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简介

利用 onnxruntime 及 PaddleOCR 提供的模型, 对图片中的文字进行检测与识别.

使用模型

  • 文字检测: ch_PP-OCRv3_det_infer
  • 方向分类: cls mobile v2
  • 文字识别: ch_PP-OCRv2_rec_infer

参考

安装

pip install ydocr

使用

import cv2
from ydocr.predict_system import TextSystem,order_onrow

text_sys = TextSystem()

# 识别单行文本
res = text_sys.ocr_single_line(cv2.imread('single_line_text.png'))
print(res)

# 批量识别单行文本
res = text_sys.ocr_lines([cv2.imread('single_line_text.png')])
print(res[0])

# 检测并识别文本
img = cv2.imread('test.png')
res = text_sys.detect_and_ocr(img)
for boxed_result in res:
    print("{}, {:.3f}".format(boxed_result.ocr_text, boxed_result.score))


# 检测并识别文本(换行执行)
from ydocr.predict_system import TextSystem,order_onrow
img = cv2.imread('test.png')
res = text_sys.detect_and_ocr(img)
res = order_onrow(res)

#检测并识别文本,图片源是网络图片
from urllib.request import urlopen
def cv_imread_url(img_url):
    resp = urlopen(img_url)
    img = np.asarray(bytearray(resp.read()), dtype=np.uint8)
    img = cv2.imdecode(img, cv2.IMREAD_COLOR)
    return img 

img = cv_imread_url('https://imgurl.png')

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