Comparing 2 jpeg using Labwindows

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  I have an IP camera and I need to take two pictures and compare them, and then my program must return if there is something different about the image. Taking pictures is not a problem, using an activex with the library of camera control I can use a function that writes a JPEG disc. The real problem is to compare these images. I tried to hide them, but given that the sensor is a CMOS, there is a lot of noise, and even if I take two pictures without moving anything, when I subtracted the pictures it's not not empty (black). Then I tried to use Vision Assistent or the gold model, but I could not use them because of two problems:

  -first of all, most of the functions on Vision Assistent can only deal with 8-bit binary images. Does anyone knows how to convert a JPEG in this format?

  -Second, when I tried to open images to use the functions of the IMAQ on my own vi, I used the image.ctl IMAQ and typed the path to images and linked to service them, but whenever I run thid kind of VI, it returns an error indicating that the file is not an image.

  If you know how to solve one of these questions, or if you think of another method to compare the jpeg, please let me know!

  Kind regards

  Vitor

  Hello. Here is the solution. Simply define a level of similarity (for example 1%) and use this VI. Take care.

  

  

  

• The interface of the AVI with the PC using LabWindows/CVI

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  I have a vector Network Analyzer Keysight Technologies / Agilent Technologies N5230A. I want to run with the LabWindows/CVI to measure channel 40 GHz. I want to interface the AVI with the PC using LabWindows/CVI. It is really essential for the measures, and I have no experience in doing these things. Would you please direct me to the best, easy as possible of this work? I'm really conscious of the fact that and thank you for your time and concern.

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  Does anyone know how to compare two PDFs using acrobat to adobe via command line. I want to do this via command line, because we want to compare hundreds of files each day through some automated tasks in windows.

  If the command line option is not available in acrobat format, then it is possible to use acrobat javascript API to perform this task?

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  Command line: not possible.

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• Pink and green lines when jpeg used in iMovie

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  I have a strange problem that I can't find an answer to the internet. Whenever I used a file jpeg or png as a background or a picture in picture during a movie, to export the movie space where was the image file is replaced by a series of pink and green "buzzing" or flicking of horizontal lines. I just made that I have updated to the latest version of El Capitan and iMovie (10.1.1). An example of a jpeg file used as background and what looks like the export is attached. It looks good in the iMovie preview.

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  This type of problem has been tested with iMovie 11 running on El Capitan, but not with iMovie 10.1.1. You said that you went to 10.1.1 and are still seeing this problem. Try to create a new library and new project and see if you can reproduce the problem. Maybe your library 11 iMovie did not upgraded to 10.1.1 correctly.

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  I was wondering if it was possible to use LabVIEW to compare two PDF files (that contain images as well as text) to another. I know that Bluebeam PDF viewer can do, so I was hoping there was a way to do it with LabVIEW.

  Read each file as a simple string, and then compare the two strings for equality.

  (You can also do a few tests before, for example just to see if the sizes are equal)

• E:, HP ENVY, HP ENVY 4500 4500 don't scan pdf for MAC, only jpeg; used to work properly.

  HP ENVY 4500 worked fine a month previously, now don't scan pdf for MAC, jpeg only.  Also do not accept the file name.  Is there a doctor of printing & scanning HP for MAC?

  Hi Maryjon , thanks for getting back to me!

  I appreciate the info.

  I suggest to remove the printer from your printing system, using this document: uninstalling the software of the printer.

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  I also run your Apple updates: OS x: Mac App Store apps and OS X update

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  How can I check if a process or Application is running or not with CVI?

  I used to try this in Labview, and to check the application, it is a VI in the Web site of NOR. But I have no idea on the use of CVI for this.

  And also, how can I check if a file is opened or help? I want to rename foder in my code, if it is open (perhaps a file in the folder are open), the action to rename will go wrong.

  Thanks in advance

  Hello

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  Using Vista and XP Pro, I open two instances of Windows Explorer and organize their visualization side by side, allowing me to move conveniently files manually.

  Windows 7 automates this task through its component feature snap, a feature that allows windows to be compared next by simply dragging an instance of the window on one side of the screen.

  I use two monitors 24 ".

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  Thank you for visiting the Microsoft answers community.
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  Open the pdf file or right click on pdf file closed and choose Preview in the options to open it in.

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  Normal
  0

  fake
  fake
  fake

  MicrosoftInternetExplorer4

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• How can I transfer content from an XML file in a MS SQL database of the stored procedure using LabWindows/CVI SQL Toolkit?

  Hello

  I have a problem to transfer content to an XML file in a MS SQL database through a stored procedure data/fixed. I am able to transfer the content of the file using method...

  HSTMT = DBPrepareSQL (hdbc, EXEC usp_InsertReport " ... ");

  resCode = DBExecutePreparedSQL (hstmt);

  resCode = DBClosePreparedSQL (hstmt);

  ... but in this case, I am not able to read the return value of the stored procedure.

  I tried to follow the example of the stored procedure in the help documentation (DBPrepareSQL), but I miss a xml data type?

  No idea how to solve my problem?

  Cake of KR

  DianaS salvation,

  Thanks for your comments. During this time I found another way which fullfill my needs:

  resCode = DBSetAttributeDefault (hdbc, ATTR_DB_COMMAND_TYPE, DB_COMMAND_TEXT);

  sprintf (sz_SqlStatement, "DECLARE @TESTID INT EXEC @TESTID = usp_InsertReport ' SELECT 'RetVal' %s = @TESTID", sz_Buffer ");
  HSTMT = DBActivateSQL (hdbc, sz_SqlStatement);

  While ((resCode = DBFetchNext (hstmt)) == DB_SUCCESS)

  {

  / * Enter values in the record. */

  resCode = DBGetColInt (hstmt, 1, & s32_TestId);
  }

  resCode = DBDeactivateSQL (hstmt);

  sz_Buffer is the content of the XML file.

  Cake of KR

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