Purpose – Personal mobile devices currently have access
to a significant portion of their user’s private sensitive
data and are increasingly used for processing mobile
payments. Consequently, securing access to these mobile
devices is a requirement for securing access to the
sensitive data and potentially costly services. The authors
propose and evaluate a first version of a pan shot face
unlock method: a mobile device unlock mechanism using all
information available from a 180° pan shot of the device
around the user’s head – utilizing biometric face
information as well as sensor data of built-in sensors of
the device. The paper aims to discuss these issues.
Design/methodology/approach – This approach uses
grayscale 2D images, on which the authors perform frontal
and profile face detection. For face recognition, the
authors evaluate different support vector machines and
neural networks. To reproducibly evaluate this pan shot
face unlock toolchain, the authors assembled the 2013
Hagenberg stereo vision pan shot face database, which the
authors describe in detail in this article.
Findings – Current results indicate that the approach to
face recognition is sufficient for further usage in this
research. However, face detection is still error prone for
the mobile use case, which consequently decreases the face
recognition performance as well.
Originality/value – The contributions of this paper
include: introducing pan shot face unlock as an approach to
increase security and usability during mobile device
authentication; introducing the 2013 Hagenberg stereo
vision pan shot face database; evaluating this current pan
shot face unlock toolchain using the newly created face
database.
@article{Findling_13_TowardsPanShot, author = {Findling, Rainhard Dieter and Mayrhofer, Ren\'e}, title = {Towards Pan Shot Face Unlock: Using Biometric Face Information from Different Perspectives to Unlock Mobile Devices}, journal = {International Journal of Pervasive Computing and Communications}, year = {2013}, volume = {9}, number = {3}, pages = {190--208}, month = sep, doi = {10.1108/IJPCC-05-2013-0012}, keywords = {Biometric authentication, Face database, Face detection, Face recognition, Face unlock, Mobile device authentication}, url = {https://www.emeraldinsight.com/doi/abs/10.1108/IJPCC-05-2013-0012} }