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Academic literature on the topic 'Empreintes digitales – Identification'
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Journal articles on the topic "Empreintes digitales – Identification"
Grose, Irene C. "Fingerprint Identification: Potential Sources of Error and the Cause of Wrongful Convictions." Journal of Student Science and Technology 10, no. 1 (August 19, 2017). http://dx.doi.org/10.13034/jsst.v10i1.171.
Full textDissertations / Theses on the topic "Empreintes digitales – Identification"
Vitale, David. "Automatisation de l'identification d'individus en utilisant des procédés biométriques : les empreintes digitales." Saint-Etienne, 2002. http://www.theses.fr/2002STET4007.
Full textThe aim is to conceive new processes for automatic people identification through the fingerprints. These researches cover the study of all the data processing chain of an AFIS. The fingerprints capture with the developpement of a new sensor based on the reconstruction of a rolled image, with the help of a video sequence. The singular points extration (cores and deltas) by the integration of Gabor wavelets in a two levels gaussian pyramid, and fingerprint pavement through a triangular grid and under-grid. This phase is completed by the determination of the morphological summary. The extraction and the characterization of the minutiae with the enhancement, segmentation and skeletonization of images. The minutiae matching based on a local mapping and the Delaunay triangulation, in order to reduce the skin flexibility constraints
Clerc, Sabine Amador del Valle Gilles. "Etude comparative des empreintes labiales et digitales chez les jumeaux monozygotes." [S.l.] : [s.n.], 2009. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=54996.
Full textPark, Sang-Woo. "Identité et identification des individus : photographie, empreinte, numérisation." Paris, EHESS, 2008. http://www.theses.fr/2008EHES0135.
Full textThe present study is an inquiry about the method for identification of individuals in a semiological approach. Its purpose is the study of the methods insofar as they use representation systems based on signs. For identification, the criminalist translates a physical identity into iconic, verbal or numerical signs. It is by taking the very same way back that the criminalist will later on attempt to trace back to the identity that is the source of these signs. What is at stake in the process of identification is always this to and fro movement between the identity and its signs on which identification is grounded. This stake is very characteristics of the nature of a forensic science. This is a science of information and a science of signs. This study is an attempt to define and compare precisely these three image systems -criminal photo, fingerprints and DNA fingerprints -as to their respective value for identification. Photography is of a central use, and deserves a special study as such. These so multiple and essential roles played by photography in the identification process show how fundamental an inquiry on the subject may prove for the history of photography
Lamare, François. "OCT en phase pour la reconnaissance biométrique par empreintes digitales et sa sécurisation." Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0003.
Full textIn an increasingly open world, the flows of people are brought to explode in the coming years. Facilitating, streamlining, and managing these flows, by maintaining strict security constraints, therefore represent a key element for the global socio-economic dynamism. This flows management is mainly based on knowledge and verification of person identity. For its practicality and a priori secured, biometrics, in particular fingerprints biometrics, has become an effective and unavoidable solution.Nevertheless, it still suffers from two severe limitations. The first one concerns the poor performances obtained with damaged fingers. This damage can be involuntary (e.g. manual workers) or volunteers, for purposes of anonymity. The second limitation consists in the vulnerability of the commonly used sensors. In particular, they are vulnerable to copies of stolen fingerprints, made by malicious persons for identity theft purpose. We believe that these limitations are due to the small amount of information brought by the usual biometric sensors. It often consists in a single print of the finger surface. However, the biological complexity of human tissue provides rich information, unique to each person, and very difficult to reproduce. We therefore proposed an imaging approach based on Optical Coherence Tomography (OCT), a 3D contactless optical sensor, to finely measure this information. The main idea of the thesis is therefore to explore novel ways to exploit this information in order to make biometrics more robust and truly secured. In particular, we have proposed and evaluated different fingerprint imaging methods, based on the phase of the OCT signal
Falade, Joannes Chiderlos. "Identification rapide d'empreintes digitales, robuste à la dissimulation d'identité." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMC231.
