Jan Motl

Last seen: oltre un anno fa | Attivo dal 2013

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Inviato

LDL matrix factorization
Decomposition of a matrix into lower triangular matrix L and diagonal matrix D

circa 3 anni fa | 6 download |

Inviato

Stratified cross-validation for multi-label data sets
Greedily assign samples into folds based on their labels

oltre 3 anni fa | 1 download |

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Squared Euclidean distance on heterogeneous data
Element-by-element distance between two tables with a mix of nominal and numerical variables

oltre 3 anni fa | 3 download |

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Distribution-balanced stratified cross-validation
An improvement to stratified cross-validation for small imbalanced data sets.

oltre 3 anni fa | 2 download |

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Stratified matrix sampling
Random matrix sampling, which is stratified by rows and columns

oltre 3 anni fa | 2 download |

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Sequential sign test
A non-parametric test, which terminates, once the results become significant

circa 4 anni fa | 1 download |

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Cholesky decomposition
In place matrix factorization

circa 4 anni fa | 3 download |

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Laplacian Corrected Modified Naive Bayes
Fast linear classifier for nominal data

oltre 4 anni fa | 1 download |

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Average Filter
Average filter performs image smoothing with integral image method.

circa 5 anni fa | 3 download |

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Magic kernel resizing
The “magic kernel” is a method of resampling images that gives clear results free of artifacts.

circa 5 anni fa | 1 download |

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Sobel filter of predefined size
The function returns Sobel filter of predefined size.

circa 5 anni fa | 3 download |

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Normalized Discounted Cumulative Gain (NDCG)
Returns the Normalized Discounted Cumulative Gain

circa 5 anni fa | 2 download |

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Network Meta-Analysis
Performs a network meta-analysis

circa 7 anni fa | 4 download |

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Get all topological sorting arangements
Generates all topological sorting arangements

circa 7 anni fa | 1 download |

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Topological sort
Performs topological sort of a directed graph

circa 7 anni fa | 1 download |

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Bradley local image thresholding
A fast an well performing local image thresholding method.

circa 8 anni fa | 4 download |

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Rotate an image around a point
Performs rotation of an image around any point inside of the image.

oltre 8 anni fa | 17 download |

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Bernsen local image thresholding
Implementation of Bernsen's thresholding method.

oltre 8 anni fa | 4 download |

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Remove ghosts from binarized images
This method removes speckles in the binarized images.

circa 9 anni fa | 1 download |

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Nick local image thresholding
Nick's binarization performs local image thresholding.

circa 10 anni fa | 3 download |

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Wolf local image thresholding
Wolf's binarization performs local image thresholding.

circa 10 anni fa | 3 download |

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Meanthresh local image thresholding
Meanthresh performs a simple local image thresholding.

circa 10 anni fa | 3 download |

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Feng local image thresholding
Feng binarization method is well suited for ill illuminated or stained documents.

circa 10 anni fa | 2 download |

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Standard deviation filter
Standard deviation filter for images based on integral images.

circa 10 anni fa | 2 download |

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Niblack local thresholding
A traditional local image thresholding.

circa 10 anni fa | 5 download |

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Sauvola local image thresholding
Sauvola binarization method is well suited for ill illuminated or stained documents.

circa 10 anni fa | 8 download |

Inviato

Straighten image
The function finds the document orientation.

circa 10 anni fa | 4 download |

Risolto

Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

circa 10 anni fa

Risolto

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

circa 10 anni fa

Risolto

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.

circa 10 anni fa

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Jan Motl

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