Processing techniques for visual capture data from a rendered document
First Claim
Patent Images
1. A method in a computing system for navigating an electronic document, comprising:
- receiving user input selecting a portion of the content of a rendered document, the portion constituting a sentence fragment; and
in response to receiving the user input, identifying (1) an electronic document contained in a corpus of electronic documents, the identified electronic document containing the selected document portion, and (2) a position within the identified electronic document at which the selected document portion occurs.
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Abstract
A facility for navigating an electronic document is described. The facility receives user input selecting a portion of the content of a rendered document that constitutes a sentence fragment. In response to receiving the user input, the facility identifies an electronic document contained in a corpus of electronic documents, the identified electronic document containing the selected document portion. In response to receiving the user input, the facility further identifies a position within the identified electronic document at which the selected document portion occurs.
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Citations
22 Claims
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1. A method in a computing system for navigating an electronic document, comprising:
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receiving user input selecting a portion of the content of a rendered document, the portion constituting a sentence fragment; and
in response to receiving the user input, identifying (1) an electronic document contained in a corpus of electronic documents, the identified electronic document containing the selected document portion, and (2) a position within the identified electronic document at which the selected document portion occurs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. (canceled)
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12. A method in a portable optical text capture device for capturing text from a rendered document, comprising:
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capturing from the rendered document a first image of text in the rendered document;
uploading the captured first image of text to a computer system separate from the portable optical text capture device;
receiving from the computer system a mapping of character images in a typeface used in the rendered document to character identities;
capturing from the rendered document a second image of text in the rendered document; and
using the received mapping to determine the identity of characters whose images occur in the second image of text.
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13. (canceled)
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14. A method in a portable optical text capture device for capturing text from a rendered document, comprising:
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capturing from the rendered document an image of text in the rendered document;
identifying a distinguished character contained in the captured image whose appearance is not directly associated with its identity in the portable optical text capture device by determining that the distinguished character can be formed by combining a plurality of characters other than the distinguished character whose appearances are directly associated with its identity in the portable optical text capture device in accordance with a character relationship rule stored in the portable optical text capture device.
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15. (canceled)
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16. A method in a computing system for accessing an electronic copy of a rendered document on behalf of a user, comprising:
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receiving visual content captured by the user from the rendered document;
using the captured content to identify an electronic document corresponding to the rendered document;
retrieving a copy of the identified electronic document; and
granting the user access to the retrieved copy of the identified electronic document based upon the captured content. - View Dependent Claims (17, 18)
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19. A computer-readable medium whose contents cause a computing system to perform a method for navigating an electronic document, the method comprising:
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receiving user input selecting a portion of the content of a rendered document, the portion constituting a sentence fragment; and
in response to receiving the user input, identifying (1) an electronic document contained in a corpus of electronic documents, the identified electronic document containing the selected document portion, and (2) a position within the identified electronic document at which the selected document portion occurs. - View Dependent Claims (20)
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21. A portable optical text capture device for capturing text from a rendered document, comprising:
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a capture component that captures from the rendered document a first image of text in the rendered document and a second image of text in the rendered document;
an upload component that uploads the captured first image of text to a computer system separate from the portable optical text capture device;
a reception component that receives from the computer system a mapping of character images in a typeface used in the rendered document to character identities; and
a determination component that uses the received mapping to determine the identity of characters whose images occur in the second image of text.
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22. One or more computer memories collectively containing a data structure, the data structure capable of performing a method of capturing text from a rendered document, the method comprising:
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receiving an image of text from a portable optical text capture device, the image of text captured from the rendered document; and
identifying a distinguished character contained in the received image whose appearance is not directly associated with its identity in the portable optical text capture device by determining that the distinguished character can be formed by combining a plurality of characters other than the distinguished character whose appearances are directly associated with its identity in the portable optical text capture device in accordance with a character relationship rule stored in the portable optical text capture device.
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Specification