Full textBiometrics are increasingly used for identification purposes due to the close relationship between the person and their identifier (such as fingerprint). We focus this thesis on the issue of identifying individuals from their fingerprints. The fingerprint is a biometric data widely used for its efficiency, simplicity and low cost of acquisition. The fingerprint comparison algorithms are mature and it is possible to obtain in less than 500 ms a similarity score between a reference template (enrolled on an electronic passport or database) and an acquired template. However, it becomes very important to check the identity of an individual against an entire population in a very short time (a few seconds). This is an important issue due to the size of the biometric database (containing a set of individuals of the order of a country). Thus, the first part of the subject of this thesis concerns the identification of individuals using fingerprints. Our topic focuses on the identification with N being at the scale of a million and representing the population of a country for example. Then, we use classification and indexing methods to structure the biometric database and speed up the identification process. We have implemented four identification methods selected from the state of the art. A comparative study and improvements were proposed on these methods. We also proposed a new fingerprint indexing solution to perform the identification task which improves existing results. A second aspect of this thesis concerns security. A person may want to conceal their identity and therefore do everything possible to defeat the identification. With this in mind, an individual may provide a poor quality fingerprint (fingerprint portion, low contrast by lightly pressing the sensor...) or provide an altered fingerprint (impression intentionally damaged, removal of the impression with acid, scarification...). It is therefore in the second part of this thesis to detect dead fingers and spoof fingers (silicone, 3D fingerprint, latent fingerprint) used by malicious people to attack the system. In general, these methods use machine learning techniques and deep learning. Secondly, we proposed a new presentation attack detection solution based on the use of statistical descriptors on the fingerprint. Thirdly, we have also build three presentation attacks detection workflow for fake fingerprint using deep learning. Among these three deep solutions implemented, two come from the state of the art; then the third an improvement that we propose. Our solutions are tested on the LivDet competition databases for presentation attack detection
Lamare, François. "OCT en phase pour la reconnaissance biométrique par empreintes digitales et sa sécurisation." Thesis, Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0003/document.
Full textIn an increasingly open world, the flows of people are brought to explode in the coming years. Facilitating, streamlining, and managing these flows, by maintaining strict security constraints, therefore represent a key element for the global socio-economic dynamism. This flows management is mainly based on knowledge and verification of person identity. For its practicality and a priori secured, biometrics, in particular fingerprints biometrics, has become an effective and unavoidable solution.Nevertheless, it still suffers from two severe limitations. The first one concerns the poor performances obtained with damaged fingers. This damage can be involuntary (e.g. manual workers) or volunteers, for purposes of anonymity. The second limitation consists in the vulnerability of the commonly used sensors. In particular, they are vulnerable to copies of stolen fingerprints, made by malicious persons for identity theft purpose. We believe that these limitations are due to the small amount of information brought by the usual biometric sensors. It often consists in a single print of the finger surface. However, the biological complexity of human tissue provides rich information, unique to each person, and very difficult to reproduce. We therefore proposed an imaging approach based on Optical Coherence Tomography (OCT), a 3D contactless optical sensor, to finely measure this information. The main idea of the thesis is therefore to explore novel ways to exploit this information in order to make biometrics more robust and truly secured. In particular, we have proposed and evaluated different fingerprint imaging methods, based on the phase of the OCT signal
Bernard, Sylvain. "Indexation et recherche dans de grandes bases d'empreintes digitales." Versailles-St Quentin en Yvelines, 2001. http://www.theses.fr/2001VERS0034.
