To extract English texts - $ sudo apt install tesseract-ocr$ tesseract your_image_name.png extracted_text.txt
To extract Simplified Chinese texts -
$ sudo apt install tesseract-ocr tesseract-ocr-chi-sim
$ tesseract your_image.tiff output_text.txt -l chi_sim
To extract Traditional Chinese texts -
$ sudo apt install tesseract-ocr tesseract-ocr-chi-tra
$ tesseract your_image.tiff output_text.txt -l chi_tra
To extract multiple languages, e.g. English and Simplified Chinese, and Traditional Chinese texts -
$ tesseract your_image.tiff output_text.txt -l eng+chi_sim+chi_tra
