sikuli-driver team mailing list archive

[RaiMan <rmhdevelop@xxxxxx>]

Public bug reported:

Hello,

We are using SikuliX-1.1.0-Beta4 for automated GUI testing and we are
very happy with its capabilities and features. We are using a default
similarity level of 0.98, which is high enough to detect subtle gui
differences. However, we've noticed, that when the compared images are
black, there can be very big visual differences (as percent of the
image) and still they are matched with very high similarity - sometimes
exceeding our default level of 0.98!

The following two black images, for example, are matched with 0.982491: http://imgur.com/a/IjsDk
The following two gray images are not matched with 0.961927: http://imgur.com/a/9Yd9z

Is this expected behaviour? If so, do you have any idea how we can work-
around this?

** Affects: sikuli
     Importance: Medium
     Assignee: RaiMan (raimund-hocke)
         Status: In Progress

** Changed in: sikuli
       Status: New => In Progress

** Changed in: sikuli
   Importance: Undecided => Medium

** Changed in: sikuli
     Assignee: (unassigned) => RaiMan (raimund-hocke)

** Changed in: sikuli
    Milestone: None => 1.2.0

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https://bugs.launchpad.net/bugs/1386154

Title:
  [request] matching should have more parameters to influence accuracy
  and robustness

Status in Sikuli:
  In Progress

Bug description:
  Hello,

  We are using SikuliX-1.1.0-Beta4 for automated GUI testing and we are
  very happy with its capabilities and features. We are using a default
  similarity level of 0.98, which is high enough to detect subtle gui
  differences. However, we've noticed, that when the compared images are
  black, there can be very big visual differences (as percent of the
  image) and still they are matched with very high similarity -
  sometimes exceeding our default level of 0.98!

  The following two black images, for example, are matched with 0.982491: http://imgur.com/a/IjsDk
  The following two gray images are not matched with 0.961927: http://imgur.com/a/9Yd9z

  Is this expected behaviour? If so, do you have any idea how we can
  work-around this?

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