HYPERSPECTRAL IMAGING NETWORK NEWSLETTER
No. 5 – June 2009
The WHISPERS conference p. 1
HYPER-I-NET News p. 1
Partner’s corner p. 1
ESR/ER’s corner p. 2
Recent publications p. 3
THE WHISPERS CONFERENCE HYPERINET NEWS
• A nice link to look for post-graduate courses is provided
by the C.T. de Wit Graduate School for Production
Ecology and Resource Conservation (PE&RC), a
collaborative research and PhD training institution of
Wageningen University (WU). The full list is available
• A few positions have been recently advertised using the
HYPERINET web site and specifically the “Links” page,
“Open positions” subpage. It is extremely useful for those
looking for a position in hyperspectral imaging, as the
WHISPERS, the First Workshop on Hyperspectral Image research filed is growing. We expect that our web site will
and Signal Processing - Evolution in Remote Sensing will be collect all available position and will be the central
held in Grenoble, France this summer (August 26 - 28). It repository for everyone willing to ask for or looking for a
received the technical sponsorship of the IEEE Geoscience and position in hyperspectral imaging.
Remote Society. During the submission procedure, 157 papers • The 4-day Summer School on Hyperspectral Imaging in
have been received and carefully evaluated by the technical Pavia (Italy ) planned for September 8-11, 2009 is in an
committee (in average, each paper received 2,6 reviews). advanced stage of preparation. All partners attendin the
school are requested to register by June 30th using the
The program will soon be posted on line (http://www.ieee- following link: http://tlc.unipv.it/hyperinet/registration.htm.
whispers.com/). It will include one plenary keynote talk per day
and a number of exiting sessions on the most advanced work in
the hyperspectral world, from applications in forestry to methods
in unmixing, difficult target detection or classifciation. PARTNER’S CORNER
Please note that the registration is now opened, with the early
N. 9 – Norsk Elektro Optikk AS (NEO)
bird deadline on July 1st for reduced fees!
Norsk Elektro Optikk A/S (NEO) was established in 1985 as a
The Hyper-I-Net network confirms its role as the leading
privately owned research oriented company within the field of
group of teams involved in hyperspectral imaging: no less
electro optics. The company is today one of the largest
than 17 papers from the different partners will be presented
independent research and development organisations in electro
during the conference!
optics in Norway and has established itself as a manufacturer of
advanced electro optical products for international markets.
The banquet dinner will be organized on top of the Bastille with
a stunning view over the whole city and the Alps. Currently, NEO’s product portfolio comprises gas sensors, dust
sensors and hyperspectral imaging systems. Besides
Looking forward to meeting you in Grenoble this summer! development and manufacturing of these commercial products,
NEO regularly participates in international research projects, e.g.
funded by the European Space Agency or the EU.
NEO has been developing Hyperspectral Imaging systems for work to our cooperation partners and customers, however with
almost 15 years starting with a definition study of a some involvement from NEO. The company has however
Hyperspectral Imager for Small Satellites (HISS), for ESA in recognized the need to offer application specific software
1995-1997. This work was followed by the development of solutions together with the HySpex cameras and has therefore
several ground based and airborne prototypes as well as a recently employed a software designer with a Ph.D. in spectral
demonstrator instrument for hyperspectral polarimetric imaging imaging for this task. This will put us in the position to take
in a military research project. These prototypes are the ancestors hyperspectral imaging from research projects to real life
of NEO’s current range of HySpex cameras. operational applications, including applications where real time
data processing is needed.
The HySpex cameras come in several versions, the VNIR’s
covering the spectral range from 400nm to 1000nm, and the Within the Hyper-I-Net project, NEO has contributed with an E-
SWIR’s covering the spectral range from 900nm to 1700nm or learning course on hyperspectral camera calibration and
alternatively up to 2500nm. characterization, in addition to participation at the summer
schools. Furthermore, our range of HySpex instruments can be
In addition to the HySpex cameras, various accessories have
made available use at the various partner institutions, for
been developed and made available. Among these items one will
applications ranging from lab to field and airborne remote
find; a range of close-up lenses, field expander, equalisation
sensing measurements. Researchers from the partner institutions
filter, illumination systems, computers and software. More
are also welcome for short term visits for performing
information may be found at http://www.neo.no/hyspex/ or by
measurements and experiments in our labs. Due to the short
following the contact information therein.
geographic distance, such a visit could also be combined with a
In parallel to the design and development activities, NEO has visit to the other Norwegian Hyper-I-Net partner, FFI.
been involved in various application related projects in close
collaboration with institutions employing hyperspectral imaging
for scientific or industrial purposes. Examples of application
• Remote sensing for defence and security, forestry, Lucie Homolova, SPECIM, Finland
agriculture, geology and archaeology.
