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Merge branch 'master' of https://github.com/tencentmusic/cube-studio
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@ -10,7 +10,7 @@ OCR的核心技术包含两方面,一是目标检测模型检测图片中的
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第一类验证码最简单,它们没有复杂的背景图片,所以目标检测模型可以省略,直接将图片送入文字识别模型即可。
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![image](https://user-images.githubusercontent.com/20157705/191401415-90e25e7e-07c6-49b2-9dae-57a476357c84.png)
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<img src="https://user-images.githubusercontent.com/20157705/191401415-90e25e7e-07c6-49b2-9dae-57a476357c84.png" width="50%" height="50%">
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识别代码如下:
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@ -33,7 +33,8 @@ print(res)
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第二类验证码有复杂的背景,需要先用目标检测模型框出文字,在进行识别
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![image](https://user-images.githubusercontent.com/20157705/191401494-aa46d882-6be9-4499-b95b-667c7ce92385.png)
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<img src="https://user-images.githubusercontent.com/20157705/191401494-aa46d882-6be9-4499-b95b-667c7ce92385.png" width="30%" height="30%">
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代码如下:
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@ -63,13 +64,18 @@ cv2.imwrite("result.jpg", im)
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输出结果如下:
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![image](https://user-images.githubusercontent.com/20157705/191401572-43eb066c-e1cb-451b-8656-260df3a7b0e3.png)
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<img src="https://user-images.githubusercontent.com/20157705/191401572-43eb066c-e1cb-451b-8656-260df3a7b0e3.png" width="30%" height="30%">
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<img src="https://user-images.githubusercontent.com/20157705/191405904-82c00b1e-9e70-433f-bbc0-ca8bb48d7bf1.png" width="30%" height="30%">
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可以看到文字部分已经被框出来了,如果我们在上述代码直接将`im[y1:y2, x1:x2]`送入文字识别模型,就可以识别出对应的文本内容了。
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`ddddocr`还能识别下面这种带滑块的验证码
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![image](https://user-images.githubusercontent.com/20157705/191401644-10dd8c3a-5475-40fe-ab5c-87137b1ffcf7.png)
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<img src="https://user-images.githubusercontent.com/20157705/191401644-10dd8c3a-5475-40fe-ab5c-87137b1ffcf7.png" width="30%" height="30%">
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这种虽然不属于OCR的业务范畴,但作为一个通用的验证码识别工具,作者还是支持了,必须给作者点个赞。
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