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Jiayun Liu


Last seen: circa un mese fa |  Attivo dal 2022

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Domanda


Using GPU accelerated matlab file in LabVIEW
I have been using the 'Library Compiler' with '.NET Assembly' to generate .dll files to run in LabVIEW and there are no problems...

circa un anno fa | 0 risposte | 0

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Domanda


Extract values from binary matrix into periodic lattice
I am using a camera to detect periodic illumination but the difference in camera pixel spacing and illumination period, the dete...

circa un anno fa | 1 risposta | 0

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Domanda


Help with convolution in matlab
There are many convolutions in my code and I am looking for a way to reduce the computation of the convolution. Since I am using...

oltre un anno fa | 1 risposta | 0

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Domanda


Displaying 16 bit images
If I have an image with 16 bit depth, does matlab convert it into 8 bit before display if I use imshow? If I convert the data fr...

oltre un anno fa | 1 risposta | 0

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Domanda


How conv2 works?
I am trying to do filter some images with low pass filters and currently I am using conv2 to convolve a 2D image with a 1D filte...

oltre un anno fa | 1 risposta | 0

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Domanda


Difference between imshow and mesh/surf
I am trying to understand why the result from imshow and mesh looks different. It seems that surf flips the row and column of th...

oltre un anno fa | 2 risposte | 0

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Domanda


What exactly is vectorization doing
I am curious why does vectorization reduces computational time? Is matlab using multiple cores when I vectorize? If that is the ...

quasi 2 anni fa | 1 risposta | 0

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Domanda


Creating 3D array from 2D with increment
Suppose I have a 2D array of integers A and I want to create another 2D array B = A+1 and I want to combine them into 1 3D array...

quasi 2 anni fa | 1 risposta | 0

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Domanda


Reading files with different extension from directory
Currently I am reading files from a directory using "fullName = dir([path '*.tif'])" to find all files with the .tif extension. ...

quasi 2 anni fa | 1 risposta | 0

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Domanda


High level decomposition in dualtree2
I am trying to do complex wavelet transform without down sampling at every level. In the matlab code dualtree2, the first and hi...

quasi 2 anni fa | 1 risposta | 0

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Domanda


Phase gradient in fft
I recently found out that zero padding can affect the phase gradient of the Fourier transformed data. It seems that depending on...

quasi 2 anni fa | 1 risposta | 0

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