• Industrial applications such as quality control of food and Lucie Homolová (27)
characterisation of various materials, as well as sorting of was born and raised in
waste and different recycled materials. Velké Meziříčí, small
town located close to
• Ground based field applications in areas such as geological Brno in the Czech
mapping and camouflage detection Republic. In 1999
• Laboratory applications ranging from human tissue analysis Lucie started her
to forensic science, biophysics, chemistry, etc. university education at
the Forestry faculty of
Today, an extensive range of development activities within the the Czech University
field of hyperspectral imaging is ongoing at NEO. The close of Agriculture in
collaboration with users such as universities and research Prague, where she
institutes serves as a valuable source for further development of studied Landscape
the HySpex instruments. engineering MSc
NEO’s Hyper-I-Net ESR, Julio Hernandez, is working on the
her studies she gained
development of a new low light hyperspectral imaging system
broad background in
based on an EMCCD sensor, which will be employed in a variety
of applications. Julio will stay for two years at NEO and for one
year at FFI, and aims to receive a Ph.D. from the University of
sciences. After the forth year of her studies, Lucie successfully
Oslo based on this work.
applied for the Socrates/Erasmus scholarship, which allowed her
Recently a new 4-year project for development of a new state of to study at Wageningen University (The Netherlands).
the art airborne hyperspectral sensor for the whole VNIR to
It was in Wageningen, at the Centre of Geo-Information Sciences
LWIR region has been launched in cooperation with Onera in
and Remote sensing, where she first came across the field of
France and FFI in Norway. NEO will in this project develop the
remote sensing and decided to enrol in two-year MSc Program in
VNIR and SWIR instrument modules, whereas the French side
Geo-Information. This led to discontinuation of her studies in the
takes care of the MWIR and LWIR systems
Czech Republic, but it was definitely valuable experience, which
Until now, NEO’s main focus in the field of hyperspectral formed her future professional career. Lucie’s MSc thesis topic
imaging has been on instrument development, design and was estimation leaf area index of Norway spruce canopies from
manufacturing, and we have left most of the application related airborne hyperspectral data using canopy radiative transfer
modelling, and she graduated in 2005. After that she returned sometimes challenging circumstances to get used to new living
back to the Czech Republic, where she finished the last year of and working environment.
her previous university studies in Prague and at the same time
started a part-time job at Institute of Systems Biology and How do you see your career perspectives and which are your
Ecology (ISBE), Academy of Sciences in Brno. Lucie worked expectations?
two years for ISBE as a research assistant in a small group of I believe that the Hyper-I-Net training will help me to expand my
remote sensing of vegetation processes. She was mainly knowledge of imaging spectroscopy and to develop strong
contributing to the ESA/PECS research project on development scientific basis, which will be beneficial for my future career
of chlorophyll retrieval algorithm for GMES Sentinel 2 mission. steps. I would like to stay in the international research
Lucie gained experience in leaf/canopy radiative transfer environment, working on ecological applications of imaging
modelling, field/flight data collection and post-processing. spectroscopy. I also believe that I will be able to contribute and
to more promote hyperspectral remote sensing research and
Lucie joined the Marie Curie Hyper-I-Net community in
educational activities in the Czech Republic.
