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Computing the Testing Error without a Testing Set [article]

Ciprian Corneanu, Meysam Madadi, Sergio Escalera, Aleix Martinez
2020 arXiv   pre-print
Using a sequestered testing dataset may address this problem, but this requires a constant update of the dataset, a very expensive venture.  ...  Specifically, we derive a number of persistent topology measures that identify when a DNN is learning to generalize to unseen samples.  ...  Formally, ν pq = n i=1 (a pi − a p )(a qi − a q ) ς ap ς aq , (2) where a and ς a indicate the mean and standard deviation over X .  ... 
arXiv:2005.00450v1 fatcat:qp43bckwvbbdhdwtury6yzmn7y

Industry 4.0 and Prospects of Circular Economy: A Survey of Robotic Assembly and Disassembly [article]

Morteza Daneshmand, Fatemeh Noroozi, Ciprian Corneanu, Fereshteh Mafakheri, Paolo Fiorini
2021 arXiv   pre-print
We consider and review various aspects of manufacturing and remanufacturing frameworks while particularly focusing on their desirability for supporting a circular economy.  ...  a final one.  ...  Schematic illustration of a peg being withdrawn from a hole in a disassembly process, involving (a) Zero, (b) One, (c) Two or (d) Infinite contacting points between them, the latter constituting a line  ... 
arXiv:2106.07270v1 fatcat:xlp232rvsvgitgpsvn64y6oh6i

Deep Structure Inference Network for Facial Action Unit Recognition [article]

Ciprian A. Corneanu, Meysam Madadi, Sergio Escalera
2018 arXiv   pre-print
classes similar to a graphical model inference approach in later stages.  ...  In this paper, we propose a deep neural architecture that tackles both problems by combining learned local and global features in its initial stages and replicating a message passing algorithm between  ...  From sj (the patch predictions for a specific AU) we learn a combination for producing a single AU prediction fj (simplified ψpy in Eq. 4).  ... 
arXiv:1803.05873v2 fatcat:tfpoqwsqarct5hksyzhvuqaxqy

Towards explaining the generalization gap in neural networks using topological data analysis [article]

Rubén Ballester, Xavier Arnal Clemente, Carles Casacuberta, Meysam Madadi, Ciprian A. Corneanu, Sergio Escalera
2022 arXiv   pre-print
the need of a test set.  ...  For this purpose, we compute homological persistence diagrams of weighted graphs constructed from neuron activation correlations after a training phase, aiming to capture patterns that are linked to the  ...  is a hard problem.  ... 
arXiv:2203.12330v1 fatcat:xdlmx5jv3faa7h5msakxb2pdbq

Spatiotemporal analysis of RGB-D-T facial images for multimodal pain level recognition

Ramin Irani, Kamal Nasrollahi, Marc O. Simon, Ciprian A. Corneanu, Sergio Escalera, Chris Bahnsen, Dennis H. Lundtoft, Thomas B. Moeslund, Tanja L. Pedersen, Maria-Louise Klitgaard, Laura Petrini
2015 2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)  
For this purpose, we extract energies released by facial pixels using a spatiotemporal filter.  ...  Pain is a vital sign of human health and its automatic detection can be of crucial importance in many different contexts, including medical scenarios.  ...  A force gauge fitted with a rubber disk with a surface of 1 cm 2 was used in this study.  ... 
doi:10.1109/cvprw.2015.7301341 dblp:conf/cvpr/IraniNSCEBLMPKP15 fatcat:3jekokhcuzbsnmr3dasaez3kvq

The Metropolitan Bishop and Academy Member Nicolae Corneanu (1923-2014). Patristic Scholar and Tireless Promoter of the Inter-Religious Dialogue [chapter]

