飞机行程单识别
功能介绍
识别飞机行程单中的文字信息,并以JSON格式返回识别的结构化结果。该接口的使用限制请参见约束与限制,详细使用指导请参见OCR服务使用简介章节。
如果图片中包含多张卡证票据,请调用智能分类识别服务。
约束与限制
- 支持识别PNG、JPG、JPEG、BMP、TIFF格式的图片。
- 图像各边的像素大小在15px到8192px之间。
- 支持图像中行程单任意角度的水平旋转。
- 能处理反光、暗光等干扰的图片但影响识别精度。
调用方法
请参见如何调用API。
前提条件
在使用之前,需要您完成服务申请和认证鉴权,具体操作流程请参见开通服务和认证鉴权章节。
用户首次使用需要先申请开通。服务只需要开通一次即可,后面使用时无需再次申请。如未开通服务,调用服务时会提示ModelArts.4204报错,请在调用服务前先进入控制台开通服务,并注意开通服务区域与调用服务的区域保持一致。
URI
POST /v2/{project_id}/ocr/flight-itinerary
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
用户Token。 用于获取操作API的权限。获取Token接口响应消息头中X-Subject-Token的值即为Token。 |
Content-Type |
是 |
String |
发送的实体的MIME类型,参数值为“application/json”。 |
Enterprise-Project-Id |
否 |
String |
企业项目ID。OCR支持通过企业项目管理(EPS)对不同用户组和用户的资源使用,进行分账。 获取方法:进入“企业项目管理”页面,单击企业项目名称,在企业项目详情页获取Enterprise-Project-Id(企业项目ID)。
企业项目创建步骤请参见用户指南。
说明:
创建企业项目后,在传参时,有以下三类场景。
|
参数 |
是否必选 |
参数类型 |
说明 |
---|---|---|---|
image |
否 |
String |
该参数与url二选一。 图片的Base64编码,要求Base64编码后大小不超过10MB。 图片最短边不小于15px,最长边不超过8192px,支持JPEG、JPG、PNG、BMP、TIFF格式。 图片Base64编码示例如/9j/4AAQSkZJRgABAg...,带有多余前缀会产生The image format is not supported报错。 |
url |
否 |
String |
该参数与image二选一。图片的url路径,目前支持:
说明:
|
响应参数
根据识别的结果,可能有不同的HTTP响应状态码(status code)。例如,200表示API调用成功,400表示调用失败,详细的状态码和响应参数说明如下。
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
result |
FlightItineraryResult object |
识别结果。 调用失败时不返回此字段。 |
参数 |
参数类型 |
描述 |
---|---|---|
serial_number |
String |
印刷序号。 |
passenger_name |
String |
旅客姓名。 |
id_number |
String |
有效身份证件号码。 |
endorsements_restrictions |
String |
备注。 |
order_number |
String |
订单号。 |
fare |
String |
票价。 |
caac_development_fund |
String |
民航(CAAC)发展基金。 |
fuel_surcharge |
String |
燃油附加费。 |
other_taxes |
String |
其他税费。 |
total |
String |
合计。 |
e_ticket_number |
String |
电子客票号码。 |
check_code |
String |
验证码。 |
reference_information |
String |
提示信息。 |
insurance |
String |
保险费。 |
agent_code |
String |
销售单位代号。 |
issue_organization |
String |
填开单位。 |
issue_date |
String |
填开日期。 |
tax |
String |
增值税税额。 |
tax_rate |
String |
增值税税率。 |
buyer_name |
String |
购买方名称。 |
buyer_id |
String |
购买方纳税人识别号。 |
number |
String |
发票号码。 |
international_flag |
String |
国内国际标签。 |
issue_status |
String |
开具状态。 |
itinerary_list |
Array of ItineraryList objects |
机票行程列表。 |
confidence |
Object |
字段的置信度,取值范围0~1。 置信度越大,本次识别的字段的可靠性越高,在统计意义上,置信度越大,准确率越高。 置信度由算法给出,不直接等价于字段的准确率。 |
参数 |
参数类型 |
描述 |
---|---|---|
departure_station |
String |
始发站。 |
destination_station |
String |
目的站。 |
carrier |
String |
承运人。 |
flight |
String |
航班号。 |
cabin_class |
String |
座位等级。 |
date |
String |
日期。 |
time |
String |
时间。 |
fare_basis |
String |
客票类别。 |
effective_date |
String |
客票生效日期。 |
expiry_date |
String |
有效截止日期。 |
baggage_allowance |
String |
免费行李。 |
状态码: 400
参数 |
参数类型 |
说明 |
---|---|---|
error_code |
String |
调用失败时的错误码,具体请参见错误码。 调用成功时不返回此字段。 |
error_msg |
String |
调用失败时返回的错误信息。 调用成功时不返回此字段。 |
请求示例
- 传入飞机行程单图片的base64编码进行文字识别
POST https://{endpoint}/v2/{project_id}/ocr/flight-itinerary Request Header: Content-Type: application/json X-Auth-Token: MIINRwYJKoZIhvcNAQcCoIINODCCDTQCAQExDTALBglghkgBZQMEAgEwgguVBgkqhkiG... Request Body: { "image":"/9j/4AAQSkZJRgABAgEASABIAAD/4RFZRXhpZgAATU0AKgAAAA..." }
- 传入飞机行程单图片的url进行文字识别
POST https://{endpoint}/v2/{project_id}/ocr/flight-itinerary Request Header: Content-Type: application/json X-Auth-Token: MIINRwYJKoZIhvcNAQcCoIINODCCDTQCAQExDTALBglghkgBZQMEAgEwgguVBgkqhkiG... Request Body: { "url":"https://BucketName.obs.xxxx.com/ObjectName" }
