什么是 Azure 认知服务?What are Azure Cognitive Services?

Azure 认知服务是 API、SDK 和服务,可帮助开发人员生成智能应用程序,而无需具备直接的 AI 或数据科学技能或知识。Azure Cognitive Services are APIs, SDKs, and services available to help developers build intelligent applications without having direct AI or data science skills or knowledge. 开发人员使用 Azure 认知服务能够轻松地将认知功能添加到其应用程序中。Azure Cognitive Services enable developers to easily add cognitive features into their applications. Azure 认知服务的目标是帮助开发人员创建可以看、听、说、理解甚至开始推理的应用程序。The goal of Azure Cognitive Services is to help developers create applications that can see, hear, speak, understand, and even begin to reason. Azure 认知服务中的服务目录可分为五大主要支柱类别:视觉、语音、语言、Web 搜索和决策。The catalog of services within Azure Cognitive Services can be categorized into five main pillars - Vision, Speech, Language, Web Search, and Decision.

视觉 APIVision APIs

服务名称Service Name 服务说明Service Description
计算机视觉Computer Vision 使用计算机视觉服务,你可以访问用于处理图像并返回信息的高级算法。The Computer Vision service provides you with access to advanced algorithms for processing images and returning information.
人脸Face 使用人脸 API 可访问高级人脸算法,支持人脸属性检测和识别。Face API provides access to advanced face algorithms, enabling face attribute detection and recognition.

语音 APISpeech APIs

服务名称Service Name 服务说明Service Description
语音服务Speech service 语音服务将语音支持功能添加到应用程序。Speech service adds speech-enabled features to applications.

备注

正在查找 Azure 认知搜索Looking for Azure Cognitive Search? 尽管它对某些任务使用认知服务,但它是支持其他方案的另一种搜索技术。Although it uses Cognitive Services for some tasks, it's a different search technology that supports other scenarios.

语言 APILanguage APIs

服务名称Service Name 服务说明Service Description
语言理解 LUISLanguage Understanding LUIS 使用语言理解服务 (LUIS),应用程序可以理解用户以自己的语言表达的内容。Language Understanding service (LUIS) allows your application to understand what a person wants in their own words.
文本分析Text Analytics 文本分析提供对原始文本的自然语言处理,用于情绪分析、关键短语提取和语言检测。Text Analytics provides natural language processing over raw text for sentiment analysis, key phrase extraction and language detection.
文本翻译Translator Text 文本翻译近乎实时地提供基于机器的文本翻译。Translator text provides for machine-based text translation in near real-time.

决策 APIDecision APIs

服务名称Service Name 服务说明Service Description
内容审查器Content Moderator 内容审查器监视可能的冒犯性、不可取和危险内容。Content Moderator provides monitoring for possible offensive, undesirable, and risky content.

使用免费试用版Use free trials

注册试用版只需要发送一封电子邮件并执行一些简单的步骤。Signing up for trials only takes an email and a few simple steps. 对于所请求的每个 API,你都会收到一对唯一的密钥。You'll receive a unique pair of keys for each API requested. 第二个密钥只是备用密钥。The second one is just a spare. 请不要与任何人分享密钥。Don't share the secret keys with anyone. 试用版具有每秒或每分钟事务数速率限制和每月使用上限。Trials have both a rate limit, transactions per second or minute, and a monthly usage cap. 事务就是 API 调用。A transaction is simply an API call. 若要解锁这些限制,你可以升级到付费层。You can upgrade to paid tiers to unlock the restrictions.

订阅管理Subscription management

使用 Azure 帐户登录后,你可以访问我的订阅,以显示你正在使用的产品、剩余配额以及能否向订阅添加其他产品。Once you are signed in with your Azure Account, you can access My subscriptions to show the products you are using, the quota remaining, and the ability to add additional products to your subscription.

通过升级来解锁限制Upgrade to unlock limits

所有 API 都有一个免费试用计划,该计划具有使用量和吞吐量限制。All APIs have a free trial plan, which has usage and throughput limits. 在 Azure 门户中部署服务时,可以通过使用付费产品/服务和选择适当的定价层选项来增加这些限制。You can increase these limits by using a paid offering and selecting the appropriate pricing tier option when deploying the service in the Azure portal. 详细了解产品/服务和定价Learn more about the offerings and pricing. 你将需要使用信用卡和电话号码设置一个 Azure 订阅者帐户。You'll need to set up an Azure subscriber account with a credit card and a phone number. 如果你有特殊要求或者只是想与销售人员交谈,请单击定价页顶部的“联系我们”按钮。If you have a special requirement or simply want to talk to sales, click "Contact us" button at the top the pricing page.

区域可用性Regional availability

认知服务中的 API 托管在不断扩大的 Microsoft 托管数据中心网络上。The APIs in Cognitive Services are hosted on a growing network of Microsoft-managed data centers. 你可以在 Azure 区域列表中找到每个 API 的区域可用性。You can find the regional availability for each API in Azure region list.

正在寻找我们尚不支持的区域?Looking for a region we don't support yet? 请在我们的 UserVoice 论坛上填写功能申请,告诉我们你的需求。Let us know by filing a feature request on our UserVoice forum.

支持的区域性语言Supported cultural languages

认知服务在服务级别支持各种区域性语言。Cognitive Services supports a wide range of cultural languages at the service level. 可以在支持的语言列表中找到每个 API 的语言可用性。You can find the language availability for each API in the supported languages list.

认证和符合性Certifications and compliance

认知服务已获得多种认证,例如 CSA STAR Certification、FedRAMP Moderate 和 HIPAA BAA。Cognitive Services has been awarded certifications such as CSA STAR Certification, FedRAMP Moderate, and HIPAA BAA.

可以下载认证自行进行审核和安全审查。You can download certifications for your own audits and security reviews.

若要了解隐私和数据管理,请转到信任中心To understand privacy and data management, go to the Trust Center.

支持Support

认知服务提供多个支持选项Cognitive Services provide several support options.

后续步骤Next steps