{"id":444,"date":"2018-12-18T05:48:25","date_gmt":"2018-12-18T07:48:25","guid":{"rendered":"http:\/\/web.inf.ufpr.br\/vri\/?page_id=444"},"modified":"2019-11-01T14:15:01","modified_gmt":"2019-11-01T17:15:01","slug":"gbn","status":"publish","type":"page","link":"https:\/\/web.inf.ufpr.br\/vri\/databases\/gbn\/","title":{"rendered":"German-Brazilian Newspapers (GBN) Dataset"},"content":{"rendered":"\n

\"\"<\/p>\n

\u00a0The GBN Dataset (v1.0)[1] consists of 152 grayscale page images from eight diferent German-Brazilian historical newspapers, along with their binarized images and ground files. It is a dataset created for evaluation of layout analysis methods.<\/p>\n

Complex layouts, poor preservation conditions of the paper, old spelling, different font sizes and the presence of multiple languages in the same page are some of the challenges of historical newspaper layout analysis that are present in the GBN Dataset. There are also pages with a slightly transparent paper and some blurs, which makes the dataset more challenging.<\/p>\n

The dataset samples belong to the dbp digital<\/em><\/a> collection from the dokumente.br<\/em><\/a> initiative which has as one of<\/span><\/span> the goals to digitally\u00a0reconstruct the complete collection of these newspapers.<\/p>\n

The pages of eight\u00a0different newspaper titles were scanned at 600 dpi and are available in PNG format. The following table shows the composition and distribution of these images from the dataset.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Newspaper Title<\/strong><\/td>\nPublishing date<\/strong><\/td>\nScript<\/strong><\/td>\nLanguage<\/strong><\/td>\nImage size (in pixels)<\/strong><\/td>\n# training pages<\/strong><\/td>\n# testing pages<\/strong><\/td>\n<\/tr>\n
“Der Gemeindebote”<\/td>\n1935-1938<\/td>\nFraktur<\/td>\nGerman<\/td>\n3850 x 5480<\/td>\n\u00a019<\/td>\n05<\/td>\n<\/tr>\n
“Der Jugendfreund”<\/td>\n1911-1917<\/td>\nFraktur<\/td>\nGerman<\/td>\nfrom 2650 x 3950 to 5320 x 8050
<\/span><\/span><\/td>\n		\u00a015<\/td>\n\u00a003<\/td>\n<\/tr>\n
“Der Pioner”<\/td>\n1888-1891<\/td>\nFraktur \/ Latin<\/td>\nPortuguese \/ German<\/td>\n\u00a07100 x 10590<\/td>\n\u00a017<\/td>\n\u00a005<\/td>\n<\/tr>\n
“Der Sandwirt”<\/td>\n1934-1940<\/td>\nFraktur<\/td>\nGerman<\/td>\n4250 x 6020<\/td>\n\u00a017<\/td>\n\u00a005<\/td>\n<\/tr>\n
“Evangelissch-Lutherisches Kirchenblatt”<\/td>\n1916-1919<\/td>\nFraktur<\/td>\nGerman<\/td>\n2590 x 3690
<\/span><\/td>\n		\u00a017<\/td>\n\u00a005<\/td>\n<\/tr>\n
“Kolonie Zeitung”<\/td>\n1863-1889<\/td>\nFraktur \/ Latin<\/td>\nPortuguese \/ German<\/td>\n\n

5470 x 7010
<\/span><\/p>\n

6700 x 8400<\/p>\n

7050 x 9300<\/p>\n<\/td>\n

\u00a017<\/td>\n\u00a005<\/td>\n<\/tr>\n
“Gemeindeblatt”<\/td>\n1938<\/td>\nFraktur<\/td>\nGerman<\/td>\n3850 x 5870
<\/span><\/td>\n		\u00a0–<\/td>\n\u00a008<\/td>\n<\/tr>\n
“Heimatbote”<\/td>\n1936<\/td>\nFraktur<\/td>\nGerman<\/td>\n3850 x 5480<\/td>\n\u00a0–<\/td>\n\u00a014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The GBN Dataset is composed of:<\/span><\/span><\/p>\n