February 2008. She was appointed as an early stage researcher in
Specim, one of the Hyper-I-Net industrial partners, and moved
far north (close to the Arctic Circle) to Oulu in Finland. She is
currently working at Specim and conducting a PhD degree at RECENT PUBLICATIONS
Wageningen University. Her current research in Specim focuses
on evaluation and potential use of ancillary downwelling K. Bakos, P. Gamba, “A data interpretation chain for
irradiance data recorded at the sensor level for the atmospheric hyperspectral remote sensing data aimed at basic vegetation
correction of airborne hyperspectral images. Lucie will move to mapping applications”, in Proc. IEEE International Geoscience
another Hyper-I-Net partner, University of Warsaw, at the and Remote Sensing Symposium (IGARSS'09), Cape Town,
beginning of 2010. She will continue her research focusing more South Africa, 2009.
on the vegetation application of airborne imaging spectroscopy
data, specifically targeting alpine grassland ecosystem and A. Plaza, G. Martín and M. Zortea, “Analysis of different
retrievals of vegetation biochemical and structural properties for strategies for incorporating spatial information in endmember
plant functional groups mapping. extraction from hyperspectral data,” in Proc. IEEE International
Geoscience and Remote Sensing Symposium (IGARSS'09),
Cape Town, South Africa, 2009.
Questions & Answers
What is in your opinion the typical profile of a Hyper-I-Net Y. Tarabalka, J. Chanussot, J. A. Benediktsson, "Classification
ESR/ER? based marker selection for watershed transform of hyperspectral
If I had to use a few key-words to describe Hyper-I-Net young images,” in Proc. IEEE International Geoscience and Remote
researches, I would use terms like open-minded, flexible, Sensing Symposium (IGARSS'09), Cape Town, South Africa,
enthusiastic, and willingness to learn. We are able to work in a 2009.
dynamic international research community, work independently
as well as team members. Even though we all have different A. Villa, J. Chanussot and C. Jutten, "On the use of ICA for
background, we are being trained to be aware of different aspects hyperspectral images analysis", in Proc. IEEE International
of imaging spectroscopy starting from sensor design, to Geoscience and Remote Sensing Symposium (IGARSS'09),
calibration, image processing, and applications. We are young Cape Town, South Africa, 2009.
scientists with potentials to bridge gaps between different remote
sensing disciplines. A. Plaza, G. Martín and M. Zortea, “On the incorporation of
spatial information to spectral mixture analysis: survey and
How in your opinion are young researchers like you algorithm comparison,” in Proc. IEEE GRSS Workshop on
benefiting from such an experience? Hyperspectral Image and Signal Processing Conference
Participation in the Hyper-I-Net network is positive and valuable (WHISPERS'09), Grenoble, France, 2009.
experience. It introduces us to international, multi-discipline
research environment with good opportunities for specialized L. Homolova, K. Alanko-Huotari, M.E. Schaepman, “Sensitivity
training, networking, and collaboration with key-players in of the ground-based downwelling irradiance recorded by the
imaging spectroscopy field all around Europe. FODIS sensor in respect of different angular positions,” in Proc.
I especially value the time I’ve spent at Specim, because it gives IEEE GRSS Workshop on Hyperspectral Image and Signal
me an insight into a commercial/industrial environment, which Processing Conference (WHISPERS'09), Grenoble, France,
differs from the academic one I was used to work before. 2009.
The nature of the Hyper-I-Net also brings others, not necessarily
work-related, experience. For instance, ESRs have to move P. Reddy Marpu, P. Gamba and I. Niemeyer, “Hyperspectral
several times to different countries during their Hyper-I-Net data classification using an ensemble of class-dependent neural
appointment. This, on one hand broadens our multicultural networks”, in Proc. IEEE GRSS Workshop on Hyperspectral
perception and adaptability, on the other hand, it brings Image and Signal Processing Conference (WHISPERS'09),
Grenoble, France, 2009.
E. Carmina and V. Carrére, “Influence of mineral (prefered) Y. Tarabalka, J. Chanussot and J. A. Benediktsson,
orientation on composition mapping: observed in ir range of “Classification of Hyperspectral Images Using Automatic
transmission spectra”, in Proc. IEEE GRSS Workshop on Marker Selection and Minimum Spanning Forest”, in Proc. IEEE
Hyperspectral Image and Signal Processing Conference GRSS Workshop on Hyperspectral Image and Signal Processing
(WHISPERS'09), Grenoble, France, 2009. Conference (WHISPERS'09), Grenoble, France, 2009.