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Jered Wells


Landauer Medical Physics

Last seen: Today Con actividad desde 2012

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Radiation physicist at Landauer Medical Physics specializing in medical image processing, radiation dosimetry, and medical image quality and metrology. Other specialties include noise/dose reduction, image segmentation, and algorithm development.

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lorentzfit(x,y,varargin)
LORENTZFIT fits a single- or multi-parameter Lorentzian function to data

casi 4 años hace | 111 descargas |

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How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...

más de 6 años hace

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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. Examp...

casi 7 años hace

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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 ...

casi 7 años hace

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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...

casi 7 años hace

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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 ...

casi 7 años hace

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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...

casi 7 años hace

Pregunta


How to use neural network to perform image segmentation?
I have a clinical need to perform lung segmentation on AP and PA chest radiographs. Using conventional segmentation techniques (...

casi 7 años hace | 1 respuesta | 0

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respuesta

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nortonbeer(W,varargin)
NORTONBEER produces a one-dimensional Norton-Beer apodization filter

casi 7 años hace | 2 descargas |

Pregunta


Why does MATLAB resample display data for *some* large images and not others? Can this be turned off?
When displaying large images (i.e. images with dimension greater than the screen resolution) using IMSHOW, IMAGESC, and similar ...

más de 7 años hace | 1 respuesta | 0

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

más de 7 años hace

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

más de 7 años hace

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

más de 7 años hace

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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 ...

más de 7 años hace

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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...

más de 7 años hace

Resuelto


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:...

más de 7 años hace

Enviada


Grayscale Canny Edge Detection
Performs Canny edge detection with grayscale magnitude and direction outputs

más de 8 años hace | 1 descarga |

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Can I run a "clear java" command but still keep a variable in the workspace?
Hi: I am trying to run "clear java" after temporarily modifying some files in the dynamic Java path. This also clears all var...

alrededor de 9 años hace | 2 respuestas | 0

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respuestas

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Use ImageJ to read DICOM header data
MATLAB's dicominfo function sometimes misreads DICOM header data. I'd like to automatically call ImageJ from the MATLAB command ...

más de 9 años hace | 1 respuesta | 0

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respuesta

Enviada


dicomLUT
DICOMLUT applies an embedded lookup table to a DICOM image

alrededor de 10 años hace | 1 descarga |

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Center of Mass
CENTEROFMASS finds the center of mass of the N-dimensional input array

casi 11 años hace | 1 descarga |

Enviada


Point cloud normal vector
NORMND computes the vector normal to points in an N-D point cloud

casi 11 años hace | 3 descargas |

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Simpson's 1/3 and 3/8 rules
SIMPSON: Simpson's rule for quadratic and cubic numerical integration

alrededor de 12 años hace | 19 descargas |

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Stem and leaf plot
This is a simple utility for making stem and leaf plots output to the command window.

alrededor de 12 años hace | 9 descargas |

Enviada


R-square: The coefficient of determination
RSQUARE is a simple routine for computing R-square (coefficient of determination).

alrededor de 12 años hace | 24 descargas |

Enviada


OrthoView3D
MATLAB GUI for exploring 3D datasets through a sleek and simple interface (sample dataset included)

alrededor de 12 años hace | 2 descargas |

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