问题描述
我正在开发一个可以读/写EXIF标签的照片库。我将照片标题放在EXIF标签DocumentName和EXIF标签ImageDescription中的描述中。我还打算使用地理标签。但是照片标签/类别呢？我想在我的系统中存储一张照片标记的空格分隔的标签字符串。是否有任何EXIF标记通常用于此类信息？我可以编写自己的（即PhotoTags），但我想除了我的系统内部（无论如何这些信息都存储在数据库中）之外没有任何用处。
I am developing a photo gallery which will read/write EXIF tags. I will put photo title in the EXIF tag DocumentName and description in EXIF tag ImageDescription. I also plan to use the geo-tags. But what about photo tags/categories? I want to store a space-separated string of the tags a photo is tagged with in my system. Is there any EXIF tag that is normally used for this type of information? I could write my own (i.e. PhotoTags) but I guess that is not really of any use except for internally in my system (where this information is stored in a database anyway).
推荐答案
我想要考虑和/或（不完全清楚其关系）用于存储有关图像的元数据（例如关键字） /标签，标题，描述等）。
I think that will want to look into IPTC and/or XMP (not entirely clear over their relation) for storing metadata about images (such as keywords/tags, title, description and so on).
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