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Jered Wells


Landauer Medical Physics

Last seen: 9 Tage vor Aktiv seit 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

fast 4 Jahre vor | 105 Downloads |

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Gelöst


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...

mehr als 6 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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 ...

fast 7 Jahre vor

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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...

fast 7 Jahre vor

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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 ...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Frage


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 (...

fast 7 Jahre vor | 1 Antwort | 0

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

fast 7 Jahre vor | 2 Downloads |

Frage


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 ...

mehr als 7 Jahre vor | 1 Antwort | 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...

mehr als 7 Jahre vor

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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.

mehr als 7 Jahre vor

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

mehr als 7 Jahre vor

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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 ...

mehr als 7 Jahre vor

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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...

mehr als 7 Jahre vor

Gelöst


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:...

mehr als 7 Jahre vor

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

mehr als 8 Jahre vor | 1 Download |

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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...

etwa 9 Jahre vor | 2 Antworten | 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 ...

mehr als 9 Jahre vor | 1 Antwort | 0

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dicomLUT
DICOMLUT applies an embedded lookup table to a DICOM image

etwa 10 Jahre vor | 1 Download |

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

fast 11 Jahre vor | 1 Download |

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

fast 11 Jahre vor | 3 Downloads |

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

etwa 12 Jahre vor | 21 Downloads |

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

etwa 12 Jahre vor | 8 Downloads |

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

etwa 12 Jahre vor | 20 Downloads |

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

etwa 12 Jahre vor | 2 Downloads |

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