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Fusion approach for matchfingerprint matchinginging for improved system accuracy

International Journal of Computer Science Issues 2011年第2期8卷 583-589页

作者： Saquib, Zia Soni, Santosh Kumar Varunkrishnan, T.K. Singh, Anamika Arora, Sukhdeep Singh Center for Development of Advanced Computing Mumbai Maharashtra 400049 India

In automated fingerprint identification systems, an efficient and accurate alignment algorithm in the preprocessing stage plays a crucial role in the performance of the whole system, affecting greatly the speed and accuracy otherwise. This paper proposes a fusion scheme (weighted sum) for aligning the enrolled and query images using modified ring model and cross correlation approaches. Both the methods align the pair of fingerprint images based on the single singular point (as a reference point). Matching is then performed using Euclidean distance based matcher. This model is tested on both publicly available (Cross Match Verifier 300 sensor) as well as proprietary (Lumidigm Venus V100 OEM Module sensor) fingerprint databases scanned at 500 dpi. The experiments show that this fusion approach improves the overall system accuracy: FNMR and FMR significantly dropped to 3.23% & 2.67% respectively for Cross Match Dataset and 0% & 1.33% respectively for Lumidigm Dataset. Hence, the combination of these two alignment methods effectively strengthens the performance of the matcher.

关键词： Alignment

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A cascaded fingerprint quality assessment scheme for improved system accuracy

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International Journal of Computer Science Issues 2011年第2期8卷 449-455页

作者： Saquib, Zia Soni, Santosh Kumar Suhasaria, Sweta Mokal, Pratibha Center for Development of Advanced Computing Mumbai Maharashtra 400049 India

Poor-quality images mostly result in spurious or missing features, which further degrade the overall performance of fingerprint recognition systems. This paper proposes a reconfigurable scheme of quality checks at two different levels: i) at raw image level and ii) at feature level. At first level, ellipse properties are calculated through analysis of statistical attributes of the captured raw image. At second level, the singularity points (core & delta) are identified and extracted (if any). These information, as quality measures, are used in a cascaded manner to block/pass the image. This model is tested on both publicly available (Cross Match Verifier 300 sensor) as well as proprietary (Lumidigm Venus V100 OEM Module sensor) fingerprint databases scanned at 500 dpi. The experimental results show that this cascaded arrangement of quality barricades could correctly block poor quality images and hence elevated the overall system accuracy: with quality checks, both FNMR and FMR significantly dropped to 9.52% & 0.26% respectively for Cross Match Dataset and 2.17% & 2.16% respectively for Lumidigm Dataset.

关键词： Image quality

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A fault-tolerant approach for detection of singular points in noisy fingerprint images

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International Journal of Computer Science Issues 2011年第2期8卷 577-582页

作者： Saquib, Zia Soni, Santosh Kumar Suhasaria, Sweta Parekh, Dimple Vig, Rekha Center for Development of Advanced Computing Mumbai Maharashtra 400049 India Mumbai Maharashtra 400056 India

Singular point detection is one of the most crucial processes in fingerprint recognition systems. Singular points are used for fingerprint classification, matching and alignment. This paper presents a method for reliable detection of singular points, which is largely insensitive to the degradation of fingerprint quality. The approach involves two phases, wherein, first phase detects the singular points, which operates on the quadrant change information. The second phase involves the analysis and extraction of the locations having high probability of the existence of singular points. The second phase uses orientation reliability measure of the filtered fingerprint image. The spurious singular points are detected, and thereby eliminated. This model is tested on selected noisy images from a publicly available (Cross Match Verifier 300 sensor) fingerprint database scanned at 500 dpi. The experimental results show that the approach effectively eliminates the spurious singular points in the noisy images.

