Perl and GD are a must for this article, although if you have a preferred image processing tool suite, you can modify the algorithms used here to perform effectively in any number of environments.

Perl和GD是学习本文的必备软件，您即使有首选的图像处理工具套件，也可以修改本文使用的算法以便在各种环境中高效地执行。

youdao

The ImageMagick tool suite, Perl, and The Gimp photo image-manipulation package are all required.

ImageMagick 工具套件、Perl 和 The Gimp 照片图像处理包全都是必备工具。

youdao

Steganos Privacy Suite has the ability to either select an existing file and embed data within it, or create an image or sound file to carry the data.

Steganos Privacy Suite 可以选择现有文件并在其中嵌入数据，也可以创建一个图片或声音文件来携带数据。

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Dr von Ahn has created a suite of image-labelling games, and noticed many players putting in more than hours each week.

BBC: NEWS | UK | Magazine | Are you Google's gopher?

The hardware had a different look, but it was otherwise a near-mirror image: similar parts, similar phone numbers and the same suite at nondescript offices on East Walnut Street in Pasadena, Calif.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)