Vision Builder AI and multiple cameras/image files

Hi,
We are trying to develop an inspection using Vision Builder for AI with 3 1394 cameras.
We have setup the image output to save all images from the inspection, however it only saves the last image acquired during the inspection.
Is it possible to have Vision Builder save the images from the other 2 cameras?

VBAI only has the ability to save the last image. If you would like to save the other images you will need to port the inspection to LabVIEW, and use Vision to save the other images. The other option is to create inspection scripts for each of the cameras.

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Hi Shada this can happen if you are including additional installers to your installer for example DAQmx. When you are doing this the installer has to include other files like MAX (Measuremente and Automation Explorer). Probably when you installed Vision Builder it updated MAX, so when your installer is trying to Include MAX, its asking for the source where it was installed in your computer in this case Vision Builder.
Here you can cache the information so its not asked again, or you can download a newer version fo DAQmx, so it will update MAX and change de dependecy.
You can find more details about this issue in this KB:
KnowledgeBase 3S88PJMY: Why Do I Get A "Missing Distribution" Error When Trying to Build an Installe...
And for keeping a copy here is more info:
How Do I Stop the Missing Distribution Notification Each Time I Build An Installer?
Best Regards
Benjamin C
Senior Systems Engineer // CLA // CLED // CTD

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Thanks so much! I will try soonest.
How does your script react in the unlikely case of duplicates?
Date: Thu, 18 Jun 2009 12:43:47 -0600
From: [email protected]
To: [email protected]
Subject: Script to search and relink linked image files that were moved?
At least your honest about your laziness.... Here's your reward:
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~mike
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NI-1744 Smart Cameras go offline using Vision Builder AI and LV2010?

I've run into a perplexing and frustrating problem.
I have a set of 6 NI-1744 smart cameras used to monitor sample motion in an automated system
A central robot moves samples between 6 satellite chambers; there is a camera mounted above the entrance to each of the satellites; the sample carriers are drilled with up to 10 holes encoding their numbers in binary (0-1023). There is also an L-shaped registration mark drilled near the region for the number encoding. Matters are complicated somewhat in that the second generation of carriers has a slightly more complicated registration mark (which includes the simple L of the first generation).
What I would like to accomplish is this:
Most of the time, I just want to be able to see what's under each camera, illuminating from above using a ring light attached to the camera. Call that Inspection A.
I may need to capture an image without the ring light. Call that Inspection B
When a sample transfer is occurring, I need to run a more complicated inspection (Inspection C):
A light is turned on underneath the end of the sample transfer arm (the "fork"), backlighting the region where the hole pattern would be if a carrier is in fact present.
Acquire an image of the fork with the backlight on.
Check to see if the image shows the fork to be empty. If so, return that information and the inspection is complete.
If not, look for the (backlit) registration mark and establish a coordinate system for the holes. Look to see which holes are present, calculate the sample number, return the data and the inspection is complete
If not, look for the 2nd gen registration mark. If it is found, establish the coordinates as in step 4, calculate the number, return the data and complete.
If none of the registration patterns are found, turn on the ring light, capture an image and return it so the operator can intervene and enter the appropriate data.
I have successfully built the inspection, and it appears to work in the Vision Builder configuration interface, or if run from the Vision Builder inspection interface. If I attempt to *use* the inspection, accessing it via the VBAI interface in Labview, one or more of the cameras will hang after one or more inspections and stops responding to LabVIEW. It will take multiple reboots to get it back on line and visible to either VB or Labview.
Originally, I had thought to configure the camera to run inspections continously and select inspection A, B, or C based on a variable I could access using the Labview Shared Variable Engine. Every time I tried that the camera in question would hang. My current sort-of-successful software uses the VBAI functions in LabVIEW to open Inspection A, B, or C on the camera, run that inspection a single time and return the results and inspection image. That still ends up with one or more cameras hanging, especially if I've added the case to handle the more complicated registration mark.
I think I may be running out of memory in the camera. I have occasionally received an out of memory error message when running the inspection in debug (step) mode in the VB configuration interface, at which point the camera will disconnect from the VB interface. When I look at the system monitor tab for a camera in MAX, I can see that it is showing me 11.5M free/124M total memory, and 72.3Mfree/118M total disk space. If I understand those numbers, that means that less than 10% of the memory is free when the inspection starts!
I'm only communicating with the cameras via the ethernet interface. Are there any software components I don't need to have installed on the 1744 (MAX lists about 12 different things installed!) in that case?
Alternatively, it appears there are VBAI functions available that might let me acquire an image and then process it via a local copy of Vision Builder running on the host PC, rather than in the camera. Is that so, and if so, would it be faster than running the inspection in the camera?
I've attached a zipfile with the inspection that appears to stall the camera, and samples of typical images captured of the empty fork and a sample holder.
Kevin Roche
Advisory Engineer/Scientist
Spintronics and Magnetoelectronics group
IBM Research Almaden
Attachments:
Carrier Read Problem.zip ‏657 KB

