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Author |
Jun Wan; Guodong Guo; Sergio Escalera; Hugo Jair Escalante; Stan Z Li |
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Title |
Face Anti-spoofing Progress Driven by Academic Challenges |
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2023 |
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Advances in Face Presentation Attack Detection |
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1–15 |
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With the ubiquity of facial authentication systems and the prevalence of security cameras around the world, the impact that facial presentation attack techniques may have is huge. However, research progress in this field has been slowed by a number of factors, including the lack of appropriate and realistic datasets, ethical and privacy issues that prevent the recording and distribution of facial images, the little attention that the community has given to potential ethnic biases among others. This chapter provides an overview of contributions derived from the organization of academic challenges in the context of face anti-spoofing detection. Specifically, we discuss the limitations of benchmarks and summarize our efforts in trying to boost research by the community via the participation in academic challenges |
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HUPBA |
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Admin @ si @ WGE2023c |
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3957 |
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Author |
Beata Megyesi; Alicia Fornes; Nils Kopal; Benedek Lang |
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Title |
Historical Cryptology |
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2024 |
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Learning and Experiencing Cryptography with CrypTool and SageMath |
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Historical cryptology studies (original) encrypted manuscripts, often handwritten sources, produced in our history. These historical sources can be found in archives, often hidden without any indexing and therefore hard to locate. Once found they need to be digitized and turned into a machine-readable text format before they can be deciphered with computational methods. The focus of historical cryptology is not primarily the development of sophisticated algorithms for decipherment, but rather the entire process of analysis of the encrypted source from collection and digitization to transcription and decryption. The process also includes the interpretation and contextualization of the message set in its historical context. There are many challenges on the way, such as mistakes made by the scribe, errors made by the transcriber, damaged pages, handwriting styles that are difficult to interpret, historical languages from various time periods, and hidden underlying language of the message. Ciphertexts vary greatly in terms of their code system and symbol sets used with more or less distinguishable symbols. Ciphertexts can be embedded in clearly written text, or shorter or longer sequences of cleartext can be embedded in the ciphertext. The ciphers used mostly in historical times are substitutions (simple, homophonic, or polyphonic), with or without nomenclatures, encoded as digits or symbol sequences, with or without spaces. So the circumstances are different from those in modern cryptography which focuses on methods (algorithms) and their strengths and assumes that the algorithm is applied correctly. For both historical and modern cryptology, attack vectors outside the algorithm are applied like implementation flaws and side-channel attacks. In this chapter, we give an introduction to the field of historical cryptology and present an overview of how researchers today process historical encrypted sources. |
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Admin @ si @ MFK2024 |
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4020 |
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Miquel Ferrer; F. Serratosa; Ernest Valveny |
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On the Relation Between the Median Graph and the Maximum Common Subgraph of a Set of Graphs |
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2007 |
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Alicante (Spain) |
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DAG @ dag @ FSV2007 |
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790 |
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Jordi Vitria; Petia Radeva; I. Aguilo |
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Title |
Recent Advances in Artificial Intelligence Research and Development |
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2004 |
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Frontiers in Artificial Intelligence and Applications, 113, J. Vitria, P. Radeva, I. Aguilo (Eds.), ISBN: 1–58603–466–9 |
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Amsterdam |
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OR;MILAB;MV |
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BCNPCL @ bcnpcl @ VRA2004 |
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509 |
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Agata Lapedriza; Jordi Vitria |
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Experimental Study of the Usefulness of External Face Features for Face Classification |
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2005 |
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Artificial Intelligence Research and Development, IOS Press, 99–106 |
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Amsterdam |
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OR;MV |
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BCNPCL @ bcnpcl @ LaV2005 |
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610 |
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Bogdan Raducanu; Jordi Vitria |
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Real-Time Face Tracking for Context-Aware Computing |
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2005 |
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Artificial Intelligence Research and Development, IOS Press, 91–98 |
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Amsterdam |
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OR;MV |
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BCNPCL @ bcnpcl @ RaV2005b |
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616 |
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Maria Alberich-Carramiñana; Guillem Alenya; Juan Andrade; E. Martinez; Carme Torras |
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Affine Epipolar Direction from Two Views of a Planar Contour |
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2006 |
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Proceedings of the Advanced Concepts for Intelligent Vision Systems Conference, LNCS 4179: 944–955 |
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Antwerp (Belgium) |
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Admin @ si @ AAA2006 |
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661 |
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Author |
Fadi Dornaika; Angel Sappa |
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Title |
Rigid and Non-Rigid Face Motion Tracking by Aligning Texture Maps and Stereo-Based 3D Models |
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2006 |
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8th International Conference on Advanced Concepts for Intelligent Vision Systems (ACIVS´06), LNCS 4179: 675–684 |
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Antwerp (Belgium) |
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ADAS |
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ADAS @ adas @ DoS2006c |
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689 |
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Author |
David Aldavert; Ricardo Toledo |
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Stereo Vision Local Map Alignment for Robot Environment Mapping |
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2008 |
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Robot Vision Second International Workshop, RobVis |
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4931 |
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111–124 |
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Auckland (New Zealand) |
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ADAS |
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Admin @ si @ AlT2008 |
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1100 |
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Carles Sanchez;F. Javier Sanchez; Antoni Rosell; Debora Gil |
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An illumination model of the trachea appearance in videobronchoscopy images |
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2012 |
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Image Analysis and Recognition |
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7325 |
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313-320 |
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Bronchoscopy, tracheal ring, stenosis assesment, trachea appearance model, segmentation |
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Videobronchoscopy is a medical imaging technique that allows interactive navigation inside the respiratory pathways. This imaging modality provides realistic images and allows non-invasive minimal intervention procedures. Tracheal procedures are routinary interventions that require assessment of the percentage of obstructed pathway for injury (stenosis) detection. Visual assessment in videobronchoscopic sequences requires high expertise of trachea anatomy and is prone to human error.
This paper introduces an automatic method for the estimation of steneosed trachea percentage reduction in videobronchoscopic images. We look for tracheal rings , whose deformation determines the degree of obstruction. For ring extraction , we present a ring detector based on an illumination and appearance model. This model allows us to parametrise the ring detection. Finally, we can infer optimal estimation parameters for any video resolution. |
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Aveiro, Portugal |
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Springer Berlin Heidelberg |
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Lecture Notes in Computer Science |
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0302-9743 |
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978-3-642-31297-7 |
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800 |
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ICIAR |
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MV;IAM |
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IAM @ iam @ SSR2012 |
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1898 |
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Author |
Quan-sen Sun; Zhong Jin; Pheng-ann Heng; De-shen Xia |
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A novel feature fusion method based on partial least squares regression |
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2005 |
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Pattern Recognition and Data Mining, Lecture Notes in Computer Science, 3686: 268–277 |
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Bath (United Kingdom) |
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Admin @ si @ SJH2005 |
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626 |
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Author |
Mikhail Mozerov |
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Title |
An Effective Stereo Matching Algorithm with Optimal Path Cost Aggregation |
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2006 |
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28th Annual Symposium of the German Association for Pattern Recognition, LNCS 4174: 617–626 |
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Berlin (Germany) |
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ISE @ ise @ Moz2006 |
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677 |
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Mikhail Mozerov; Ignasi Rius; Xavier Roca; Jordi Gonzalez |
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3D Human Motion Sequences Synchronization Using Dense Matching Algorithm |
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2006 |
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28th Annual Symposium of the German Association for Pattern Recognition, LNCS 4174: 485–494, ISBN 978–3–540–44412–1 |
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Berlin (Germany) |
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ISE @ ise @ MRR2006 |
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678 |
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Dani Rowe; I. Reid; Jordi Gonzalez; Juan J. Villanueva |
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Unconstrained Multiple-People Tracking |
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2006 |
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28th Annual Symposium of the German Association for Pattern Recognition, LNCS 4174: 505–514, ISBN 978–3–540–44412–1 |
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Berlin (Germany) |
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ISE @ ise @ RRG2006 |
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769 |
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Sergio Escalera; Oriol Pujol; Petia Radeva |
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Decoding of Ternary Error Correcting Output Codes |
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2006 |
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11th Iberoamerican Congress on Pattern Recognition (CIARP´06), LNCS 4225: 753–763 |
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Cancun (Mexico) |
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MILAB;HuPBA |
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BCNPCL @ bcnpcl @ EPR2006e |
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696 |
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