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Tutu


8 total contributions since 2019

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Question


Function 'getdata' from the Image Acquisition Toolbox very slow
Hello, I am using the function 'getdata' from the Image Acquisition Toolbox in a project. However, the data transfer speed is a...

4 months ago | 1 answer | 0

1

answer

Question


Select a GPU to be used by a function running in parallel(parfeval)
Hello, I am using two GPUs in a GUI postprocessing images live. I am using the 'FramesAcquiredFcn' as a hub to transfer data f...

4 months ago | 1 answer | 0

1

answer

Answered
How to use imaqtool functions such as "trigger" "getdata" in "spmd" "batch" structures (parallel toolbox) ?
Use 'FramesAcquiredFcn' and 'parfeval' see example here: https://uk.mathworks.com/matlabcentral/answers/350044-how-can-i-simu...

5 months ago | 0

| accepted

Question


Re-arrange matrix based on index on GPU using arrayfun
Hi, I want to re-arrange a two dimensions frequency domain x,y to p=sqrt(x^2+y^2) on GPU. I can do so with the code below. Ho...

5 months ago | 0 answers | 0

0

answers

Answered
How use the function “getdata” (imaqtool) to transfer data directly on GPU
This is simply not possible, right now, with MATLAB R2019a.

5 months ago | 0

| accepted

Question


Unexpected speed decrease of 2D Fourier Transform on GPU when iFFTed
I am applying a first FFT2 on a stack of images, croping a part of it, and iFFT2 this part: For example on GPU: FFT2(1920*1240*...

6 months ago | 2 answers | 0

2

answers

Question


How use the function “getdata” (imaqtool) to transfer data directly on GPU
I am currently using the function "getdata" from the imaqtool library to get my camera data, and make some postprocessing on m...

6 months ago | 1 answer | 0

1

answer

Question


How to use imaqtool functions such as "trigger" "getdata" in "spmd" "batch" structures (parallel toolbox) ?
I am making a MATLAB GUI which acquires images from a camera (using imaqtool) and post-processes them. To reduce the time taken...

7 months ago | 1 answer | 0

1

answer