Research timeline (2018 - 2015)
Congratulations to Simone Zappala for successfully defending his PhD thesis
at the University of Vienna under the supervision of Dr. Darian Onchis. Best
wishes for the future to Dr. Simone Zappala !
The paper "Numerical Stability of Spline-Based Gabor-like Systems", having
as co-authors the members of the CREAM research group (Onchis, Zappala,
Real, Istin), was accepted at the prestigious conference EUSIPCO,
to be held in early September 2018 in Rome, Italy.
The CREAM research group, leaded by Darian Onchis, will participate
with a presentation at the 14th Austrian Numerical Analysis Day, held
this year in Klagenfurt.
Lange Nacht der Forschung in Austria. Attending a special live talk
given by Prof. Herbert Edelsbrunner from ISTA.
Darian Onchis will be an editor for the special issue on Deep Learning
for diagnosis and prognosis in manufacturing, to be published in the
Elsevier journal Computers in Industry, Impact Factor 2.691.
The tasks as member of TPC for the EUSIPCO (European Signal Processing) 2018
conference were completed by Darian Onchis with the reviews of 5 papers.
Darian Onchis will give a talk on harmonic analysis methods for detecting
proteine coding regions at the 2nd Romanian Bioinformatics Seminar, to be
held at the Institute of Biochemistry of the Romanian Academy between 18th
and 20th of April 2018.
The Matlab toolbox to compute the HSF of a binary digital image according
to the paper "Computing Homotopy Information of Digital Images in Parallel",
was uploaded to Matlab File Exchange. The paper was written by P. Real,
F. Diaz-del-Rio, H. Molina-Abril, D. M. Onchis and S. Blanco-Trejo.
The paper "Realizable algorithm for approximating Hilbert-Schmidt operators
via Gabor Multipliers", co-authors Darian Onchis and Simone Zappala, will be
published in the Elsevier Journal of Computational and Applied Mathematics,
Impact factor 1.357
The paper "Stability of Spline-Type Systems in the Abelian Case", co-authors
Darian Onchis and Simone Zappala was published in the journal SYMMETRY,
Impact factor 1.457
Our long time scientific collaborator and friend, Prof. Pedro REAL was appointed
officialy as CATEDRATICO at the University of Seville, Spain. Congratulations !
Four master students will prepare their dissertation thesis on topics related
to deep learning and signal processing under the coordination of Dr. Darian
Dr. Codruta Istin won a research mobility grant and she will be integrated
in our research group for the next 3 months. Congratulations !
Darian won a Smart Cup at the CODECAMP IT conference, 2017, October.
The workshop DRILLS, chair Darian Onchis has a final program.
The paper entitled "Detecting proteine coding regions using a customized multi-scales
splines construction", single author Darian Onchis, was accepted for presentation at
the DRILLS workshop and it will be included in the ISI-indexed post-proceedings
of the SYNASC 2017 conference published be IEEE.
The paper entitled "Constructive realizable wavelet-like systems based on multi-windows
spline-type spaces", co-authors Darian Onchis, Simone Zappala was accepted for presentation
at the SYNASC 2017 conference and it will be included in the ISI-indexed
post-proceedings published be IEEE.
Three universities to which I am scientifically connected are among the first
50 universities in the world ( Shanghai-Ranking ):
* University of Vienna, Austria, Place 37, Senior researcher, PhD advisor,
* Aix-Marseille University, Place 45, Habilitation diploma,
* University of Seville, Spain, Place 49, PhD-like title.
Scientific interaction with Prof. Josep Martinez from the University of Valencia, Spain.
Participation during the Period 3 of the Foundations of Computational Mathematics
conference (FOCM 2017), held in Barcelona, Spain.
Visit at the Centre de Mathématique et Informatique, Aix-Marseille Université and
scientific interaction with Prof. Bruno Torresani.
Darian Onchis is the principal invited researcher for the scientific and training
program entitled "Training and Research week on Topological and Harmonic Algorithms
for Bio-Images and Sequences", organized by the Institute of Mathematics of the
University of Seville and by the research group TopRec, between July 24-July 28.
Simone Zappala succesfully graduated the training program for the PhD in mathematics
at the University of Vienna by obtaining all the ECTS credits. He has a full year
now to prepare the PhD thesis defence.
