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vrf Image analysis

Question asked by willie.kiely on Feb 26, 2004
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META content="MSHTML 6.00.2800.1400" name=GENERATOR></HEAD><BODY><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2>My feeling on this, after using NI, Keyence is.......</FONT></SPAN></DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2>If you're machine is PLC based with no direct requirement for a PC, then the Keyence/Cognex vision modules are the way to go.......</FONT></SPAN></DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2>If you need a bit more flexibility with Human interaction, and logging measurements, then for Vee, ActiveX is the way to go, be it NI, Euresys, or any of the other cost competitive solutions. </FONT></SPAN></DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2>We started out 5 years ago developing Keyence/RS232 solution for Pattern matching for laser trimming, and a year later, went NI/PC, for speed (25% faster, RS232 is slower), and flexibility, aswell as the ability to have folder libraries of patterns. Initial outlay for the vision software is expensive, but if you intend to make 2+ pieces of pays for itself.</FONT></SPAN></DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV><DIV><SPAN class=087243709-27022004><FONT face=Arial color=#0000ff size=2>Regards,</FONT></SPAN></DIV><BLOCKQUOTE>  <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma   size=2>-----Original Message-----<BR><B>From:</B>   []<BR><B>Sent:</B> 26 February 2004   21:04<BR><B>To:</B> VRF<BR><B>Subject:</B> [vrf] Re: Image   analysis<BR><BR></FONT></DIV><BR><FONT face=sans-serif size=2>Hello   Barrie,</FONT> <BR><BR><FONT face=sans-serif size=2>We have used stand alone   machine vision systems which we</FONT> <BR><FONT face=sans-serif   size=2>communicate to via RS232.</FONT> <BR><BR><FONT face=sans-serif   size=2>We have 3 Allen-Bradley systems [Excellent! but no longer on the market   -</FONT> <BR><FONT face=sans-serif size=2>ours have been running for 10 years   - only had to replace a camera once]</FONT> <BR><BR><FONT face=sans-serif   size=2>We also have used a Keyence CV301 on a system for 3 or 4 years. Not as   feature</FONT> <BR><FONT face=sans-serif size=2>rich as the AB units but only   1/10 the price, very reliable so far - the only negative is</FONT> <BR><FONT   face=sans-serif size=2>that it uses a special camera, so we have to go to   Keyence if we ever need to</FONT> <BR><FONT face=sans-serif size=2>replace   it.</FONT> <BR><BR><FONT face=sans-serif size=2>There are some newer units on   the market which we have NOT tried out yet;</FONT> <BR><FONT face=sans-serif   size=2>such as:</FONT> <BR>  <TABLE width="100%">    <TBODY>    <TR vAlign=top>      <TD width="100%"><FONT face=Arial size=2>Cognex Corporation</FONT><FONT         face=sans-serif size=2> (These guys bought out the Allen-Bradley brand         from Rockwell Automation)</FONT>         <TABLE width="100%">          <TBODY>          <TR vAlign=top>            <TD width="56%" bgColor=white><A               href=""><FONT               face=Arial color=blue size=2><U>n-Sight (tm) Vision               Sensors</U></FONT></A>             <TD width="43%" bgColor=white></TR></TBODY></TABLE><BR>    <TR vAlign=top>      <TD><FONT face=Arial size=2>DVT Corporation</FONT>         <TABLE width="100%">          <TBODY>          <TR vAlign=top>            <TD width="100%"><FONT face=sans-serif size=2> </FONT><A               href=""><FONT               face=Arial color=blue size=2><U>Legend Series 500 SmartImage               Sensors</U></FONT></A></TR></TBODY></TABLE><BR></TR></TBODY></TABLE><BR><BR><FONT   face=sans-serif size=2>Take a look at </FONT><A   href=""><FONT face=sans-serif color=blue   size=2></FONT></A><FONT face=sans-serif   size=2> for a starting point.</FONT> <BR><BR><FONT face=sans-serif size=2>Look   here for complete systems </FONT><A   href=""><FONT   face=sans-serif color=blue   size=2></FONT></A>   <BR><FONT face=sans-serif size=2><BR></FONT><BR><FONT face=sans-serif   size=2>We like these type systems because they are NOT integrated into the   controller PC,</FONT> <BR><FONT face=sans-serif size=2>so the controller PC,   which generally needs to be kept up to current IT standards,</FONT> <BR><FONT   face=sans-serif size=2>can be easily replaced. Our goal is to NOT have any   cards plugged into the test</FONT> <BR><FONT face=sans-serif size=2>controller   PC's backplane but to use USB and whatever other standard bus ports</FONT>   <BR><FONT face=sans-serif size=2>become available on PC's in the   future.