Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use this option to skip any header information in the image (e.g. 640x512+256).

The format of the size option:


For Photo CD images, choose from these sizes:
<pre> 192x128 384x256 768x512 1536x1024 3072x2048
Finally, use this option to choose a particular resolution layer of a JBIG or JPEG image (e.g 768x512).