[check] Finder() shows lower similarity score than same image combination on screen

[RaiMan]

**** the finding

I checked your example with version 1.0.1 and indeed found a strange behavior:
Everything works as expected, but using Finder() directly with the captured image reports a similarity score of 0.57, whereas having the image displayed on the screen with a viewer and using normal screen find op Sikuli reports a similarity score of 0.88.

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I am using the latest 64-bit Sikuli IDE on 64-bit Win7. It seems that Finder always uses exact find, ignoring my similarity setting in Finder.find(). To demonstrate this, I have my captured.png file displayed 1x1 on the screen and run the following simple script:

finder = Finder( "captured.png" )
finder.find( "captured.png", 0.7 )
if not finder.hasNext():
    print( 'Can not find the orginal image itself by Finder' )
finder.find( "target.png", 0.7 )
if not finder.hasNext():
    print( 'Can not find the target image by Finder' )
if not exists( "target.png" ):
    print( 'Can not find the target image on screen' )

The result is:

Can not find the target image by Finder

In another word, the target.png can be found on screen, but not in the capture.png. The capture.png can find itself.

What have I done wrong?