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Jered Wells


Duke Health

Last seen: alrededor de 1 mes hace |  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

alrededor de 4 años hace | 66 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...

casi 7 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...

alrededor de 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 ...

alrededor de 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...

alrededor de 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 ...

alrededor de 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...

alrededor de 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 (...

alrededor de 7 años hace | 1 respuesta | 0

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

alrededor de 7 años hace | 4 descargas |

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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...

casi 8 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.

casi 8 años hace

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

casi 8 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 ...

casi 8 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...

casi 8 años hace

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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:...

casi 8 años hace

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

casi 9 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...

más de 9 años hace | 2 respuestas | 0

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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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dicomLUT
DICOMLUT applies an embedded lookup table to a DICOM image

más 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

alrededor de 11 años hace | 3 descargas |

Enviada


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

alrededor de 11 años hace | 1 descarga |

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

más de 12 años hace | 5 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.

más de 12 años hace | 13 descargas |

Enviada


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

más de 12 años hace | 12 descargas |

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

más de 12 años hace | 2 descargas |

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