Publications
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Improved Phonetic Speaker Recognition Using Lattice Decoding
In this paper, we present results on the Switchboard-2 corpus, where we compare 1-best phone decodings versus lattice phone decodings for the purposes of performing phonetic speaker recognition.
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Structural Metadata Research in the EARS Program
In this paper we provide a brief overview of research on structural metadata extraction in the DARPA EARS rich transcription program. Tasks include detection of sentence boundaries, filler words, and…
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Reference-Free Objective Quality Metrics for MPEG-Coded Video
In this paper, we propose a reference-free video quality metric for MPEG coded videos. It predicts subjective quality ratings using both reference-free MPEG artifact measures and MPEG system parameters (known…
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Teaching To The Test? A Comparison Of Two High Schools’ Responses To Mandated Testing
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SRI’s 2004 NIST Speaker Recognition Evaluation System
This paper describes our recent efforts in exploring longer-range features and their statistical modeling techniques for speaker recognition. In particular, we describe a system that uses discriminant features from cepstral…
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Participatory, Example-Based Data Modeling In Padi (Padi Technical Report 4)
We describe a Web-based tool for modeling that creates and manipulates a simple data model without representing it in UML, while promoting collaboration and the use of examples to compare…
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Ontology-based discourse understanding for a persistent meeting assistant
In this paper, we present research toward ontology-based understanding of discourse in meetings and describe an ontology of multimodal discourse designed for this purpose.
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Think Globally, Act Locally: An Analysis Of Community Participation Discourse In Education For All National Action Plans
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The Independent Evaluation of the Science Teachers Initiative (CASCITI): Year 1 Report
This evaluation describes the CSP’s work since from 2001-02 to 2003-04 and assesses whether it met its goals under CASCITI. This chapter first outlines the CSP’s background to enable the…
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An Introduction to Padi Task Templates (Padi Technical Report 3)
Principled Assessment Designs for Inquiry (PADI) is a project supported by the National Science Foundation to improve the assessment of inquiry in science learning.
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Style consistent classification of isogenous patterns
In many applications of pattern recognition, patterns appear together in groups (fields) that have a common origin.
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Jason Academy Summative Program Evaluation Final Report
SRI conducted an evaluation study of JASON Academy courses to ascertain whether they are effective in increasing teachers’ content knowledge on topics that they must teach and that are part…