Rare Book Monthly

Articles - March - 2012 Issue

Converting image to text, mobile-style

The test text

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

  • Sotheby’s
    Modern First Editions
    Available for Immediate Purchase
    Sotheby’s, Available Now: Winston Churchill. The Second World War. Set of First-Edition Volumes. 6,000 USD
    Sotheby’s, Available Now: A.A. Milne, Ernest H. Shepard. A Collection of The Pooh Books. Set of First-Editions. 18,600 USD
    Sotheby’s, Available Now: Salvador Dalí, Lewis Carroll. Alice's Adventures in Wonderland. Finely Bound and Signed Limited Edition. 15,000 USD
    Sotheby’s
    Modern First Editions
    Available for Immediate Purchase
    Sotheby’s, Available Now: Ian Fleming. Live and Let Die. First Edition. 9,500 USD
    Sotheby’s, Available Now: J.K. Rowling. Harry Potter Series. Finely Bound First Printing Set of Complete Series. 5,650 USD
    Sotheby’s, Available Now: Ernest Hemingway. A Farewell to Arms. First Edition, First Printing. 4,200 USD
  • Gonnelli:
    Auction 50
    Books, Autographs & Manuscripts
    March 6th-7th 2024
    Gonnelli: Cramer, [Picasso, Chagall , Miró], Trente ans d'activité. Starting price 4800€
    Gonnelli: Futurism
    Gonnelli: Avienus, Opera. 1488. Starting price 1200€
    Gonnelli: Vimont, Relation de ce qui s'est passé en la Nouvelle France, en l'année 1642. Starting price 5000€
    Gonnelli: Goedart, Metamorphosis et historia naturalis insectorum. 1662.
    Gonnelli: Il Petrarcha con la spositione di M. Giovanni Andrea Gesualdo.
    Gonnelli: Poblacion, De usu astrolabi compendium.
  • Toronto Book Auctions
    ART-PHOTO-SIGNED-BOOKS-MILITARY(NON)FICTION
    March 6, 2024
    Toronto Book Auctions, Mar. 6: [ART BOOK MONOGRAPH] DAVID BURLIUK WITH ORIGINAL DRAWING and Signed twice. David Burliuk Rare ACA Gallery exhibition catalogue, undated. CA$400 – 800
    Toronto Book Auctions, Mar. 6: [ART BOOK MONOGRAPH] KAWS: COMPANIONSHIP IN THE AGE OF LONELINESS. Text by Margaret Atwood. National Gallery of Victoria, Australia, 2019. $CA400 - 800
    Toronto Book Auctions, Mar. 6: [ART BOOK MONOGRAPH] LAWRENCE WEINER: POSTERS. Nova Scotia College of Art, Canada,1987. CA$800 – 1,200
    Toronto Book Auctions
    ART-PHOTO-SIGNED-BOOKS-MILITARY(NON)FICTION
    March 6, 2024
    Toronto Book Auctions, Mar. 6: WILBUR SMITH: THE DARK OF THE SUN. Heinemann, UK, 1965. Signed First edition. CA$800 – 1,200
    Toronto Book Auctions, Mar. 6: ROBERTSON DAVIES: LEAVEN OF MALICE. SIGNED Clark, Irwin, & Co., Canada. 1954. 1st edition. CA$400 – 600
    Toronto Book Auctions, Mar. 6: [THE NOTABLE TRAILS LIBRARY]. 8 VOLUMES SOLD TOGETHER. INCLUDING: THE TRIAL OF DR. X; ROE V. WADE; THE GALILEO AFFAIR; THE TRIAL OF BERNHARD GOETZ… CA$300 – 500
    Toronto Book Auctions
    ART-PHOTO-SIGNED-BOOKS-MILITARY(NON)FICTION
    March 6, 2024
    Toronto Book Auctions, Mar. 6: [MILITARY FICTION]. 8 VOLUMES SOLD TOGETHER. INCLUDING: Canada's Royal Military College. REVIEW, THE STONE FRIGATE, A HISTORY OF THE RMC… CA$300 – 400
    Toronto Book Auctions, Mar. 6: [WW1] CANADIAN (C.S.E.F.) SIBERIA 1918-1919 PHOTO ALBUM. With approximately 303 original official war photographs, postcards, and personal photographs. CA$8,000 – 10,000.
    Toronto Book Auctions, Mar. 6: HANS BELLMER: THE DOLL. 1995, 1st Ed. CA$150 – 300.
    Toronto Book Auctions
    ART-PHOTO-SIGNED-BOOKS-MILITARY(NON)FICTION
    March 6, 2024
    Toronto Book Auctions, Mar. 6: FAN HO; HONG KONG YESTERDAY. ModernBooks edition, 2006. First edition. 4to. CA$300 – 600.
    Toronto Book Auctions, Mar. 6: TARYN SIMON: AN AMERICAN INDEX OF THE HIDDEN AND UNFAMILIAR. Hatje Cantz, Germany, 2012. Third edition. CA$600 – 1,000.
    Toronto Book Auctions, Mar. 6: BARBARA KRUGER PICTURE/READINGS. [Self-Published], 1978 First edition. CA$800 – 1,200.

Article Search

Archived Articles

Ask Questions