![]() If you don't always re-shelve books in the same place (who does) it is quick to re-photograph every so often, and software to figure out that one book moved from A to B is a much simpler challenge since it already has an image of the spine from before. And, should your library be destroyed in a fire, it's a great thing to have for insurance and replacement purposes. You can still peruse such photographs pretty easily, much more easily than going down to look at books in storage boxes. Of course, the photograph technique is actually worthwhile without the OCR. This would also have useful commercial application in bookstores, especially used ones, in all sorts of libraries and on corporate bookshelves. pictures of different shelving styles used in New Zealand school libraries. The right software could catalog your whole library in minutes. The easiest being looking at the image on screen and typing the name, but it could also print out those images per shelf, and send you over to get the barcode. If you want a detailed catalog, you can also just get the system to list only the books it could not figure out, and you can use the other techniques to reliably identify it. If it finds more than one match it can quickly show you them as images and you can figure it out right away. It doesn't have to get all the letters right by any stretch. Because if you want to know "Where's my copy of *The Internet Jokebook*" it only has to find the book whose text looks the most like that from a small set. But that doesn't matter so much for some applications such as search for a book. There may be millions of books to consider but that's actually a much smaller space than most OCR has to deal with when it must consider arbitrary human sentences.Įven so, it won't do the OCR perfectly on many books. ![]() And it even would have, after some time, a database of actual images of fully identified book spines taken by other users. ![]() But it also has a simpler problem than most OCR packages because it has a database of known book titles, authors, publisher names and other tag phrases. What you need next is some OCR of above average sophistication, since it has to deal with text in all sorts of changing fonts and sizes, some fine print and switching orientations. Take the shelves in a predictable order so picture number is a shelf number. Light it well first, to avoid flash glare, perhaps by carrying a lamp in your hand. So I propose something far faster - take a picture with a modern hi-res digital camera of your whole shelf. Several of these sites also support you taking a digital photograph of the UPC or ISBN barcode, which they will decode for you, but it's not as quick or reliable as an actual barcode scanner. The most reliable quick way is to get a bar code scanner, like the free CueCats we were all given a decade ago, and scan the ISBN or UPC code. You can do fast searches by typing in subsets of book titles. There are sites and programs to help you catalog your library, such as LibraryThing. A lot of people want to catalog their extensive libraries, to be able to know what they have, to find books and even to join social sites which match you with people with similar book tastes, or even trade books with folks.
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