Advancing the Straight Edge configuration in the Vision Assistant

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• A question about 'value spots' in the Vision Assistant of NOR

  Hello, all,.

  I am a new learner or vision.

  When I use 'mark set' in the Vision Assistant of NOR. It works well. for example

  

  (The image above is the example in the Vision Assistant of NOR, please see help > Assistant Solution > Inspection of dental floss)

  However, when I put the program NI Vision Assistant to create a Labview VI program. (Tools > create a LabVIEW VI), then run the VI, it no longer works.

  

  The result of the system of coordinates outside is always like that.

  

  I can't find where is the error. I tried a few other examples in the Vision Assistant of NOR. If the command "set mark" is used in the program in the Vision Assistant of NOR. then create the LabVIEW VI.

  The problem still occurs.

  I hope some man experienced in NI Vision could help me.

  Thank you.

  Hi all

  This problem has been reported under Corrective Action Request (CAR) 441410 and has since been fixed in 2014 of VDM. I highly recommend upgrading to the latest version here: www.ni.com/download/vision-development-module-2014-f1/4971/en/ because it contains other patches. If you are unable to do so, I have attached the patched file, you need to change. Replace the following file (assuming that the default installation location): \National Instruments\LabVIEW 2013\vi.lib\vision\Vision Utils.llb Assistant with the version I have attached here, and that should solve the problem you see with NaN values of reference in the VG of the generated code.

  Kind regards

  Joseph

• 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:

  

  

• I want to use the Vision Assistant. I have NEITHER Vision Acquisition8.5.1

  I have NI Vision Acquisition 8.5.1 and a map of the video capture card. I am told that I must use the Vision Assistant to do what I

  necessity and that it is part of the installation. Where can I find or how to install.

  No I had not had the CD. I discovered today that NI Vision Acquisition 8.5.1 is software to control a card video capture card. Vision Assistant 8.6 is free to download 30 day trial of of NOR and then around £2800 purchase Web site. Thanks for your help. I'm now sorted.

• Make an adjustment in line with the Vision Assistant for a polynomial function?

  Hello

  I have the following problem: I have a laser beam which a (non-linear) line on a wall. For this line, I need to know (exactly) mathematical

  function. That's why I can get a picture of the line, but I don't know how I can extract the mathematical function with a line fit for example. If I could "convert."

  the line at points that I would use the line fit function to LabView that should work without problem.

  Is there a way to solve the problem with vision assistant or... ?

  Thanks in advance

  Hello

  after thresholding, this should work:

  

  False case just by...

  Best regards

  K

• How to draw a graph using the vision assistance

  Hello Sir,

  I have attached my work and try to draw a histogram image that was created in the express vision, but I don't have no idea where and how to connect this XY graph, however I know that it is essential to use . What is happening in the vi is I'm tracing the minimum value + value of the interval on x axis and maximum value on the y-axis, but do not know how this graph will connect and work. Please help me put in the Please this problem.

  Best regards

  Jawad

  Hi uses "IMAQ polygon" with waveform graph.

• Detect dirt on a picture of the camera with Vision Assistant

  Hello

  I want to test a camerachip cleanliness.

  I tried to make a detector of dirt for a camera with Vision Assistant 2011 SP1 image.

  I modified the cell analysis of the Solution Wizard.

  My Vision Script is not able to detect any dirt pirate on the camera Image.

  Maybe you tips to optimize my other scrip alternative.

  You can use "Equalize IMAQ" (could be found in the service Table of the Vision Assistant research) right after you open the image to spread the histogramm on any bit depth.

  Christian

• It has no option in Vision Assistant block to close the session classification! (How to fix 1074396030 error?)

  I use Vision Acquisition blok, then assistant block vision.

  These blocks are in while loop.

  Once the vision outputs help block class for the next iteration:

  ERROR: There are too many sessions open classification. You must close a session before you can open another.

  I know there are block to eliminate the classifier, but do not know where to connect!

  The only option you have without upgrading is to right click on the Express VI and select 'open the front panel. The Express VI then passes to a standard Sub - VI that you can edit and modify the code to close the session if needed.

