V. CONCLUSION AND FUTURE WORK
In this study, we integrate the data mining techniques
with face recognition technology and apply them to estimate
the effectiveness of digital signage advertisements. Because
the consumers are often passive to accept the information, it
is difficult to estimate the consumer preferences. Our active
approach can systematically collect and analyze the data
from viewing digital signage and shows that it is a feasible
solution to evaluate the effectiveness of digital signage
advertisement. Since this is a preliminary study in our
laboratory, we need to conduct more experiments in the real
world setting. We have already started to work on the
improvement of recognizing faces and viewing angles,
especially when there are too many people looking at the
same signage or moving too fast. In the future studies,
regarding the communication platform, we will study the
message transport mechanism between the mobile device
and digital signage. Then, we can get more accurate estimate
of advertisement impact for products and services. We also
like to study POPAI Digital Signage Content Standards [9]
and try the place-based media [10] approach.