Dataset Open Access

Extracted Illustrations of the Berlin State Library's Digitized Collections (part 2 of 4)

Zellhöfer, David

This is part 2 of 4. The following dataset contains a reference the other ZIP files:

https://doi.org/10.5281/zenodo.2598101

The dataset consists of various illustrations extracted from 26,233 historical books and other media offered in the Berlin State Library's Digitized Collections. The media objects are older than 1920.

Version 1.0 contains of 594,890 extracted illustrations in total.

The extraction of illustrations is driven by the coordinates given by the ABBYY FineReader OCR engine (in ALTO XML) . The extracted illustrations have not been resized but compressed and saved in JPEG format.

Pre-trained models in order to separate color scales, hand-written signatures, library stamps or the like from interesting content are available under: https://github.com/elektrobohemian/imi-unicorns.

The extracts for each media object are stored in separated sub-folders and tar files named after the PPN (a unique ID used in the library) to facilitate further processing. Additional metadata can be obtained with help of the PPN as described here: https://github.com/elektrobohemian/StabiHacks/blob/master/ppn-howto.md .

The dataset is published as a set of ZIP files, each fitting on a Blu Ray disc. After decompression, the contents will consume ca. 166 GB.

This is part 2 of 4. The following dataset contains a reference the other ZIP files:

https://doi.org/10.5281/zenodo.2598101
Files (48.3 GB)
Name Size
extracted_images.zip.003
md5:e5f4bce674e6ce381608547468a6bdd9
24.2 GB Download
extracted_images.zip.004
md5:4d8e8b38d0052aef0cf1fed5070e82ae
24.2 GB Download
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