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Dataset Description
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Dataset Composition
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LRCB Dataset (Low-Resolution Coffee Bean)
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Images: 656 images
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Resolution Range: 480×640 to 800×600 pixels
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Source: Smartphone camera captures under various environmental conditions
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Purpose: Simulates typical consumer applications, mobile scanning scenarios, and low-end imaging devices
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HRCB Dataset (High-Resolution Coffee Bean)
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Images: 503 high-quality images
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Resolution Range: 1920×1080 to 4000×3000 pixels
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Source: Professional cameras and high-end mobile devices
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Purpose: Represents scenarios with high-quality imaging equipment, professional product photography, and premium mobile captures
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POIE Dataset (Product OCR Image Evaluation)
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Type: Public validation dataset
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Purpose: Cross-domain evaluation and generalization testing
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Coverage: Diverse product categories beyond coffee packaging
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Dataset Description: This dataset contains comprehensive coffee bean package images specifically designed for Optical Character Recognition (OCR) tasks.
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The collection includes three distinct datasets: LRCB (Low-Resolution Coffee Bean), HRCB (High-Resolution Coffee Bean), and POIE (Product OCR Image Evaluation), providing researchers and practitioners with diverse image qualities and real-world scenarios for developing and evaluating OCR systems.
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Dataset Composition:
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LRCB Dataset (Low-Resolution Coffee Bean)
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Images: 656 images
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Resolution Range: 480×640 to 800×600 pixels
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Source: Smartphone camera captures under various environmental conditions
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Purpose: Simulates typical consumer applications, mobile scanning scenarios, and low-end imaging devices
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HRCB Dataset (High-Resolution Coffee Bean)
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Images: 503 high-quality images
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Resolution Range: 1920×1080 to 4000×3000 pixels
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Source: Professional cameras and high-end mobile devices
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Purpose: Represents scenarios with high-quality imaging equipment, professional product photography, and premium mobile captures
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POIE Dataset (Product OCR Image Evaluation)
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Type: Public validation dataset
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Purpose: Cross-domain evaluation and generalization testing
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Coverage: Diverse product categories beyond coffee packaging
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