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Despeckling Existing Imagery

To despeckle existing MG3, MG4 and JPEG 2000 images without reencoding:

Use the ‑despeckleonly switch. For example:

mrsidgeoencoder -i foo.sid -o foo2.sid ‑despeckleonly

If you use this switch, you cannot specify any other encoding options except for tile length markers (‑tlm / ‑tilelengthmarkers; specify zero to disable), packet length markers (‑plt / ‑packetlengthmarkers or ‑noplt / ‑nopltmarkers), and tile parts (‑tp / ‑tileparts; specify N to disable). For more information see JPEG 2000 Encoding.