It is not the tesseract that produces conf as string but pytesseract.
You can not convert float string to int directly in python. Check your
python tutorial how to do it correctly.
On Fri, 17 Sep 2021, 09:27 Brunitus Nishimura, <brunitu...@gmail.com> wrote:
> Could anyone explain why tesseract recognizes "conf" as a string ?
>
> 1. import pytesseract
> 2. import cv2
> 3. from pytesseract import Output
> 4.
> 5. pytesseract.pytesseract.tesseract_cmd = r"C:\Program
> Files\Tesseract-OCR\tesseract.exe"
> 6. img =
>
> cv2.imread(r"C:\Users\Documents\Python\OCR\Programa\teste_manuscrito_01.jpg")
> 7. rgb = cv2.cvtColor (img, cv2.COLOR_BGR2RGB)
> 8.
> 9. resultado = pytesseract.image_to_data(rgb, lang='por',
> output_type=Output.DICT)
> 10.
> 11. print(resultado)
> 12.
> 13. {'level': [1, 2, 3, 4, 5, 4, 5, 5],
> 14. 'page_num': [1, 1, 1, 1, 1, 1, 1, 1],
> 15. 'block_num': [0, 1, 1, 1, 1, 1, 1, 1],
> 16. 'par_num': [0, 0, 1, 1, 1, 1, 1, 1],
> 17. 'line_num': [0, 0, 0, 1, 1, 2, 2, 2],
> 18. 'word_num': [0, 0, 0, 0, 1, 0, 1, 2],
> 19. 'left': [0, 38, 38, 38, 38, 102, 102, 307],
> 20. 'top': [0, 79, 79, 79, 79, 228, 233, 228],
> 21. 'width': [700, 607, 607, 607, 607, 532, 77, 327],
> 22. 'height': [400, 236, 236, 92, 92, 87, 76, 87],
> 23. '*conf': ['-1', '-1', '-1', '-1', '90.214363', '-1', '77.749153',
> '61.677670'],*
> 24. 'text': ['', '', '', '', 'TESTANDO', '', 'O', 'OCR...']}
>
>
> ///////////////////////////////////////////
>
> confianca = int(resultado['conf'] [i])
>
> ValueError: invalid literal for int() with base 10: '90.214363'
>
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