Ionel Popescu
2015 Philosophy, communication, media sciences  
Nicolae Corneanu had a particular interest in studying The Holy Fathers, the patristic spirituality, a field which was very difficult to research in the atheistic communist years.  ...  In addition to being a patristic scholar, he was also a very well known and appreciated ecumenist.  ...  His long research in patristic studies started when he was 20 with his first article titled "Autoritatea episcopala după Sfântul Ciprian" "The Bishop authority according to Saint Ciprian of Carthage,"  ... 
doi:10.22618/tp.pcms.20151.176016 fatcat:crtssfvmbrduzlv74txjtpdpeq

List of TBIOM Reviewers for 2019

2020 IEEE Transactions on Biometrics Behavior and Identity Science  
Corneanu Bruno Crispo Adam Czajka D Antitza Dantcheva Abhijit Das Rig Das John Daugman Debayan Deb Jiankang Deng Weihong Deng Abhinav Dhall Weiming Dong Xingbo Dong Yueqi Duan E Simon  ...  Castillo Hayreddin Çeker Rama Chellappa Cunjian Chen Liming Chen Kevin Ho Man Cheng Xiaojuan Cheng Saheb Chhabra Sunghee Choi Yun-Huoy Choo Tarang Chugh Necati Cihan Guglielmo Cola Tee Connie Ciprian  ... 
doi:10.1109/tbiom.2019.2959118 fatcat:y6jdwspgcbaipl3lnie7ubjfy4

Direcții teologico-patristice în opera mitropolitului dr. Nicolae Corneanu al Banatului (1962-2014)

Daniel Enea
2019 Teologie și educație la "Dunărea de Jos"  
His work, in which we will meet concerns of the most varied, builds a solid and reference bridge between the distant period of patristic Christianity and today.  ...  Metropolitan Nicolae de Banat (1962-2014) paid special attention to the writing activity by which he made a significant contribution to the theological literature, to the church press and beyond.  ...  lau în fruntea comunităților vechi creștine, episcopii ierarhi ca Ciprian, a lau în fruntea comunităților vechi creștine, episcopii ierarhi ca Ciprian, Ioan Hrisostom, Vasile cel Mare, Efrem Sirul, Niceta  ... 
doi:10.35219/teologie.2019.05 fatcat:eywrmu7lvffqvlklw43nlsnaoy

Spiritualitatea teologică românească la începutul secolului al XXI-lea

Oana Pop
2015 Altarul reîntregirii  
privind trecutul Bisericii; Mitropolitul Nicolae Corneanu ( † 2014) al Banatului a publicat lucrări de Patrologie.  ...  Ene Braniște, la Facultatea din București; mitropolitul Laurențiu (Liviu) Streza al Ardealului și conferențiarul Ciprian Streza la Facultatea din Sibiu; pr. prof. Gheorghe Sava 8 de la Iași.  ...  Concluzii Orice popor ajunge să se recomande și să se identifice prin cultura și civilizația pe care a creat-o și a lăsat-o moștenire peste timp generațiilor viitoare.  ... 
doi:10.29302/ar.2015.2.20 fatcat:yb7u3z4bdzcqtmrnsgytnqclsa

Improved Model for Facial Expression Classification for Fear and Sadness Using Local Binary Pattern Histogram

Adebola K. Ojo, Temitope Ololade Idowu
2020 Journal of Advances in Mathematics and Computer Science  
There have been a number of supervised machine models developed and used for facial recognition in past researches.  ...  In this study, a Local Binary Pattern Histogram model was proposed for Facial expression classification for fear and sadness.  ...  Kaustubh Kulkarni, Ciprian Adrian Corneanu, Ikechukwu Ofodile, Sergio Escalera, Xavier Baro, ylwia Hyniewska, Juri Allik, Gholamreza Anbarjafari.  ... 
doi:10.9734/jamcs/2020/v35i530279 fatcat:t2iyul6sy5futl3g4yym6a7k6y

Learning Multi-dimensional Edge Feature-based AU Relation Graph for Facial Action Unit Recognition [article]

