ResearchTasksLetter RecognitionLetter RecognitionFollowBenchmarksDatasetSOTA methodSortMost resultsRecently updatedMost papersApplyDatasetSOTA methodMetricTrendResultsLast updatedNIST SD 19 letters* (26) (test)MCDNN1.83Average Error Rate9Feb 26, 2026Hell-Char (20% stratified test)ResNet18-PT+FT (ours)83.1Accuracy8Jun 25, 2026NIST SD 19 letters (52) (test)MCDNN21.01Average Error Rate2Feb 26, 2026