RecognizeVehicleCertification
支持车辆型号、车辆识别代号、底盘型号、发动机型号等字段进行结构化提取
服务地址:
华东1(杭州)
输入参数
只看必填
Url* 本字段和body字段二选一
body* 本字段和URL字段二选一
插件下载了解更多
VS Code 插件
安装插件之前,确保已安装 VS Code安装插件之前,确保已安装 VS Code
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JetBrains 插件
安装插件之前,确保已安装 JetBrains IDE安装插件之前,确保已安装 JetBrains IDE
The Alibaba Cloud Developer Toolkit for JetBrains makes it easier to access Alibaba Cloud services.

接口说明

本接口适用场景

  • 阿里云车辆合格证识别,是阿里云官方自研 OCR 文字识别产品,适用于识别车辆合格证所包含的车辆型号、车辆识别代号、地盘型号、发动机型号等关键信息的场景。
  • 阿里云 OCR 产品基于阿里巴巴达摩院强大的 AI 技术及海量数据,历经多年沉淀打磨,具有服务稳定、操作简易、实时性高、能力全面等几大优势。
  • 本接口图片示例

本接口核心能力

分类概述
图像增强默认支持图像增强,包括图像自动旋转、畸变自动矫正、模糊图片自动增强等能力。
多类型覆盖支持模糊、光照不均、透视畸变、任意背景等低质量图像识别。
高精度识别总体识别准确率可达 97%。

如何使用本接口

步骤概述
1开通 车辆物流识别 服务。开通服务前后,您可以通过体验馆免费体验本功能识别效果。
2购买车辆合格证识别资源包。本 API 会赠送免费额度,可使用免费额度测试。您也可以不购买资源包,系统会通过“按量付费”方式按实际调用量自动扣款。
3可以参照调试页面提供的代码示例完成 API 接入开发。接入完成后,调用 API 获取识别结果。如果使用子账号调用接口,需要阿里云账号(主账号)对 RAM 账号进行授权。创建 RAM 用户的具体操作,请参考:创建 RAM 用户。文字识别服务提供一种系统授权策略,即 AliyunOCRFullAccess。具体授权操作,请参见在用户页面为 RAM 用户授权。

重要提示

类型概述
图片格式
  • 本接口支持:PNG、JPG、JPEG、BMP、GIF、TIFF、WebP。暂不支持 PDF 格式。
图片尺寸
  • 图片长宽需要大于 15 像素,小于 8192 像素。
  • 长宽比需要小于 50。
  • 如需达到较好识别效果,建议长宽均大于 500px。
  • 图片尺寸过小,会影响识别精度。图片内单字大小在 10-50px 内时,识别效果较好。
图片大小
  • 图片二进制文件不能超过 10MB。
  • 图片过大会影响接口响应速度,建议使用小于 1.5M 图片进行识别,且通过传图片 URL 的方式调用接口。
其他提示
  • 接口会自动处理反光、扭曲等干扰信息,但会影响精度。请尽量选择清晰度高、无反光、无扭曲的图片。
相关能力

请求参数

字段名称字段详情
Urlstring
  • 本字段和 body 字段二选一,不可同时透传或同时为空。展开详情
示例值:https://img.alicdn.com/imgextra/i1/O1CN0196uE7i1FXD9TpYqLy_!!6000000000496-0-tps-3024-4032.jpg字符长度 <= 2048
bodystring<binary>
  • 本字段和 URL 字段二选一,不可同时透传或同时为空。展开详情
示例值:图片二进制