  The disadvantage of this approach is that by doing this, we have broken the link between the Express VI and the Vision Assistant, which means that you can not change the algorithm developed in the Vision Assistant more you.

• Vision Assistant - not found .bin

  I would try here first before raising a support of thought gives the floor just in case someone has met before.

  Current running Win7 64 bit and LV 2013 SP1 (via 2014 DS SP1), with the development of Vision system installed. I have a range of fully powered Vision and can use the low level of Vision to my heart's content...

  However, I can't run Vision Assistant. Passing it to the Vision Assistant of the palette, I get the following two errors:

  

  

  I am also unable to open instances Vision Assistant previously configured in another code, even if no error is returned - the VA just does not work.

  I also have LV 2012 SP1 installed (including older versions) and now get the same error with it. I have not tried to use GOING because I went to LV 2013 several months ago.

  Has anyone encountered this before?

  I'm just trying to Repair Wizard 2013 Vision, which I'd like to think will fix it, but we'll see it. I'll let you know when 117 all required components are also repair finished

  Solve the repair.

  Unfortunately, this involved repair of components for 2013, 2012, 2011, 2010... but still, at least, I put my feet for a little while as it ended.

  Will mark as resolved in case someone else has the same problem.

• Vision Assistant has theAlgorithms.Resample feature

  I'm just not see it, or is there no way to resize (Resample) an image in Vision Assistant?

  It seems to me that the resizing of an image is one of the simplest function of image processing.

  I'm used to having to open images in MS Paint to resize, and then reoppen in the Vision Assistant.

  I created a VI resampling that works. But I just thought that it would be part of the core functionality.

  Yes, the function of resampling in Vision Assistant is in the first tab (processing of functions: Image). Select the step of geometry, and Resampling.

• vision Assistant

  Hi, would you please tell me what can I do with this PIN 'Image In "? It is purple

  I tried a lot of experience, but the vision assistant insist to grab me something to this 'Image In' purple

  I tried to create the path of file (green color), I gave him the path, but it did not work without "the image in.

  I am very new to the vision, it is perhaps a trivial question, but the help file didn't help me a lot.

  Thanks for your help.

  That's what you want
  just take care about format if your need for RGB code change grayscale in RGB

• About the origin/Edge configuration

  Hello, I'm quite new to Adobe Flash Media Server and have been reading administration guide.

  After reading the information of origin/edge here:

  leader = 00000130.html & http://livedocs.adobe.com/fms/2/docs/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDoc s_Parts

  I came across a few questions.

  1. it is said that edge server essentially act as a "proxy" gets all inbound connections, which redirects them to the originating server.

  But I read here:

  leader = 00000130.html & http://livedocs.adobe.com/fms/2/docs/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDoc s_Parts

  that basically just edge transport server uses 1 connection initially and ordered that all users who connect. I am an old user of shoutcast/icecast, and this terminology is a little different. Origin/Edge configuration is basically correct relay? An edge transport server relays a stream from the origin server, and ordered everyone still correct?

  So I might have a relatively low origin server and low bandwidth and have 3 edge server to connect to the origin and have about 100 users to connect to each server 3 edge?

  2. This is the question that that concern me the most. Currently I have swf and HTML field restriction to my application on the original server. If I set up an edge transport server it will respect safety (html and swf domain restrictions) set to the correct home server? Or should I re-enter the areas these 2 files on the edge transport server?

  3. when I completely setup my origin/edge servers, will still be able to connect to the origin? Or they will have access on board?

  4. is there a way to limit the number of users connected to a server and after that it caps out, every future connection is then sent to another edge transport server?

  We hope to hear for you guys.

  Thank you!

  It is not that we do not know, is that we have not gotten here yet.

