条形码是唯一标识需要为网络应用程序数字化的物理文档的最佳方式吗？
我必须对数千份物理文档进行数字化，并将它们分配给网络应用程序的各种类别，以便在其中显示它们。
我是否应该为每个文档生成条形码以唯一标识它们？
如果是这样，如何避免扫描图像中出现条形码？
对于解决这个问题还有其他建议吗？
I have to digitize a few thousand physical documents and assign them to a variety of categories for a web app where they will be displayed.
Should I generate bar codes for each of the documents to uniquely identify them?
If so, how can I avoid the barcode being present in the scanned image?
Any other recommendations for approaching this?
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是的，我每天都与这些东西打交道，而条形码绝对是正确的选择。
我建议从 DataMatrix 或 PDF417 等 2D bardode 开始：
当您最终需要开始向条形码中添加额外的数据时（我相信一旦您看到它可以为您做什么，您就会开始这样做） ）
您可以在其中存储您想要的任何数据，而不必担心可用空间或合法字符。
您可以在其中存储您想要的任何数据，
内置冗余对于处理各种打印机上的打印然后将其扫描回非常有用。
内置冗余对于处理各种打印机上的打印然后将其扫描回非常有用
在我们的条形码中，我们使用标准的键值对结构，这样无论哪个系统生成或读取条形码，它总是会拥有所需的数据。这比拥有文档 ID 和关联的查找表要好得多，并且比固定长度条形码要好得多。
例如，
有些系统可能不关心Campaign，但每个系统都知道ClientID 是什么。
我建议您不必担心扫描图像中存在条形码 - 您的客户会很快习惯它，并且它可以使文档保持活力和可用。例如，如果您通过电子邮件将文档发送到某个地方，然后他们将其寄回，您仍然可以识别它并再次进行匹配。条形码将成为文档最重要的部分。
确保条形码足够大，可以以 200DPI 扫描并且仍然可用。
Yes, I work with this stuff every day and barcodes are definately the way to go.
I would recommend starting with a 2D bardode such as DataMatrix or PDF417:
When you eventually need to start adding extra data into the barcode (which I'm sure you will start to do once you see what it can do for you) you won't have resistance from clients complaining that they don't like the 'ugly' new format.
You can store whatever data you want in it without worrying about available space or legal characters.
The built-in reduncancy is really useful for handling printing on a wide range of printers and then scanning them back in.
In our barcodes we use a standard key-value pair structure, so that no matter which system is generating or reading the barcode, it will always have the data it needs. This works much better than having a document id and associated lookup tables, and much better than fixed length barcodes.
e.g.
Some systems may not care about Campaign, but every system knows what a ClientID is.
I recommend that you don't worry about the barcode being present in the scanned image - your clients will get used to it quickly, and it keeps the document alive and usable. For example, if you email the document somewhere and they mail it back you will still be able to identify it and match it up again. The barcode will become the most important part of the document.
Make sure the barcode is big enough to be scanned at 200DPI and still be usable.