Thanks for the posting. Sorry for not including these details before. I am basically creating an image using the image() and printing it in gif format. The images does nothave smooth margins and also the colors donot appear as true color. I am not aware of any compression. Thanks 
$im = new GD::Image(1000,100);

blah...blah

print $im->gif;

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In reply to Re^2: How to improve image resolution by chakkaln
in thread How to improve image resolution...Continued by chakkaln

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