关键词： Palmprint recognition

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Enhancing face matching in a suitable binary environment

Enhancing face matching in a suitable binary environment

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International Conference on Image Information Processing

作者： Apurba Das Kuntal Ghosh Advanced Image Processing Laboratory Centre for Development of Advanced Computing Kolkata India Machine Intelligence Unit and Center for Soft Computing Research Indian Statistical Institute Kolkata Kolkata India

Computerized human face recognition is a complex task of deformable pattern recognition. The principal source of complexities lies in the significant inter-class overlapping of faces due to the variations caused by different poses, illuminations, and expressions (PIE). The popularly used computerized face recognition algorithms like PCA, EBGM etc. are fairly reliable to determine facial attributes from an image. But, in most of the cases the features are extracted in terms of gray textures. When the database size is tuned to millions, then huge processing time is required, as each of the pixel must be represented using at least eight bits. In the present paper, our objective is to minimize the processing time by reducing the number of bits to represent each pixel. This we have done by combining two methods. The first one is a neuro-visually inspired method of figure-ground segregation (NFGS) which can convert the entire face image into a binary 2D array, efficiently. The second one is the scale invariant feature transform (SIFT) which extracts the scale invariant and rotation invariant features from the binarized face image and thereafter matches the features. The proposed algorithm is found successful in actually enhancing the performance of face matching. Psycho-visual experiments also corroborate the fact.

关键词： Face Face recognition Analysis of variance Information processing Databases Algorithm design and analysis Humans

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Erratum to: Measurement of the inclusive jet cross-section in proton-proton collisions at s = 7 TeV using 4.5 fb −1 of data with the ATLAS detector

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Journal of High Energy Physics 2015年第9期2015卷 1-39页

作者： G. Aad B. Abbott J. Abdallah S. Abdel Khalek O. Abdinov R. Aben B. Abi M. Abolins O. S. AbouZeid H. Abramowicz H. Abreu R. Abreu Y. Abulaiti B. S. Acharya L. Adamczyk D. L. Adams J. Adelman S. Adomeit T. Adye T. Agatonovic-Jovin J. A. Aguilar-Saavedra M. Agustoni S. P. Ahlen F. Ahmadov G. Aielli H. Akerstedt T. P. A. Åkesson G. Akimoto A. V. Akimov G. L. Alberghi J. Albert S. Albrand M. J. Alconada Verzini M. Aleksa I. N. Aleksandrov C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob G. Alimonti L. Alio J. Alison B. M. M. Allbrooke L. J. Allison P. P. Allport J. Almond A. Aloisio A. Alonso F. Alonso C. Alpigiani A. Altheimer B. Alvarez Gonzalez M. G. Alviggi K. Amako Y. Amaral Coutinho C. Amelung D. Amidei S. P. Amor Dos Santos A. Amorim S. Amoroso N. Amram G. Amundsen C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders G. Anders K. J. Anderson A. Andreazza V. Andrei X. S. Anduaga S. Angelidakis I. Angelozzi P. Anger A. Angerami F. Anghinolfi A. V. Anisenkov N. Anjos A. Annovi A. Antonaki M. Antonelli A. Antonov J. Antos F. Anulli M. Aoki L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai J. P. Araque A. T. H. Arce J-F. Arguin S. Argyropoulos M. Arik A. J. Armbruster O. Arnaez V. Arnal H. Arnold M. Arratia O. Arslan A. Artamonov G. Artoni S. Asai N. Asbah A. Ashkenazi B. Åsman L. Asquith K. Assamagan R. Astalos M. Atkinson N. B. Atlay B. Auerbach K. Augsten M. Aurousseau G. Avolio G. Azuelos Y. Azuma M. A. Baak A. Baas C. Bacci H. Bachacou K. Bachas M. Backes M. Backhaus J. Backus Mayes E. Badescu P. Bagiacchi P. Bagnaia Y. Bai T. Bain J. T. Baines O. K. Baker P. Balek F. Balli E. Banas Sw. Banerjee A. A. E. Bannoura V. Bansal H. S. Bansil L. Barak S. P. Baranov E. L. Barberio D. Barberis M. Barbero T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett Z. Barnovska A. Baroncelli G. Barone A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa R. Bartoldus A. E. Barton P. Bartos V. Bartsch A. Bassalat A. Basye R. L. Bates J. R. Batley M. Battaglia M. Battistin F. Bauer H CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman United States Institute of Physics Academia Sinica Taipei Taiwan LAL Université Paris-Sud and CNRS/IN2P3 Orsay France Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Nikhef National Institute for Subatomic Physics and University of Amsterdam Amsterdam Netherlands Department of Physics Oklahoma State University Stillwater United States Department of Physics and Astronomy Michigan State University East Lansing United States Department of Physics University of Toronto Toronto Canada Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion: Israel Institute of Technology Haifa Israel CERN Geneva Switzerland Department of Physics Stockholm University Stockholm Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London United Kingdom AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Physics Department Brookhaven National Laboratory Upton United States Department of Physics Yale University New Haven United States Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Institute of Physics University of Belgrade Belgrade Serbia Laboratorio de Instrumentacao e Fisica Experimental de Particulas - LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Spain Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland Department of Physics Boston University Boston United States Joint Institute for Nuclear Research JINR Dubna Dubna Russia INFN