Full textOur aim is to develop an Automated Fingerprint identification system (AFIS) for fingerprint image retrieval in Very Large Databases. We view an AFIS as a Content based image retrieval system on specific databases. As a consequence, a large domain-specific prior knowledge is incorporated into the algorithms. Indeed, our system is based on the matching of minutiae points which are the terminaisons and bifurcations of the ridge lines that constitute a fingerprint image. The efficiency of minutiae detection depends on how well the idges and valleys are extracted. The complexity of existing segmentation algorithms is often too high and quality/speed tradeoff is necessary. In our present work, we propose a fast Gabor wavelet filter bank that avoids such a tradeoff. Moreover, our multiscale approach is original and provides noise elimination whilst preserving singularities that characterize minutiae. Minutiae matching is the ultimate step used to demonstrate whether two fingerprints originate from the same finger or not. The algorithm has to be robust to rigid and not-rigid deformations, noise and occlusions. We propose a method based on a generalized Hough transform and a similarity metric that takes the geometric relationships between minutiae into account. An international benchmark proves the efficiency and robustness of the proposed method. Since minutiae matching is time consuming, matching a fingerprint with the entire database would be computationally intensive. We matching is time consuming, matching a fingerprint with the entire database would be computationally intensive. We match the query fingerprint with a subset of the database obtained by a classification step. We have developed a neural-network based classifier that organizes fingerprints from information about their global shape. The algorithm has been extensively tested on our databases providing a fast and efficient pruning
Sauvêtre, Alexandra. "Nouvelle méthode de révélation de traces papillaires par brumisation d'une solution fluorescente." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS406.
Full textThe thesis work aims at addressing a particular need of the police and establishing whether it was possible to visualise fingerprints or not by using a revelation process which is able to cover large surfaces. For reaching this goal, we studied in this work a new strategy: the spray deposition of a specifically designed fluorescent dye. The doctoral project consisted first in some preliminary work which aims at creating artificial and reproducible fingerprints. Those fingerprints will be used to compare revealed fingerprints with each other, in order to assess the effectiveness of the new method. The spectroscopic properties of the fluorophore used in this specific material have been studied, so as to have a better understanding of the mechanism taking places during revelation process. We also analysed the means of revelation itself, the spray and its functioning. Indeed, the drops produced by the spray have a fundamental impact on the quality of the fingerprints revealed. The spray and the drops produced have been studied by imaging techniques in order to better understand and try to optimize the revelation process by a substitution of solvent. Lastly, the method proposed has been considered from a technique angle, so as to meet operational challenges of the police on the crime scenes
Books on the topic "Empreintes digitales – Identification"
Christophe, Champod, ed. Fingerprints and other ridge skin impressions. Boca Raton: CRC Press, 2004.
Find full textPiuri, Vincenzo, Fabio Scotti, and Ruggero Donida Labati. Touchless Fingerprint Biometrics. Taylor & Francis Group, 2015.
Find full textPiuri, Vincenzo, Fabio Scotti, and Ruggero Donida Labati. Touchless Fingerprint Biometrics. Taylor & Francis Group, 2015.
Find full textTouchless Fingerprint Biometrics. Taylor & Francis Group, 2015.
Find full textPiuri, Vincenzo, Fabio Scotti, and Ruggero Donida Labati. Touchless Fingerprint Biometrics. Taylor & Francis Group, 2015.
Find full textPiuri, Vincenzo, Fabio Scotti, and Ruggero Donida Labati. Touchless Fingerprint Biometrics. Taylor & Francis Group, 2015.
Find full textChampod, Christophe, Chris J. Lennard, Pierre Margot, and Milutin Stoilovic. Fingerprints and Other Ridge Skin Impressions. Taylor & Francis Group, 2017.
Find full textChampod, Christophe, Chris J. Lennard, Pierre Margot, and Milutin Stoilovic. Fingerprints and Other Ridge Skin Impressions. Taylor & Francis Group, 2017.
Find full textFingerprints and Other Ridge Skin Impressions. Taylor & Francis Group, 2016.
Find full textChampod, Christophe, Pierre Margot, Milutin Stoilovic, and Chris Lennard. Fingerprints and Other Ridge Skin Impressions. Taylor & Francis Group, 2021.
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