- 2007.07.03 19:04 "Re: [Tiff] BigTIFF extension?", by Stephen Carlsen
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2007.07.03 19:09 "Re: [Tiff] BigTIFF extension?", by Bob Friesenhahn
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2007.07.04 15:58 "Re: [Tiff] BigTIFF extension?", by Phil Harvey
- 2007.07.04 11:37 "Re: [Tiff] BigTIFF extension?", by Phil Harvey
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2007.07.04 17:13 "[Tiff] 16-Bit-Per-Channel Lossless Compression", by Stephen Carlsen
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2007.07.04 17:24 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
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2007.07.04 17:26 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
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2007.07.04 17:49 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Stephen Carlsen
- 2007.07.04 18:00 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Joris Van Damme
- 2007.07.04 20:37 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
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2007.07.05 10:56 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andrey Kiselev
- 2007.07.05 12:03 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
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2007.07.05 17:58 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Stephen Carlsen
- 2007.07.04 18:02 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Joris Van Damme
- 2007.07.05 18:30 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Joris Van Damme
- 2007.07.06 01:46 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Chris Cox
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2007.07.04 17:49 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Stephen Carlsen
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2007.07.04 17:26 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
- 2007.07.04 17:28 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Michael Wolf
- 2007.07.04 17:36 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andrew Brooks
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2007.07.04 17:24 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Andy Cave
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2007.07.04 15:58 "Re: [Tiff] BigTIFF extension?", by Phil Harvey
- 2007.07.03 19:17 "Re: [Tiff] BigTIFF extension?", by Andy Cave
- 2007.07.04 11:53 "Re: [Tiff] BigTIFF extension?", by Phil Harvey
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2007.07.04 20:52 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.04 21:04 "Re: [Tiff] BigTIFF extension", by Toby Thain
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2007.07.05 05:07 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 08:09 "Re: [Tiff] BigTIFF extension", by Andy Cave
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2007.07.05 13:40 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 21:00 "Re: [Tiff] BigTIFF extension", by Chris Cox
- 2007.07.05 21:19 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 22:13 "Re: [Tiff] BigTIFF extension", by Bob Friesenhahn
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2007.08.06 22:48 "RE: [Tiff] Transparency ... associated or unassociated alpha is morecompatible?", by Chris Cox
- 2007.08.06 22:32 "RE: [Tiff] Transparency ... associated or unassociated alpha is morecompatible?", by Chris Cox
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2007.08.06 22:48 "RE: [Tiff] Transparency ... associated or unassociated alpha is morecompatible?", by Chris Cox
- 2007.07.06 12:36 "Re: [Tiff] BigTIFF extension", by Gary McGath
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2007.07.05 21:00 "Re: [Tiff] BigTIFF extension", by Chris Cox
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2007.07.05 13:40 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 08:09 "Re: [Tiff] BigTIFF extension", by Andy Cave
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2007.07.05 16:26 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 04:19 "RE: [Tiff] BigTIFF extension", by Kemp Watson
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2007.07.04 16:56 "[Tiff] BigTIFF extension", by Kemp Watson
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2007.07.04 17:35 "Re: [Tiff] BigTIFF extension", by Andrew Brooks
- 2007.07.04 18:13 "Re: [Tiff] BigTIFF extension", by John Aldridge
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2007.07.04 18:25 "Re: [Tiff] BigTIFF extension", by Phil Harvey
- 2007.07.04 18:52 "Re: [Tiff] BigTIFF extension", by Toby Thain
- 2007.07.04 19:17 "Re: [Tiff] BigTIFF extension", by Frank Warmerdam
- 2007.07.05 20:31 "Re: [Tiff] BigTIFF extension", by Chris Cox
- 2007.07.05 15:14 "[Tiff] BigTIFF - Aware Aperio version diff", by Kemp Watson
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2007.07.04 17:35 "Re: [Tiff] BigTIFF extension", by Andrew Brooks
- 2007.07.05 04:54 "RE: [Tiff] BigTIFF extension", by Stephen Carlsen
- 2007.07.05 16:32 "RE: [Tiff] BigTIFF extension", by Kemp Watson
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2007.07.04 16:56 "[Tiff] BigTIFF extension", by Kemp Watson
- 2007.07.05 18:56 "Re: [Tiff] BigTIFF extension", by Toby Thain
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2007.07.05 04:19 "RE: [Tiff] BigTIFF extension", by Kemp Watson
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2007.07.05 05:07 "Re: [Tiff] BigTIFF extension", by Joris Van Damme
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2007.07.05 10:06 "Re: [Tiff] BigTIFF extension", by John Aldridge
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2007.07.05 13:23 "[Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Gary McGath
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2007.07.05 13:56 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Joris Van Damme
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2007.07.05 14:14 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Gary McGath
- 2007.07.05 14:39 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Joris Van Damme
- 2007.07.05 15:26 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Andrey Kiselev
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2007.07.05 14:14 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Gary McGath
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2007.07.05 13:56 "Re: [Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Joris Van Damme
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2007.07.05 13:23 "[Tiff] Re: Tiff Digest, Vol 38, Issue 12", by Gary McGath
- 2007.07.05 16:51 "Re: [Tiff] BigTIFF extension", by Andrew Brooks
- 2007.07.09 16:11 "Re: [Tiff] BigTIFF extension", by Stephen Carlsen
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2007.07.04 21:04 "Re: [Tiff] BigTIFF extension", by Toby Thain
2007.07.05 19:29 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Stephen Carlsen
Joris et al,
Indeed, so in my compression tests I used single-row tiles. This may not be optimal for all applications, but it is where I get the best import and display performance with page layout programs, and, amazingly, my compression ratios were about the same as when I tried more-square tiles.
YMMV, of course...
Best regards,
Stephen
Separating 16-bit data into byte planes before compressing seems to be very effective. I get 40,882,548 bytes using the simple approach of applying LZW (with predictor) to the high byte plane and no compression on the low one.
The problem here is that it is no longer sequential, i.e. a decoder or encoder can no longer stream out line/block by line/block (where block is a very limited chunk of compressed data, as line is a minimal chunk of image), whilst streaming in the data as needed block/line by block/line, and maintaining only a mimimal buffer in between. Instead, total buffering of complete striles becomes necessary in this scheme. Therefore, it doesn't scale well (problem with LibTiff approach and huge striles), or doesn't stream well (problem with minimal buffering maximum throughput approach of AsTiff).