Publications
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Collaborative and argumentative models of natural discussions
We report in this paper experiences and insights resulting from the first two years of work in two similar projects on meeting tracking and understanding. The projects are the DARPA-funded…
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Identifying and Segmenting Human-Motion for Mobile Robot Navigation using alignment errors
This paper presents a new human-motion identification and segmentation algorithm from moving cameras. The algorithm is based on alignment error between pairs of moving object images. Pairs of object images…
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Evidence-Centered Assessment Design: Layers, Structures, and Terminology (Padi Technical Report 9)
This presentation provides an overview of ECD, highlighting the ideas of layers in the process, structures and representations within layers, and terms and concepts that can be used to guide…
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Vehicle Fingerprinting for Reacquisition and Tracking in Videos
We address the problem of vehicle matching when multiple observations of a vehicle are separated in time such that frames of observations are not contiguous, thus prohibiting the use of…
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Using Conditional Random Fields for Sentence Boundary Detection in Speech
In this paper, we evaluate the use of a conditional random field (CRF) for this task and relate results with this model to our prior work. We evaluate across two…
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A Portable Process Language
In this paper, we report on a process language, PPL, that we have designed to serve as a bridge between a representation designed for execution and a representation designed for…
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Stereo-Based Object Detection, Classification, and Quantitative Evaluation with Automotive Applications
A real-time stereo-based pre-crash object detection and classification system is presented. The system employs a model based stereo object detection algorithm to find candidate objects from the scene, followed by…
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Mixed-Initiative Issues for a Personalized Time Management Assistant
This paper explores the mixed-initiative issues arising in the Personalized Time Manager (PTIME) system. PTIME is a persistent assistant that builds on our previous work on a personalized calendar agent.
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Towards a Practical Stereo Vision Sensor
This paper describes an experimental framework for determining these limits using image processing algorithms, operating on graphically synthesized imagery, with performance envelope validation on real stereo image data.
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Unsupervised Learning of Discriminative Edge Measures for Vehicle Matching Between Non-Overlapping Cameras
This paper proposes a method for matching road vehicles between two non-overlapping cameras. The matching problem is formulated as a same-different classification problem: probability of two observations from two distinct…
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An Example-Based Exploration Of Design Patterns In Measurement (Padi Technical Report 8)
This paper extends the work conducted by the Principled Assessment Designs for Inquiry (PADI) project to investigate more deeply the application of assessment design patterns.
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Do Parents’ Academic Gender Stereotypes Influence Whether They Intrude On Their Children’S Homework?
In this study, we explored the possibility that when parents endorse particular academic gender stereotypes (e.g., boys are better at math, girls are better at English) they are more likely…