The good news: thanks to some offline assistance from Brad, my cameras are no longer crashing.
The bad news: my labview VI using VBAI functions still fails for one or more cameras after a while (typically >12 hours of monitoring).
It's very odd: the cameras are still visible online.
I can ping them.
I can connect to them via VBAI, run inspections that way (either in configuration mode or inspection mode), and disconnect successfully.
My calling VI, however insists that it can't connect (usually with a -354700 error from VBAI Connect.vi, occasionally with a -354705).
I am using shift registers in the monitor loop of the main VI so that I can pass the VBAI session reference for each camera back to the subvis that actually load and run the desired inspection once a connection has been made. After an indeterminate time, one or more of those appears to go bad, but if I attempt to reset and connect to the camera again (I did include a control to let me close and reconnect if necessary from the monitor loop), I still get the above errors.
The only way to get them back online within LabVIEW this morning proved to be to stop the main VI and reset all the controls to default, reboot the cameras, and then restart the VI. At that point it was able to connect to all 6 again and has been running happily for over 8 hours.
I set up the persistent sessions using the shift registers because I have observed in the past continually opening and closing resources like that can lead to memory problems. It also dramatically reduced my cycle time when all I want to do is get the latest images from the cameras to under 2 seconds.
Any ideas? Is there some subtlety to disconnecting/reconnecting to the VB in the cameras via Labview that I'm missing?
I am working on a slightly smarter version of the inspection that can be allowed to run continously in a camera and simply return the appropriate result when asked, rather than having to start and stop different inspections as I do now, but that is not ready for deployment yet. It's the symptom of running just fine for X hours and then losing one or more cameras that is baffling me right now.
Kevin Roche
Advisory Engineer/Scientist
Spintronics and Magnetoelectronics group
IBM Research Almaden

Problems acquiring and saving multiple camera images using a switch with GigE cameras

Hi Folks,
We are having an issue with connecting 6 GigE cameras via an Ethernet switch. We can acquire and store individual cameras but once we increase the number of cameras we end up with jumpy avi files.
Each camera has been physically labelled and attached to the switch, so camera 1 is attached to port 1, which then corresponds to Cam1 in MAX. When recording multiple files what appears to happen is that the avi file from cam1 actually has images from multiple cameras, as if cam1 is being renamed/allocated on each frmae and each time a different camera is allocated. How can we fix this?
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Attachments:
Camerad.png ‏60 KB
Camera.vi ‏91 KB

I think your problem is caused by using the same image name on each instance of Imaq create. "Grab and Save to AVI Acq" being the string you are using. I am pretty sure If you make each image name unique you wont get image referance problems.
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Aperture is set to use the raw file as the master.
I'd hoped that I'd have access to both the raw AND the camera jpeg but I only see the raw file and as soon as I open it, the cameras jpeg is replaced by something that aperture generates. It's quite frustrating because the jpegs from my Nikon look fantastic but only for a couple of seconds before aperture replaces them with a horrible, jpeg.
I want to have access to both the camera's jpeg and the raw file. Aperture's jpegs just aren't that good compared to the Nikon original jpegs. Not even close!
Is there any way that I can get back my Nikon camera's jpegs or are they gone, forever?
Thanks in advance!

