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MS Access Forum / Modules / DAO / VBA / February 2005

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Image Comparison/Histogram

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Rooster - 14 Feb 2005 15:55 GMT
Hey
Is there anyway of Comparing images stored in an Access Database, possibly
usings a Histogram method?  Does anyone know if Access and VBA support this
sort of functionality?

Thanks
John Nurick - 14 Feb 2005 20:27 GMT
There's nothing built-in.

BTW, usually it's not a good idea to store images in an Access database.
If you embed them as OLE objects, they are stored very inefficiently,
and it's easy to approach the 2GB limit on database size; and you can
only get at the actual images by activating instances of their parent
applications. Usually it's simpler to leave the images as disk files and
just store the metadata in the database.

>Hey
>Is there anyway of Comparing images stored in an Access Database, possibly
>usings a Histogram method?  Does anyone know if Access and VBA support this
>sort of functionality?
>
>Thanks

--
John Nurick [Microsoft Access MVP]

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