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README.md
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text, digits and punctuation decode natively; Japanese, Korean, Cyrillic and
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Arabic are not covered.
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## Files
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| File | Purpose |
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| `ppocr_det_dynamic.onnx` | fp32 detection, CPU reference for accuracy checks |
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| `ppocr_rec_dynamic.onnx` | fp32 recognition, CPU reference for accuracy checks |
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| `samples/sample.jpg` | Sample café menu card, 10 text lines |
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| `samples/sample.png` | Sample document page, 99 text lines |
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### Why four recognition models
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## Measured on SL2619
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Recognition scales with
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the bucket models are compiled with a static batch of 1.
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### About `sample.jpg`
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text, digits and punctuation decode natively; Japanese, Korean, Cyrillic and
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Arabic are not covered.
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| Input — `samples/sample.jpg` | NPU output — boxes + recognized text |
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|:---:|:---:|
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| <img src="https://huggingface.co/Synaptics/paddle-paddle-tiny/resolve/main/samples/sample.jpg" width="380"> | <img src="https://huggingface.co/Synaptics/paddle-paddle-tiny/resolve/main/assets/sample_ocr.jpg" width="380"> |
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All ten lines are read correctly at confidence ≥ 0.966, in 1.7 s end to end on
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an SL2619.
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## Files
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| File | Purpose |
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| `ppocr_det_dynamic.onnx` | fp32 detection, CPU reference for accuracy checks |
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| `ppocr_rec_dynamic.onnx` | fp32 recognition, CPU reference for accuracy checks |
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| `samples/sample.jpg` | Sample café menu card, 10 text lines |
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### Why four recognition models
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## Measured on SL2619
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`samples/sample.jpg`, 912×1200, 10 text lines detected:
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| Stage | Time |
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|---|---|
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| Detection (800×608) | ~0.53 s |
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| Recognition (10 lines, bucketed) | ~1.19 s |
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Recognition scales with the number of detected lines, because each line is a
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separate invocation — the bucket models are compiled with a static batch of 1.
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A dense page of 99 lines takes roughly 22 s.
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### About `sample.jpg`
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