Multicore with IMAQ vision, playback DIVX 6.8

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• IMAQ vision function reference

  Hi all

  I'm new to Lab Windows/CVI and uses the library imaq vision.

  Could someone tell me where I can find the reference of function IMAQ Vision? I found a function reference manual at first--> National Instruments--> Vision--> Documentation. But all the functions described in this document are starting by img * (). I was looking for functions starting with imaq * ().

  I'm sorry that it might be a stupid question, but any help would be appreciated.

  See you soon,.

  Thanks Alex,

  I found the document

• How to download imaq vision

  I am a new user of labview and I wish to study this subject IMAQ vision. However, for the same thing, I have no idea as to how I can use it on LabView. Smoker I don't understand if I have to download additional software for IMAQ Vision work with LabView. Kindly advice me.

  Jean-Luc

  NOR-Vision and NOR-IMAQ are two different things. NOR-IMAQ is a set of drivers and software to acquire, view and save images of some devices. The supported devices are in the readme file. This software is free. NEITHER Vision is a software level. He did work with a wider variety of devices. It is not free.

  I think that it is best to call your local sales office OR that they would be better suited to help you, rather than this forum. We mainly answer technical questions here.

• How can I move an image with info vision?

  Hello

  I'm trying to move an image that has been saved as .png with info vision. This image I would change in x / y pixels. If I do, I get a

  blank image back, even I copied all the info of the image in advance.

  If I use any other image without info vision that it works without problems so far. Anyone know how I can fix this problem?

  Thanks in advance

  The Shift IMAQ function does not read the header information and don't know your reticle.  You can add header information to the image by using the merge feature overlay IMAQ as shown in my picture as an attachment and function Shift IMAQ will actually see these data.

• several webcams in for usb or imaq vision Builder

  Hello

  I have a question about imaq nor for usb or vision builder AI 3.6 (I did a vi with imaq and I run in the constructor of the vision) and I want to know how can I connect multiple webcams to the computer, and how many of them can be connected. can they all be of a make and model and can they be executed with a driver installed on the computer?

  Thank you

  Hello

  In general NOR-IMAQ for USB can support only one camera at a time. You can acquire multiple cameras (not simultaneously) using USB IMAQ list VI cameras to identify each device plugged into your system and access it via the other IMAQ live to USB.

  I would also like to point out that Vision Builder AI does not support the NO-IMAQ for cameras USB driver. It is designed to solve machine vision applications, but USB cameras provide in general or advanced necessary for machine vision triggering modes.  Because the machine vision and USB cameras will usually together, we do support USB cameras in Vision Builder AI.

• Why some AVI format doesn't work properly with IMAQ?

  I tried to do a job with handling the AVI files in labeled, but it seems that mine will not work. Whenever I try to load, I get the error:

  Error 1074396005 has occurred to IMAQ AVI2 close

  Possible reasons:

  IMAQ Vision: Session invalid AVI.

  What is strange, is that some AVI files will be read fine. If someone could explain why I see this error or how to convert my AVI files to the correct version, I would be happy. I have attached two files. The touchdown, one will not work. The ball marked a will.

  
  

• Lost file "IMAQ Vision example Folder.vi"

  Hello world

  I was working with this file and I lost it. Now, I could not find or fix also I re - install all the modules of the vision, and many examples use this file to take the path of the image to work. Someone can help me trying to find the path and bring me the IMAQ Vision example Folder.vi

  Thank you for your cooperation,

  John

  Hi, thanks for your response, I did it and I don't know why, but did not work. I solve the problem using the IMAQ Vision AVI Folder.vi and change the block diagram and removal of some parts and then rename it as the vi that I lost. In this way, I solved the problem.

• Problems with IMAQ write file.vi

  Hello, I am new to the community, and I have some problems with a Labview program, I received from a colleague. The program is written in Labview 8.6 and control (Guppy 160 b & w) camera and one-step translation. The camera is supposed to take 2 pictures in grayscale when the scene is in a certain position. Bmp images are safed using IMAQ writeFile.vi. For the configuration of my colleagues, it worked, but I get the following error message:

  "Error 1074396080 occurred to IMAQ Write queue.

  Possible reasons:

  IMAQ Vision: Invalid Image Type (Hex 0xBFF60450). »

  and the files that are written are empty.

  There is also no information using Labview extended regarding the IMAQ writeFile.vi. I found IMAQ 2.vi writeFile, but use it I get the same error as before. I don't know what to do. Can someone help me? Thank you in advance!

  Lemarié

  PS: You'll find an overview of the program (with the writeFile 2.vi IMAQ) in the attachment.

  see this

• bug in several functions of IMAQ vision mask

  Some functions IMAQ Vision bad work if you use the image source as the mask. I keep running into this bug in IMAQ Vision, Vision functions exhibit this behavior, and others do not. It is not documented in job descriptions. Even if it were, it would still be a bug. Example:

  1. create an image source U8 containing zeros and nonzero values.

  2. son of the image in the entry source and IMAQ mask entry quantify and return the value of % of the global report to see what percentage of pixels are different from zero.

  The answer is wrong. If you copy the image in a separate image first and distinct picture of wire in the input mask, you get the right answer. See attached VI for building

  

  See you soon,.

  -root

  If someone knows a way to return the number of pixels not dummies in an image without duplicating the image in memory, please post the method here so I can mark it as a solution. I find that using IMAQ getpixelvalue in a double loop is extremely slow, even with a shift as a counter register.

  Using the histogram IMAQ VI seems to work (with no mask image)-the first index of the returned histogram array is the number of zero pixel, so the sum of the table no less (or less area this) is the number of pixels non-null.  The VI has the same bug with the image of the mask (and I agree with you that document a bug does not correct!) but at least you can use for this problem.

