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Pain Assessment System

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The current standard for assessing infants' pain is inconsistent and intermittent and needs machine-based techniques to provide consistent and continuous assessment. The automated assessment of pain has three main stages, preprocessing, pain analysis or feature extraction, and pain recognition. This paper presents a comprehensive review of the automated methods for pain analysis and recognition. It also gives descriptions of the databases that are available to researchers, discusses the current limitations of automated pain assessment systems, and suggests directions for future

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