On Nov 24, 2006, at 12:59 PM, Adam Maas wrote: > Oh, and Pentax is likely using the DNG compression algorithm with > PEF's. As far as I'm aware it is LZW, the unofficial standard > method for TIFF's, which would be a no-brainer for implementation > on a TIFF-based format like PEF.
I was under the impression that DNG compression was JPEG2000 set to lossless quality encoding, not LZW. LZW is not a particularly efficient algorithm for image data. Godfrey -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
