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Hardware Requirements: Difference between revisions
added a note about the new lenses available for nokia 3650, which allow focusing the camera to as close as 5cm
(distinguish between general purpose and barcode scanner. The former makes sense as a feature of a mass market phone, the latter does not) |
(added a note about the new lenses available for nokia 3650, which allow focusing the camera to as close as 5cm) |
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*The phone could have a built-in digital camera. I've just tried out the Nokia 7650 and 3650 models. The phones are fitted with VGA resolution cameras. The focusing and resolution properties of the phones were maybe just a little bit too poor that one could use the pictures to OCR the numerical representation of EAN-codes. But it came very close, so hopes are high that OCRing the code will be possible in the near future. OCR could alternatively be done from shelf tags, which usually contain the product name in a fairly big font with uniform typeface. Also using image recognition of the packaging graphics is being considered. | *The phone could have a built-in digital camera. I've just tried out the Nokia 7650 and 3650 models. The phones are fitted with VGA resolution cameras. The focusing and resolution properties of the phones were maybe just a little bit too poor that one could use the pictures to OCR the numerical representation of EAN-codes. But it came very close, so hopes are high that OCRing the code will be possible in the near future. OCR could alternatively be done from shelf tags, which usually contain the product name in a fairly big font with uniform typeface. Also using image recognition of the packaging graphics is being considered. | ||
::Update: There is now available an additional lense package (CC-49) for Nokia 3650 that snaps in place of the rear cover offering lenses for focusing to 10 and 5 centimeter distances in addition to the standard 30cm to infinity focusing, which would be just the thing. Unfortunatelly the Nokia models don't enable TCP/IP traffic over Bluetooth for some silly reason. | |||
*The phone could have a [[general purpose scanner]]. This could be used to read the bar-code or the numeric representation. The usefulness of having a small (4-5mm width) general purpose scanner embedded in your phone is apparrent: | *The phone could have a [[general purpose scanner]]. This could be used to read the bar-code or the numeric representation. The usefulness of having a small (4-5mm width) general purpose scanner embedded in your phone is apparrent: | ||