Darian Onchis completed the review work for the international conferences 13th IEEE
International Conference on Intelligent Computer Communication and Processing (ICCP 2017)
and 11th International Symposium on Intelligent Distributed Computing.
Darian Onchis accepted to be a member of the international jury for the examination
and the defence of the PhD student Raul Reina Molina from the University of Seville,
Spain, supervisor Prof. Pedro Real.
The papers entitled "Labelling color 2D digital images in theoretical near logarithmic
time", co-authors Fernando Diaz-del-Rio, Pedro Real and Darian Onchis and respectively
"Space-variant Gabor decomposition for filtering 3D medical images", co-authors Darian
Onchis, Codruta Istin and Pedro Real, were accepted at 17th International Conference on
Computer analysis of Images and Patterns CAIP 2017 and they will be published in LNCS,
Lecture Notes in Computer Science, Springer.
Simone Zappala was accepted with schoolarship and he will participate in the Summer
School on Applied Harmonic Analysis, to be held in Genova during July 24-28, 2017
The presentation entitled "Numerical considerations of consistency and stability
in spline-type spaces", was given at the Austrian Numerical Analysis Day, held in
Salzburg, May 4-5, 2017, (http://anaday2017.sbg.ac.at/).
The Matlab code to support the paper entitled "Labelling color 2D digital images
in theoretical near logarithmic time", co-authors Fernando Diaz-del-Rio, Pedro Real
and Darian Onchis, was released in MatlabCentral, FileExchange.
The work "Novel aspects of approximating Hilbert Schmidt operators via Gabor
Multipliers and Spline-type Spaces", co-authors Darian M. Onchis and Simone Zappala,
was accepted for presentation at the workshop C1 - Computational Harmonic Analysis
and Compressed Sensing at FoCM2017, Foundations of Computational Mathematics,
Barcelona, July 10th-19th, 2017 (http://www.ub.edu/focm2017/).
The paper "Toward Parallel Computation of Dense Homotopy Skeletons for nD Digital
Objects", co-authors Pedro Real, Fernando Diaz-del-Rio and Darian Onchis, was accepted at
the 18th International Workshop on Combinatorial Image Analysis and it will be published in
the Springer Lecture Notes in Computer Science (http://www.cs.fredonia.edu/barneva/IWCIA17/).
Darian Onchis accepted to be a member of the Program committee for the workshop on
"Digital Image Processing for Medical and Automotive Industry" in the framework of
SYNASC 2017, (https://synasc.ro/2017/workshops/dipmai-2017/).
CREAM Toolbox v1.0 was released. It includes Matlab code in support of the research
papers (e.g. Band limited case, Deformation to test continuity, Pseudodifferential
operator approximation, Standard Gabor and many more...).
Remark: The toolbox is released in the framework of the FWF project P27515 under open
access license for scientific work (see license file enclosed in the archive).
Please ask for the password at the following email: firstname.lastname@example.org.
Darian M. Onchis will organize the 1st workshop DRILLS (Data Representation in Learning,
Living-Systems and Signals) in conjunction with the SYNASC 2017 Symposium.
Darian M. Onchis supported the team composition of the maths research group FQM 296,
accredited by the Junta de Andalucia, Spain.
Darian M. Onchis accepted the invitation to join the program committee of WBICV2017
(First International Workshopon Brain-Inspired Computer Vision) being held in Catania,
Sicily, 11 September - 12 September, 2017 (http://wbicv2017.ai.edu.mt/?page_id=14).
Darian M. Onchis accepted the invitation to join the TPC of the 25th European Signal Processing
Conference (EUSIPCO) being held in Kos Island, Greece, 28 August - 2 September, 2017.
Darian M. Onchis supported as co-applicant the COST Action Proposal OC-2016-2-21631
"Tomography Across Modalities and Scales", about the emerging field of multi-scale,
multi-modal techniques for tomographic imaging, submitted to the COST Open Call OC-2016-2.
The papers entitled "Detection of the mandibular canal in orthopantomography using a
Gabor-filtered anisotropic generalized Hough transform" co-authors Darian M. Onchis,
Simone Zappala, Smaranda Laura Gotia, Pedro Real, Marius Pricop and respectively
"A parallel Homological Spanning Forest framework for 2D topological image analysis"
co-authors Fernando Diaz-del-Rio, Pedro Real, Darian M. Onchis, were awarded the "yellow"
prize (second category) from the UEFISCDI, Romanian National Institution for financing
higher education, research, development and innovation.
