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Papers
TL;DR: This chapter deals with the theoretical problem of studying all Markovian models corresponding to a given stochastic process, and the related constructing proofs also lead to the design of efficient algorithms.
Abstract: Publisher Summary The progress of mathematical methods for signal processing and the simultaneous progress of digital data processing hardware have generated new interest in Markovian models, which have been known for a long time. Although many papers have appeared on filtering, detection, or control using such models, very little attention has been given to (1) the study of the properties of such models, (2) the set of all models that can represent a given stochastic process, and (3) the design of efficient algorithms to compute such models. This chapter deals with the theoretical problem of studying all Markovian models corresponding to a given stochastic process. The study given in the chapter appears to have interest from a practical point of view by sorting out peculiar Markovian models, such as the statistical filter of the process. This study and the related constructing proofs also lead to the design of efficient algorithms.
188 citations
TL;DR: A low cost, high reliability accelerometer microsystem designed for crash sensing in automotive airbag electronic control units is presented in this article, where the sensitive part is a surface micromachined capacitive interdigitated structure realized from a SIMOX SOI substrate.
Abstract: A low cost, high reliability accelerometer microsystem designed for crash sensing in automotive airbag electronic control units is presented. The proposed microsystem offers high level output, on-line self-test function, small size (3.5 mm × 3.5 mm × 1.15 mm), and high design flexibility thanks to a two-chip construction. The sensitive part is a surface micromachined capacitive interdigitated structure realized from a SIMOX SOI substrate. The accelerometer operates in a closed loop mode using electrostatic feedback with conditioning circuitry realized in a 2 μm CMOS process. A high performance readout circuit using switched capacitors has been developed. Behavioural simulation results show a bandwidth of 630 Hz at ±50 g with 5 V power supply. The fabrication process includes the realization of a free-standing seismic mass by means of reactive ion etching and sacrificial oxide etching, the mechanical protection of the sensing element with a thin silicon cap bonded onto the structured SOI wafer, and eventually the electrical connection with the ASIC by flip-chip bonding. Preliminary results are very encouraging: dynamic actuation of the sensing elements is optically tested, with a yield of 70% at a prototype level. Excellent shock resistance and low internal stress are observed.
160 citations
TL;DR: In this paper, the authors used two-dimensional iterative min-sum decoding for iris biometric data matching and showed that it leads to results near the theoretical limits, and they used this technique on the Iris Challenge Evaluation (ICE) database.
Abstract: Fuzzy sketches, introduced as a link between biometry and cryptography, are a way of handling biometric data matching as an error correction issue. We focus here on iris biometrics and look for the best error-correcting code in that respect. We show that two-dimensional iterative min-sum decoding leads to results near the theoretical limits. In particular, we experiment our techniques on the Iris Challenge Evaluation (ICE) database and validate our findings.
128 citations
12 Dec 2007
TL;DR: It is shown that two-dimensional iterative min-sum decoding leads to results near the theoretical limits in fuzzy sketches, and the best error-correcting code is looked for in that respect.
Abstract: Fuzzy sketches, introduced as a link between biometry and cryptography, are a way of handling biometric data matching as an error correction issue. We focus here on iris biometrics and look for the best error-correcting code in that respect. We show that two-dimensional iterative min-sum decoding leads to results near the theoretical limits. In particular, we experiment our techniques on the iris challenge evaluation (ICE) database and validate our findings.
127 citations
Patent•
15 Oct 2001TL;DR: A mobile telecommunications terminal including interface means suitable for communicating information to a user, the terminal being characterized in that it includes at least one sensor suitable for measuring a meteorological parameter, the interface means including means enabling the user to access information as a function of said measurement as mentioned in this paper.
Abstract: A mobile telecommunications terminal including interface means suitable for communicating information to a user, the terminal being characterized in that it includes at least one sensor ( 4, 5 ) suitable for measuring a meteorological parameter, the interface means including means ( 6 ) enabling the user to access information as a function of said measurement
124 citations
Authors
Showing all 1785 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Sylvain Girard | 36 | 362 | 5000 |
| Olivier Pietquin | 35 | 228 | 6279 |
| Hervé Chabanne | 31 | 274 | 3686 |
| Silvere Bonnabel | 30 | 152 | 3927 |
| Julien Bringer | 30 | 191 | 3035 |
| Victor Ostromoukhov | 27 | 83 | 2539 |
| Isabelle Rivals | 27 | 95 | 3356 |
| Laurent Viennot | 26 | 116 | 6852 |
| Philippe Delaye | 21 | 122 | 1363 |
| Axel Barrau | 14 | 57 | 1026 |
| Dirk Fischer | 13 | 55 | 460 |
| Thomas Icart | 13 | 54 | 783 |
| Emmanuelle Dottax | 12 | 58 | 763 |
| Bruno Kindarji | 11 | 21 | 584 |
| Ghaleb Hoblos | 11 | 78 | 692 |
Related Institutes (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2025 | 3 |
| 2024 | 8 |
| 2023 | 4 |
| 2020 | 3 |
| 2018 | 3 |
| 2017 | 6 |