[robotics-worldwide] [Jobs] Postdoc position in Lab Le2i CNRS, France

liyou liyou026 at gmail.com
Fri May 19 12:56:17 PDT 2017

The subject is part of SAFER-LC project (H2020), starting from May 2017 for a
duration of 36 months.

The main objective of SAFER-LC is to improve safety and minimize risks at
and around level crossings
(LCs) by developing a fully integrated cross-modal set of innovative
solutions and tools for the
proactive management and new design of level-crossing infrastructure. The
project will focus both on
technical solutions, such as smart detection services and advanced
communication systems and on human processes to adapt infrastructure design
to end-users and to
enhance coordination and cooperation between different stakeholders from
different transportation

The objective of the work related to the postdoc subject is to identify and
understand the dynamics of
the development of hazardous situations in LC environments. Oppositely to
manual diagnosis,
performed by human investigations and observations, the task proposes to
extend the temporal
dimension of this diagnosis by exploiting automatically big databases
provided by video system
installed in LC for acquiring video sequences over long periods (several
weeks). The proposed off-line
automatic video analysis system will allow to refine/correlate human
diagnosis with quantitative
information (statistics and classification) extracted from the automatic
system, and to extract
behavioural models of user-to-user and user-to-infrastructure (LC)

Although this problem is widely addressed by researchers in different
contexts, it constitutes a niche of open questions with scientific and
technological locks. Indeed, there is no generic user behavioural model for
a given context, since it is necessary to take into account specificities
(physic and socio-demographic) of each environment of the context, including
the variety of users. Furthermore, user behaviour depends
generally to interaction that makes running one or several instantly
situations, different types of users,
and the infrastructure and its topology (user-to-user and
user-to-infrastructure interactions).
Hence, the objective is to develop an intelligent video surveillance system
able to model and analyze
user behaviours, and extract useful information that could help
understanding of the hazard. This task
proposes to exploit big data provided by video systems installed in LC
environments for acquiring video
sequences over long periods (several weeks) of time, as well as by other
environmental sensing
systems. The behaviour analysis will be performed off-line by video image
sequence processing. 

The task will be developed in collaboration with CEREMA (Toulouse, France),
DLR (Germany) and NTNU
(Norway). The information that will be extracted by the surveillance system
includes type and
trajectory of users, structure and layout of the infrastructure (LC). Output
from other work packages
of the project will be exploited in developing the intelligent video
surveillance system. For example,
typical factors behind common LC accidents will be used to select the types
of LC to be evaluated in
this task; and societal dimension of human behavior should be taken into
account to complete and
refine mathematical model and physical models).

Requirements: Candidate with PhD degree in computer vision/artificial
intelligence. High experience
and background in video processing, machine learning and programming is
searched. Excellent English
communication capabilities are required.

Deadline to apply: 30 June 2017

Information contact: Yassine RUICHEK (yassine.ruichek at utbm.fr)

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