Jered Wells
Duke Health
Followers: 1
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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Feeds
Submitted
lorentzfit(x,y,varargin)
LORENTZFIT fits a single- or multi-parameter Lorentzian function to data
mer än 4 år ago | 58 downloads |
Solved
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...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
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 ...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
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 ...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Question
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 (...
mer än 7 år ago | 1 answer | 0
1
answerSubmitted
nortonbeer(W,varargin)
NORTONBEER produces a one-dimensional Norton-Beer apodization filter
mer än 7 år ago | 4 downloads |
Question
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 ...
ungefär 8 år ago | 1 answer | 0
1
answerSolved
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
mer än 8 år ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mer än 8 år ago
Solved
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 ...
mer än 8 år ago
Solved
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...
mer än 8 år ago
Solved
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:...
mer än 8 år ago
Submitted
Grayscale Canny Edge Detection
Performs Canny edge detection with grayscale magnitude and direction outputs
mer än 9 år ago | 1 download |
Question
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...
nästan 10 år ago | 2 answers | 0
2
answersQuestion
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 ...
ungefär 10 år ago | 1 answer | 0
1
answerSubmitted
dicomLUT
DICOMLUT applies an embedded lookup table to a DICOM image
nästan 11 år ago | 1 download |
Submitted
Center of Mass
CENTEROFMASS finds the center of mass of the N-dimensional input array
nästan 12 år ago | 3 downloads |
Submitted
Point cloud normal vector
NORMND computes the vector normal to points in an N-D point cloud
nästan 12 år ago | 2 downloads |
Submitted
Simpson's 1/3 and 3/8 rules
SIMPSON: Simpson's rule for quadratic and cubic numerical integration
nästan 13 år ago | 7 downloads |
Submitted
Stem and leaf plot
This is a simple utility for making stem and leaf plots output to the command window.
ungefär 13 år ago | 37 downloads |
Submitted
R-square: The coefficient of determination
RSQUARE is a simple routine for computing R-square (coefficient of determination).
ungefär 13 år ago | 5 downloads |
Submitted
OrthoView3D
MATLAB GUI for exploring 3D datasets through a sleek and simple interface (sample dataset included)
ungefär 13 år ago | 1 download |
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