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【功能超全】基于OpenCV车牌识别停车场管理系统软件开发【含python源码+PyqtUI界面+功能详解】-车牌识别python 深度学习实战项目

article 2024/10/24 10:40:24

背景及意义
车牌识别系统(Vehicle License Plate Recognition，VLPR) 是指能够检测到受监控路面的车辆并自动提取车辆牌照信息（含汉字字符、英文字母、阿拉伯数字及号牌颜色）进行处理的技术。车牌识别是现代智能交通系统中的重要组成部分之一，应用十分广泛。本文详细介绍了车牌识别技术的基本实现原理，并且基于python与pyqt开发了一套功能完整的车牌识别的停车场管理系统软件，实现了通过图片或者摄像头的方式进行进出停车场车辆车牌自动识别、车牌登记信息录入、已登记车辆有效期时间管理、车辆进出记录管理以及外来车辆收费系统等功能。本文提供了完整的Python代码和使用教程，给感兴趣的小伙伴参考学习，完整的代码资源文件获取方式见文末。

前言

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详细视频演示

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部分截图如下：

在这里插入图片描述

技术栈

Python语言;
机器学习/深度学习相关算法；
YOLOv;
Django框架;
前端框架Vue;
MySQL数据库;
前后端；

数据集

本项目提供有训练数据集

核心代码

# coding:utf-8
__author__ = "ila"

from django.http import JsonResponse

from .users_model import users
from util.codes import *
from util.auth import Auth
import util.message as mes
from dj2.settings import host,port,user,passwd,dbName,hasHadoop

def users_login(request):
    if request.method in ["POST", "GET"]:
        msg = {'code': normal_code, "msg": mes.normal_code}
        req_dict = request.session.get("req_dict")
        if req_dict.get('role')!=None:
            del req_dict['role']
        
        datas = users.getbyparams(users, users, req_dict)
        if not datas:
            msg['code'] = password_error_code
            msg['msg'] = mes.password_error_code
            return JsonResponse(msg)

        req_dict['id'] = datas[0].get('id')
        return Auth.authenticate(Auth, users, req_dict)


def users_register(request):
    if request.method in ["POST", "GET"]:
        msg = {'code': normal_code, "msg": mes.normal_code}
        req_dict = request.session.get("req_dict")

        error = users.createbyreq(users, users, req_dict)
        if error != None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg)


def users_session(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code,"msg":mes.normal_code, "data": {}}

        req_dict = {"id": request.session.get('params').get("id")}
        msg['data'] = users.getbyparams(users, users, req_dict)[0]

        return JsonResponse(msg)


def users_logout(request):
    if request.method in ["POST", "GET"]:
        msg = {
            "msg": "退出成功",
            "code": 0
        }

        return JsonResponse(msg)


def users_page(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code,
               "data": {"currPage": 1, "totalPage": 1, "total": 1, "pageSize": 10, "list": []}}
        req_dict = request.session.get("req_dict")
        tablename = request.session.get("tablename")
        try:
            __hasMessage__ = users.__hasMessage__
        except:
            __hasMessage__ = None
        if __hasMessage__ and __hasMessage__ != "否":

            if tablename != "users":
                req_dict["userid"] = request.session.get("params").get("id")
        if tablename == "users":
            msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \
            msg['data']['pageSize'] = users.page(users, users, req_dict)
        else:
            msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \
            msg['data']['pageSize'] = [],1,0,0,10

        return JsonResponse(msg)


def users_info(request, id_):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}

        data = users.getbyid(users, users, int(id_))
        if len(data) > 0:
            msg['data'] = data[0]
        # 浏览点击次数
        try:
            __browseClick__ = users.__browseClick__
        except:
            __browseClick__ = None

        if __browseClick__ and "clicknum" in users.getallcolumn(users, users):
            click_dict = {"id": int(id_), "clicknum": str(int(data[0].get("clicknum", 0)) + 1)}
            ret = users.updatebyparams(users, users, click_dict)
            if ret != None:
                msg['code'] = crud_error_code
                msg['msg'] = ret
        return JsonResponse(msg)


def users_save(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        req_dict['role'] = '管理员'
        error = users.createbyreq(users, users, req_dict)
        if error != None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg)


def users_update(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        if req_dict.get("mima") and req_dict.get("password"):
            if "mima" not in users.getallcolumn(users,users):
                del req_dict["mima"]
            if "password" not in users.getallcolumn(users,users):
                del req_dict["password"]
        try:
            del req_dict["clicknum"]
        except:
            pass
        error = users.updatebyparams(users, users, req_dict)
        if error != None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg)


def users_delete(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")

        error = users.deletes(users,
            users,
            req_dict.get("ids")
        )
        if error != None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg)