英文识别

最近更新时间:2024-08-28 02:10:49

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1. 接口描述

接口请求域名: ocr.tencentcloudapi.com 。

本接口支持图像英文文字的检测和识别,返回文字框位置与文字内容。支持多场景、任意版面下的英文、字母、数字和常见字符的识别,同时覆盖英文印刷体和英文手写体识别。

默认接口请求频率限制:10次/秒。

推荐使用 API Explorer
点击调试
API Explorer 提供了在线调用、签名验证、SDK 代码生成和快速检索接口等能力。您可查看每次调用的请求内容和返回结果以及自动生成 SDK 调用示例。

2. 输入参数

以下请求参数列表仅列出了接口请求参数和部分公共参数,完整公共参数列表见 公共请求参数

参数名称 必选 类型 描述
Action String 公共参数,本接口取值:EnglishOCR。
Version String 公共参数,本接口取值:2018-11-19。
Region String 公共参数,详见产品支持的 地域列表,本接口仅支持其中的: ap-beijing, ap-guangzhou, ap-hongkong, ap-shanghai 。
ImageBase64 String 图片的 Base64 值。
支持的图片格式:PNG、JPG、JPEG,暂不支持 GIF 格式。
支持的图片大小:所下载图片经Base64编码后不超过 7M。图片下载时间不超过 3 秒。像素须介于20-10000px之间。
图片的 ImageUrl、ImageBase64 必须提供一个,如果都提供,只使用 ImageUrl。
ImageUrl String 图片的 Url 地址。
支持的图片格式:PNG、JPG、JPEG,暂不支持 GIF 格式。
支持的图片大小:所下载图片经 Base64 编码后不超过 7M。图片下载时间不超过 3 秒。像素须介于20-10000px之间。
图片存储于腾讯云的 Url 可保障更高的下载速度和稳定性,建议图片存储于腾讯云。
非腾讯云存储的 Url 速度和稳定性可能受一定影响。
示例值:https://xx/a.jpg
EnableCoordPoint Boolean 单词四点坐标开关,开启可返回图片中单词的四点坐标。
该参数默认值为false。
示例值:false
EnableCandWord Boolean 候选字开关,开启可返回识别时多个可能的候选字(每个候选字对应其置信度)。
该参数默认值为false。
示例值:false
Preprocess Boolean 预处理开关,功能是检测图片倾斜的角度,将原本倾斜的图片矫正。该参数默认值为true。
示例值:false

3. 输出参数

参数名称 类型 描述
TextDetections Array of TextDetectionEn 检测到的文本信息,具体内容请点击左侧链接。
Angel Float 图片旋转角度(角度制),文本的水平方向为0°;顺时针为正,逆时针为负。点击查看如何纠正倾斜文本
示例值:0
RequestId String 唯一请求 ID,由服务端生成,每次请求都会返回(若请求因其他原因未能抵达服务端,则该次请求不会获得 RequestId)。定位问题时需要提供该次请求的 RequestId。

4. 示例

示例1 英文识别示例代码

英文识别示例代码

输入示例

POST / HTTP/1.1
Host: ocr.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: EnglishOCR
<公共请求参数>

