The objective of this study is to give an overview based on accuracy and error rate of how each OCR tools essentially works and how it can be utilized to provide assistance towards corpus building. In this study, all of the tools are manipulated to convert Adobe Portable Document Format (PDF) files into Plain Text File (txt). By comparing four OCR tools, the study has converted ten reports of Parliamentary Reports which contains a number of 62 pages to see the conversion accuracy and error rate of each conversion tool. This study intends to investigate the performances of OCR tools in converting the Parliamentary Reports of Hansard Malaysia for developing the Malaysian Hansard Corpus (MHC). An OCR tool is able to enhance the accuracy of the results which as well relies on pre-processing and subdivision of algorithms.
#Best free pdf ocr tool for free
There are a various numbers of OCR tools in the market for commercial and research use, which are obtainable for free or restrained with purchases.
It runs by converting images or texts that are scanned beforehand into machine-readable and editable texts. Optical Character Recognition (OCR) is a tool in computational technology that allows a recognition of printed characters by manipulating photoelectric devices and computer software.
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