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De Ar


Last seen: 1 year 前 |  自 2018 起处于活动状态

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统计学

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Simultaneously fitting two non-linear equations with shared model coefficients
I have a pair of non-linear equations with shared model coefficients , representing a two-compartment model, that needs to be fi...

1 year 前 | 1 个回答 | 0

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Derivative of 2D dose (intensity) image wrt distance
I have a 2D image of size MN representing a radiation dose map with a local dose , where is the spatial coordinate. I want to e...

2 years 前 | 0 个回答 | 0

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Optimization of weighted sum
I want to optimize the weights of the sum , where is depth (in cm), . The terms are vectors (representing dose) of size fo...

2 years 前 | 2 个回答 | 1

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Variable distribution for a parallel image acquisition
I want to parallelize my code by distributing/splitting variables among available workers, run a parallel image acquisition usin...

4 years 前 | 1 个回答 | 0

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Design feature matrix of 8-neighborhood elements
Got it! new_img = zeros(size(img)+2); new_img(2:end-1,2:end-1) = double(img); % Image boundary coordinates without first/...

5 years 前 | 0

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Design feature matrix of 8-neighborhood elements
I have a matrix (image) of size m x n that I am trying to rearrange differently. I want to design a feature matrix of size (m x ...

5 years 前 | 1 个回答 | 0

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Log-Normal fit of histogram
I have a skewed Gaussian distribution in my histogram that I am trying to fit using a log-normal distribution, but my code is gi...

5 years 前 | 1 个回答 | 0

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Logarithmic 2D colormap plot
I want to scale my 2D dose distribution logarithmically with appropriate tick such as the displayed image. I can't seem to chang...

5 years 前 | 0 个回答 | 0

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Threshold for a numeric matrix (with negative values) representing a cell colony image
I have a numeric matrix, processed from an image of cell colonies, with values outside of the range [0,1], including negative v...

5 years 前 | 0 个回答 | 0

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Denosing of extremely condensed signal
I am attempting to denoise a high-sampeled spectrum by removing all the sharp peaks and then performing a shape-preserving piece...

6 years 前 | 1 个回答 | 0

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Smoothing/interpolation of a 3D surface colormap
I'm trying to smooth or interpolate away the "steps" building up to a intensity maximum, and at the same time preserving the sha...

6 years 前 | 1 个回答 | 0

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Overlap two 2D array images by coordinate mapping
I'm doing pixel-by-pixel analysis. I have one parametric image, img1, and one parametric _ROI_ matrix image (contains only value...

6 years 前 | 1 个回答 | 0

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Most efficient way to generate an array around a central value
Hi! I am trying to span a linearly spaced array around a center value without knowing number of points in the array beforehan...

6 years 前 | 2 个回答 | 0

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Interpolation of a 2D image series at specific slice locations
I have imported a series of 2D DICOM files containing 14 MR images. The resolution of the image data matrix is 512x512x14. These...

6 years 前 | 1 个回答 | 0

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