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you see image : http://img31.imageshack.us/img31/8152/mapci.jpg
 
in that image have 1 " blue dot " , and many " red dot " ! And i want to detect blue dot to know coordinates of it in image ( for matching distance from blue dot to specify red dot )
 
how many idea to detect "blue dot" in image ? Frown | :(
 
I use OpenCV , SurfDetect but it not run because "blue dot" too small ? @@
 
any idea ?
 

Thank very much !
Posted 22-Apr-12 20:08pm
Edited 22-Apr-12 20:29pm
v2
Comments
Sandeep Mewara at 23-Apr-12 1:20am
   
Not clear. Please rephrase and elaborate a little on what are you trying to do and where are you stuck.
Lee Shine at 23-Apr-12 1:24am
   
you see image : http://img31.imageshack.us/img31/8152/mapci.jpg
 
in that image have 1 " blue dot " , and many " red dot " ! And i want to detect blue dot to know coordinates of it in image ( for matching distance from blue dot to specify red dot
 
Thanks ^^
johny10151981 at 23-Apr-12 2:36am
   
You need to study more about image processing

1 solution

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Solution 1

i am not able to see that image in my office. simple color filtering won't work ?
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