Right Grievous

Last seen: plus de 3 ans il y a | Actif depuis 2013

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How do I apply a fitgeotrans output or similar to points NOT an image?
Hi everybody, I have been using the _fitgeotrans_ function to find the best linear weighted mean transformation between two s...

plus de 8 ans il y a | 1 réponse | 1

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Question

3D reconstruction of points from three views - is there a 3 camera alternative to triangulate?
Hi everybody, I have three sets of x,y data, taken from an object tracked as it moves through three dimensions and taken by t...

environ 9 ans il y a | 1 réponse | 2

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Question

How do I use Quiver with X, Y, radians and vector length?
Hi everybody, I would really like to use a quiver plot to display my data, however, I can't seem to get it to work properly, ...

plus de 9 ans il y a | 1 réponse | 0

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Question

Is it possible to use imrect and display an internal grid or lines which will drag with it?
Hi everybody, I am plotting a draggable rectangle using imrect, but I would like to show the user the internal grid of this r...

plus de 9 ans il y a | 1 réponse | 0

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Question

Is is possible to perform 3D triangulation on two sets of 2D data without knowing camera parameters?
Hi all, I am tracking the movement of an object inside a cube using two cameras - one above and one side-on. I need to re...

plus de 9 ans il y a | 1 réponse | 0

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Question

Detecting path/trajectory turns in tracking data
Hi all, I have some 2D cartesian position data (x,y,time) for a moving object, I would love the extract all of the points whe...

presque 10 ans il y a | 2 réponses | 0

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Question

Rotating polar coordinates 180 degrees
Hi all, I have a series of polar coordinates (ranging from -180 - 180 degrees), some of these coordinates are reflected in th...

presque 10 ans il y a | 2 réponses | 0

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A résolu

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...

presque 10 ans il y a

A résolu

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 ...

presque 10 ans il y a

A résolu

Is my wife right?
Regardless of input, output the string 'yes'.

presque 10 ans il y a

A résolu

Add two numbers
Given a and b, return the sum a+b in c.

presque 10 ans il y a

A résolu

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 ...

presque 10 ans il y a

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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...

presque 10 ans il y a

A résolu

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:...

presque 10 ans il y a

Question

Is it possible to morph a polygonal ROI into the shape of a second polygon?
Hi everybody, I was wondering (because it would be extremely helpful to a piece of code I am writing) whether it is possible ...

environ 10 ans il y a | 2 réponses | 0

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Question

Is it possible to calculate the line of sight between two points in a 2d polygon?
Hi everybody, I have a polygon defined by a number of vertex coordinates and I have a coordinate within this polygon. I would...

environ 10 ans il y a | 3 réponses | 0

3

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Question

Morphing 2D cartesian coordinates, from one shape to another
Hi All, I have a slight problem for which I'm sure there must be a Matlab function but I can't work out what it is. I have a ...

environ 10 ans il y a | 1 réponse | 0