Darian M. Onchis and Simone Zappala, have participated in the Numerical track of the 18th
International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC 2016).
Darian M. Onchis joined the Editorial board of the journal Theory and Applications of Mathematics
& Computer Science (indexed by MathSciNet; Zentralblatt für Mathematik).
Darian M. Onchis, accepted the invitation to join the the international programme committee
of the 17th International Conference on Computer analysis of Images and Patterns CAIP 2017,
to be held in Ystad, Sweden, Aug 22-24, 2017.
The paper entitled "A parallel Homological Spanning Forest framework for 2D topological
image analysis", co-authors Fernando Diaz-del-Rio, Pedro Real, Darian M. Onchis, was
accepted for publication in the journal Pattern Recognition Letters (Elsevier).
The paper entitled "Double Hough transform for estimating the position of the mandibular canal
in dental radiographs", co-authors Darian M. Onchis, Simone Zappala, Smaranda Laura Gotia, Pedro
Real was accepted for publication in the ACA 2015 Springer PROMS book of proceedings.
The paper entitled 'An almost fully parallel algorithm for computing the component tree of
a binary digital image based on HSF', co-authors Fernando Diaz-del-Rio, Pedro Real and Darian
M. Onchis is published in the CMMSE 2016: Proceedings of the 16th International Conference on
Mathematical Methods in Science and Engineering, Almeria, Spain. ISBN 13-978-84-608-6082-2.
Succesful presentation of the PhD project entitled "Realizable methods in time-frequency analysis
based on spline-type constructions" by Simone Zappala at the University of Vienna.
Darian M. Onchis, completed his review assignments for the 21st IBEROAMERICAN CONGRESS ON PATTERN
RECOGNITION, CIARP 2016, to be held between November 8th - 11th, 2016 in Lima, Peru.
The paper entitled 'Computing a new topological feature for grey-level 2D digital images: the topological
hole tree', co-authors Fernando Diaz-del-Rio, Darian M Onchis and Pedro Real, is published in the
Proceedings of the 22nd Conference on Applications of Computer Algebra, Kassel, Germany, 1-4th August.
Scientific evaluation and contract prolongation for PhD. student Simone Zappala.
The paper entitled 'On Homotopy Continuation for Speech Restoration', co-authors Darian M.
Onchis and Pedro Real, will be published in the Springer Lecture Notes in Computer Science
(LNCS) 9667, book title Computational Topology in Image Context 2016.
Completion of the review work for the 19th International Conference on Digital Audio Effects
(DAFx16) which will be held at the Brno University of Technology (BUT), Czech Republic,
on September 5–9 2016.
Invited panelist in the exploratory workshop 'BIG DATA'. The workshop took place during the
conference about the Romanian scientific diaspora, held under the high patronage of the
President of Romania.
Simone Zappala has applied for the BMS Summer School 'Mathematical and Numerical Methods
in Image Processing',(http://www.math-berlin.de/academics/summer-schools).
The paper entitled 'Approximate dual Gabor-like frames based on realizable multi-window
spline-type constructions', co-authors Darian M. Onchis and Simone Zappala was submitted
to the SYNASC 2016 conference, the numerical computing track.
The paper entitled 'A parallel HSF framework for 2D topological image analysis', co-authors
F. Diaz-del-Rio, P. Real and D.M. Onchis, was submitted to the journal Pattern Recognition Letters.
The paper entitled 'A parallel implementation for computing the Region-Adjacency-Tree
of a segmentation of a 2D digital image ', co-authors F. Diaz-del-Rio, P. Real
and D. Onchis, was published in the Springer Springer Lecture Notes in Computer Science
(LNCS) 9555, Image Processing series.
Prof. Dr. Darian Onchis was a member of the committee for the selection of a candidate
for a full professorship position at the Aurel Vlaicu University of Arad. The successful
applicant was Sorin Nadaban, the Dean of the Faculty of Exact Sciences.
