ISC 1057 Google Books Quiz #1

Google Books provides users with the full text to all books that it has scanned

False

The goal of optical character recognition (OCR) software is to turn an image of text into a searchable file.

False

To create searchable text of a book, all that has to be done is to scan (i.e., take a photographic image) each page of the book.

False

If an OCR program uses the concept of identifying components of a letter to recognize it ( as shown below) then it is using a technique called

Feature Extraction

OCR-A is a special font where all the characters have the same width and is typically used by banks but is not useful in printing novels.

True

Some errors created by using OCR software to turn an image of a book into searchable text can be caused by unusual fonts.

True

Sophisticated OCR programs use a dictionary to assist in identifying words; for example, if the middle letter in the the 3-letter word d_g is either an "a" or an "o"' then a dictionary look up will clarify the correct answer. Group of answer choices

True

The goal of optical character recognition (OCR) software is to turn an image of text into a searchable file.

True

The images that result from the automatic scanners that Google Books uses sometimes contain errors due to problems such as a folded or skipped page,.

True

reCAPTCHA is an application which relies on the fact that computers have trouble reading badly written text.

True