返回参数

字段名称字段详情
RequestIdstring

请求唯一 ID

示例值:43A29C77-405E-4CC0-BC55-EE694AD00655
Datastring

返回数据

示例值:{"data":{"certificateNumber":"YG170ZLM1234567","issueDate":"2021年01月01日","manufactureName":"中国重汽集团济南卡车股份有限公司","vehicleBrand":"豪沃牌","vehicleName":"自卸汽车","vehicleModel":"ZZ3257N414GE1","vinCode":"LZZ1ELSEXLW644557","vehicleColor":"水晶红","chassisModel":"ZZ3257N384GE1","chassisId":"2578516","chassisCertificateNumber":"","engineModel":"WP10H400E50","engineNumber":"7520K064819","fuelType":"柴油","displacement":"9500","power":"294","emissionStandard":"GB17691-2005国V","fuelConsumption":"","overallDimension":"8920×2550×3450","containerDimension":"6000×2350×1500","springNumber":"11/12","tireNumber":"10","tireSize":"12.00R2016PR","frontWheelTrack":"2022","rearWheelTrack":"1850/1850","wheelbase":"4125+1350","axleLoad":"7000/18000(二轴组)","axleNumber":"3","steeringForm":"方向盘","totalWeight":"25000","equipmentWeight":"12500","maximumLadenMass":"12370","massUtilizationCoefficient":"1.00","tractionWeight":"","MaximumLoadMass":"","cabPassengerCapacity":"2","passengerCapacity":"","maxDesignSpeed":"80","manufactureDate":"2020年12月03日","remarks":"备注:货厢自卸方式为后卸。"},"ftype":1,"height":4032,"orgHeight":4032,"orgWidth":3024,"prism_keyValueInfo":[{"key":"certificateNumber","keyProb":100,"value":"YG170ZLM1234567","valuePos":[{"x":554,"y":85},{"x":932,"y":84},{"x":932,"y":133},{"x":554,"y":135}],"valueProb":100},{"key":"issueDate","keyProb":100,"value":"2021年01月01日","valuePos":[{"x":1637,"y":132},{"x":1639,"y":82},{"x":2002,"y":91},{"x":2001,"y":142}],"valueProb":100},{"key":"manufactureName","keyProb":100,"value":"中国重汽集团济南卡车股份有限公司","valuePos":[{"x":552,"y":212},{"x":554,"y":164},{"x":1265,"y":180},{"x":1264,"y":229}],"valueProb":100},{"key":"vehicleBrand","keyProb":100,"value":"豪沃牌","valuePos":[{"x":554,"y":292},{"x":556,"y":240},{"x":693,"y":243},{"x":692,"y":296}],"valueProb":100},{"key":"vehicleName","keyProb":100,"value":"自卸汽车","valuePos":[{"x":1338,"y":257},{"x":1338,"y":307},{"x":1161,"y":307},{"x":1161,"y":257}],"valueProb":100},{"key":"vehicleModel","keyProb":100,"value":"ZZ3257N414GE1","valuePos":[{"x":550,"y":366},{"x":551,"y":319},{"x":846,"y":325},{"x":845,"y":372}],"valueProb":100},{"key":"vinCode","keyProb":100,"value":"LZZ1ELSEXLW644557","valuePos":[{"x":1636,"y":373},{"x":1638,"y":328},{"x":2016,"y":352},{"x":2013,"y":397}],"valueProb":100},{"key":"vehicleColor","keyProb":100,"value":"水晶红","valuePos":[{"x":554,"y":447},{"x":554,"y":395},{"x":690,"y":398},{"x":689,"y":449}],"valueProb":100},{"key":"chassisModel","keyProb":100,"value":"ZZ3257N384GE1","valuePos":[{"x":550,"y":521},{"x":550,"y":474},{"x":848,"y":480},{"x":847,"y":526}],"valueProb":100},{"key":"chassisId","keyProb":100,"value":"2578516","valuePos":[{"x":1635,"y":529},{"x":1637,"y":485},{"x":1801,"y":489},{"x":1800,"y":534}],"valueProb":100},{"key":"chassisCertificateNumber","keyProb":100,"value":"","valueProb":100},{"key":"engineModel","keyProb":100,"value":"WP10H400E50","valuePos":[{"x":1634,"y":607},{"x":1635,"y":562},{"x":1886,"y":570},{"x":1884,"y":614}],"valueProb":100},{"key":"engineNumber","keyProb":100,"value":"7520K064819","valuePos":[{"x":548,"y":672},{"x":549,"y":631},{"x":804,"y":635},{"x":804,"y":676}],"valueProb":100},{"key":"fuelType","keyProb":100,"value":"柴油","valuePos":[{"x":641,"y":705},{"x":641,"y":755},{"x":550,"y":755},{"x":550,"y":705}],"valueProb":100},{"key":"displacement","keyProb":100,"value":"9500","valuePos":[{"x":1631,"y":760},{"x":1631,"y":719},{"x":1728,"y":722},{"x":1727,"y":762}],"valueProb":100},{"key":"power","keyProb":100,"value":"294","valuePos":[{"x":2002,"y":729},{"x":2002,"y":769},{"x":1930,"y":769},{"x":1930,"y