How to grab text from image for android application

Hello team,

 

i am trying to automate mobile application with image based automation , can someone help on how to grab text from image , find the attached image.

 

This applciation is adobe flex application and Testcomplete is not ale to identify the locators so proceeding with image based automation , however in few cases need to read the lables . can someone help me on grabbing text from image. 

i am using VB for the same .