Hello, as I reported on another list, no I don't think so. It needs a camera to read files. Joseph Hudson
Email jhud7...@gmail.com I device support Telephone 2543007667 Skype joseph.hudson89 facebook https://www.facebook.com/joseph.hudson.9404 Twitter https://twitter.com/josephhudson89 FaceTime/iMessage jhud7...@yahoo.com > On Nov 28, 2017, at 9:33 PM, Robert Ringwald via Talk > <talk@lists.window-eyes.com> wrote: > > Thanks David. Very interesting. > > My one question is, if all I want to do with the KNFB program is decipher > scanned PDF files that are already in my WLM email, will the KNFB reader read > those internally with no camera or any other device needed? > > I have Win 10 and WLM 12 on a del PC. > > > -----Original Message----- From: David via Talk > Sent: Tuesday, November 28, 2017 2:16 PM > To: Window-Eyes Discussion List > Cc: David > Subject: Re: Question About KNFB and camera. > > PDF documents, or any other file formats on your computer, are > electronically stored information. > > > Cameras cannot read electronic documents. They are such constructed, > they need to "see" things in real, before they can do anything. > > > All electronic formats, be it music, video, documents or just any > blah-blah-blah, will have to be processed internally in the computer. > > > To best illustrate things, may I suggest you think of the camera as the > "eye" of the computer. Let's at the same time, tell the scanner to be > the other "eye" of the PC. The CPU, (or processor), the RAM and any > other electronic inside your computer's physical box - well, let's name > it the brain. Even so, the hard disk or SSD, which we will compare to > your "deep memory". > > > As you well know, your physical eyes cannot "look" inside the brain, and > perform anything from within your body. Rather, the eyes can feed the > brain with information, which your brain now can process. > > > Back to your query. You will need a camera to feed any written or > physically visible information into the computer. Whatever has already > been fed into the computer, like an electronically stored document, will > be non-interesting for the camera, scanner or any further feeding > equipment. All processing of what you have in your brain, will be done > by the brain directly. All information already stored on your computer, > will be processed directly by the computer, and loaded software. > > > I know, you wanted a quick answer to your question. I just thought it > might be helpful for you and others, to have a clarified comprehension > of why the answer is the way it stands. > > > To jhust elaborate a tiny bit here, let me in very short terms tell you > how any OCR software works. > > First of all, it needs to retrieve some information. It will typically > leave you the chance of defining whether it should grab some electronic > document, or if it should contact an external piece of equipment - like > a camera or a scanner. To the software, it basically does not matter > whichever way you feed it with information. > > > Next, it will start to process the information it has loaded into its > memory. All such electronic information is made up of 0's and 1's, also > known as pixels. And the software will compare the layout of these, with > an internal dictionary. The dictionary will be like a tremendous > collection of stencils. If the OCR finds that a set of dots (or pixels) > in the received information matches any stencil in the dictionary, it > will know what character this will represent. It now will "type" this > character into a virtual document, thereby imitating you pressing a key > on the keyboard. > > > Finally, when it has finished the whole loaded information, it will > present you with the virtually typed document. > > > For your information, in old times, the stencil-lookup was pretty much a > one-to-one comparison. That means, it would need a match that would be > very close to the exact stenciled shape. If it was to recognize anything > to be the letter O, it would need a set of pixels in a perfect circle. > > > Modern OCR software has become far mor "inteligent", whatever we want to > talk about inteligence when comes to silly electronic units like a > computer. The inteligence is that the OCR no longer will depend on close > to exact matches. To a very high degree, it might "look" at the > properties of a scanned character, and base its recognition on the > results thereof. For instance, it would conclude that a set of pixels > that resemble two parallel vertical lines, slightly spaced from each > other, with a horizontal line running just about mid-way up between the > verticals - all in all will be interpreted as the capitalized letter H. > > Likewise, a vertical bar, with a tiny line pointing diagonally out from > the upper left end, will likely be told to be the number 1. > > > As you might understand, such propetary comparison will be more > forgiving, than if you were to compare exact matches. You no longer need > to define how high the character can be, or what the width should be. > The OCR can "see" this is the number 9, big or small print, simply by > recognizing the shape and other properties of the character. This is one > of the reasons, modern OCR can perform high degrees of faultless > recognition. In the old days of the 80's, often a number 9, and the > lower-case G, would be confusingly recognized as either, due to the fact > that they quite much would resemble similar pixel-patterns. > > > to improve the OCR recognition, modern OCR software further will hold > comprehensive dictionaries for spelling, in several languages. It is > considered very little likely, that any word in English would be: > > log9ing, > > so the OCR will recognize this as if it was a common typo, and replace > the 9 with a g, making the word: > > logging, > > which happens to be a validly spelled English word. > > > Since they now aday do propetary stencilized OCR, they also can perform > recognition of hand-writing. At least, to a certain degree. Simply by > attempting to recognize the shape and general makeup of the lines on the > paper, the OCR will conclude that your droddle "pretty much looks like" > a given character. By correcting the software whenever it performs the > wrong recognition, it eventually will "learn" the style of your > hand-writing. Such correction is what is known as > > training the software. > > > Hope all of this was of any help and interest to you, or others. > > David > > On 11/28/2017 6:23 PM, Robert Ringwald via Talk wrote: >> I do not have a smart phone. In order to use the KNFB program to just >> read PDF's on the computer, do I need a camera? Or can it be done >> internally within the computer? >> >> Windows 10. >> >> >> >> >> Bob Ringwald piano, Solo, Duo, Trio, Quartet, Quintet >> Fulton Street Jazz Band (Dixieland/Swing) >> 916/ 806-9551 >> Check out my performing schedule: www.ringwald.com/schedule.php >> Amateur (ham) Radio Station K6YBV >> >> “If you don't read the newspaper you are uninformed, >> if you do read the newspaper you are misinformed.” -- Mark Twain >> >> >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> https://www.avast.com/antivirus >> >> _______________________________________________ >> Any views or opinions presented in this email are solely those of the >> author and do not necessarily represent those of Ai Squared. >> >> For membership options, visit >> http://lists.window-eyes.com/options.cgi/talk-window-eyes.com/trailerdavid%40hotmail.com. >> For subscription options, visit >> http://lists.window-eyes.com/listinfo.cgi/talk-window-eyes.com >> List archives can be found at >> http://lists.window-eyes.com/private.cgi/talk-window-eyes.com > > _______________________________________________ > Any views or opinions presented in this email are solely those of the author > and do not necessarily represent those of Ai Squared. > > For membership options, visit > http://lists.window-eyes.com/options.cgi/talk-window-eyes.com/rs%40ringwald.com. > For subscription options, visit > http://lists.window-eyes.com/listinfo.cgi/talk-window-eyes.com > List archives can be found at > http://lists.window-eyes.com/private.cgi/talk-window-eyes.com > _______________________________________________ > Any views or opinions presented in this email are solely those of the author > and do not necessarily represent those of Ai Squared. > > For membership options, visit > http://lists.window-eyes.com/options.cgi/talk-window-eyes.com/jhud7789%40twc.com. > For subscription options, visit > http://lists.window-eyes.com/listinfo.cgi/talk-window-eyes.com > List archives can be found at > http://lists.window-eyes.com/private.cgi/talk-window-eyes.com _______________________________________________ Any views or opinions presented in this email are solely those of the author and do not necessarily represent those of Ai Squared. 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