how to recognize the character drawn on iPhone screen?

[swapnil popat]

i am using Tesseract OCR as done in the code found at the link below . i am still unable to recognize the characters . any help would be appreciated.

http://robertcarlsen.net/2009/12/06/ocr-on-iphone-demo-1043

and

https://github.com/robmathews/OCR-iOS-Example

Thanx in advance