Method for adding business card information into contact list
First Claim
1. A method for adding business card information into a contact list, comprising:
- 1) capturing an image of entrant business card;
recognizing character information on the image of the entrant business card; and
extracting image features from the image of the entrant business card;
2) comparing the character information in the entrant business card with a character information in all prestored business cards in the contact list to obtain one or more character-matched business cards;
comparing image features of the entrant business card with image features of each of the one or more character-matched business cards; and
calculating a measurement value representing a degree of similarity between the image features of the entrant business card and each of the one or more character-matched business cards;
3) selecting a character-matched business card having a highest measurement value as a candidate business card; and
4) determining whether the candidate business card and the entrant business card belong to a same contact;
when a result of the determining step is affirmative, indicating that the entrant business card information is present in the contact list, when the result of the determining step is negative, indicating that the entrant business card information is not in the contact list;
wherein in step
2), comparing image features is to compare feature points and feature vectors corresponding to each feature point with respect to the business card images of the one or more character-matched business cards and the business card image of the entrant business card.
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Accused Products
Abstract
Provided in the present invention is a method for determining if a business card about to be added has been present in a contact list, and the method is applicable in an electronic device having a contact list used for storing business card information of contacts. The method comprises: the electronic device acquiring a business card image of the business card about to be added, then retrieving the business card image of each prestored business card from the contact list on the basis of character information on the business card image, performing an image feature matching respectively with the business card about to be added, and selecting a candidate business card on the basis of image feature similarity; determining if the candidate business card and the business card about to be added belong to a same user; if the answer is yes, then displaying that the business card about to be added has been present in the contact list, and if the answer is no, then displaying that the business card about to be added has not been present in the contact list yet. This is used for automatic determination of whether the recognized business card has already been present in the contact list by combining character recognition result and image feature, thus solving the common problem in the prior art of user adding redundant entry to the contact list.
14 Citations
10 Claims
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1. A method for adding business card information into a contact list, comprising:
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1) capturing an image of entrant business card;
recognizing character information on the image of the entrant business card; and
extracting image features from the image of the entrant business card;2) comparing the character information in the entrant business card with a character information in all prestored business cards in the contact list to obtain one or more character-matched business cards;
comparing image features of the entrant business card with image features of each of the one or more character-matched business cards; and
calculating a measurement value representing a degree of similarity between the image features of the entrant business card and each of the one or more character-matched business cards;3) selecting a character-matched business card having a highest measurement value as a candidate business card; and 4) determining whether the candidate business card and the entrant business card belong to a same contact;
when a result of the determining step is affirmative, indicating that the entrant business card information is present in the contact list, when the result of the determining step is negative, indicating that the entrant business card information is not in the contact list;wherein in step
2), comparing image features is to compare feature points and feature vectors corresponding to each feature point with respect to the business card images of the one or more character-matched business cards and the business card image of the entrant business card. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification