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ocra: toolbox for analyzing text fragments (OrientationPredictor).

Project description

ocra

ocra — Python-библиотека с инструментами анализа фрагментов печатного текста (сканы, вырезки и т.п.). Первый инструмент — OrientationPredictor:

Установка

pip install ocra

OrientationPredictor

Определяет ориентацию фрагмента как HORZ (горизонт) или VERT (вертикаль). Объяснение OrientationPredictor Пример:

from ocra import OrientationPredictor

IMAGE_PATH = r"examples\hrk_463.png"

def main():
    model = OrientationPredictor()

    result = model.predict_path(IMAGE_PATH)
    label = "VERT" if result["pred"] == 1 else "HORZ"

    print("Path:", result["path"])
    print("Pred:", label, f"(class={result['pred']})")
    print(f"Prob VERT: {result['prob_vert']:.4f}")
    print(f"Prob HORZ: {result['prob_horz']:.4f}")
    print(f"Aspect (w/h): {result['aspect']:.4f}")

if __name__ == "__main__":
    main()

Пример вывода:

Path: examples\hrk_463.png
Pred: HORZ (class=0)
Prob VERT: 0.0001
Prob HORZ: 0.9999
Aspect (w/h): 6.5926

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