It's N82's Flash that does the real trick and not so much the 5MPX camera. On 10/12/2009 7:56 AM, Chris Blouch wrote: > Not sure the camera really does the OCR function. That's probably > software after the photo is taken. That said, KNFB runs in the Nokia N82 > which has a 5 megapixel camera while the iPhone 3GS is just 3 > megapixels. Not sure how much the megapixels mater but for OCR more is > probably better. If you figure even a relatively low res flatbed scanner > will do 300 dpi, that means an 8x10 image will be 2400x3000 pixels or > 7.2 megapixels so the Nokia is already a compromise. None of this has to > do with the OCR software being able to run on the iPhone CPU. The OCR > software isn't going to do a very good job if the quality of the image > it has to work with is low. > > CB > > Rich Ring wrote: >> The camera on the iPhone is not powerful enough to do O/CR. >> >> ----- Original Message ----- >> *From:* Ryan Dour <mailto:rd...@techminds4hire.com> >> *To:* MacVisionaries <mailto:macvisionaries@googlegroups.com> >> *Sent:* Friday, October 09, 2009 3:49 PM >> *Subject:* iPhone like KNFB? >> >> Hello, >> >> What apps could be added to an iPhone at this point to provide >> similar functionality to a KNFB phone? The key featuresthat could >> help are: >> >> * OCR of documents, signs, product boxes, etc. >> * Talking pedestrian directions such as "You are approaching the >> corner of North Michigan Avenue and East Heron." When you get to >> the corner, "Turn right." and in a few more feet "Continue to the >> next corner, St. Claire and E Heron." >> * Color detection, providing reasonably good color matching or >> description. >> * Barcode reader with the ability to detect the barcode anywhere >> in the picture frame, not just across a red line on the screen >> that makes use difficult when you're only sure of the general >> location of the code. Ability to pair with external BlueTooth >> barcode scanner as an alternative could be sweet. >> * Talking compass, something very similar to the built-in feature, >> but with names of directions quickly spoken. >> >> Here's the great part, some of the apps exist, but don't offer >> full functionality. >> >> * A Voice Compass - Literally a talking compass with great >> accuracy. It even cuts itself off if you turn it really fast, >> listen to the directions in an audio blur if you so choose. >> * Around Me - Great for POI, but that's where the fun ends. Also, >> great for getting phone numbers to places quickly. >> * Maps - Great for finding out where you are, and general >> directions. However, no warnings about distance as you move. >> >> I've found apps that offer functionality beyond the typical >> blindness offerings that make life just sweet. For me, local apps >> can be fantastic: >> >> * CTA Tracker - Easily the most accessible CTA tracking app. If >> you live in Chicago, this app provides complete details of busses >> at your local bus stops. Find a bus, wait for it to pull up and >> announce itself, then track your way to your destination with time >> estimates. Simply awesome for commuting. If you leave the VO >> cursor on the next stop in the list, and turn Auto Lock off, VO >> will announce the stop the bus is approaching once a minute. Turn >> on your iPod, and let VO be the Dj telling you where you're at as >> you travel without having to keep one ear open for the bus PA system. >> * Chipotle - Order some yummy food while you're on your way home. >> You can put together your order, choose toppings, sides, and a >> drink. You can then place a note on the order to let the great >> staff know you're blind, and to look out for ya when you get >> there. It has been a really amazing experience using this app. My >> reason, sometimes the restaurant is so loud that the staff start >> simply pointing at the toppings and looking for feedback from the >> customer. When you try and explain that you're blind, they don't >> speak up enough, or it really throws them off and they start >> missing toppings. Using this app, you get exactly what you wanted >> without the confusion of the Chipotle assembly line. Even better, >> your credit card never comes out of your wallet. >> * >> * >> *I've got many other apps, but these are some that I've used in >> the last few days. They provide me with tools that enrich my life. >> There are others out there I know I'm missing, as the app store is >> the hottest most crowded marketplace for software I've ever seen. >> If anyone else has ideas for apps that make the iPhone >> specifically a brilliant tool for a blind user, please let us all >> know. Beyond the Twitter and Facebook apps we all love, I'm >> looking for apps that help enhance real life activities happening >> in the real world.* >> * >> * >> *Thanks,* >> *Ryan Dour* >> * >> * >> * >> * >> >> >> > > >
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