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no multi-page TIFF, OCR-D/core#243 #132

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Jan 3, 2020
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no multi-page TIFF, OCR-D/core#243 #132

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b95c822
no multi-page TIFF, OCR-D/core#243
kba Dec 6, 2019
0be31eb
multi-image tiff: completely reject multi-image TIFF
kba Dec 17, 2019
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,10 @@ Versioned according to [Semantic Versioning](http://semver.org/).

## Unreleased

Added:

* No multi-page TIFF, #132

## [3.4.0] - 2019-11-05

Fixed
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8 changes: 8 additions & 0 deletions mets.md
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Expand Up @@ -34,6 +34,14 @@ However, since technical metadata about pixel density is so often lost in
conversion or inaccurate, processors should assume **300 ppi** for images with
missing or suspiciously low pixel density metadata.

## No multi-page images

Image formats like TIFF support encoding multiple images in a single file.

Data providers MUST provide single-image TIFF files.

OCR-D processors MUST raise an exception if they encounter multi-image TIFF files.

## Unique ID for the document processed

METS provided to the MP must be uniquely addressable within the global library community.
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