Usage
ifexport input-filename output-filename [options...]
Options
| - -format | 
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| - -center | Set center of intensity window. 
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| - -auto | Set half-width of intensity window as a multiple of the standard deviation. 
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| - -scale | Set size of output image. A value of 1 is default and creates an output image the same size as the input image. A value of 2 will double the size of the output image. | 
| - -min | Set the minimum intensity value. | 
| - -max | Set the maximum intensity value. |