手写英文字母
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大小写区分的英文手写字母数据集——Chars74K详解与扩展 Chars74K 是一个经典的英文手写字符识别数据集,专门针对大小写字母区分的任务设计,包含 62 个类别(26 个大写字母 A-Z、26 个小写字母 a-z 以及 10 个数字 0-9)。该数据集最初由 5,540 张自然场景图像(如路牌、书籍、广告等)和 3,410 张手写样本 组成,适用于 OCR(光学字符识别)和手写识别研究。
Case-Sensitive English Handwritten Character Dataset: Detailed Explanation and Extension of Chars74K Chars74K is a classic English handwritten character recognition dataset specifically designed for case-sensitive letter recognition tasks, encompassing 62 categories in total: 26 uppercase letters A-Z, 26 lowercase letters a-z, and 10 digits 0-9. Originally, this dataset was composed of 5,540 natural scene images (such as road signs, book pages, advertisements, and other scenarios) and 3,410 handwritten samples, which is applicable to research in OCR (Optical Character Recognition) and handwritten character recognition.