Invitation to join the program committee as PC Member for the conference
'6th International Workshop on Computational Topology in Image Context', to be held in
Marseille, France between June 15-17, 2016.
The paper entitled 'On homotopy continuation for speech restoration', co-authors Darian M.
Onchis and Pedro Real, was submitted to the conference '6th International Workshop on Computational
Topology in Image Context'
The paper entitled 'Double Hough transform for estimating the position of the mandibular
canal in dental radiographs', co-authors Darian M. Onchis, Simone Zappala, Smaranda Gotia
and Pedro Real, was submitted to the Springer Post-Proceedings of the
conference 'Applications of Computer Algebra 2015: Kalamata, Greece'
PhD project presentation by Simone Zappala (Master in Torino, Bachelor in Catania) at the
Faculty of Mathematics of the University of Vienna (supervisor Darian M. Onchis).
Participation as a member of the organization committee in the student symposium
EMING 2015, hosted by the University of Resita.
Invitation from Prof. Boualem Boashash to contribute with chapter 15.7 entitled
CONDITION MONITORING OF ASSETS USING TIME-FREQUENCY METHODS, in the upcoming book
Time-Frequency Signal Analysis and Processing, Second Edition: A Comprehensive Reference
2nd Edition, published by Elsevier, ACADEMIC PRESS, ISBN: 978-0-12-398499-9.
7th Pacific Rim Symposium on Image and Video Technology, 23-27.11.2015, Auckland, New Zealand
Workshop: 2D and 3D Geometric Properties from Incomplete Data (GPID 2015)
F. Diaz-del-Rio, P. Real, and D. Onchis. A parallel implementation for computing
the Region-Adjacency-Tree of a segmentation of a 2D digital image
Paper included in the IEEE Post-Proceedings of the SYNASC 2015 conference:
H. Lachambre, B. Ricaud, G. Stempfel, B. Torresani, C. Wiesmeyr and D. M. Onchis.
'Optimal window and lattice in Gabor transform. Application to audio analysis'.
Research Award, Red prize (highest category) for the article with sole author Darian M. Onchis,
entitled 'Increasing the image resolution using multi-windows spline-type spaces', published in
Signal Processing Vol.103 (2014) p.195--200. Awarded by UEFISCDI, Romanian National Institution
for financing higher education, research, development and innovation.
17th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing
Session Numerical Computing. Monday, 21 September 2015 (16:40-17:00) Darian Onchis.
'Optimal window and lattice in Gabor transform. Application to audio analysis'.
CAIP 2015, 16th International Conference on COmputer Analysis of Images and Pattern
Valletta - Malta. Darian M. Onchis was a member of Program committee.
Pattern Recognition Letters. Submission of the paper: 'Detection of the mandibular canal in
orthopantomography using a Gabor-filtered anisotropic generalized Hough transform'
by D. M. Onchis, S. Zappala, S.L. Gotia, P. Real and M. Pricop
21st Conference on Applications of Computer Algebra ACA 2015
July 20-23, 2015, Kalamata, Greece
S9.- Applied and Computational Algebraic Topology
18:30 – 19:00, Monday July 20
* (Darian Onchis). Estimating the position of the mandibular canal in dental radiographs using
the generalized Hough transform by D.M. Onchis, S.L. Gotia, P. Real
* Exploring relationships between homology generators using algebraic-topological models
of regular CW-complexes by P. Real, A. Gonzalez-Lorenzo, A. Bac, J.L. Mari, D. Onchis-Moaca
Invited speaker at the Activities for the Doctoral Program at the Institute of Mathematics of
the University of Seville. 'Topología algebraica computacional aplicada a la imagen digital
n-dimensional'. Venue: Seminario IMUS, Edificio Celestino Mutis
GeToHa. Special Issue on Geometric, Topological and Harmonic Trends to Image Processing
in the Elsevier journal Pattern Recognition Letters. Submission deadline: July 20, 2015
Editors: Pedro Real (MGE), Darian Onchis Moaca, Helena Molina-Abril, Mihail Gaianu
* Kick-off for the FWF project P27516. Foundation of the research group CREAM (Constructive realizations,
expansion algorithms and modelling) with Darian Onchis and Simone Zappala as team members
* After an international selection process Simone Zappala (Master at University of Torino,
Bachelor at University of Catania), was selected as PhD student.