Intsig Information Co., Ltd.

Instig Information Co., Ltd.

Xiping Luo

Teng Long

Bin Zhang

Lixin Zhen

Lu Cao

Qingshan Chen

Zhang Bin

Guo Fengjun

Ding Kai

Provided in the present invention is a method for exchanging business card information by combining character recognition and image matching, and the method is applicable in a network system composed of a website server, a first client, and a second client. The method comprises at least: the first client uploading to the website server character information and an image feature acquired from a business card image of a second client user; the website server retrieving all the prestored business cards matched with the character information from a business card database, performing an image feature matching, then selecting a candidate business card on the basis of the similarity of the image feature, and determining if the candidate business card belongs to the second client user; if so, then after obtaining the second client' permission, the website server transmitting the business card information of the second client user to the first client, while also transmitting the business card information of the first client to the second client; and if not, then ending the procedure. This ensures the accuracy and recognition speed of exchanging business card information, and further protects the privacy of the business card owners.

Business card information exchange method combining character recognition and image matching

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.

Method for adding business card information into contact list

A text image trimming method, according to the following steps: step 1, obtaining text image data; step 2, using straight line detection method to detect the straight lines of the text image, obtaining edges of a trimmed quadrangle; step 3, detecting text on the image data, obtaining the coordinates of the boundary points of a text region; and step 4, obtaining the final trimming result according to the results of steps 2 and 3. The method can automatically detect the edges of the text region and utilize the detected text region to verify and remove unrelated redundant information thereby, allowing the user to only see the portion containing the text region useful to the user when viewing image data.

Text image trimming method

Provided in the present invention are method and system for delivering an electronic business card by combining geographical location information and Bluetooth technology. The method comprises: a requesting user submitting the current geographical location information, the name of a Bluetooth communication device, and a list of the names of other detected Bluetooth communication devices to an electronic business card delivery server by using a mobile client, acquiring a list of users corresponding to neighboring mobile clients as well as the user's condensed identity information, the neighboring mobile clients being located within a predetermined distance range and located within a detection range of the Bluetooth communication device; selecting a user from the user list, sending an electronic business card delivery request to the electronic business card delivery server; the electronic business card delivery server transmitting the request to the mobile client corresponding to the selected user, and when receiving corresponding confirmation information, responding to the request so as to deliver the electronic business card. Compared with the prior art, the present invention allows for the delivery of large quantity of electronic business cards, simplified operations, and ensured accuracy and security of electronic business card contents.

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Shanghai, China

Xiping Luo