Frederik Kratzert

University of Natural Resources and Life Sciences, Vienna

Aktiv seit 2014

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Professional Interests: Video/Image Processing

Statistik

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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)

etwa 10 Jahre vor | 2063 Downloads |

5.0 / 5

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

etwa 11 Jahre vor | 774 Downloads |

5.0 / 5

Frage

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...

etwa 11 Jahre vor | 2 Antworten | 0

2

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Gelöst

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...

fast 12 Jahre vor

Gesendet

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

fast 12 Jahre vor | 574 Downloads |

5.0 / 5

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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 ...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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

etwa 12 Jahre vor

Gelöst

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 ...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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

etwa 12 Jahre vor

Gelöst

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

etwa 12 Jahre vor

Gelöst

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 ...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

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:...

etwa 12 Jahre vor

Beantwortet
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 ...

mehr als 12 Jahre vor | 2

Frage

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...

mehr als 12 Jahre vor | 1 Antwort | 1

1

Antwort