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thoraya

Attivo dal 2011

Professional Interests: traitement d'images

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Domanda

how can i label pixels of contour ?
hi, Having a binary image like the attached image which have 3 contours. I need to identify pixels of each contour. So, i want ...

circa 5 anni fa | 1 risposta | 0

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Domanda

Fastest way to compute distance between patches
Hi, for each pixel(x,y) of a given image: two squared patches P1, P2 on each side(left and right) are considered. Then, i have...

oltre 5 anni fa | 1 risposta | 0

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Domanda

how to apply morphological operators to remove isolated pixels from conour
Hello, I have a binary image in which the contour pixels are white and the remainder is black. The problem is in some cases, t...

circa 6 anni fa | 1 risposta | 1

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Domanda

How can i extract contour pixels from ground truth image?
Hello everyone, For segmentation evaluation task,I need to extract object contour pixels from a ground truth image. Note that...

circa 6 anni fa | 0 risposte | 0

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Domanda

movement of a particle in a 3D space
hi, i use scatter3 function to plot the set of position of a particle in 3D space. I want to add an arrow between every two su...

oltre 8 anni fa | 1 risposta | 0

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Domanda

normalize a vector of points belonging to the interval [a,b]
Hi, given an interval [a,b] where a and b can take either positive or negative value. how can i normalize a vector of points b...

circa 9 anni fa | 1 risposta | 0

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Domanda

How can I generate a sample of 1-D random numbers following Gaussian distribution
I want to generate a sample of 1-D random numbers in an interval [a, b] following Gaussian distribution (using the analytical e...

circa 9 anni fa | 1 risposta | 0

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Domanda

generate a set of values using levy distribution
hi, how to generate a set of values ​​in an interval [0,1] using the Levy distribution? thanks!

circa 9 anni fa | 0 risposte | 0

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Domanda

draw segment line on image
hi, i want to draw a set of segment line in a given image *I*.each segment line *s* is defined by: postion of the centre *p* ...

oltre 10 anni fa | 1 risposta | 0

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Domanda

parameters estimation using k-means
hi l have an image which is divided in two clusters Co:pixels of objects and Cf pixels of background. l(y|x) is likelihood of...

oltre 10 anni fa | 1 risposta | 0

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Domanda

ellipses on image
hi; I have a set of ellipses where each ellipse is defined by its center position (x,y) , an orientaion angle teta, major axe *...

oltre 10 anni fa | 2 risposte | 0

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Domanda

draw a set of circles on a given image
hi; I have a set of circles where each circle is defined by its center position *(x,y)* and its radius *r*. i want to find a w...

oltre 10 anni fa | 1 risposta | 0

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Domanda

pixels inside circle
hi; i need to find pixel coordinates inside a given circle C which is defined by its center position (x , y ) and its radius r...

oltre 10 anni fa | 1 risposta | 0

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Domanda

objects simulation using matlab (plot function)
hi all, i really need your help i try to implement a SEM algorithm(Stochastic Expectation Maximisation)in order to extract a se...

circa 11 anni fa | 0 risposte | 0

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Domanda

point process simulation
how i can develop a Simulated Annealing algorithm in matlab using to simulate a point process?

circa 11 anni fa | 0 risposte | 0

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Domanda

extraction using matlab
how i can extract a network of objects using matlab?

circa 11 anni fa | 0 risposte | 0

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