Suppose, if i take yahoo page and filled all the fields and before submitting, "Please fill the below text" and this text is displayed inside the image. Please find the snapshot as attachment for reference.
how does this field identified by QTP.
Winds of Change
That's not possible. The very purpose of this feature is to avoid automated registration & OCR readers won't be able to read it. http://en.wikipedia.org/wiki/CAPTCHA
May be u can disable this feature, if you have the permissions to do the same.