Cheng Luo, Siyang Song, Weicheng Xie, Linlin Shen, Hatice Gunes
2022 arXiv   pre-print
Our approach first encodes each AU's activation status and its association with other AUs into a node feature.  ...  Then, it learns a pair of multi-dimensional edge features to describe multiple task-specific relationship cues between each pair of AUs.  ...  [Corneanu et al., 2018] Ciprian Corneanu, Meysam Madadi, and Sergio Escalera. Deep structure inference network for facial action unit recognition.  ... 
arXiv:2205.01782v1 fatcat:wfsemkzck5a65avhoxro4rvu3m

ChaLearn Looking at People and Faces of the World: Face AnalysisWorkshop and Challenge 2016

Sergio Escalera, Mercedes Torres Torres, Brais Martinez, Xavier Baro, Hugo Jair Escalante, Isabelle Guyon, Georgios Tzimiropoulos, Ciprian Corneanu, Marc Oliu, Mohammad Ali Bagheri, Michel Valstar
2016 2016 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)  
A custom-build application was used to collect and label data about the apparent age of people (as opposed to the real age).  ...  As a consequence, FotW is a very diverse and technically challenging dataset. A full description of the Faces of the World dataset, including all the additional labels, can be found in [28] .  ...  Joining both databases we gathered a total of 4,691 images and nearly 145,000 votes. The challenge received a record participation of about 100 registered teams.  ... 
doi:10.1109/cvprw.2016.93 dblp:conf/cvpr/EscaleraTMBEGTC16 fatcat:52fejcd3hnferl22sneuetkwz4

Automatic Recognition of Facial Displays of Unfelt Emotions [article]

Kaustubh Kulkarni, Ciprian Adrian Corneanu, Ikechukwu Ofodile, Sergio Escalera, Xavier Baro, Sylwia Hyniewska, Juri Allik, Gholamreza Anbarjafari
2018 arXiv   pre-print
For this purpose, we propose a method that aggregates features along fiducial trajectories in a deeply learnt space.  ...  First we detect facial geometries in a form of a fixed set of fiducial points in the whole video sequence in a per-frame fashion.  ...  This frontalization method estimates a projection matrix between a set of detected points on the input face and a reference face.  ... 
arXiv:1707.04061v2 fatcat:u4iqlkn5xzavdgdecy5qo5crvy

XBadges. Identifying and training soft skills with commercial video games [article]

Sergio Alloza, Flavio Escribano, Sergi Delgado, Ciprian Corneanu, Sergio Escalera
2017 arXiv   pre-print
XBadges is a research project based on the hypothesis that commercial video games (nonserious games) can train soft skills.  ...  Frustration is also shown as a key element. With the results obtained we are able to glimpse multiple applications in areas which need soft skills development.  ...  As a result, a deep learning model was trained, able to recognize face textures representative of the presence of a particular emotion.  ... 
arXiv:1707.00863v1 fatcat:y7acp5mfvfdrvd6vmc5tmssnbi

Eastern Orthodox Churches and Oriental Orthodox Churches in Dialogue: Reception, Disagreement and Convergence

Ciprian Iulian Toroczkai
2016 Review of Ecumenical Studies Sibiu  
A brief history of the official bilateral meetings between the representatives of these two Christian traditions is sketched in the first part of the paper.  ...  Românii ortodocși între optimism, dezinformare și apostazie, Sfântul Munte Athos 2008. 28 See: Ciprian Iulian Toroczkai, "Toward an Expanded Formula of the Chalcedonian Dogmatic Definition? Fr.  ...  , p. 44. 26 Nicolae Corneanu, Pe baricadele presei bisericești vol. 1, Timișoara, 2000, p. 567. Ibidem, p. 11. 32 Ibidem, p. 11. 33 Ibidem, p. 11. Ibidem, p. 11-12. 35 Ibidem, p. 13.  ... 
doi:10.1515/ress-2016-0020 fatcat:wwr74jmzibbztici33i6sn2usu
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