It was found that the non-perturbative corrections calculated using Pythia with the Perugia 2011 tune did not include the effect of the underlying event. The affected correction factors were recomputed using the Pythia 6.427 generator. These corrections are applied as baseline to the NLO pQCD calculations and thus the central values of the theoretical predictions have changed by a few percent with the new corrections. This has a minor impact on the agreement between the data and the theoretical predictions. Figures 2 and 6 to 13, and all the tables have been updated with the new values. A few sentences in the discussion in sections 5.2 and 9 were altered or removed.

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Efficient targeted gene disruption in Xenopus embryos using engineered transcription activator-like effector nucleases (TALENs)

Efficient targeted gene disruption in Xenopus embryos using ...

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2012全国发育生物学大会

作者： Yong Lei Hui Zhao Xiaogang Guo Yun Liu Yang Cao Yi Deng Xiongfeng Chen Hon Ki Christopher Cheng Igor B.Dawid Yonglong Chen Shenzhen Research Institute The Chinese University of Hong Kong Shenzhen 518057 P.R.China Key Laboratory of Regenerative Biology Guangzhou Institutes of Biomedicine and HealthChinese Academy of Sciences Guangzhou 510530 P.R.China Department of Biology South University of Science and Technology of China Shenzhen 518055 P.R.China Advanced Biomedical Computing Center National Cancer Institute National Institutes of Health Frederick MD 21702 USA Program in Genomics of Differentiation The Eunice Kennedy Shriver National Institute of Child Health and Human Development National Institutes of Health Bethesda MD 20892 USA School of Biomedical Sciences Faculty of Medicine The Chinese University of Hong Kong Shatin New TerritoriesHong Kong P.R.China School of Biomedical Sciences Faculty of Medicine The Chinese University of Hong Kong Shatin New TerritoriesHong Kong P.R.China

Transcription activator-like effector nucleases (TALENs) are a novel approach for directed gene disruption and have been proved to be effective in various animal *** we report that TALENs can induce somatic mutations in Xenopus embryos with reliably high efficiency and that such mutations are heritable through germline *** modified the Golden Gate method for TALEN assembly to make the product suitable for RNA transcription and microinjection into Xenopus embryos.

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Design of Enterprise Storage Architecture for Optimal Business Continuity

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Journal of Electronic Science and Technology 2010年第3期8卷 206-214页

作者： Rekha Singhal Prasad Pawar Shreya Bokare Rashmi Kale Yogendra Pal Center for Development of Advanced Computing Institute of Technology

This paper presents a solution for optimal business continuity, with storage architecture for enterprise applications, which will ensure zero data loss and quick recovery. The solution makes use of Internet protocol storage area network （IPSAN）, which is used for data management without burdening the application server, as well as mix of synchronous and semi-synchronous replication techniques to replicate data to remote disaster recovery site. We have presented the detailed design of both synchronous and semi-synchronous with case study of using open source database postgres to prove our point for optimal business continuity. The theoretical presentation is also given for the same.

关键词： Business continuity disaster recovery Internet protocol storage area network （IPSAN） semi-synchronous replication synchronous replication.

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Bus paralleling controller with CAN interface for High Power Converter modules

Bus paralleling controller with CAN interface for High Power...

