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/dlegland/matGeom

http://github.com/dlegland/matImage

Professional Interests: image analysis, applied statistics, geometric computing, registration

Submitted

Geometric measures in 2D/3D images

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

1 month ago | 37 downloads |

Submitted

Image_M

Interactive Image Processing and Analysis, similar to ImageJ

1 month ago | 72 downloads |

Submitted

geom2d

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

3 months ago | 191 downloads |

Submitted

geom3d

Library to handle 3D geometric primitives: create, intersect, display, and make basic computations

9 months ago | 256 downloads |

Submitted

Image chamfer distances and geodesic diameter

Propagates geodesic distances in binary images, and compute geodesic diameter

11 months ago | 11 downloads |

Answered

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...

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...

1 year ago | 0

Answered

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 ...

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 ...

1 year 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...

1 year 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 ...

1 year 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...

1 year 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...

1 year 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.

1 year 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 ...

1 year 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 ...

1 year 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...

1 year 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:...

1 year ago

Solved

Determine if input is odd

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

1 year ago

Answered

How can I iterate through a list of files using dlmread()?

Hi, The problem comes from you ask Matlab to open the file called 'file1', not the file whose name is stored in the variable ...

How can I iterate through a list of files using dlmread()?

Hi, The problem comes from you ask Matlab to open the file called 'file1', not the file whose name is stored in the variable ...

1 year ago | 0

| accepted

Solved

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...

2 years ago

Submitted

Feret diameter and oriented box

Compute Feret diameters and oriented bounding box from label image

2 years ago | 10 downloads |

Submitted

Table class

A class for handling data tables together with row and column labels

2 years ago | 4 downloads |

Submitted

Correlation circles

Display correlation matrix using colored circles

3 years ago | 9 downloads |

Answered

how to read 3-D medical image

Hi, there are plenty of contributions on the file exchange. In particular a contribution called "Read medical data 3D"... <...

how to read 3-D medical image

Hi, there are plenty of contributions on the file exchange. In particular a contribution called "Read medical data 3D"... <...

3 years ago | 0

| accepted

Answered

How to find distance in binary image?

Hi maria, If you consider a label image (one label for each line), you can call "bwdist" function for each label "i". Then, for...

How to find distance in binary image?

Hi maria, If you consider a label image (one label for each line), you can call "bwdist" function for each label "i". Then, for...

3 years ago | 0

Answered

How does this function "regionprops" to find the orientation of any object?

Hi Marian, the code is in the regionprops function, you can access it via "edit regionprops", and checking the "ComputeEllips...

How does this function "regionprops" to find the orientation of any object?

Hi Marian, the code is in the regionprops function, you can access it via "edit regionprops", and checking the "ComputeEllips...

3 years ago | 2

| accepted

Answered

superimpose points on image

Hi Milenko, One solution is to display the image (using etiher imshow, imagesc...), call "hold on", then plot the points at t...

superimpose points on image

Hi Milenko, One solution is to display the image (using etiher imshow, imagesc...), call "hold on", then plot the points at t...

3 years ago | 0

| accepted