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Frederik Kratzert


University of Natural Resources and Life Sciences, Vienna

Con actividad desde 2014

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Professional Interests: Video/Image Processing

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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)

alrededor de 8 años hace | 2 descargas |

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Enviada


centerobject(bw)
a small function that centers an object with its centroid to the center of the image

más de 9 años hace | 1 descarga |

Pregunta


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...

más de 9 años hace | 2 respuestas | 0

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respuestas

Resuelto


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...

casi 10 años hace

Enviada


multihistfit(data,nbins,varargin)
Fit multiple distributions in one figure to a dataset

casi 10 años hace | 1 descarga |

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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...

más de 10 años hace

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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...

más de 10 años hace

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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...

más de 10 años hace

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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...

más de 10 años hace

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

más de 10 años hace

Resuelto


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...

más de 10 años hace

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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...

más de 10 años hace

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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 ...

más de 10 años hace

Resuelto


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...

más de 10 años hace

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

más de 10 años hace

Resuelto


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 ...

más de 10 años hace

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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...

más de 10 años hace

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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.

más de 10 años hace

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

más de 10 años hace

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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 ...

más de 10 años hace

Resuelto


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...

más de 10 años hace

Resuelto


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:...

más de 10 años hace

Respondida
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 ...

más de 10 años hace | 2

Pregunta


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...

más de 10 años hace | 1 respuesta | 1

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