lang-uk/perestoroha-ocr

Perestoroha OCR数据集包含手写索引卡，这些卡片记录了20世纪学者对17世纪早期乌克兰论战文本《Perestoroha》（作者Iov Boretskyi，于利沃夫，1605-1606年）的学术转录。卡片保留了古乌克兰语/鲁塞尼亚语的正字法，包括古旧变音符号、历史字母（ѣ, ѳ, ѵ）以及源文本独特的逐行布局。每条记录将一张300 DPI的卡片图像与行对齐的真实文本配对。

Handwritten index cards containing a 20th-century scholarly transcription of the early 17th-century Ukrainian polemical text *Perestoroha* (Пересторога) by Iov Boretskyi (Lviv, 1605–1606). The cards preserve Old Ukrainian / Ruthenian orthography with archaic diacritics, historical letters (ѣ, ѳ, ѵ), and the sources distinctive line-by-line layout. Each record pairs a 300 DPI card image with line-aligned ground-truth text.