🧠Diagnosing and Fixing Memory-Related Crashes in an iOS OCR App
Investigation and fixes for a 6.7% crash rate in KotenOCR, an iOS OCR app using ONNX Runtime with 6 models totaling ~230MB on disk.
iosswiftmemoryonnx
📜KotenOCR v1.3.0: Dual OCR Modes for Classical and Modern Japanese Text
KotenOCR v1.3.0 adds NDLOCR-Lite support for modern printed text OCR alongside the existing classical text (kuzushiji) mode, with one-tap mode switching and parallelized recognition for up to 6.7x speedup.
iosocrkuzushijindl
⚡Parallelizing OCR Recognition on iOS with Swift Concurrency for up to 6.7x Speedup
Using withThrowingTaskGroup to parallelize OCR recognition in an iOS app, achieving 1.4x to 6.7x speedup depending on the number of detected text regions.
iosswiftconcurrencyocr
📜KotenOCR: An Offline iOS App for Recognizing Classical Japanese Cursive Script
KotenOCR is a free iOS app that runs the NDL Koten OCR-Lite model entirely on-device, enabling offline recognition of kuzushiji (classical Japanese cursive script) from photos.
iosocrkuzushijiswift