A question about image detection

@Sven i will be very grateful if you can enlighten me on the issue i have written below

Captcha type is Video->PHPMelody and by default it uses "use masks" solving method with said 100% accuracy,
however it is failing on some images. So i tried to improve it, by switching to "use hash values" as the chars are always at same position with no rotation or anything. I accomplished that without any issues, however when i submit images to CB that aren't from the samples used in the SDK, CB is not detecting them as PHPMelody, but as other type that has alike image sizes and etc..

Why is that? Do the 4 different solving methods in the SDK have any impact over the type detection or that is some bug?

Btw this happens for few other types i tried to improve. For each when i switch to "use hash values" then CB detects the images as other type and not the correct one.


  • SvenSven www.GSA-Online.de
    make sure you also hit the buttton to detect image size/colors.
  • @Sven

    yes i tried with or without that and no luck the image gets detected as other type that has alike dimensions..
  • SvenSven www.GSA-Online.de
    send the samples please.
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