":729}],"valueProb":100},{"key":"emissionStandard","keyProb":100,"value":"GB17691-2005国V","valuePos":[{"x":545,"y":828},{"x":545,"y":782},{"x":904,"y":789},{"x":903,"y":835}],"valueProb":100},{"key":"fuelConsumption","keyProb":100,"value":"","valueProb":100},{"key":"overallDimension","keyProb":100,"value":"8920×2550×3450","valuePos":[{"x":547,"y":979},{"x":548,"y":939},{"x":1042,"y":950},{"x":1041,"y":989}],"valueProb":100},{"key":"containerDimension","keyProb":100,"value":"6000×2350×1500","valuePos":[{"x":1628,"y":992},{"x":1629,"y":949},{"x":2119,"y":962},{"x":2117,"y":1005}],"valueProb":100},{"key":"springNumber","keyProb":100,"value":"11/12","valuePos":[{"x":662,"y":1017},{"x":663,"y":1059},{"x":549,"y":1060},{"x":548,"y":1018}],"valueProb":100},{"key":"tireNumber","keyProb":100,"value":"10","valuePos":[{"x":1676,"y":1032},{"x":1676,"y":1073},{"x":1628,"y":1073},{"x":1628,"y":1032}],"valueProb":100},{"key":"tireSize","keyProb":100,"value":"12.00R2016PR","valuePos":[{"x":545,"y":1133},{"x":546,"y":1094},{"x":839,"y":1099},{"x":839,"y":1139}],"valueProb":100},{"key":"frontWheelTrack","keyProb":100,"value":"2022","valuePos":[{"x":640,"y":1169},{"x":640,"y":1208},{"x":545,"y":1210},{"x":544,"y":1170}],"valueProb":100},{"key":"rearWheelTrack","keyProb":100,"value":"1850/1850","valuePos":[{"x":1148,"y":1223},{"x":1149,"y":1183},{"x":1349,"y":1186},{"x":1349,"y":1227}],"valueProb":100},{"key":"wheelbase","keyProb":100,"value":"4125+1350","valuePos":[{"x":546,"y":1286},{"x":547,"y":1244},{"x":752,"y":1248},{"x":751,"y":1290}],"valueProb":100},{"key":"axleLoad","keyProb":100,"value":"7000/18000(二轴组)","valuePos":[{"x":539,"y":1364},{"x":539,"y":1316},{"x":946,"y":1325},{"x":945,"y":1372}],"valueProb":100},{"key":"axleNumber","keyProb":100,"value":"3","valuePos":[{"x":567,"y":1398},{"x":567,"y":1438},{"x":541,"y":1438},{"x":541,"y":1398}],"valueProb":100},{"key":"steeringForm","keyProb":100,"value":"方向盘","valuePos":[{"x":1757,"y":1412},{"x":1757,"y":1463},{"x":1622,"y":1464},{"x":1622,"y":1413}],"valueProb":100},{"key":"totalWeight","keyProb":100,"value":"25000","valuePos":[{"x":536,"y":1512},{"x":538,"y":1471},{"x":658,"y":1475},{"x":657,"y":1515}],"valueProb":100},{"key":"equipmentWeight","keyProb":100,"value":"12500","valuePos":[{"x":1735,"y":1491},{"x":1736,"y":1532},{"x":1620,"y":1534},{"x":1620,"y":1492}],"valueProb":100},{"key":"maximumLadenMass","keyProb":100,"value":"12370","valuePos":[{"x":539,"y":1590},{"x":539,"y":1547},{"x":656,"y":1549},{"x":656,"y":1592}],"valueProb":100},{"key":"massUtilizationCoefficient","keyProb":100,"value":"1.00","valuePos":[{"x":1712,"y":1568},{"x":1712,"y":1608},{"x":1617,"y":1610},{"x":1616,"y":1569}],"valueProb":100},{"key":"tractionWeight","keyProb":100,"value":"","valueProb":100},{"key":"MaximumLoadMass","keyProb":100,"value":"","valueProb":100},{"key":"cabPassengerCapacity","keyProb":100,"value":"2","valuePos":[{"x":560,"y":1777},{"x":560,"y":1817},{"x":532,"y":1817},{"x":532,"y":1777}],"valueProb":100},{"key":"passengerCapacity","keyProb":100,"value":"","valueProb":100},{"key":"maxDesignSpeed","keyProb":100,"value":"80","valuePos":[{"x":581,"y":1931},{"x":581,"y":1971},{"x":530,"y":1971},{"x":530,"y":1931}],"valueProb":100},{"key":"manufactureDate","keyProb":100,"value":"2020年12月03日","valuePos":[{"x":840,"y":2003},{"x":841,"y":2048},{"x":523,"y":2052},{"x":522,"y":2006}],"valueProb":100},{"key":"remarks","keyProb":100,"value":"备注:货厢自卸方式为后卸。","valuePos":[{"x":620,"y":2080},{"x":620,"y":2130},{"x":54,"y":2134},{"x":53,"y":2083}],"valueProb":100}],"sliceRect":{"x0":330,"y0":466,"x1":2530,"y1":420,"x2":2544,"y2":3811,"x3":229,"y3":3746},"width":3024}
Codestring