  Cheers ~ Greg

• Save image 12 bit < with > imaq

  Following a previous question, I've done here, I discovered that I am able to install and use IMAQ.

  So I try to do what I need, is to record a 12-bit grayscale with IMAQ image.

  I read somewhere here that more can I go to save as 16 bit - I hope that it will not create problems in the final image.

  in any case, is to know how far I could go - trying to understand works IMAQ:

  

  (Sorry for the confusion - the lower left part deals with it without imaq, the party is on the right)

  It works, I get a "error-1074396154 occurred at WritePNGFile IMAQ - or the possible reasons: IMAQ Vision: the image is not big enough for that operation.

  -but just for this reason that I have inserted a SetImageSize IMAQ!

  any clue?

  Thanks for any help...

  Alessandro

  I have not installed imaq/SAV/vdm, so I'm going from memory here, but

  (1) you will encounter many problems with memory. you create a new image for each iteration of the loop and never remove. At the very least put an image destroy after imaq functions. The way I have always done things is to create the image once and then just re-use before destroying once at the end.

  (2) I think that your problem is perhaps the fact that you need to explicitly set the type of image in grayscale 16 on the imaq create functions, but I'm not positive

  This article refers

  http://digital.NI.com/public.nsf/allkb/B51CCE62D00112B68625735C0000DDCF

  These

  http://www.NI.com/example/28120/en/

  examples that may help you more

• IMAQ Vision Image structure

  I currently grabbing an image, using my own equipment and windows messaging and do it in memory as a bitmap image.  How to copy this image in a structure Image IMAQ Vision.  I see other threads that the structure is the owner, but is it possible to copy the raw data in the structure of the Image.  The only way I can achieve this is to write in a BMP file, and then use the () imaqReadFile to read back in. It takes a lot of time, it would be much faster if I could copy from one location to another.

  You can use imaqArrayToImage(), but I've always found this difficult to use function.

  my favorite way is to create a new image of the right size using imaqCreateImage(), then get a pointer to the first pixel using imaqGetImageInfo() and fill pixels directly by copying the data in the buffer of the image. I already showed how to access pixels directly on this forum. You should pay attention to the size of your pixels and the format of the image (RGB, grey levels).

• IMAQ Vision: (Hex 0xBFF60403) copy unauthorized IMAQ Vision.

  Hi all

  I have a Labview program developed a few years ago by one of my students who use some images from a camera to do some analysis.

  It's the environment that was used:

  Windows Xp professional version 2002 Service Pack 2

  LabVIEW 7.1
  LabVIEW Run-time Engine 6.1 - 7, 0 - 7.1.1
  NOR-Imaq 3.1.0
  IMAQ vision 7.1.1
  NI-Visa 3.1
  NOR-488. 2 2.40

  NOR-IMAQ 3.1

  Application Builder 7.1

  Now, the PC crashed and I tried to restore all the software and VI.

  I got these (3) types of errors when I lounched the VI:

  1074396157 error occurred at WindShow IMAQ
  Unauthorized copy of IMAQ Vision.

  1074396157 error occurred at WindSize IMAQ
  Unauthorized copy of IMAQ Vision.

  1074396157 error occurred at WindMove IMAQ
  Unauthorized copy of IMAQ Vision.

  Possible reasons:

  IMAQ Vision: (Hex 0xBFF60403) copy unauthorized IMAQ Vision.

  I read that it is possible to overcome these types of errors lounched visionXXrte.exe, but I don't have on my PC.

  What can I do?

  Thank you for your help

  Gino

  Hi all

  the problem has been resolved.

  It has been necessary run the NILM License Manager and activate the product of the Vision, which has been exceeded (I don't know why).

  So, thanks to all the world.

  Gino

• Error 1074395720 has occurred to IMAQ find circular Edge 3 IMAQ Vision: invalid KING.

  Hello

  I am writing a program to adapt to a circle of an image (from the avi), but when running the IMAQ find circular edge v3.vi I get the error message:

  "Error 1074395720 occurred at IMAQ find circular Edge 3.

  Possible reasons

  IMAQ Vision: Invalid KING. "

  I use the vi KING of construct IMAQ to set the return on investment and I am sure that the KING output is in a format suitable for the discovery of the IMAQ circular edge v3 vi.

  I joined my program (Labview 2011)

  Any thoughts?

  Thank you very much

  Rory

  Hi Rory,

  Welcome to the Forums of NOR.

  «IMAQ find circular Edge 3' expects a return on investment for type 'Ring'.» There are a number of functions in labVIEW for the conversion of the type of return on investment as "IMAQ convert the KING to ring. However, as the circular edge VI find JUST does not ring but bounding box and other details as well, there is a strange solution to this problem.

  Drop-down "IMAQ convert KING ring" and get the return on investment through. Drop-down and then "Convert ring to the KING" (Yes, really) and pass the output of who to "find the circular edge.

  It is circular, strange workaround, but it seems to force the type of return on investment to go to the ring and so works.

  Let me know if you have any other questions.

  Thank you very much

• LabVIEW 8.0 works with IMAQ USB? If so, should which version I install?

  Hi, guys.

  LabVIEW 8.0 works with IMAQ USB? If so, should which version I install?

  Thank you very much!

  Have you seen this.

  Years for your questions, I guess it will be better for you if you stick to a single thread.

• IMAQ Vision: Mode invalid (Hex 0xBFF6048C) ranking.

  I use usb enter vi and when I run my vi I get an error

  IMAQ Vision: Mode invalid (Hex 0xBFF6048C) ranking.

  what it means and how to fix it?

  Thanks for your help

  another stupid mistake. It had to be a file name in the folder not a file name.