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Microsoft Debuts AI Cloud Service for Video at Build Conference

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Microsoft is making artificial intelligence (AI) available for free to streaming video developers. Now it wants to see what they'll do with it.

在其 建立会议 在西雅图, 华盛顿, 微软今天发布了Video Indexer, a cloud service now part of it Cognitive Services lineup. 给大家一些背景知识, the company's Artificial Intelligence and 研究 Group was formed in September 2016 as a way to democratize AI, 使所有开发人员都可以使用它. It creates tools or services that can be integrated in other code via APIs or SDKs to ad AI functionality.

The group's Cognitive Services toolkit debuted with 14 machine-based learning services a year-and-a-half ago. 去年,这一数字增至29项. Today, Microsoft introduces 4 new services, one of which speeds video and audio metadata creation.

Video Indexer is available as a preview download for free testing. Microsoft wants developers to give it a try so it can learn from their experiences and refine the service.

带视频索引器, developers can harvest a variety of useful metadata from files with no human interaction needed. 该服务可以识别人脸, 抄录语音, 检测视频中的对象, 探测情绪. 有了这些信息, publishers can improve discoverability or improve monetization by serving targeted ads that better match a video's contents.

在预览阶段, Video Indexer is free but developers are limited to uploading 10 hours of video per day and 40 hours total. They can up load a maximum of 20 files, which each one no more than 4 GB.

Video Indexer is fast, processing a 45 minute video in about 5 minutes. It achieves that by breaking videos into sections and using AI to pull data out of each one. It can identify which speaker is talking at any time, and index on-screen text. It can translate text (it currently supports 9 languages) and monitor for explicit audio or visual content. It's also able to detect scene changes and extract key frames. The service is only for saved, not live, video.

As this is still a work in progress, some tasks have higher success ratings than others. Face detection is highly reliable, while emotion detection has roughly a 60 percent success rate. The process is designed to be fully automated, but even if companies add spot checking by a human, getting the results will take far less time than if all the work was done by hand.

大约8,000 people work in Microsoft's AI and research group, 5,000人严格从事人工智能研究. Around 150 of that group works on Cognitive Services. This group of engineers and researchers turns AI research into products. For video, they've gotten to a point where they can share their work with a larger group.

Expect the preview period to last between six months and one year, 欧文·邝说, group program manager for Artificial Intelligences and 研究 Marketing at Microsoft. The company will work closely with customers to monitor performance. 微软发表了一篇博客文章 提供更多信息和资产链接.

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