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 ...

nästan 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...

nästan 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.

nästan 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...

nästan 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...

nästan 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 ...

nästan 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 ...

nästan 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...

nästan 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...

nästan 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...

nästan 6 år ago | 2 answers | 0

2

answers

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.

nästan 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...

nästan 6 år ago

Solved


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

nästan 6 år ago

Solved


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

nästan 6 år 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:...

nästan 6 år ago