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- Timestamp:
-
03/12/11 18:26:45 (13 years ago)
- Author:
-
jburel
- Comment:
-
Legend:
- Unmodified
- Added
- Removed
- Modified
-
-
Property
Status
changed from
new
to
accepted
- Property Cc jmoore jrswedlow dzmacdonald added
-
Property
Component
changed from
General
to
Bio-Formats
-
Property
Remaining Time
changed from
1.5
to
0.5
-
Property
Summary
changed from
JPEG based tiling
to
B-F JPEG2000 based tiling
-
Property
Priority
changed from
minor
to
critical
- Property Owner changed from dzmacdonald to jburel
-
Property
Sprint
changed from
2011-02-24 (6)
to
2011-03-24 (8)
-
|
initial
|
v5
|
|
| 1 | 1 | Investigation of JPEG2000 based tiling should be performed. |
| | 2 | see #4648 |
| | 3 | |
| | 4 | Run various tests with medium and large size images. I used directly the !TiffWriter |
| | 5 | Configuration: |
| | 6 | * Tile size 256x256 |
| | 7 | * JPEG2000 Lossy |
| | 8 | |
| | 9 | Results: |
| | 10 | * medium size, on my machine, 27s to generate the resulting tiff 16.6M original file -> 4.6M |
| | 11 | * large size time to generate 3minutes 317M -> 12.8M. '''Require VM size -Xmx1024000000''' |
| | 12 | |
| | 13 | JP2 tiles in separate files: (see #4648) |
| | 14 | * no need to increase VM for large files ( |
| | 15 | * number of files to relate. Usage of OpenZoom structure to store? |
| | 16 | |
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