You have to use image processing API like leptonica..

On Tuesday, 29 October 2013 12:40:04 UTC+5:30, Veerendra Jonnalagadda wrote:
>
> Hi,
> I want to raise size of the text present in an Image before reading it. 
> I have tried by gray scaling and zooming Image but incase I need to raise 
> font size of the text in an Image is there any code segment APIs or 
> algorithm. 
> Regards
> Veerendra
>

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