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BOOSTING PERFORMANCE IN NEURAL NETWORKS
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1993
Year
Machine VisionMachine LearningData ScienceImage AnalysisPattern RecognitionBoosting AlgorithmRaw Error RateEngineeringText RecognitionMachine Learning ModelOptical Character RecognitionComputer ScienceStatistical Pattern RecognitionClassifier SystemCharacter RecognitionDeep LearningNeural Architecture SearchComputer Vision
A boosting algorithm, based on the probably approximately correct (PAC) learning model is used to construct an ensemble of neural networks that significantly improves performance (compared to a single network) in optical character recognition (OCR) problems. The effect of boosting is reported on four handwritten image databases consisting of 12000 digits from segmented ZIP Codes from the United States Postal Service and the following from the National Institute of Standards and Technology: 220000 digits, 45000 upper case letters, and 45000 lower case letters. We use two performance measures: the raw error rate (no rejects) and the reject rate required to achieve a 1% error rate on the patterns not rejected. Boosting improved performance significantly, and, in some cases, dramatically.