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yeohray2
Malaysia
100 Posts |
 Posted - Nov 03 2022 : 04:44:00
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Hi, just wanted to ask if it's expected that when saving an image using the JPEG2000 lossless option, some values differ from the original image. Not a whole lot, but there are some differences.
However, this only happens in 32-bit applications using the Delphi code. Using ielib32.dll or ielib64.dll, there are no differences.
Thanks in advance.
Ray |
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xequte
38222 Posts |
Posted - Nov 03 2022 : 22:52:23
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Hi Ray
Are you referring to changes to the meta-data?
If so, then that is expected.
Nigel
Xequte Software
www.imageen.com
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yeohray2
Malaysia
100 Posts |
Posted - Nov 08 2022 : 03:29:57
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It's the image itself. I'm attaching a sample project with the image I'm using. If I run the test (32-bit build) with ielib32.dll, I have 0 differences between the original DICOM image and the saved DICOM image. If I remove ielib32.dll, I have 30k+ differences.
Thanks in advance.
Ray
attach/yeohray2/202211832935_test.zip
1206.18 KB |
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xequte
38222 Posts |
Posted - Nov 10 2022 : 14:51:22
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Thanks, we will investigate. However you should use ielib if you need JPEG2000 support. It is a much improved implementation.
Nigel
Xequte Software
www.imageen.com
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yeohray2
Malaysia
100 Posts |
Posted - Nov 10 2022 : 18:17:29
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Noted, will do. Thanks.
Ray |
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Using JPEG2000 lossless option to save images
