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ReadImageFile() does not handle bad TIFF tags #11

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brossetti opened this issue Jun 23, 2021 · 0 comments
Open

ReadImageFile() does not handle bad TIFF tags #11

brossetti opened this issue Jun 23, 2021 · 0 comments
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enhancement New feature or request

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@brossetti
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ITK expects nicely formatted TIFFs. When bad TIFF tags are encountered, ITK prints a warning. ReadImageFile should be modified to handle the malformed tags before ITK complains.

Here is an example of the warnings when running an LLSM TIFF through the deskew module:

TIFFReadDirectoryCheckOrder: Warning, Invalid TIFF directory; tags are not sorted in ascending order.
TIFFReadDirectory: Warning, Unknown field with tag 32781 (0x800d) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40000 (0x9c40) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40001 (0x9c41) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40002 (0x9c42) encountered.
TIFFFetchNormalTag: Warning, ASCII value for tag "Tag 32781" does not end in null byte. Forcing it to be null.
TIFFFetchNormalTag: Warning, ASCII value for tag "ImageDescription" does not end in null byte.
TIFFReadDirectoryCheckOrder: Warning, Invalid TIFF directory; tags are not sorted in ascending order.
TIFFReadDirectory: Warning, Unknown field with tag 32781 (0x800d) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40000 (0x9c40) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40001 (0x9c41) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40002 (0x9c42) encountered.
TIFFFetchNormalTag: Warning, ASCII value for tag "Tag 32781" does not end in null byte. Forcing it to be null.
TIFFFetchNormalTag: Warning, ASCII value for tag "ImageDescription" does not end in null byte.
TIFFReadDirectoryCheckOrder: Warning, Invalid TIFF directory; tags are not sorted in ascending order.
TIFFReadDirectory: Warning, Unknown field with tag 32781 (0x800d) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40000 (0x9c40) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40001 (0x9c41) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40002 (0x9c42) encountered.
TIFFFetchNormalTag: Warning, ASCII value for tag "Tag 32781" does not end in null byte. Forcing it to be null.
TIFFFetchNormalTag: Warning, ASCII value for tag "ImageDescription" does not end in null byte.
TIFFReadDirectoryCheckOrder: Warning, Invalid TIFF directory; tags are not sorted in ascending order.
TIFFReadDirectory: Warning, Unknown field with tag 32781 (0x800d) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40000 (0x9c40) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40001 (0x9c41) encountered.
TIFFReadDirectory: Warning, Unknown field with tag 40002 (0x9c42) encountered.
TIFFFetchNormalTag: Warning, ASCII value for tag "Tag 32781" does not end in null byte. Forcing it to be null.
TIFFFetchNormalTag: Warning, ASCII value for tag "ImageDescription" does not end in null byte.
@brossetti brossetti added the enhancement New feature or request label Jun 23, 2021
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