Roy Martin German wrote:
For some unknown reason, although I can see both the "Use JPEG as Original" and the "Use RAW as Original", both of these menu items are grayed out?
A couple of ways this can happen is (1) if only one format is actually on the camera's card (i.e., the camera's Quality setting is incorrect), or (2) if "Import RAW files only" or "Import JPEG files only" was selected in the RAW+JPEG Pairs panel in the import dialog. So (1) are you sure the card contains RAW and JPEG images (e.g., have you looked at it with Finder), and (2) what setting was used during import?
Roy Martin German wrote:
but I only see the raw file and as soon as I open it, the cameras jpeg is replaced by something that aperture generates.
Not sure what you mean by this statement. By design Aperture doesn't "replace" anything. Can you clarify?

Interface Builder refuses to see "@2x" image files

I'm making some apps with support for all three major iOS platforms: iPhone&Co, iPhone4 and iPad. This support means, naturally, having larger-resolution images for the latter two platforms. Currently I'm making the apps universal, so the same app will run in all of them.
Since most of the double-resolution images of the iPhone4 version of the app can be used as-is in the iPad version (only things like background images have to be made separately for all three types of platform due to differing screen resolutions; the rest can be done with simply laying out the elements appropriately in the iPad as compared to the iPhone4, using the same element images for both), it would be a huge waste of space to make separate images for the iPhone4 and the iPad, when these images would be completely identical. Thus it only makes sense to reuse the same "@2x" images of the iPhone4 on the iPad version of the app.
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WarpRulez wrote:
If I rename the image such that I remove the "@2x", then IB will accept it, but not if it has those characters.
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Installing both Vision Builder 2012 and LabView 2012 on same Computer

am new to NI Vision Builder Automation Inspection 2012 (Which I am supposed to learn and use for part inspection) as well as LabView (Which I need not know at this time)
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Joe,
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I forgot that Bridge converts all commas into semi-colons. And changing the colons into semi-colons still returned no results. An examination of the keywords tab showed the string broken down in to sections. Searching for the longest string showed the problem. Returning to my keyowrd string I removed all instances of the semi-colons and re-searched. This resulted in a properyl found file.
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Best way to combine 8-bit and 16-bit image files?

I produce large photographic art prints by combining my own edited 16-bit RAW photo images with 8-bit stock photo images and 8-bit photoshop artwork. I used to just reduce my 16-bit photos to 8-bit and then edit my composite image as 8-bit, but I ran into banding and other problems in the color gradients I created later in my composite image.
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*Photonic wrote:
Thanks Jack and Noel. My workflow usually starts w. a 16-bit RAW image brought into Photoshop as the background layer of the master file. Color space is AdobeRGB. Then 8-bit stock photo and art elements (objects) are brought in by dragging the open 8-bit image up to the master image file tab, and then dropping it back into the image window after the file opens.
Should I use the "Paste In" command instead? I usually avoid copy/paste since some of my element files are usually over 100MB and that seems to challenge my Mac after a while.
Could I convert the 8-bit image files prior to import, like Noel suggests (Image>Mode>16bits)? Thanks.
There is no need to convert 8bit open documents to 16bit mode Photoshop will convert the copied layers to 16bit bit during the drag copy. Converting the open document would just increase Photoshop RAM usage every layer pixels bytes used would double in size.
If you element files are over 100MB they are most likely layered files. If all you need is a composite you should avoid using Place for that will needlessly inflate your document size. Instead open the element file create a new layer that is a stamp visible layer (Shift+Alt|Opt+Ctrl|Cmd+E) and drag that layer to you document then close nosave your element file. Copy only copies the targeted layer or there is a Copy Merge that copies the composit merge of all targeted layers. It a bit hard to create an action that would be able to use Copy or Copy Merge. Using the above stamp visible way can be made into an action. You also do not want to drag all the layers to your document if you just need a composit layer.
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Step 2 (Shift+Alt|Opt+Ctrl|Cmd+N) Create a new empty layer This will always work
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When you use Photoshop and do something. Think to yourself how did Photoshop do what you asked it to do. Thing about what is involved what layers must be used etc. How is the feature/function done.
Message was edited by: JJMack
Message was edited by: JJMack

Vision Builder AI and multiple cameras/image files

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