Unilumin Group Co., Ltd

Shenzhen Uniview Led Co., Ltd.

Feng Qi

Ming Liu

Chang Guo

Chengzhi Yu

A method of encrypting media data includes: obtaining the media data and one or more structure parameters of a display screen of a data playback device; constructing a data arrangement table based on the structure parameters; performing a data rearrangement operation on the data arrangement table to obtain position rearrangement index data, where the position rearrangement index data represents a mapping relationship between a logical position of each of pixels of the display screen and a physical position of the each of pixels; and performing pixel rearrangement encryption on each of one or more image frames of the media data based on the position rearrangement index data, to obtain encrypted media data.

Media data encryption, and media data playback

The present invention relates to an interactive LED display device which comprises a control terminal, a plurality of unit information acquisition systems, a plurality of LED modules, a plurality of interactive sensors and interactive effective induction systems. The control terminal is connected to the plurality of unit information acquisition systems. Each unit information acquisition system is connected to the plurality of LED modules. Each LED module is connected to the plurality of interactive effective induction systems. Each effective induction system is connected to one or more interactive sensors. The present invention also relates to a display method of an interactive LED display device. The LED display device and the display method have a preferred adaptability to serious circumstance, an enhanced stability of interactive display and bring out strengthened interactive display effect.

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Guangdong, China

Feng Qi