| CPC G06F 9/451 (2018.02) [G06F 3/0489 (2013.01)] | 15 Claims |

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1. A displaying method for a key information interface, comprising:
determining a hot key is triggered;
detecting a focused window when the hot key is triggered;
obtaining at least one window frame according to the focused window;
obtaining a plurality of pixel data according to the at least one window frame;
using a key information inference model to infer at least one key information category and at least one key information item of each of the at least one key information category according to the pixel data;
retrieving an information content corresponding to each of the at least one key information item; and
displaying the at least one key information category, the at least one key information item and the at least one information content on the key information interface.
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