错误码(如果识别成功,不会返回此字段)

示例值:noPermission
Messagestring

错误提示(如果识别成功,不会返回此字段)

示例值:You are not authorized to perform this operation.

返回说明

返回参数说明


字段类型说明
dataobject结构化信息。
angleint图片的角度,0 表示正向,90 表示图片朝右,180 朝下,270 朝左。
prism_keyValueInfolist结构化信息的坐标信息。
ftypeint是否为复印件(1:是,0:否)。
heightint算法矫正图片后的高度。
widthint算法矫正图片后的宽度。
orgHeightint原图的高度。
orgWidthint原图的宽度。
sliceRectlist检测出的子图坐标信息。

结构化信息(data 字段)

字段类型说明
MaximumLoadMassstring半挂车鞍座最大允许总质量。
axleLoadstring轴荷。
axleNumberstring轴数。
cabPassengerCapacitystring驾驶室准驾人数。
certificateNumberstring合格证编号。
chassisCertificateNumberstring底盘合格证编号。
chassisIdstring底盘 ID。
chassisModelstring底盘型号。
containerDimensionstring货箱内部尺寸。
displacementstring排量。
emissionStandardstring排放标准。
engineModelstring发动机型号。
engineNumberstring发动机号。
equipmentWeightstring装备质量。
frontWheelTrackstring轮距前。
fuelConsumptionstring油耗。
fuelTypestring燃料种类。枚举值为:天然气、汽油、混合动力、柴油、纯电动
issueDatestring发证日期。
manufactureDatestring车辆制造日期。
manufactureNamestring车辆制造企业名称。
massUtilizationCoefficientstring载质量利用系数。
maxDesignSpeedstring最高设计车速。
maximumLadenMassstring额定载质量。
overallDimensionstring外廓尺寸。
passengerCapacitystring额定载客。
powerstring功率。
rearWheelTrackstring轮距后。
remarksstring备注。
springNumberstring钢板弹簧数。
steeringFormstring转向形式。
tireNumberstring轮胎数。
tireSizestring轮胎规格。
totalWeightstring总质量。
tractionWeightstring准牵引总质量。
vehicleBrandstring车辆品牌。
vehicleColorstring车身颜色。
vehicleModelstring车辆型号。
vehicleNamestring车辆名称。
vinCodestring车辆识别代号/车架号。
wheelbasestring轴距。

结构化坐标信息(prism_keyValueInfo 字段)

字段类型说明
keystring识别出的字段名称。
keyProbint字段名称置信度。
valuestring识别出的字段名称对应的值。
valueProbint字段名称对应值的置信度。
valuePoslist字段在原图中的四个点坐标(左上、右上、右下、左下)。
变更历史
变更时间变更内容概要操作
2022-11-25
变更请求参数Url