Patent Document ID: 20160295287
Application ID: 15176030
Patent Status: 0

Claim One:
1. A method of determining TV channel information, the method comprising: at a digital video conversion device having one or more processors, radio-frequency circuitry and memory for storing program modules to be executed by the one or more processors, wherein the digital video conversion device is communicatively coupled to a TV set and a TV signal source, respectively, so as to pass TV signals from the TV signal source to the TV set: receiving a TV channel identification request from a mobile terminal via a wireless communication channel; in response to the TV channel identification request: acquiring an image from the TV signals currently broadcasted on the TV set; extracting a plurality of station logo characteristic sets from the image, wherein each station logo characteristic set corresponds to one of a plurality of station logo templates; calculating a similarity score between each station logo characteristic set and a corresponding station logo template; identifying one of the plurality of station logo templates as matching the image based on their similarity scores; and returning TV channel information associated with the identified station logo template to the mobile terminal.