Frederik Kratzert
University of Natural Resources and Life Sciences, Vienna
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Professional Interests: Video/Image Processing
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Submitted
FD = gfd(bw,m,n) - Implementation of the Generic Fourier Descriptors
Calculates the Generic Fourier Descriptors following the Publication of D. Zhang & G. Lu (2002)
nästan 8 år ago | 2 downloads |
Submitted
centerobject(bw)
a small function that centers an object with its centroid to the center of the image
nästan 9 år ago | 2 downloads |
Question
Why does translation with imwarp + affine2d-object enlarges the object?
Hey everybody, i searched the forum for an answer but couldnt find one, so i hope oyu can help me here. I have some troub...
nästan 9 år ago | 2 answers | 0
2
answersSolved
Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
mer än 9 år ago
Submitted
multihistfit(data,nbins,varargin)
Fit multiple distributions in one figure to a dataset
mer än 9 år ago | 4 downloads |
Solved
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...
nästan 10 år ago
Solved
Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
nästan 10 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 10 år ago
Solved
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...
nästan 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 år ago
Different number of Frames, using vision.VideoFileReader and VideoReader()
Me again, so i noticed, that i forgot to look on the 116 frames obtained by VideoReader() if there are also copies inside, and ...
ungefär 10 år ago | 2
Question
Different number of Frames, using vision.VideoFileReader and VideoReader()
Hey everybody, i am currently working on a fish detection and classification software and encountered following problem: If...
ungefär 10 år ago | 1 answer | 1