聆听无声的话语：手把手教你用ModelArts实现手语识别

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"摘要："},{"type":"text","text":"ModelArts，化作我们与听力障碍之间的一座沟通桥梁。"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"据统计，我国有超过2000万人有听力语言障碍，每年有约3万名婴儿生来就失去了聆听的机会。或许是因为缺少与没有听力障碍的人交流的途径，环顾四周，也许你很少能够看到他们，可他们却是实实在在的存在。就像我们渴望与他人交流一样，他们也一定希望能与我们交流，但我们之间却缺少了一座沟通的桥梁。而现在，有了ModelArts，我们可以很轻松地实现这个愿望。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"试用数据集下载："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"见末尾附件"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"完整数据集下载："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"https://www.kaggle.com/grassknoted/asl-alphabet"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"ModelArts的使用步骤并不复杂，主要包括："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1. 创建华为云账号"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2. 申请访问密匙——用于向各应用授权"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3. 创建obs桶——用于储存数据"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4. 授权ModelArts"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"5. 导入数据集"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"6. 自动学习"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"7. 调用在线服务预测"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤一、创建华为云账号"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"访问华为云官网（"},{"type":"link","attrs":{"href":"https://www.huaweicloud.com/","title":null},"content":[{"type":"text","text":"https://www.huaweicloud.com/"}]},{"type":"text","text":"），点击网站右上角【注册】按钮，进入注册界面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/2e/2e7f2e0c08554ff5c6bd820b7bb54ba0.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"按网页提示输入手机号、短信验证码和密码后，阅读并同意用户协议，点击【同意协议】并注册，即可完成华为云（中国）的账号创建。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"注册完成后，请进行实名认证，否则将无法使用ModelArts。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤二、申请访问密钥"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"使用注册好的账号登录到华为云，将鼠标悬停到网页右上角的用户名上，点击二级菜单上的【我的凭证】，进入AK密匙管理界面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/19/196940e156479e121726d25542b826f9.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击左侧菜单的【访问密钥】，再点击【新增访问密钥】，进行手机短信验证申请。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/78/789881f0616e2805597e3ef5f209bb3a.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"输入收到的短信验证码，系统将创建一个新的访问密匙，此时浏览器会提示下载一个名为“credentials.csv”的文件，其中包含了访问密匙【Access Key Id】和私有访问密钥【Secret Access Key】 。此时访问密匙申请完毕，请务必妥善保存。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤三、OBS桶的创建"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在华为云服务列表中找到【对象储存服务OBS】或直接访问OBS控制台（https://storage.huaweicloud.com/obs/）。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/6f/6f30903fa73eccb42f8e1a58299cb164.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"进入如图所示的OBS桶管理界面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/59/593fc9ee048aba175e78fbe39ab3b63b.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击右侧红色按钮【创建桶】，进入创建界面，并创建一个新的OBS桶。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/a4/a49eefad28e3e779ef8722ca17b65982.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"输入桶名称，点击【立即创建】，即完成obs桶的创建。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"为了更方便地进行数据管理，可以访问（"},{"type":"link","attrs":{"href":"https://developer.huaweicloud.com/tools","title":null},"content":[{"type":"text","text":"https://developer.huaweicloud.com/tools"}]},{"type":"text","text":"），在下方【业务工具】中下载【OBS Browser+工具】。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/e1/e14ab8cef2b4f4ddd3fc664df461e7da.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"下载完毕后使用【AK方式登录】，在输入框中输入刚刚申请的访问密匙【Access Key Id】和私有访问密钥【Secret Access Key】，即可登录到OBS桶中。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/40/4087d50ab5f587d0f45d10f090d49570.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤四、授权ModelArts"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在华为云服务列表中找到【ModelArts】或直接访问OBS控制台（"},{"type":"link","attrs":{"href":"https://console.huaweicloud.com/modelarts/","title":null},"content":[{"type":"text","text":"https://console.huaweicloud.com/modelarts/"}]},{"type":"text","text":"）。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击右侧菜单底部的【全局配置】，点击【访问授权】，选择【使用访问密钥】进行授权。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/5a/5ac6a5e4dc68737ff6fb8eece85fb713.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在输入框中输入刚刚申请的访问密匙【Access Key Id】和私有访问密钥【Secret Access Key】，阅读并同意服务声明，点击【同意授权】，完成ModelArts服务授权。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤五、导入数据集"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"打开【OBS Browser+】，打开之前创建的桶，点击【上传】，点击【选择文件夹】，选择提供的压缩包中的文件夹【train】，点击上传，将其上传到OBS桶中。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"打开浏览器，进入【ModelArts控制台】，在右侧菜单中依次点击【数据管理】——【数据集】，在右侧点击【创建数据集】，进入数据集创建页面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/87/872456b2c3950ec9c21c8d9612102a8c.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在创建页面中，【数据集输入位置】和【数据集输出位置】分别选择【新建文件夹】，命名为【input】和【output】。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/da/da8992e1ce2427b2f6c0947e930aa625.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"最后点击【创建】，完成数据集的创建。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"回到数据集管理界面，在新建数据集中选择【更多】——【导入】，选择之前上传到OBS桶的【train】文件，点击【确定】，将其导入到数据集中。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/3f/3f18a800b0c4b52ce9af77260dd69baa.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"待系统完成导入后，点击数据集操作中的【发布】，完成数据集创建及导入。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤六、自动学习"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击左侧菜单的【自动学习】，选择【图像分类】，数据集来源选择【已有数据集】，在下拉菜单中选择刚才导入的数据集。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/a2/a2b6277a517b15f4145617d409c320a5.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"接着点击【创建项目】，点击右侧的【开始训练】，点击【下一步】，点击【提交】，训练任务将自动开始。我们只需要等待其训练完成即可。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/92/92d1f3597e71b9376af1c170decef475.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/22/229dc3f0ea8a9c8a859f7e350c3d6741.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"步骤七、调用在线服务预测"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"训练完成后，我们可以在左侧菜单【模型管理】——【模型】中找到训练好的模型。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/43/43d55bd6c8a82e3cc7d382e6a82067d1.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击该模型的名称，可查看模型的各个特征。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/36/36e418e7d304529f7412a80c88d1382f.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击界面右上角【部署】——【在线服务】，进入在线服务部署界面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/83/83603194192184ace98b52c54285fc7b.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"选择免费计算节点（由于已创建一个免费计算节点，示例中显示的是付费节点），点击下一步，点击【提交】，即开始在线服务部署。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/4a/4a88f4245c5e3b9f60beb231f8a61e35.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"当在线服务部署完毕后，可以在左侧菜单【部署上线】——【在线服务】中找到正在运行的在线服务，点击【预测】，进入预测界面。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/0f/0f78996a336cdcee2dca2e59aa605382.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"点击【上传】，选择要识别的手语图片，即可使用训练好的模型进行识别。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/47/47962915df62544212a547139050dcec.jpeg","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"下载附件："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":" "},{"type":"link","attrs":{"href":"https://bbs.huaweicloud.com/blogs?utm_source=infoq&utm_medium=bbs-ex&utm_campaign=other&utm_content=content","title":""},"content":[{"type":"text","text":"data.zip"}]},{"type":"text","text":" "}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":" "}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://bbs.huaweicloud.com/blogs/204657?utm_source=cnblog&utm_medium=bbs-ex&utm_campaign=ei&utm_content=content","title":null},"content":[{"type":"text","text":"点击关注，第一时间了解华为云新鲜技术~"}],"marks":[{"type":"strong"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}