Rare Book Monthly

Articles - March - 2012 Issue

Converting image to text, mobile-style

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When you need to copy something down, you probably do just that. You grab a piece of paper or a notebook and you write it down, verbatim or shorthand. Today, many people are carrying handheld devices, smartphones, which are proving more and more useful and multifaceted as technology improves. Today we’ll be taking a look at OCR (optical character recognition) software built for smartphones that allows you to convert an image of text into actual editable text.

Five years ago the concept of taking a picture and running OCR software on one’s phone was inconceivable. Advancements in two smartphone features have made it possible now. The first aspect that needed upgrading was the camera. The original iPhone (which recently celebrated its fifth birthday) has a 2-megapixel camera that pales in comparison to today’s iPhone 4S, which boasts 8-megapixels and rivals the quality of consumer-level digital cameras. The second thing that now allows more powerful software is the development of faster mobile processor chips. Smartphones today are beginning to ship with quad-core processors, something computers only began doing in the last decade.

Today’s review covers two apps for Apple’s iOS, ABBYY Textgrabber + Translator and Ricoh Innovation’s Image to Text – OCR. Testing was done on an iPhone 4 and an iPhone 4S, with identical documents scanned. Textgrabber + Translator costs $0.99 while Image to Text – OCR is free.

These apps operate similarly in their functionality. Both provide a camera feature built-in as well as allowing the user to select an already existing image on the phone. While the apps’ cameras are convenient, I noticed right away that neither allows using the iPhone’s volume up button as a shutter-release. Only Apple’s own Camera app has that feature, and I’ve found that squeezing a tactile button produces better stability than pressing the screen. For this reason, I recommend taking whatever images you intend to OCR using Apple’s Camera app, and then loading them for OCR separately. This stability is of paramount importance when trying to convert an image to text because any blurriness or discrepancies in the image will lower accuracy of the recognition software. I also recommend taking more than one photo in quick succession as it increases your chances of getting a crystal-clear picture.    

Posted On: 2012-03-01 00:00
User Name: Heritage

Is there no such app for Androids?


Rare Book Monthly

  • <b>Swann Auction Galleries, May 12:</b> <i>Westvaco–Inspirations for Printers,</i> 3 volumes, 1938-61. $200 to $300.
    <b>Swann Auction Galleries, May 12:</b> Proef van Letteren, <i>Welk gegooten worden in de Nieuwe Haerlemsche Lettergietery,</i> 1768. $3,000 to $4,000.
    <b>Swann Auction Galleries, May 12:</b> Paul Klee, <i>Bauhaus Ausstellung Juli – Sept.,</i> Weimar, 1923. $4,000 to $6,000.
    <b>Swann Auction Galleries, May 12:</b> Michel Seuphor & Jozef Peeters, <i>Het Overzicht Nos.</i> 22-23-24, Antwerp, 1922. $3,000 to $4,000.
    <b>Swann Auction Galleries, May 12:</b> Wolfrum & Co., <i>Modern Graphik, Serie I…,</i> complete portfolio, 1909. $1,200 to $1,800.
    <b>Swann Auction Galleries, May 12:</b> <i>Gravure et Fonderie deC. Derriey: Specimen-Album,</i> Paris, 1862. $5,000 to $7,500.
  • <b><center>Sotheby’s<br>Science: Books and Manuscripts<br>15-25 May 2021</b>
    <b>Sotheby’s, 15-25 May:</b> Mary Anning. Autograph letter signed, to William Buckland, 24 November 1834. £50,000 to £70,000.
    <b>Sotheby’s, 15-25 May:</b> Bolyai. <i>Scientiam spatii absolute veram exhibens,</i> Maros Vásárhelyi, 1832-1833, 2 volumes, half calf. £50,000 to £70,000.
    <b>Sotheby’s, 15-25 May:</b> Vesalius.<br><i>De humani corporis fabrica,</i> Basel, 1555, modern crushed burgundy morocco. £15,000 to £20,000.
    <b><center>Sotheby’s<br>Science: Books and Manuscripts<br>15-25 May 2021</b>
    <b>Sotheby’s, 15-25 May:</b> Copernicus.<br><i>De revolutionibus orbium coelestium,</i> Nuremberg, 1543, later boards, Rostock duplicate. £70,000 to £100,000.
    <b>Sotheby’s, 15-25 May:</b> Payan-Dumoulin. Profusely illustrated manuscript of fossils, France, c.1875-1979. £15,000 to £20,000.
    <b>Sotheby’s, 15-25 May:</b> Albert Einstein. Autograph letter signed, to his son Albert, 4 November [1915]. £10,000 to £15,000.
  • <center><b>Forum Auctions<br>Images of Angling:<br>The David Beazley Collection<br>of Angling Prints<br>Online Sale<br>20th May 2021</b>
    <b>Forum Auctions, May 20:</b> Alken (Henry), after. Salmon Fishing; Fishing in a Punt; Pike Fishing, three works, 1820. £600 to £800.
    <b>Forum Auctions, May 20:</b> Early Images of Angling.- Hollar (Wenceslaus) Angling; River Fishing; and Salmon Fishing, after Francis Barlow, 3 engravings, [c. 1671]. £500 to £700.
    <b>Forum Auctions, May 20:</b> Rolfe (Henry Leonidas). <i>Studies of Fresh Water Fish,</i> 1851. £500 to £700.
    <center><b>Forum Auctions<br>Images of Angling:<br>The David Beazley Collection<br>of Angling Prints<br>Online Sale<br>20th May 2021</b>
    <b>Forum Auctions, May 20:</b> Morland (George), After. A Party Angling; The Anglers' Repast, a pair, mezzotints, 1789. £400 to £600.
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    <center><b>Forum Auctions<br>Images of Angling:<br>The David Beazley Collection<br>of Angling Prints<br>Online Sale<br>20th May 2021</b>
    <b>Forum Auctions, May 20:</b> Fishing Satire.- London.- Roberts (Piercy). Patience at Paddington or angling in the Junction Canal, etching after Woodward, 1807; together with Woodward's 'Angling at Sadler's Wells', and another, 1794. £300 to £400.
    <b>Forum Auctions, May 20:</b> Fishing Satire - Cats Fishing.- Seymour (Robert). Waltonizing or - Green-land Fisherman, [c. 1830s]; together with 3 lithographs of cats fishing, [c. 1830s]. £300 to £400.
    <b>Forum Auctions, May 20:</b> Fishing Portraits.- Zoffany (Johan), After. Master James Sayer, at the age of 13, mezzotint by Richard Houston, 1772. £300 to £400.
    <center><b>Forum Auctions<br>Images of Angling:<br>The David Beazley Collection<br>of Angling Prints<br>Online Sale<br>20th May 2021</b>
    <b>Forum Auctions, May 20:</b> Wilkinson (Norman). Come to Britain for Fishing, lithographic poster, [c. 1947]. £300 to £400.
    <b>Forum Auctions, May 20:</b> Scottish Fishing.- Heath (William). Sporting in the Scottish Isles no. III. Salmon Fishing, 1835; and another. £150 to £200.
    <b>Forum Auctions, May 20:</b> Simpson (Joseph). The Border Angler, drypoint, [c. 1927]. £150 to £200.

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