Task #4117 (new)
Opened 14 years ago
Last modified 6 years ago
Support for Group 3 Fax TIFF compression
Reported by: | curtis | Owned by: | |
---|---|---|---|
Priority: | major | Milestone: | Unscheduled |
Component: | Bio-Formats | Version: | OMERO-5.2.0 |
Keywords: | codec, TiffReader, external, new-feature | Cc: | mahogny@…, bf@… |
Resources: | n.a. | Referenced By: | n.a. |
References: | n.a. | Remaining Time: | n.a. |
Sprint: | n.a. |
Description (last modified by mlinkert)
Bio-Formats does not currently support CCITT T.4 bi-level encoding (Group 3 Fax) compression.
A sample dataset can be found at tiff/johan/20100118145019727.tif.
Change History (7)
comment:1 Changed 13 years ago by jmoore
comment:2 Changed 13 years ago by mlinkert
- Description modified (diff)
- Milestone changed from Unscheduled to OMERO-Beta4.3.2
comment:3 Changed 13 years ago by mlinkert
- Milestone changed from OMERO-Beta4.3.2 to Unscheduled
comment:4 Changed 8 years ago by mlinkert
- Keywords codec TiffReader external new-feature added
- Owner mlinkert deleted
- Priority changed from minor to major
- Version set to OMERO-5.2.0
Bumping the priority, since this issue comes up semi-regularly. The spec for Group 3 fax encoding is in curated/specs/ITU-T-T.4.pdf, so this is primarily implementing the decompression algorithm as specified (plus a small change to the TiffCompression? class).
comment:5 Changed 8 years ago by mlinkert
comment:6 Changed 6 years ago by mtbcarroll
- Cc bf@… added
Sample data also provided in https://www.openmicroscopy.org/qa2/qa/feedback/27074/.
comment:7 Changed 6 years ago by mtbcarroll
- Cc bf@… added; bf@… removed
imported from bio-formats:#467