  1. edge/origin does many things.  It is a complete solution or a simple approximation.  Edge tries to take as much load to the server of origin as possible, therefore he handles VOD delivery locally if the media is cached, distributes broadcasts by pulling only once, but redisting, and it multiplexes all incoming connections on the edge more than one (actually two, but that's a minor detail) to the origin by the remote application conveyed. Origin must manage all scripts, is the authority on the content and registration or the Summit meeting point in direct topologies.  If you have a low origin?  Probably not because he is will again fill media content, especially at the beginning, when the caches are empty, constly.  If you run the script, happens to process the script for all customers, including those on the edges, so that can be costly - should be a great machine?  probably not - when caches work correctly, you should see limited on the origin, etc. support.

  2 edge transport server has its own independent area restrictions.  They are not provided to original aboard.  Allows you to create an origin configuration where it accepts that the edges or other machines in your domain and you can target other areas by the edge transport server.  So, if you want them all in honor of these settings, you'll want to change it on all configurations.

  3. an origin server can always handle direct traffic with or without subscription the edges.  I'll make sure that you are up-to-date with the latest version of FMS, especially 3.5.3 when it comes out that we have fixed some bugs in our DVR implementation in this area.  Nothing catastrophic, just want to ensure that you have the version that works best and we are considered correction of problems loading strongly edge based both local basic traffic (especially in a network of 3 level or more, but you're not here)

  4. you can write like this logic in an access adapter - actually it is exactly what it is designed for.  There the number of connections - for the server and the command of redirection at your disposal so write some logic there please.

  ASA

• How to follow the line with the vision of the webcam and move along in this

  Hello world

  I have a question that I can't really find a topic about it.

  Currently, I had made my rover robot wireless control using a 3-axis joystick and works perfectly.

  But I want to add some features to the vision on board the rover system.

  I'm doing the webcam to detect a black line on a white background, and then, he moves just independently along the the line black.

  The thing is that I only know abit about installation in a vision... So, if anyone here able to guide me on the way?

  I use filtering color or color matching or model of a match?

  How to make sure that the black line remains in the middle of the vision? (Eg. moving itself at the center of the line within his vision)

  How can I control the engines using the achievements of the vision of the foregoing?

  Hey,.

  Your questions:

  I use filtering color or color matching or model of a match?

  Pattern Matching or Color Pattern Matching would slow down.

  I would use a 1 d Simple edge detection that returns the coordinates and the edge angle.

  How to make sure that the black line remains in the middle of the vision? (Eg. moving itself at the center of the line within his vision)

  You must control your motors that for example the angle is 0 degrees or 90 degrees (depending on your coordinate system) all the time.

  How can I control the engines using the achievements of the vision of the foregoing?

  This robot manual should tell you how to control the motors.

  Hope this helps,

  Christian

• Using the thresholds the in Vision Assistant Image calibration

  

  I would like to form images of calibration with some images of 1280 x 720 of grids that I take with a fisheye lens. Usually, when I raise Calibration training Vision Assistant interface, I have some tools really powerful local thresholding as in the screenshot above.

  But with images that I put in now, I'm threshold options that aren't really my needs. These are shown in the screenshot below. Is it possible to manually choose the local threshold options?

  

  Hello

  You got this window because it seems that you have a 32 bit image instead of an image of grayscale 16 or 8-bit.

  Convert your image into 8-bit, and you'll have the threshold parameters you need.

  Hope this helps

  Agress

• How can I change the sequence of pictures, that I imported into Vision Assistant?

  Hello

  I have several issues of images I shot a framegrabber. Each has between 300-500 images .bmp are named 0, 1, 2, 3,..., 365.  The problem is that when I use Vision Assistant to open the pictures, it opens in out of use.  Ex: 1, 10, 100, 101, 102,..., 11, 110, 111,..., 12, 120, 121,...

  What is even more frustrating, is that he doesn't seem to be a way to rearrange the pictures, or I don't think I want to spend the time to do for 16 folders of images, with that I work.

  Thoughts... Ideas?

  In this case, it is best to name the images using 3 numbers and fill with zeros on the left.

  It would be pretty easy to write a quick vi who reads all the files in a directory.  For each file, it would remove the old number and replace it with three-digit version.  If the number is less than 100, it can rename the file automatically.

  I can't imagine other ways to solve your problem.

  Bruce