alexa Development of an optical character recognition pipeline for handwritten form fields from an electronic health record.
Biomedical Sciences

Biomedical Sciences

International Journal of Biomedical Data Mining

Author(s): Rasmussen LV, Peissig PL, McCarty CA, Starren J

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Abstract BACKGROUND: Although the penetration of electronic health records is increasing rapidly, much of the historical medical record is only available in handwritten notes and forms, which require labor-intensive, human chart abstraction for some clinical research. The few previous studies on automated extraction of data from these handwritten notes have focused on monolithic, custom-developed recognition systems or third-party systems that require proprietary forms. METHODS: We present an optical character recognition processing pipeline, which leverages the capabilities of existing third-party optical character recognition engines, and provides the flexibility offered by a modular custom-developed system. The system was configured and run on a selected set of form fields extracted from a corpus of handwritten ophthalmology forms. OBSERVATIONS: The processing pipeline allowed multiple configurations to be run, with the optimal configuration consisting of the Nuance and LEADTOOLS engines running in parallel with a positive predictive value of 94.6\% and a sensitivity of 13.5\%. DISCUSSION: While limitations exist, preliminary experience from this project yielded insights on the generalizability and applicability of integrating multiple, inexpensive general-purpose third-party optical character recognition engines in a modular pipeline.
This article was published in J Am Med Inform Assoc and referenced in International Journal of Biomedical Data Mining

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