Acquisition of images with lasers of switching

Similar Questions

• Acquisition of images with 3 USB cameras causing too many uses of the memory/cpu

  Dear experts,

  I'm trying to capture images with 3 cameras USB, located in 3 different positions. I have to initialize each cameras using USB list vi camera when switching between cameras. I realize that, by making this method causing too many uses of the memory/cpu and can cause CPU hang up. If I stop the program, the memory/cpu counter are down.

  Do you know how to reduce this problem.

  Thank you

  Hart

  
  

• Executives ignored in the acquisition of images with 4 Configuration of the camera (cards 2 x 1430), record only half of the expected data

  Hi all

  I have a VI that puts in place a continuous grab for four camera link cameras at 100 Hz (512 x 640).  I have the cameras running on an external clock of 100 Hz for synchronization (comes from box NI DAQ, trigger ports on 1430 cards are not connected to anything).  The VI sticks all the frames in a queue, and then I (slowly) he writes to disk after that I get what I want.

  The problem is, for a minute 4 capture, I get only about 14 000 items in the queue instead of 24 000.  Also, each image gets populated with a number of buffer, so I can see it is missing all the other images or something like that, sometimes it will jump 10 in a row, sometimes it will jump rare... any ideas?

  Here is a picture of my installation of collection (Scripture on the part of the disk is not displayed, but that pours out of the queue is fine)-

  

  Hello

  I see a number of problems with the approach in your VI that I'll try to cover...

  Your consumption with queues and images won't work as you wrote because the images are a type of reference data and so put them in the queues is not copy data values, only the references. So if you keep to the same reference to the image in a queue, they are all pointing to the same data of the image (which may be substituted).

  A better approach is to have two queues of images, representing the 'free' pads and then one that represents the images 'full' (your queue current consumer). You would then have your acquisition loop pull a 'free' image, fill it with data via a Get buffer call and then queue it for your use. Your consumer could pull this queue, do its thing and then queue the image to the queue 'free' for the producer to use again.

  In addition, your code does not currently use the lower level is VI buffer, so you take advantage of the buffering model input-output IMAQ uses internally. The simple Grab acquire VI returns only the most recent image, but if you fall at all it does not use the FIFO. You want to call make buffer with a buffer incremeenting number so that you do not skip the buffers and are allowed to get behind up to the number of buffers in the buffers configured list.

  Eric

• Rolling/down shifiting image with low level acquisition of VI

  Hello

  I do image with low level VI acquisition acquisition. The series of captured images appear as an image rolling/down shift. Each image is captured moves down again and again. If frame 1 a row of pixels is 0 when the row wherever the 100 frame is captured rank 1 is at line 100, giving the impression of the image slowly moving down.

  I enclose a small program through which I am able to reproduce the problem. The help of a 1426 PCI capture card and an impressive camera (double IPX-2M30H-L).

  Can someone tell me please what is wrong with this program and how I could fix this?

  Thank you

  Sandeep

  
  

• Service Acquisition of Image Windows (WIA) suspended at startup. Responding server {81ED811 A1F4E726-8CF1 - 11 d 1-BF92-00600} is not registered with DCOM within the required time.

  Since early April 2010, my computer started to shut down immediately after starting, or at a time later. A lot of system errors and other events have been reported in the error log, which much of this: "the MMTP service failed to start due to the error - the following system could not find the specified file - after 31/2 months, I abandoned this fixation and F11 to restart or reload the system to the original system; Have updated and 135 items updated, installed IE8, WinXP Pro + SP3 and finally my HP Laser Jet printer 5 p. Try to strt the computer a few hours later, but it stops immediately after, within 2-3 seconds; Repeat this several times. Unplugged the printer, the computer began; The error showd 2 journal items, repeated several times. i.e.

  (1) the service Acquisition of Image Windows (WIA) suspended at startup.                                                  (2) the server {81ED811 A1F4E726-8CF1 - 11 D 1-BF92-00600} is not registered with DCOM ala required timeout.  Can someone help please? I have to go into msconfig and other? I'm tired & patience thereby and the help that I received from the MS Tech Support.

  Help, please! Thank you! HeinrichDS

  Thanks "nass 1" for your support, I will follow Palouk recommendations to update the drivers for the HP product and hope it will be OK.

