Forget CGI for the moment, access the image via a browser via http://localhost not file://. If, as others have pointed out, you still claim that your error_log isn't displaying "File does not exist: /blah/blah/image.png" style errors your apache config is wrong.

In reply to Re^5: image not shown in my web page by marto
in thread image not shown in my web page by Anonymous Monk

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