响应示例
状态码:200
成功响应示例
{ "result": { "serial_number": "12XXXXXXX22", "passenger_name": "WANG/SAN", "id_number": "GXXXXXX08", "endorsements_restrictions": "Q/不得签转/退改收费", "fare": "CNY 2340.00", "caac_development_fund": "CN 100.00", "fuel_surcharge": "XXXX", "other_taxes": "", "total": "CNY 2440.00", "e_ticket_number": "73XXXXXXXX008", "check_code": "3XXX", "reference_information": "白云机场起飞前45分停办值机", "insurance": "XXX", "agent_code": "SXXXXX 00XXXX66", "issue_organization": "XX航空股份有限公司", "issue_date": "2017-12-27", "tax" : "", "tax_rate" : "", "buyer_name" : "", "buyer_id" : "", "number" : "", "international_flag" : "", "issue_status" : "", "itinerary_list": [ { "departure_station": "T2上海虹桥", "destination_station": "广州", "carrier": "X航", "flight": "XXXXXX", "cabin_class": "B", "date": "2017-12-27", "time": "13:00", "fare_basis": "B", "effective_date": "", "expiry_date": "", "baggage_allowance": "20K" }, { "departure_station": "广州", "destination_station": "上海虹桥", "carrier": "XXXX", "flight": "XXXXXX", "cabin_class": "B", "date": "2017-12-29", "time": "16:30", "fare_basis": "B", "effective_date": "", "expiry_date": "", "baggage_allowance": "20K" } ], "confidence":{ "serial_number": 0.9993, "passenger_name": 0.9851, "id_number": 0.9836, "endorsements_restrictions": 0.998, "fare": 0.9882, "caac_development_fund": 0.993, "fuel_surcharge": 0.9968, "other_taxes": 0, "total": 0.9999, "e_ticket_number": 0.9631, "check_code": 0.9985, "reference_information": 0.9982, "insurance": 0.7749, "agent_code": 0.9913, "issue_organization": 0.7142, "issue_date": 0.9936, "tax" : "0,", "tax_rate" : "0,", "buyer_name" : "0,", "buyer_id" : "0,", "number" : "0,", "international_flag" : "0,", "issue_status" : "0,", "itinerary_list": [ { "departure_station": 0.9987, "destination_station": 0.9577, "carrier": 0.9677, "flight": 0.9957, "cabin_class": 0.8744, "date": 0.9993, "time": 0.9978, "fare_basis": 0.4006, "effective_date": 0, "expiry_date": 0, "baggage_allowance": 0.9897 }, { "departure_station": 0.9995, "destination_station": 0.9844, "carrier": 0.9763, "flight": 0.7453, "cabin_class": 0.4239, "date": 0.76, "time": 0.7311, "fare_basis": 0.4353, "effective_date": 0, "expiry_date": 0, "baggage_allowance": 0.5265 } ] } } }
状态码:400
失败响应示例
{ "error_code": "AIS.0103", "error_msg": "The image size does not meet the requirements." }
SDK代码示例
SDK代码示例如下。
使用SDK前建议将SDK更新至最新版,防止本地旧版SDK无法使用最新的OCR功能。
- 传入飞机行程单图片的base64编码进行文字识别
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.ocr.v1.region.OcrRegion; import com.huaweicloud.sdk.ocr.v1.*; import com.huaweicloud.sdk.ocr.v1.model.*; public class RecognizeFlightItinerarySolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); OcrClient client = OcrClient.newBuilder() .withCredential(auth) .withRegion(OcrRegion.valueOf("<YOUR REGION>")) .build(); RecognizeFlightItineraryRequest request = new RecognizeFlightItineraryRequest(); FlightItineraryRequestBody body = new FlightItineraryRequestBody(); body.withImage("/9j/4AAQSkZJRgABAgEASABIAAD/4RFZRXhpZgAATU0AKgAAAA..."); request.withBody(body); try { RecognizeFlightItineraryResponse response = client.recognizeFlightItinerary(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } }
- 传入飞机行程单图片的url进行文字识别
