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Quentin


University of Maryland

Last seen: plus de 2 ans il y a |  Actif depuis 2014

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additional files in Matlab Compiler
Hello, I have a Matlab Gui that I want to convert to a stand alone application using Matlab Compiler. I watched the tutorials w...

presque 5 ans il y a | 1 réponse | 0

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réponse

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Issue with VideoReader estimated duration on Windows 10
Hello everyone. We are having an issue with VideoReader in Matlab 2018a. We are using it to open an uncompressed AVI file. It ...

plus de 5 ans il y a | 1 réponse | 0

0

réponse

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Matlab GUI break while loop behavior change
Hello Everyone, I have a quick question. We have some Matlab code in the lab that we've been using for many years now, but on...

environ 6 ans il y a | 1 réponse | 0

1

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Réponse apportée
Parfor loop variable cannot be classified
Thanks so much Jill. After much tinkering that's actually the same conclusion that I came to. I find it surprising that such a s...

plus de 8 ans il y a | 0

Réponse apportée
videoinput versus videodevice for realtime processing
Thank you for the help on this Sean. I've rewritten the code so that the camera can simply be triggered by an external device. T...

presque 9 ans il y a | 1

Question


Trouble with accessing variable in parfor loop
Hello all, I am trying to do batch processing and I am having trouble implementing the parfor loop. I have a variable (a movi...

presque 9 ans il y a | 6 réponses | 1

6

réponses

Question


parfor loop variable classification
Hi all, I have always had trouble getting parlor loops to work for me, and again I'm having a variable classification issue. ...

presque 10 ans il y a | 1 réponse | 0

0

réponse

Question


Parfor loop variable cannot be classified
Hi all, I'm just not quite clear why this won't work, or what I can do to fix it. I get the error Error: File: LabTra...

presque 10 ans il y a | 2 réponses | 0

2

réponses

Question


Setting DeviceProperties using imaq.VideoDevice
Hello all, I am doing some machine vision code where we use step to acquire frame from a camera and then process them before ...

presque 10 ans il y a | 2 réponses | 0

2

réponses

Question


Saving very large data. How do preallocate and stream to disk?
Hello all. I am working with a specific data set and could use a few tips. These are images of objects moving in a movie. Becaus...

environ 10 ans il y a | 1 réponse | 0

1

réponse

Question


Is there a way to synch AI and digital output in session-based DAQ?
Hello everyone, I am converting over some of our old data acquisition code to the new sessions-based version. We would like t...

plus de 10 ans il y a | 1 réponse | 0

0

réponse

Question


for loop slows down with read(readerobj)
Hello All, We are manipulating frames of a movie and we are running into a speed issue. Our code loads in each frame of a vid...

plus de 10 ans il y a | 1 réponse | 0

0

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Help selecting a search algorithm, dsearchn, knnsearch, etc.
I don't min will quite work because the same point in B might be assigned different points in A. The algorithm would need to exc...

plus de 10 ans il y a | 0

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Help selecting a search algorithm, dsearchn, knnsearch, etc.
Hello all, I have a matrix A made up of several 2D points. I have a second matrix, B, which is the positions of these points ...

plus de 10 ans il y a | 3 réponses | 0

3

réponses

Réponse apportée
Trouble with accessing variable in parfor loop
Thanks Edric, that solved my problem.

plus de 10 ans il y a | 0

Réponse apportée
Passing arguments into timer stopFCN in gui
Thanks Walter. I got an error message when I tried this. It said "Error while evaluating StopFcn for timer 'timer-1'. I'm assumi...

plus de 10 ans il y a | 0

| A accepté

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Passing arguments into timer stopFCN in gui
Hello all, I'm having a little confusion on using a timer in data acquisition GUI. I was hoping someone could give me a littl...

plus de 10 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
using callback function in timer with a function generated within script
Thank you for the help. Once I put it into one code and saw it work, I realized the problem was most likely in the gui. I'm trou...

plus de 10 ans il y a | 0

Question


using callback function in timer with a function generated within script
Hi all, I think I have a reasonably straightforward question. I am trying to use a timer function in matlab but I am getting ...

plus de 10 ans il y a | 2 réponses | 0

2

réponses

Question


videoinput versus videodevice for realtime processing
Hello all, I have written a simple machine vision script in my lab to detect objects moving around in a pre-recorded video. I...

plus de 10 ans il y a | 3 réponses | 0

3

réponses

Réponse apportée
Issues with Guide gui figure transfer
Thanks for the reply Walter. It looks like the default was not to have the guy rescaleable in the tools menu. When I changed it,...

plus de 10 ans il y a | 0

Question


Issues with Guide gui figure transfer
Hello all, I wrote a gui using Guide in Matlab R2013b. It is fairly complex and I'd really rather not rewrite it from scratch...

plus de 10 ans il y a | 4 réponses | 0

4

réponses