23 <H2>Acknowledgements</H2> |
23 <H2>Acknowledgements</H2> |
24 |
24 |
25 The libtiff software was written by Sam Leffler while working for |
25 The libtiff software was written by Sam Leffler while working for |
26 Silicon Graphics.<p> |
26 Silicon Graphics.<p> |
27 |
27 |
28 The LZW algorithm is derived from the compress program (the proper |
28 The LZW algorithm is derived from the compress program (the proper attribution |
29 attribution is included in the source code). The Group 3 fax stuff |
29 is included in the source code). The Group 3 fax stuff originated as code |
30 originated as code from Jef Poskanzer, but has since been rewritten |
30 from Jef Poskanzer, but has since been rewritten several times. The latest |
31 several times. The latest version uses an algorithm from Frank |
31 version uses an algorithm from Frank Cringle -- consult |
32 Cringle -- consult <TT>libtiff/mkg3states.c</TT> and |
32 <TT>libtiff/mkg3states.c</TT> and <TT>libtiff/tif_fax3.h</TT> for further |
33 <TT>libtiff/tif_fax3.h</TT> for further information. |
33 information. The JPEG support was written by Tom Lane and is dependent on the |
34 The JPEG support was written by Tom Lane and is dependent on the |
34 excellent work of Tom Lane and the Independent JPEG Group (IJG) who distribute |
35 excellent work of Tom Lane and the Independent JPEG Group (IJG) |
35 their work under friendly licensing similar to this software. Joris Van Damme |
36 who distribute their work under friendly licensing similar to this |
36 implemented the robust Old JPEG decoder (as included in libtiff since version |
37 software. |
37 3.9.0, there was another Old JPEG module in older releases, which was |
38 Many other people have by now helped with bug fixes and code; a |
38 incomplete and unsuitable for many existing images of that format). JBIG |
39 few of the more persistent contributors have been: |
39 module was written by Lee Howard and depends on JBIG library from the Markus |
|
40 Kuhn. Many other people have by now helped with bug fixes and code; a few of |
|
41 the more persistent contributors have been: |
40 |
42 |
41 <PRE> |
43 <PRE> |
42 Bjorn P. Brox |
44 Bjorn P. Brox |
43 Dan McCoy |
45 Dan McCoy |
44 J.T. Conklin |
46 J.T. Conklin |