I totally agree, it works great with CDs but no good on tins, jars or bottles. It managed to read a few food items but its very hit and miss and something you would use if it is a last resort .
If you want audio labels then get the RNIB Pen Friend. On 8 Jul 2010, at 23:03, Bryan Smart wrote: > I'm writing to share my experiences with Digit-Eyes. > > I tried it on my iPhone 4, with several bar codes, and it didn't recognize > even one of them. I don't mean that the code was located, but not recognized. > I mean that the code was not even detected as being in the image. I'd tap the > scan button, and the constant clicking would begin to let me know that > scanning was in progress. I was scanning in a brightly lit room, and the > screen curtain was not on. Rotating the containers in front of the iPhone > camera, with it held about a foot away from them, produced no results. I had > a sighted friend deliberately place the bar code in view, something that I > would have not been able to do on my own, and it wasn't recognized, either. > We just kept trying different angles, and rotating, but all we got was more > clicking from the Digit-Eyes scanner. > > I had some experience with creating a system like this several years ago. At > that time, CCD cameras were not as accurate. Even so, for best results, we > determined that a 3D laser scanner would be required in order for bar codes > to be detected in the way that a blind person is likely to present them to > the scanner: at angles, in shadow, etc. This is the technique used by other > commercial systems like the ID Mate. I was lead to understand that this > wasn't a concern with Digit-Eyes, due to the higher quality camera in the > iPhone 3GS and iPhone 4. However, based on my results, I'd say that this > isn't so. > > Perhaps Digit-Eyes works better with dedicated labels, but, if I were to make > dedicated labels, I'd just create Braille labels. I realize that everyone > doesn't read Braille, and so audio labels still might be of use to some > people. However, the advertised function of being able to read bar codes > seems to not work, or else, it might work, but requires a level of alignment > precision that I've not been able to achieve. I'm usually quite capable when > it comes to reasoning through these types of situations, so my conclusion is > that I've either overlooked something profound, or else the level of > alignment that is required for a good scan is grater than most blind people > will independently obtain without assistance. If you need assistance, you > might as well ask the sighted person what is on the label. *shrug* > > I'd like to hear the experiences of others. However, I can't personally > suggest that anyone spend the $30 that is charged for this app if they expect > to use it as a bar code scanner. > > Bryan > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To post to this group, send email to macvisionar...@googlegroups.com. > To unsubscribe from this group, send email to > macvisionaries+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/macvisionaries?hl=en. > -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To post to this group, send email to macvisionar...@googlegroups.com. To unsubscribe from this group, send email to macvisionaries+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/macvisionaries?hl=en.
