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gujax


Last seen: 11 days ago |  Active since 2011

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Answered
built-in getdata function in imaqdevice is broken
Here is the answer: Change to the following (i.e., replace && by & below): if ~isChunkModeActive && ~any(startsWith(fieldname...

2 months ago | 0

| accepted

Question


built-in getdata function in imaqdevice is broken
I am getting this error on running the following: start(v);%v is a gige/gentl object [recording1, time, metadata] = getdata(v,...

2 months ago | 1 answer | 0

1

answer

Question


colormap using command line in implay()
While I can change the colormap using the pull down menu, is there a way to use a command line to change the colormap? So my im...

3 months ago | 1 answer | 0

1

answer

Answered
Video frames all garbled and not in sequence
I was moving my hands and it suddenly would jump back to earlier frames. However, I discovered the issue. There were two specif...

3 months ago | 0

| accepted

Question


Video frames all garbled and not in sequence
Hi I am using imaqtools in particular using gentl driver with Lucid vision camera. Ni Max and Arena records a sequence of fram...

3 months ago | 1 answer | 0

1

answer

Answered
standard deviation takes for ever
calculating statistical std takes more memory than calculating mean. If performing std on double formatted large data sets, it l...

1 year ago | 0

| accepted

Question


standard deviation takes for ever
I have a double precision numeric 3D matrix M (converted by fread from uint8) of size 30000 x 500 x 500 I would like to get st...

1 year ago | 2 answers | 0

2

answers

Question


concatenate array of structures with same field names
Hi I am reading datafile from a camera which spits out data in a certain format - about several Gb's in size. The output fo...

1 year ago | 1 answer | 1

1

answer

Question


Retriggerable pulse generation in NiDAQ
Hi, i am having trouble figuring out how to set retriggerable pulse generation. I can generate continuous pulse from a counte...

1 year ago | 0 answers | 0

0

answers

Answered
Matlab gigE and gentl issues with Lucid Vision Camera
It appears this issue is resolved thanks to Matlab Image Acquisition toolbox support team. The best recourse to use 10G Lucid v...

1 year ago | 0

| accepted

Answered
Matlab command to set PFI as Sampleclock on a USB DAQ?
use a triggered counter output on both DAQ's.

1 year ago | 0

| accepted

Question


Matlab gigE and gentl issues with Lucid Vision Camera
Hi I think this is up in Matlab's court? Can someone from Image Acquisition Toolbox team help us here? Lucid team identifie...

2 years ago | 1 answer | 0

1

answer

Answered
missing PacketDelay in Gentl with Lucid Camera
Bump? I have more information... Lucid team identified a problem with Matlab reading LUCID camera features. They have done ...

2 years ago | 1

Question


missing PacketDelay in Gentl with Lucid Camera
Hi, I am able to run Lucid vision camera using Gentl driver. however, I am not seeing the field 'PacketDelay' in the src struc...

2 years ago | 1 answer | 0

1

answer

Question


Matlab command to set PFI as Sampleclock on a USB DAQ?
Hi, How do I declare PFI12 for example as sampleclockterminal when PFI0 is declared as sampleclock.source? What is the Matlab s...

2 years ago | 1 answer | 0

1

answer

Question


Is there a way to reduce Timer period to less than 1 ms?
I am trying to reduce timer(‘period’) to less than 0.001 if possible. In this forum link https://www.mathworks.com/matlabcentral...

2 years ago | 1 answer | 0

1

answer

Question


How can I reduce minimum wait() time?
I am using wait(obj,state,time-out) minimum timeout is 0.01. If I use any value below 0.01, it defaults to 0.01 seconds. Is ther...

2 years ago | 1 answer | 0

1

answer

Question


Cannot get images from gigE camera
We just purchased a Lucid vision GigE camera. Vendor website shows how to use Matlab + GigE vision software to connect to it. W...

2 years ago | 0 answers | 1

0

answers

Answered
Loren's blog on datastore. How should I use counterSize and done?
I think I figured out some of the answers... I need later versions of Matlab to get 'partial read' enabled using 'read mode'. ...

3 years ago | 0

Question


Loren's blog on datastore. How should I use counterSize and done?
I am trying to use datastore in Matlab v2018b but it does not have 'partialread'. I am trying to replicate Loren's code (https:...

3 years ago | 2 answers | 0

2

answers

Question


Datastore for reading large binary files versus incremental fread
I am trying to understand why should I be using Datastore to read 100Gb binary file (other than exceeds memory capacity of RAM)?...

3 years ago | 2 answers | 0

2

answers

Question


speeding up using cellfunction and arrayfun versus for-loop
I find that cellfun and arrayfun is slower by 1.6x. Trying to understand why is that? I have a data matrix DM of size(4 x 2e8)...

3 years ago | 1 answer | 0

1

answer

Question


Very confused about MLE
Matlab has the MLE tool : mle(data,pdf) I have a custom distribution :pdfM I have generated data the following way: [size of d...

4 years ago | 1 answer | 0

1

answer

Answered
How does matlab do maximum likelihood on custom functions?
Hi, I would like to explore the above question further... If I use a standard distribution listed in Matlab document and not m...

4 years ago | 0

Question


Vimba -Matlab issue - GigE camera. Requesting a 2018 patch
Camera: Allied Vision Prosilica 6600. Works OK with AVT Vimba Viewer and AVT Acquire Control. In MATLAB 2018b, camera shows up ...

6 years ago | 1 answer | 0

1

answer

Question


Selecting arbitrary sequence of rows from a matrix
A=100000x1 made of numbers <3000 : A=[2345,123,4000, etc...] B=5000x100000 an array of numbers given; Select A out of B(:,...

6 years ago | 0 answers | 0

0

answers

Question


Registration using CV Toolbox
Hi, I have two 3D point clouds. The two are partially overlapped i.e., ~<50% of the data has an overlap and the rest does not. ...

8 years ago | 0 answers | 0

0

answers

Question


mex with g++4.8 with Boost issues
I am trying to build a mex file on OS X with gnu++-4.8. But ending up with error msg. In the command line it links to libc++. I ...

8 years ago | 1 answer | 0

1

answer

Answered
mexopt.sh not functional in R2016?
Instead edit the xml files e.g., mex_C++_maci64.xml if using C++

8 years ago | 0

| accepted

Answered
mex with g++4.8 with Boost issues
This is resolved. In Matlab R2016a mexopts.sh in ~/.matlab folder has no function. Do not create a copy of it. Instead one shoul...

8 years ago | 1

| accepted

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