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# Geoffrey Schivre

##### Last seen: 8 días ago
13 total contributions since 2018

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Submitted

Multiscale Retinex
Multiscale Retinex for image enhancement.

Submitted

Hessian2Ddec
eigenvalues and eigenvectors of the Hessian of 2D matrix

Solved

Find the inverse permutation
Given a permutation vector perm (a vector of n elements containing all the elements from 1 to n in some order), return the permu...

más de 1 año ago

Submitted

Lowlights map
Correct image background using 3d visibility operators.

Memory efficient way to remove spurious edges of a skeleton?
Hello, Following your comment here : cleanSkel, I change my litle function to work on 3d images. I couldn't try it to your exa...

más de 1 año ago | 0

Submitted

cleanSkel
Remove branches in skeleton.

Submitted

SudokuSolver
Solve symetric and asymetric Sudoku.

Question

How to choose data in nested struct array using popup menu while the number of field is different in each floor of the nested struct array ?
Hello, I have data organize in a nested struct array i.e : on the first floor of this struct I have different groups of data th...

más de 1 año ago | 0 answers | 0

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Return a phrase based on a matrix entry
Hello, I'm not sure to understand well your question but if you want that matlab display your phrase if there is at least one...

casi 2 años ago | 1

How to find indices of a rectangular region inside big matrix? | Efficiently
Hello, I'm not sure if it's efficient enough but try : p = nchoosek([Row_start:Row_end,Col_start:Col_end],2); idx = uni...

casi 2 años ago | 1

Submitted

RobustDetrend
Use robustfit to detrend polynomial trend in data

How can I transform an image to match with a 2D array?
Hello, Here is how I would do it : I first start to binarize both images. To do so use the image segmenter app if you have i...

casi 2 años ago | 0

Question

What is call 'energy' in matlab SMOOTHDATA help ?
I try to figure out what is the energy of input data for the smoothdata function : 'When the window size for the smoothing metho...

casi 2 años ago | 0 answers | 0