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IEEE International Conference on Sustainable Energy Technologies, ICSET

作者： R. Sudeep Kumar P. Ganesan Gautam Poddar Center of Development of Advanced Computing Center of Development of Advanced Computing Indian Institute of Technology Kharagpur India

This paper presents the development of the Controller and efficient Control algorithms for enabling modularity and bus paralleling of High Power Converters employing high speed Controller Area Network bus (CAN). Presently paralleling of Converters requires common current sensors to sense the load current, which restricts the level of redundancy of the system as well as limits the number of Converter modules which can be put in parallel. The newly developed controller can support “n” number of units since no common current sensors are involved. The Controller uses the fast space vector control with the aid of Digital Signal Processor and the fast CAN bus to meet the specific requirements. The proposed scheme operates one of the converters in the voltage control mode to regulate the load bus voltage and all other converters are operated in the current control mode. This ensures zero circulating current among the converters. The current reference for the current control mode is derived from the voltage controller and passed through CAN bus communication link. The token passing algorithm implemented in the system permits to arbitrarily switch off and switch on the systems, eliminating the master- slave concept. The system shares the active, reactive and harmonic currents equally at load side. Two 10 kVA Converters are built to validate the performance.

关键词： Voltage control Inverters Converters Power harmonic filters Current control Equations Switches

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A deployable architecture of intelligent transportation system - A developing country perspective

A deployable architecture of intelligent transportation syst...

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2010 IEEE International Conference on Computational Intelligence and computing Research, ICCIC 2010

作者： Padmadas, M. Nallaperumal, Krishnan Mualidharan, V. Ravikumar, P. Center for Information Technology and Engg. M.S.University Tirunelveli Tamilnadu India Center for Development of Advanced Computing Trivandrum Kerala India

ISBN: (纸本)9781424459674

Being an indicator of economic growth, the deployment of an Intelligent Transportation System(ITS) became an imperative necessity of a country, whether developed or developing. Emergence of innovative technologies in the areas of Computer Science, ICT and Digital Image Processing paved way to the implementation and the deployment of such a system in a cost effective and economic manner. Introduction of a system with minimal disturbance of the heterogeneous environment with minimum cost and time in R&D and deployment will be an important criteria in the selection of such a system for a developing country. The intelligent Transportation System can be considered to be constituted with multiple layers of integrated innovative technologies. The recent advancements in third and fourth generation wireless data communication as one of the access technologies and the deployment of high-speed secure information highway established with a national level computer backbone network in developing countries made the deployment of such a system in an efficient manner which form the physical layer of ITS. The technological layer of ITS can be formed with IP based Sophisticated intelligent Camera technologies and with the application of intelligent algorithms on advanced digital image processing techniques, which can be implemented in a multi-layer architecture and deployed in multiple stages, which will make the system robust and will be making the environment gradually standardised, without much disturbances. The standardised vehicle licence plate is the raw data of ITS, which may or may not be standardised in developing countries. The introduction of the concept of a repository of non-standardised licence plates left after the application of layered advanced digital image processing algorithms injected in ITS will enable the gradual standardisation of the environment. The advanced application programs and databases implemented in the Open- Source Technology Stream deployed in Open

关键词： Database systems

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Grid based Real Time Collaborative System

Grid based Real Time Collaborative System

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International Conference on Parallel Distributed and Grid computing (PDGC)

作者： R. Manavalan Kishor Gupta Subrata Chattopadhyay Mangala Center for Development of Advanced Computing Bangalore India

This paper mainly highlights the technical challenges addressed while deploying an end user specific real time Geospatial collaborative system on the top of GARUDA Grid. The grid simulation results has been gathered in a automated mode from the computing clusters of the Grid and the results of equal time stamp have been merged by a centralized image processing unit which has been connected to a `Master Visualization Server'. Operations of the master visualization server gets synchronized with many regional remote `Proclient' systems and both together manages the real time collaborative events by disseminating the camera display of master scene as well as supporting the virtual visualization of proclient information between and across the Grid users locations. The system has been made operational as GARUDA Grid Real Time Collaborative System (GG-RT-CS) and same can be implemented on any computational Grid which supports regional scale Geospatial applications.

关键词： Collaboration Real time systems Servers Lead Grid computing Geospatial analysis Floods

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