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.ocr.v1.region.OcrRegion; import com.huaweicloud.sdk.ocr.v1.*; import com.huaweicloud.sdk.ocr.v1.model.*; public class RecognizeFlightItinerarySolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); OcrClient client = OcrClient.newBuilder() .withCredential(auth) .withRegion(OcrRegion.valueOf("<YOUR REGION>")) .build(); RecognizeFlightItineraryRequest request = new RecognizeFlightItineraryRequest(); FlightItineraryRequestBody body = new FlightItineraryRequestBody(); body.withUrl("https://BucketName.obs.myhuaweicloud.com/ObjectName"); request.withBody(body); try { RecognizeFlightItineraryResponse response = client.recognizeFlightItinerary(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } }
- 传入飞机行程单图片的base64编码进行文字识别
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# coding: utf-8 from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkocr.v1.region.ocr_region import OcrRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkocr.v1 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.getenv("CLOUD_SDK_AK") sk = os.getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = OcrClient.new_builder() \ .with_credentials(credentials) \ .with_region(OcrRegion.value_of("<YOUR REGION>")) \ .build() try: request = RecognizeFlightItineraryRequest() request.body = FlightItineraryRequestBody( image="/9j/4AAQSkZJRgABAgEASABIAAD/4RFZRXhpZgAATU0AKgAAAA..." ) response = client.recognize_flight_itinerary(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
- 传入飞机行程单图片的url进行文字识别
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# coding: utf-8 from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkocr.v1.region.ocr_region import OcrRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkocr.v1 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.getenv("CLOUD_SDK_AK") sk = os.getenv("CLOUD_SDK_SK") credentials = BasicCredentials(ak, sk) \ client = OcrClient.new_builder() \ .with_credentials(credentials) \ .with_region(OcrRegion.value_of("<YOUR REGION>")) \ .build() try: request = RecognizeFlightItineraryRequest() request.body = FlightItineraryRequestBody( url="https://BucketName.obs.myhuaweicloud.com/ObjectName" ) response = client.recognize_flight_itinerary(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg)
- 传入飞机行程单图片的base64编码进行文字识别
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" ocr "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := ocr.NewOcrClient( ocr.OcrClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.RecognizeFlightItineraryRequest{} imageFlightItineraryRequestBody:= "/9j/4AAQSkZJRgABAgEASABIAAD/4RFZRXhpZgAATU0AKgAAAA..." request.Body = &model.FlightItineraryRequestBody{ Image: &imageFlightItineraryRequestBody, } response, err := client.RecognizeFlightItinerary(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }
- 传入飞机行程单图片的url进行文字识别
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" ocr "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/ocr/v1/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). Build() client := ocr.NewOcrClient( ocr.OcrClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.RecognizeFlightItineraryRequest{} urlFlightItineraryRequestBody:= "https://BucketName.obs.myhuaweicloud.com/ObjectName" request.Body = &model.FlightItineraryRequestBody{ Url: &urlFlightItineraryRequestBody, } response, err := client.RecognizeFlightItinerary(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } }
更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。
状态码
状态码 |
描述 |
---|---|
200 |
成功响应示例 |
400 |
失败响应示例 |
状态码请参见状态码。
错误码
错误码请参见错误码。