</FONT> <BR><BR><FONT face=sans-serif size=2>For example:   </FONT><BR><FONT face=sans-serif size=2>1) We would start with USB to GPIB to   handle current instruments</FONT> <BR><FONT face=sans-serif size=2>2) As the   instruments change they would be upgraded to USB instead of GPIB</FONT>   <BR><FONT face=sans-serif size=2>3) When the next generation bus port comes   out [firewire?] we would get a Firewire to USB</FONT> <BR><FONT   face=sans-serif size=2>      to handle existing instruments   (possibly a Firewire to GPIB for ooooooooold systems</FONT> <BR><FONT   face=sans-serif size=2>4) As the instruments change they would be upgraded to   Firewire  instead of USB</FONT> <BR><FONT face=sans-serif size=2>5)   ...</FONT> <BR><BR><FONT face=sans-serif size=2>I imagine there will probably   be cameras available soon that will plug into USB</FONT> <BR><FONT   face=sans-serif size=2>or Firewire directly and provide frame grabber   functionality for the PC based</FONT> <BR><FONT face=sans-serif size=2>machine   vision systems like NI's IMAQ. This might be less expensive</FONT> <BR><FONT   face=sans-serif size=2>at the outset  (depends on how much you have to   spring for the SW) but would </FONT><BR><FONT face=sans-serif size=2>require   more work, time and expense when upgrading test controller PC's.</FONT>   <BR><FONT face=sans-serif size=2>I will qualify the last statement - I am   assuming that the test controller PC</FONT> <BR><FONT face=sans-serif   size=2>has substantially new hardware inside, faster cpu and newer O.S.; I   do</FONT> <BR><FONT face=sans-serif size=2>suppose there is a remote   possibility that all the SW will run just fine</FONT> <BR><FONT   face=sans-serif size=2>on the new platform - a remote passibility if running a   Microsoft O.S. - </FONT><BR><FONT face=sans-serif size=2>A very realistic   possibility if we can ever get to Linux as a standard</FONT> <BR><FONT   face=sans-serif size=2>test controller O.S. </FONT><BR><BR><FONT   face=sans-serif size=2>It is always easier, faster and more economical to   upgrade a component of a</FONT> <BR><FONT face=sans-serif size=2>distributed   test system than to upgrade a component of a highly integrated</FONT>   <BR><FONT face=sans-serif size=2>test system. There is usually less downtime   on distributed systems too, in that</FONT> <BR><FONT face=sans-serif   size=2>components are quickly replaced or substituted without having to   dismantle</FONT> <BR><FONT face=sans-serif size=2>much of the system.   Calibration is usually faster too. The HW design is less</FONT> <BR><FONT   face=sans-serif size=2>complex too, as there are fewer interdependencies   between components.</FONT> <BR><BR><FONT face=sans-serif size=2>Best   Regards</FONT> <BR><BR><FONT face=sans-serif size=2>Rob Marquardt</FONT>   <BR><BR><FONT face=sans-serif size=2>Sr. Test Engineer</FONT> <BR><FONT   face=sans-serif size=2>Automation Control & Information Group</FONT>   <BR><FONT face=sans-serif size=2>Rockwell Automation [Allen-Bradley   products]</FONT> <BR><FONT face=sans-serif size=2>Milwaukee, WI. 53204</FONT>   <BR><FONT face=sans-serif size=2><BR></FONT><BR><BR><BR>  <TABLE width="100%">    <TBODY>    <TR vAlign=top>      <TD>      <TD><FONT face=sans-serif size=1><B>Barrie Walden         |></B></FONT>         <P><FONT face=sans-serif size=1>02/26/2004 02:03 PM</FONT> <BR><FONT         face=sans-serif size=1>Please respond to Barrie Walden</FONT> <BR></P>      <TD><FONT face=Arial size=1>        </FONT><BR><FONT         face=sans-serif size=1>        To:                VRF |></FONT> <BR><FONT         face=sans-serif size=1>        cc:                </FONT> <BR><FONT face=sans-serif size=1>                Subject:        [vrf] Image         analysis</FONT></TR></TBODY></TABLE><BR><BR><BR><FONT face="Courier New"   size=2>Hi Folks,<BR><BR>I'd like to try developing a machine control   application using a simple<BR>video camera,frame capture board and some image   analysis software.  Has<BR>anybody done any image analysis work with Vee?    I would greatly<BR>appreciate recommendations for add-in software tools,   i.e. ActiveX, APIs<BR>or what-not.  Hardware recommendations would be   welcomed also.<BR><BR>Thanks in   advance,<BR><BR>Barrie<BR>whoi<BR><BR>---<BR>You are currently subscribed to   vrf as:<BR>To subscribe send a blank email to   "".<BR>To unsubscribe send a blank email to   "".<BR>To send messages to this mailing list,    email "".  <BR>If you need help with the mailing   list send a message to "".<BR>Send your   favorite VEE example to "" for possible inclusion in   VEE 7.0!<BR></FONT><BR><BR>--- You are currently subscribed to vrf as: To subscribe send a blank email to   "". To unsubscribe send a blank email to   "". To send messages to this mailing list,   email "". If you need help with the mailing list send a message   to "". Send your favorite VEE example to   "" for possible inclusion in VEE 7.0!</BLOCKQUOTE>---<BR>You are currently subscribed to vrf as:<BR>To subscribe send a blank email to "".<BR>To unsubscribe send a blank email to "".<BR>To send messages to this mailing list,  email "".  <BR>If you need help with the mailing list send a message to "".</BODY></HTML>