A recent literature review systematically evaluated machine learning models and applications in Optical Character Recognition (OCR) over the past decade. The study, adhering to PRISMA guidelines, analyzed 97 selected papers from January 2015 to January 2025. It traced the evolution of AI models, application domains, data types, and linguistic coverage, highlighting advancements in handling script variations, writing styles, and degraded documents. The review also identified persistent challenges such as limited resources for underrepresented languages, variability in handwriting, and real-time processing constraints, proposing future directions like self-supervised learning and multimodal AI. AI
IMPACT Provides a comprehensive overview of OCR advancements, guiding future research and industrial applications.
RANK_REASON The item is a systematic literature review paper published on arXiv. [lever_c_demoted from research: ic=1 ai=1.0]
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