Injecting a code into video data without or with limited human perception by flashing the code

摘要

A playlist and a digital advertisement are received. The digital advertisement is output to a screen on the basis of information in the playlist. A code is generated based on the information in the playlist and the generated code is output to the screen. The generated code is output to the screen by flashing the generated code on the screen at a predetermined flash frequency and for a predetermined flash time so that the generated code is visually imperceptible or barely detectable to a human viewer. A suitable equipped electronic device may detect the code and utilize information encoded in the code in various ways.

主权项

1. A computer-implemented method for injecting a code into video data without or with limited human perception, the method comprising performing computer-implemented operations for:
receiving a playlist and a digital advertisement; outputting the digital advertisement to a display screen on the basis of information in the playlist; generating a code based on the information in the playlist; outputting the generated code to the screen, wherein outputting the generated code to the screen comprises flashing the generated code on the display screen at a predetermined flash frequency and for a predetermined flash time so that the generated code is visually imperceptible or barely detectable to a human viewer; and determining whether a contrast between the generated code and the digital advertisement is high or low, and changing the flash frequency or the flash time in response to determining that the contrast between the generated code and the digital advertisement is high or low.