Convert knows what image format the input and output are, based on the file extensions given on the command line. So, to convert a JPEG to a PNG, use a command line like the following.

convert根据命令行中给定的文件扩展名来了解输入和输出的图像格式分别是什么。

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This generates a valid XML schema for your particular input file, as shown in Figure 2 (larger image).

这将为您的特定输入文件生成一个有效的XML模式，如图2所示(大图)。

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This meant that I needed to build a prototype that booted an image, took input of what video file to transcode, hit the API we'd already built, stored the results on Amazon S3, and shut itself down.

这意味着我需要构建一个这样的原型，即启动一个镜像，导入要转码的视频文件，运行我们构建好的API，把结果存储在AmazonS3上，然后自行关闭。

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An image input unit (10) receives input of a low-resolution image file.

图像输入部(10)接收低分辨率图像文件的输入。

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An image input unit (10) receives input of a low-resolution image file.

图像输入部(10)接收低分辨率图像文件的输入。

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