Mathew Cherian Carathedathu
University of California, Irvine
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Professional Interests: image processing, computer vision, robotics
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Question
Image acquisition-skipping frames
Hello, I am working on a program that starts capturing frames whenever it receives a signal from a remote computer and stores i...
environ 12 ans il y a | 2 réponses | 0
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réponsesQuestion
Curvature and Torsion calculation of image
Hi, I have an image of an irregular 3D object. I need to calculate the normal curvature and the torsion of the image. Can any...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
How to find optimal value of variables
Hi, I am writing an image classification algorithm. I am supremely confident that my algorithm will work, atleast in theory.....
plus de 12 ans il y a | 1 réponse | 0
1
réponseA résolu
Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
plus de 12 ans il y a
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
plus de 12 ans il y a
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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
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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...
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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...
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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...
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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 ...
plus de 12 ans il y a
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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...
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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 ...
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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...
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
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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...
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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 ...
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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:...
plus de 12 ans il y a
Question
How to use kmeans for an image
Hi.. I need to apply kmeans clustering for a grayscale image (the clustering should be based on the value of the pixels and n...
plus de 12 ans il y a | 2 réponses | 0