Update ocr_web_server.py

[jingsongliujing]

解决位深度为8的单通道在serving请求时的报错：https://github.com/PaddlePaddle/PaddleOCR/issues/8457

[paddle-bot[bot]]

Thanks for your contribution!

[jingsongliujing]

这个是图片的base6464

---Original--- From: @.> Date: Tue, Dec 6, 2022 15:26 PM To: @.>; Cc: @.@.>; Subject: Re: [PaddlePaddle/PaddleOCR] Update ocr_web_server.py (PR #8518)

@andyjpaddle commented on this pull request.

In deploy/pdserving/win/ocr_web_server.py: > @@ -52,6 +53,19 @@ def preprocess(self, feed=[], fetch=[]): data = base64.b64decode(feed[0]["image"].encode('utf8')) data = np.fromstring(data, np.uint8) im = cv2.imdecode(data, cv2.IMREAD_COLOR) + if(im is None): + buf = BytesIO() + image_decode = base64.b64decode(data["img"].encode())
这里的data["img"]是什么？

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[andyjiang1116]

feed[0]["image"]

感谢反馈，2.6分支为稳定分支，后续会先在dygraph分支进行修复，为防止冲突该PR暂时先不合入了