| 1. |
- Bakker, D. C. E., et al.
(författare)
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An update to the surface ocean CO2 atlas (SOCAT version 2)
- 2014
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Ingår i: Earth System Science Data. - : Copernicus GmbH. - 1866-3508 .- 1866-3516. ; 6:1, s. 69-90
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Tidskriftsartikel (refereegranskat)abstract
- The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO2 (fugacity of carbon dioxide) products for the surface oceans. Version 2 of SOCAT is an update of the previous release (version 1) with more data (increased from 6.3 million to 10.1 million surface water fCO 2 values) and extended data coverage (from 1968-2007 to 1968-2011). The quality control criteria, while identical in both versions, have been applied more strictly in version 2 than in version 1. The SOCAT website (http://www.socat.info/) has links to quality control comments, metadata, individual data set files, and synthesis and gridded data products. Interactive online tools allow visitors to explore the richness of the data. Applications of SOCAT include process studies, quantification of the ocean carbon sink and its spatial, seasonal, year-to-year and longerterm variation, as well as initialisation or validation of ocean carbon models and coupled climate-carbon models. © Author(s) 2014. CC Attribution 3.0 License.
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| 2. |
- Bimbot, F, et al.
(författare)
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An overwiev of the CAVE project research activities in speaker verification
- 2000
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Ingår i: Speech Communication. - 0167-6393 .- 1872-7182. ; 31:2-3, s. 155-180
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Tidskriftsartikel (refereegranskat)abstract
- This article presents an overview of the research activities carried out in the European CAVE project, which focused on text-dependent speaker verification on the telephone network using whole word Hidden Markov Models. It documents in detail various aspects of the technology and the methodology used within the project. In particular, it addresses the issue of model estimation in the context of limited enrollment data and the problem of a posteriori decision threshold setting. Experiments are carried out on the realistic telephone speech database SESP. State-of-the-art performance levels are obtained, which validates the technical approaches developed and assessed during the project as well as the working infrastructure which facilitated cooperation between the partners.
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| 3. |
- Pierrot, J-B, et al.
(författare)
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A comparison of a priori threshold setting procedures for speaker verification in the CAVE project
- 1998
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Konferensbidrag (refereegranskat)abstract
- The issue of a priori threshold setting in speaker verification is a key problem for field applications. In the context of the CAVE project, we compared several methods for estimating speaker-independent and speaker-dependent decision thresholds. Relevant parameters are estimated from development data only, i.e. without resorting to additional client data. The various approaches are tested on the Dutch SESP database.
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| 4. |
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| 5. |
- Jaboulet, C., et al.
(författare)
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The CAVE-WP4 generic speaker verification system
- 1998
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Ingår i: RLA2C 1998 - Speaker Recognition and its Commercial and Forensic Applications. - : International Speech Communication Association. ; , s. 202-205
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Konferensbidrag (refereegranskat)abstract
- This papers describes the generic speaker verification system that was developed within Work Package 4, which was responsible for Research and Technology improvements for Speaker Verification in the CAVE project. With this perspective, different SV algorithms were implemented in a common HMM framework and compared on several databases. This paper is concerned with the design of this generic system and not with the experiments we performed using the system. It shows the importance of having a common and generic package for cooperative research. We intend to make the Generic System available to the research community.
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