Publications
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Collaborative extensions for the UpLib system
Describes the metadata sharing and extension sharing systems used with UpLib.
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Modeling NERFs for Speaker Recognition
We introduce a new type of feature to capture long-range patterns associated with individual speakers or with speaking styles. NERFs, or Nonuniform Extraction Region Features, are defined based on regions…
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Visual Odometry
We present a system that estimates the motion of a stereo head or a single moving camera based on video input.
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National Early Intervention Longitudinal Study (NEILS): Expenditure Study
This study used the “ingredients” approach or Resource Cost Model (RCM) to analyze early intervention expenditures. The RCM represents a bottom-up methodology for organizing and analyzing resource allocation data.
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Teacher Professional Development, Technology, And Communities Of Practice: Are We Putting The Cart Before The Horse?
In this paper, we seek guideposts to help education technologists understand the nature of local K-12 education communities of practice specifically their reciprocal relationship with teacher professional development and instructional…
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Stereo-Based Vision System for Automotive Imminent Collision Detection
In this paper, we demonstrate that stereo vision is a promising solution to this problem. Our prototype system has been rigorously tested for different colliding scenarios (e.g., different intersection angles…
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The Use of a Linguistically Motivated Language Model in Conversational Speech Recognition
In this paper we show that such a model can be used effectively and efficiently in all stages of a complex, multi-pass conversational telephone speech recognition system.
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Demonstrating Boolean Logic Using Simple Electrical Circuits
To provide a more direct and tangible connection of logic with a real-world application, I developed this enrichment activity.
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Investigation of Moisture-Assisted Fracture in SiO2 Films Using a Channel Cracking Technique
The technique of channel cracking was developed to study moisture-assisted crack growth in SiO2 films.
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Cross-dialectal Acoustic Data Sharing for Arabic Speech Recognition
In this paper we describe the use of acoustic data from Modern Standard Arabic (MSA) to improve the recognition of Egyptian Conversational Arabic (ECA).
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Evaluation Of Bias Correction Methods For ‘Worst-Case’ Selective Non-Participation In NAEP
Although NAEP has not been given an official confirmatory role under NCLB, one can expect greater scrutiny of the relationship between state scores and state NAEP scores in the coming…
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TRAPping Conversational Speech: Extending TRAP/Tandem Approaches to Conversational Telephone Speech Recognition
In this paper we report experiments with a reduced conversational speech task that led to the adoption of a number of engineering decisions for the design of an acoustic front…