# David Legland

### INRA, France

Research engineer in computer sciences, more precisely image processing and applied statistics. Interested in image analysis, geometrical modelling, image registration problems, estimation in discrete images, and polyhedral reconstruction. web page: http://www.pfl-cepia.inra.fr/ (in french) See also: http://github.com/mattools/matGeom http://github.com/mattools/matImage Professional Interests: image analysis, applied statistics, geometric computing, registration

**Statistics**

RANK**867**

of 293,862

REPUTATION**84**

CONTRIBUTIONS

**0** Questions

**19** Answers

ANSWER ACCEPTANCE **
0.00%
**

VOTES RECEIVED**18**

RANK**61** of 20,052

REPUTATION**13,658**

AVERAGE RATING**4.50**

CONTRIBUTIONS**21** Files

DOWNLOADS **143**

ALL TIME DOWNLOADS**119940**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Feeds**

Submitted

matGeom

A collection of functions for 2D and 3D geometric computing.

2 months ago | 8 downloads |

how to add custom header to each file ?

As a (late) follow-up, one may mention the "tedit" contribution by Peter Bodin, that I found both simple and convenient. Based ...

2 months ago | 0

Submitted

Matlab Code Templates

A collection of functions for quickly generating pre-edited matlab files for specific use cases.

2 months ago | 1 download |

Submitted

MatStats

Management of data tables, similar to dataframe in R, with enhanced plotting facilities.

7 months ago | 11 downloads |

Submitted

KymoRod

Matlab Graphical Interface for the study of hypocotyl growth

10 months ago | 1 download |

Submitted

MatImage

A collection of functions for image processing and analysis that complement and extend the Image Processing Toolbox

1 year ago | 5 downloads |

Submitted

GenericDialog for Matlab

A simple generic dialog for Matlab, to quickly prompt a set of parameters.

1 year ago | 2 downloads |

Submitted

geom3d

Geometric computing library for 3D shapes: meshes, points, lines, planes...

2 years ago | 48 downloads |

Submitted

ImageM

Interactive GUI for Image Processing, Analysis and Vizualisation, similar to ImageJ

3 years ago | 2 downloads |

Submitted

ImageClass

An Image class for that encapsulates a multidimensional data array together with meta-data and facilitate image processing and v...

3 years ago | 2 downloads |

Submitted

imMinkowski

Measure of geometric parameters in 2D or 3D images (surface area, perimeter, Euler Number...)

3 years ago | 5 downloads |

Masking data of 4D images

Hi Gina, I suppose that you want to repeat the binary mask along the missing dimension of your 4D data, right? One possibility...

5 years ago | 0

Submitted

geom2d

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons...

5 years ago | 21 downloads |

Submitted

Geodesic distances and geodesic diameters within 2D/3D images

Propagates geodesic distances in binary or label images, and computes geodesic diameter

6 years ago | 1 download |

Submitted

Region Adjacency Graph (RAG)

Computes the graph of adjacent regions in a labeled image

7 years ago | 1 download |

how to perform ANOVA on a matrix

Hi, If you want to test whether two column have same mean or not, you can check the ttest or ttest2 functions. [h12, p12...

9 years ago | 0

how to overlay multiple images into one single image

Hi, do you mean you want all images displayed at once? One way of doing is to use the montage function. This will create ...

9 years ago | 0

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

9 years 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 ...

9 years 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...

9 years 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...

9 years ago

Solved

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.

9 years 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 ...

9 years 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 ...

9 years 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...

9 years 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:...

9 years ago