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带带弟弟OCR

Project description

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带带弟弟OCR通用验证码识别SDK免费开源版

2021/12/24重大更新,ddddocr现在支持通用目标检测啦

交流群(找对象,在苏州,dd群主)

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环境要求

python <= 3.9

Windows/Linux/Macos..

暂时不支持Macbook M1(X),M1(X)用户需要自己编译onnxruntime才可以使用

调用方法

pip install ddddocr

1、文字识别模式

import ddddocr
ocr = ddddocr.DdddOcr()
with open('test.png', 'rb') as f:
    img_bytes = f.read()
res = ocr.classification(img_bytes=img_bytes)
print(res)

或者传入图片 base64 编码值(不包含图片头)

import ddddocr
ocr = ddddocr.DdddOcr()
img_base64 = 'img_base64' # 示例
res = ocr.classification(img_base64=img_base64)
print(res)

2、目标检测模式

import ddddocr
det = ddddocr.DdddOcr(det=True)

with open('test.jpg', 'rb') as f:
    img_bytes = f.read()

res = det.detection(img_bytes)
print(res)

3、参数说明

DdddOcr 接受三个参数

参数名 默认值 说明
det False Bool 默认为识别文字模式,为True则开启目标检测模式
use_gpu False Bool 是否使用gpu进行推理,如果该值为False则device_id不生效
device_id 0 int cuda设备号,目前仅支持单张显卡

classification

必须det参数为False后才可使用

参数名 默认值 说明
img_bytes None bytes 图片的bytes格式
img_base64 None 图片的 base64 编码值(不包含图片头)

detection

必须det参数为False后才可使用

参数名 默认值 说明
img_bytes None bytes 图片的bytes格式
img_base64 None 图片的 base64 编码值(不包含图片头)

说明,当 img_bytesimg_base64 都存在时,优先使用 img_bytes

如果使用GPU,需要自行安装cuda和cudnn,并在安装完ddddocr时执行
pip uninstall onnxrumtime
然后手动执行
pip install onnxruntime-gpu

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