  I appreciate your help, HeinrichDS

  HeinrichDS

• Notes on (bases) imaging with Labview

  Hello world

  Would you recommend any note book or a conference based on the acquisition of images (wink, grab, sequence etc.) with Labview (including how to set a buffer and how do I save images?)

  I've not found anything particularly interesting online, I hope you can help me with this. Please post directly here the links if you know some.

  Thanks for your help.

  Here

• ThinApp IE 8 working on a VMware view image with IE 10 or 11 is installed in native mode

  I am creating a thinapp for IE8 so our users can get back to IE8 if they fall into compatibility problems when we switch to IE 10 or 11 of the EI. So I installed Thinapp 5.0 on a XP computer and followed the following KB. http://KB.VMware.com/selfservice/microsites/search.do?language=en_US & cmd = displayKC & externalId = 1026674

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  If anyone has found a solution, or if you have virtualized IE8 with the current version of thinapp please put your instructions. Thank you

  Build the Machine

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  Have also tried

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  And

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• Multiple images with the same file name no doubt prevent export

  iMac running OS X El Capitan v10.11.6; Photos 1.5

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  All advice and help will be GREATLY appreciated!

  Finder has the ability to rename files with various models of lot.  Simply select all the files to rename, right-click one of the selected files, choose 'Rename X points... '. ", and then set the options and click on the button"Rename ".

• Whenever I have download an image with the command "save the image under...". ", it records in a useless file of 168 bits.

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  Here's what it looks like:
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  This means that you are not allowed to do this action.
  The site could use a transparent overlay image to protect the actual image or otherwise has put in place a protection.
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• My Ipad air2 does not start.  Tried hold it together switch with on/off switch.  Apple logo appears for about 15 seconds and then turns off again.

  My Ipad air2 does not start.  Tried hold it together switch with on/off switch.  Apple logo appears for about 15 seconds and then turns off again.

  Is there another way to start the IPAD?

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• Problem loading the images with the php script.

  As a webdebdesigner that I developed a cms system to download images with php to a mysql database. Firefox version 5.0.1 for MAC and earlier versions have no problem with the script download. But after this version, it is impossible to upload images more large then 250 KB. The page where the customer chooses his image for the download hangs and the form is not sent to the real upload script, which must validate and process the image.
  This problem only occurs in Firefox, all other browsers work fine!
  In addition to this: give feedback for firefox is not possible for the Mac.

  Try announcement Web development / standards evangelism MozillaZine forum. The helpers there are better informed on issues related to the development of website with Firefox.
  
  http://forums.mozillazine.org/viewforum.php?f=25
  
  You will need to register and log in to post in this forum.

• Masking an image with a shape from Keynote for the iPad?

  I am actually writing an article in support for a Web site and it does not seem you can mask an image with a shape from Keynote for iPad - something that is incredibly easy to do in the version of OS X. Clues on how to achieve this in the iOS version of Keynote?

  Thank you.

  Nevermind, I found the answer - all we need to do is add the image AND form of the slide, then select both at the same time. One of the choices that is displayed in the context menu is "mask with shape.

• How to superimpose a tilted image with retangle part

  I know IMAQ overlay Retangle.vi can overlay part of an image with retangle, but I want to overlay with inclined retangle (see overlay.jpg), how can I solve this problem?

  Thank you

  Hi, skyover,

  Just create rotated rectangle KING, then KING of overlay instead of the rectangle:

  

  Andrey.

• How can I import an image with transparent background .png in the Vision Assistant?

  Hello

  I am using the Vision Assistant of NOR. Here, I want to overlay one existing image with another. Therefore, I use the overlay Installer where can I import a .png image. If I do, I don't get

  the transparent background of the back of the image, even, I was saved with a transparent background. The image is displayed with an orange background.

  If I import the same image to any front panel for example, I see the picture on the right path with a transparent background. What I've done wrong? I have attached the image I want to use.

  Thank you

  Hello! Don't know how to do this in the Vision Assistant. Try to use the overlay (bitmap) or convert your image into mask. Effect of transparency not supported in the Vision. What you can do in LabVIEW is something like this: