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网站开发人员薪酬,公司注册地址可以变更吗,万网建站教程,云服务器上放多个网站1.欢迎点赞、关注、批评、指正，互三走起来，小手动起来！ 2.了解、学习OCR相关技术知识领域，结合日常的场景进行测试、总结。如本文总结的flaskpaddleocrbootstrap搭建OCR文本推理WEB服务应用示例场景。文章目录 1.代码结构2.效果演…

1.欢迎点赞、关注、批评、指正，互三走起来，小手动起来！
2.了解、学习OCR相关技术知识领域，结合日常的场景进行测试、总结。如本文总结的flask+paddleocr+bootstrap搭建OCR文本推理WEB服务应用示例场景。

文章目录

- 1.代码结构
- 2.效果演示
- 3.接口返回
- 4.代码详情
- - 4.1 `HTML`代码详情
  - 4.2`Python`代码详情
- 5.PaddleOCR模型推理参数解释
- 6.后续展望

1.代码结构

如下图所示：

2.效果演示

详情如下：

3.接口返回

接口测试效果图

返回结果详情部分示例

{"error_code": "000000","error_msg": "识别成功","filename": "cstp2.png","recognize_time": "5890","result": [{"points": [[14.0,11.0],[108.0,11.0],[108.0,40.0],[14.0,40.0]],"score": 0.979973316192627,"text": "性别：男"},{"points": [[289.0,11.0],[400.0,9.0],[401.0,37.0],[290.0,39.0]],"score": 0.8993546962738037,"text": "住院号："},{"points": [[677.0,2.0],[713.0,12.0],[707.0,31.0],[672.0,21.0]],"score": 0.6370271444320679,"text": "贝别："}]
}

4.代码详情

4.1 `HTML`代码详情

<!DOCTYPE html>
<html>
<meta charset="utf-8">
<head><title>OCR文字检测识别试运行系统</title><!--静态加载 样式--><link rel="stylesheet" href={{ url_for('static',filename='bootstrap-3.4.1/css/bootstrap.min.css') }}></link><link rel="stylesheet" href={{ url_for('static',filename='css/upload.css') }}></link><link rel="stylesheet" href={{ url_for('static',filename='css/36buttons.css') }}></link>
</head>
<body>
<div class="header"><div class="title">【OCR】PP-OCRv3 文字检测识别试运行系统v0.3.0</div>
</div><ul class="menu"><li><a href="/upload/">通用文本检测识别处理</a></li>
</ul><div class="content"><!--上传图片文件--><div id="upload_file"><form id="fileForm" action="/upload/" method="POST" enctype="multipart/form-data"><div class="form-group"><input type="file" class="form-control" id="_upload_file" name="upload_file">
<!--                <label class="sr-only" for="upload_file">上传图片</label>--></br><button id="resetButton" name="resetButton" type="reset" class="button green">重置推理结果</button></div></form></div>
</div>
</div><div id="show" style="display: none;"><!--显示上传的图片--><div class="col-md-6" style="border: 2px solid #ddd;"></br><span class="label label-info" style="font-size: 24px;"><<<<<< 原始图片展示 >>>>>> </br></span><!--静态加载 图片, url_for() 动态生成路径 --></br><img id="src_pic_show" src="" alt="Image preview area..." title="preview-img" class="img-responsive"></div><div class="col-md-6" style="border: 2px solid #ddd;"><!--显示识别结果JSON报文列表--></br><span class="label label-info" style="font-size: 24px;"><<<<<< 推理结果详情 >>>>>> </br></span></br><!-- 结果显示区 --><div id="result_show" style="font-size: 28px;">客官，您提交的任务加急推理中......</div></div>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script src="http://malsup.github.io/jquery.form.js"></script><script type="text/javascript">var fileInput = document.querySelector('input[type=file]');var previewImg = document.querySelector('img');{#上传图片事件#}fileInput.addEventListener('change', function () {var file = this.files;var reader = new FileReader();//显示预览界面$("#show").css("display", "block");// 监听reader对象的的onload事件，当图片加载完成时，把base64编码賦值给预览图片reader.addEventListener("load", function () {previewImg.src = reader.result;}, false);// 调用reader.readAsDataURL()方法，把图片转成base64reader.readAsDataURL(file);//初始化输出结果信息$("#result_show").html("</br>客官，您提交的任务加急推理中......");{#上传图片识别表单事件，并显示识别结果信息#}{# ajaxSubmit 请求异步响应#}$("#fileForm").ajaxSubmit(function (data) {var inner = '<table border="1"> <thead> <tr> <th>序号</th> <th>文本目标</th> <th>置信度分数</th> </tr> </thead> <tbody>';//循环输出返回结果，响应识别结果为每行列表var inc = 1;for (var i in data['result']) {var text = data['result'][i]['text'];var score = data['result'][i]['score'];inner += "<tr><td>" + inc + "</td>" + "<td>" + text + "</td>" + "<td>" + score + "</td></tr>";inc += 1;}inner += '</tbody></table>'//清空输出结果信息$("#result_show").html("");//添加识别结果信息$("#show").append( inner );});}, false);document.getElementById('resetButton').addEventListener('click', function() {document.getElementById('src_pic_show').src = '';$('#result_show').empty();});
</script>

4.2`Python`代码详情

源代码

import json
import os
import time
import numpy as np
import pandas as pd
from pyautogui import *
from paddleocr import PaddleOCR
from PIL import Image, ImageDraw
from flask import Flask, render_template, request, jsonify
# 应用名称，当前py名称，视图函数
app = Flask(__name__)
# 相对路径
BASE_DIR = os.path.dirname(os.path.basename(__name__))# 上传文件路径
UPLOAD_DIR = os.path.join(os.path.join(BASE_DIR, 'static'), 'upload')def ocr_img2text( image ):result_dict = {'result': []}paddleocr = PaddleOCR(det_model_dir='./inference/ch_PP-OCRv3_det_infer/',rec_model_dir='./inference/ch_PP-OCRv3_rec_infer/',cls_model_dir='./inference/ch_ppocr_mobile_v2.0_cls_infer/',use_angle_cls=True, lang="ch", use_gpu=True)if image == "":image = screenshot()  # 使用pyautogui进行截图操作image = np.array(image)else:# 不为空就打开image = Image.open(image).convert('RGB')image = np.array(image)  # 经提醒，需要添加arrayprint( image, type(image) )# 识别图片文件result0 = paddleocr.ocr( image, cls=True )result = result0[0]# for line in result0:#     for word in line:#         print( word )for index in range(len(result)):line = result[index]p_dict = {}points = line[1]text = line[1][0]score = line[1][1]p_dict['points'] = pointsp_dict['text'] = textp_dict['score'] = scoreresult_dict['result'].append( p_dict )return result_dict@app.route('/')
def upload_file():return render_template('upload.html')@app.route('/upload/', methods=['GET', 'POST'])
def upload():if request.method == 'POST':# 每个上传的文件首先会保存在服务器上的临时位置，然后将其实际保存到它的最终位置。filedata = request.files['upload_file']upload_filename = filedata.filenameprint(upload_filename)# 保存文件到指定路径# 目标文件的名称可以是硬编码的，也可以从 request.files[file] 对象的 filename 属性中获取。# 但是，建议使用 secure_filename() 函数获取它的安全版本if not os.path.exists(UPLOAD_DIR):os.makedirs(UPLOAD_DIR)img_path = os.path.join(UPLOAD_DIR, upload_filename)filedata.save(img_path)start = time.time()# 打开图片img1 = Image.open(img_path)# 识别图片result_dict = ocr_img2text(img_path)# 识别时间end = time.time()recognize_time = int((end - start) * 1000)result_dict["filename"] = upload_filenameresult_dict["recognize_time"] = str(recognize_time)result_dict["error_code"] = "000000"result_dict["error_msg"] = "识别成功"return jsonify(result_dict)else:return render_template('upload.html')