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name: latin_g2_jpqd |
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description: Latin script text recognition model (CRNN) optimized with JPQD quantization |
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framework: ONNX |
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task: text-recognition |
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domain: computer-vision |
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subdomain: optical-character-recognition |
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model_info: |
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architecture: CRNN (CNN + BiLSTM + CTC) |
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language: Latin script languages |
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supported_languages: |
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- English |
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- Spanish |
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- French |
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- German |
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- Italian |
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- Portuguese |
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- Dutch |
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- Polish |
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- Czech |
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- Romanian |
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- And other Latin-based languages |
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num_classes: 352 |
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original_source: EasyOCR |
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optimization: JPQD quantization |
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specifications: |
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input_shape: [1, 1, 32, 100] |
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input_type: float32 |
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input_format: Grayscale |
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output_shape: [1, 25, 352] |
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output_type: float32 |
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batch_size: dynamic |
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sequence_length: 25 |
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performance: |
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original_size_mb: 14.7 |
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optimized_size_mb: 8.5 |
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compression_ratio: 3.97 |
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inference_time_cpu_ms: ~12 |
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accuracy_retention: ">95%" |
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deployment: |
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runtime: onnxruntime |
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hardware: CPU-optimized |
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precision: INT8 weights, FP32 activations |
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memory_usage_mb: ~15 |
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usage: |
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preprocessing: |
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- Convert to grayscale |
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- Resize to 32x100 (height x width) |
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- Normalize to [0,1] |
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- Add batch and channel dimensions |
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postprocessing: |
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- Apply CTC decoding |
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- Convert indices to characters |
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- Remove blank tokens and duplicates |
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supported_characters: |
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basic_latin: "a-z, A-Z, 0-9" |
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latin_extended: "À-ÿ (Latin-1 Supplement)" |
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punctuation: "Standard punctuation marks" |
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symbols: "Common symbols and currency" |
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diacritics: "Accented characters for European languages" |
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character_coverage: |
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- "Basic Latin (U+0020-U+007F)" |
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- "Latin-1 Supplement (U+0080-U+00FF)" |
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- "Latin Extended-A (U+0100-U+017F)" |
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- "Latin Extended-B (U+0180-U+024F)" |
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- "Combining Diacritical Marks (U+0300-U+036F)" |
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training_data: |
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type: Multilingual synthetic and real text images |
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languages: Multiple Latin script languages |
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domains: Documents, natural scenes, printed text, handwriting |
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use_cases: |
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- Multilingual document processing |
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- European language OCR |
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- International text recognition |
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- Multilingual forms processing |
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license: apache-2.0 |
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tags: |
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- text-recognition |
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- latin |
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- multilingual |
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- crnn |
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- lstm |
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- ocr |
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- onnx |
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- quantized |
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- jpqd |
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- european-languages |