{
    "ImageUrl": "https://xx/a.jpg"
}

输出示例

{
    "Response": {
        "TextDetections": [
            {
                "DetectedText": "No matter how long the",
                "Confidence": 99,
                "Polygon": [
                    {
                        "X": 228,
                        "Y": 244
                    },
                    {
                        "X": 228,
                        "Y": 269
                    },
                    {
                        "X": 562,
                        "Y": 270
                    },
                    {
                        "X": 562,
                        "Y": 245
                    }
                ],
                "AdvancedInfo": "{}",
                "WordCoordPoint": [
                    {
                        "WordCoordinate": [
                            {
                                "X": 226,
                                "Y": 270
                            },
                            {
                                "X": 226,
                                "Y": 241
                            },
                            {
                                "X": 270,
                                "Y": 242
                            },
                            {
                                "X": 270,
                                "Y": 271
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 278,
                                "Y": 271
                            },
                            {
                                "X": 279,
                                "Y": 242
                            },
                            {
                                "X": 368,
                                "Y": 242
                            },
                            {
                                "X": 368,
                                "Y": 271
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 378,
                                "Y": 271
                            },
                            {
                                "X": 378,
                                "Y": 242
                            },
                            {
                                "X": 437,
                                "Y": 242
                            },
                            {
                                "X": 437,
                                "Y": 271
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 446,
                                "Y": 271
                            },
                            {
                                "X": 446,
                                "Y": 242
                            },
                            {
                                "X": 502,
                                "Y": 242
                            },
                            {
                                "X": 502,
                                "Y": 271
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 514,
                                "Y": 271
                            },
                            {
                                "X": 514,
                                "Y": 242
                            },
                            {
                                "X": 566,
                                "Y": 243
                            },
                            {
                                "X": 566,
                                "Y": 272
                            }
                        ]
                    }
                ],
                "CandWord": [
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "N"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "o"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "m"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "a"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "t"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "t"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "e"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "r"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "h"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "o"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "w"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "l"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "o"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "n"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "g"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "t"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "h"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "e"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    }
                ],
                "Words": [
                    {
                        "Confidence": 99,
                        "Character": "No"
                    },
                    {
                        "Confidence": 99,
                        "Character": "matter"
                    },
                    {
                        "Confidence": 99,
                        "Character": "how"
                    },
                    {
                        "Confidence": 99,
                        "Character": "long"
                    },
                    {
                        "Confidence": 99,
                        "Character": "the"
                    }
                ]
            },
            {
                "DetectedText": "night, the day will come.",
                "Confidence": 99,
                "Polygon": [
                    {
                        "X": 226,
                        "Y": 303
                    },
                    {
                        "X": 226,
                        "Y": 331
                    },
                    {
                        "X": 569,
                        "Y": 331
                    },
                    {
                        "X": 569,
                        "Y": 303
                    }
                ],
                "AdvancedInfo": "{}",
                "WordCoordPoint": [
                    {
                        "WordCoordinate": [
                            {
                                "X": 224,
                                "Y": 333
                            },
                            {
                                "X": 224,
                                "Y": 301
                            },
                            {
                                "X": 297,
                                "Y": 301
                            },
                            {
                                "X": 297,
                                "Y": 333
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 298,
                                "Y": 333
                            },
                            {
                                "X": 298,
                                "Y": 301
                            },
                            {
                                "X": 305,
                                "Y": 301
                            },
                            {
                                "X": 305,
                                "Y": 333
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 316,
                                "Y": 333
                            },
                            {
                                "X": 316,
                                "Y": 301
                            },
                            {
                                "X": 352,
                                "Y": 301
                            },
                            {
                                "X": 352,
                                "Y": 333
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 365,
                                "Y": 333
                            },
                            {
                                "X": 365,
                                "Y": 301
                            },
                            {
                                "X": 423,
                                "Y": 300
                            },
                            {
                                "X": 423,
                                "Y": 333
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 432,
                                "Y": 333
                            },
                            {
                                "X": 432,
                                "Y": 300
                            },
                            {
                                "X": 474,
                                "Y": 300
                            },
                            {
                                "X": 474,
                                "Y": 332
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 483,
                                "Y": 332
                            },
                            {
                                "X": 483,
                                "Y": 300
                            },
                            {
                                "X": 565,
                                "Y": 300
                            },
                            {
                                "X": 565,
                                "Y": 332
                            }
                        ]
                    },
                    {
                        "WordCoordinate": [
                            {
                                "X": 567,
                                "Y": 332
                            },
                            {
                                "X": 567,
                                "Y": 300
                            },
                            {
                                "X": 591,
                                "Y": 300
                            },
                            {
                                "X": 591,
                                "Y": 332
                            }
                        ]
                    }
                ],
                "CandWord": [
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "n"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "i"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "g"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "h"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "t"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": ","
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "t"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "h"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "e"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "d"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "a"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "y"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "w"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "i"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "l"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "l"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "nil"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "c"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "o"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "m"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 100,
                                "Character": "e"
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    },
                    {
                        "CandWords": [
                            {
                                "Confidence": 99,
                                "Character": "."
                            },
                            {
                                "Confidence": 0,
                                "Character": "㊥"
                            }
                        ]
                    }
                ],
                "Words": [
                    {
                        "Confidence": 99,
                        "Character": "night"
                    },
                    {
                        "Confidence": 99,
                        "Character": ","
                    },
                    {
                        "Confidence": 99,
                        "Character": "the"
                    },
                    {
                        "Confidence": 99,
                        "Character": "day"
                    },
                    {
                        "Confidence": 99,
                        "Character": "will"
                    },
                    {
                        "Confidence": 99,
                        "Character": "come"
                    },
                    {
                        "Confidence": 99,
                        "Character": "."
                    }
                ]
            }
        ],
        "Angel": 0,
        "RequestId": "f2b87b6d-37c4-402f-b8b0-a74686f8f838"
    }
}

5. 开发者资源

腾讯云 API 平台

腾讯云 API 平台 是综合 API 文档、错误码、API Explorer 及 SDK 等资源的统一查询平台,方便您从同一入口查询及使用腾讯云提供的所有 API 服务。

API Inspector

用户可通过 API Inspector 查看控制台每一步操作关联的 API 调用情况,并自动生成各语言版本的 API 代码,也可前往 API Explorer 进行在线调试。

SDK

云 API 3.0 提供了配套的开发工具集(SDK),支持多种编程语言,能更方便的调用 API。

命令行工具

6. 错误码

以下仅列出了接口业务逻辑相关的错误码,其他错误码详见 公共错误码

错误码 描述
FailedOperation.DownLoadError 文件下载失败。
FailedOperation.EmptyImageError 图片内容为空。
FailedOperation.ImageDecodeFailed 图片解码失败。
FailedOperation.ImageNoText 图片中未检测到文本。
FailedOperation.LanguageNotSupport 输入的Language不支持。
FailedOperation.OcrFailed OCR识别失败。
FailedOperation.UnKnowError 未知错误。
FailedOperation.UnOpenError 服务未开通。
InvalidParameterValue.InvalidParameterValueLimit 参数值错误。
LimitExceeded.TooLargeFileError 文件内容太大。
ResourceUnavailable.InArrears 帐号已欠费。
ResourceUnavailable.ResourcePackageRunOut 账号资源包耗尽。
ResourcesSoldOut.ChargeStatusException 计费状态异常。