How to find the character X coordinates

[mattndu]

I'm trying to find the X start/end coordinates for an individual character. I'm able to get the "t" value from ctc.cc (trivial_decode) but it doesn't line up precisely with the normalized image. It's off to the left by a fair amount, and the right edge ends in the middle of the character.

Is there a good way to figure out where in the original image the character is? I'd like to know the left/right edge