ITTC Project


CISE Research Instrumentation Ambiguity Resolution for Intelligent Systems Using a Cognitive Robot

Project Award Date: 03-31-1999



Description

The Department of Electrical Engineering and Computer Science (EECS), the Department of Psychology, and the Department of Speech Language and Hearing (SLH) will purchase equipment which will be dedicated to support research in computer and information science and engineering in the interdisciplinary area of Cognitive Robotics. The equipment will be used in four research projects studying the resolution of ambiguity in human and robotic systems. These projects include Research on Ambiguity Resolution in Spoken Natural Language Understanding, being carried out in the Sentence Processing Laboratory of SLH; Research on Ambiguity Resolution in Context Driven Active Robot Vision, being carried out in the Computer and Robot Vision Laboratory of EECS; Research on Ambiguity Resolution within the Memory System, being carried out in the Cognitive Science laboratory of the Psychology Department; and Research on Ambiguity Resolution in Robot Reasoning and Actuation, being carried out in the Artificial Intelligence and Robotics Laboratories of EECS. The goal of this instrumentation project is to integrate these four projects together through the use a Cognitive Robotic device which would allow ambiguity resolution in each of these research areas to be enhanced by the ambiguity resolution capabilities of the other areas.

The Four Projects:

Research on Ambiguity Resolution in Spoken Natural Language Understanding
Dr. Shari Speer
Sentence Processing Laboratory, Department of Speech, Language, and Hearing

Natural language understanding is a complex activity that requires ambiguity resolution at numerous levels, from phoneme identification to interpretation of intonational phrasing, and from the resolution of ambiguous word meaning to the interpretation of the pragmatic context. Although many ambiguities may be resolved by the language processing system, others can only be resolved by using information from the visual, haptic, conceptual memory, or reasoning systems. The proposed research uses a Cognitive Robot to explore the representation and integration of information from these multiple sources to resolve temporary syntactic ambiguity, with primary focus on the coordination of intonational and non-linguistic information.

Research on Ambiguity Resolution in Context Driven Active Robot Vision
Dr. John Gauch
Computer and Robot Vision Laboratory, Department of Electrical Engineering and Computer Science

The interpretation of visual information is a complex activity that requires the resolution of ambiguity at many levels, from the interpretation of lines to the construction of plausible three dimensional object models. Although some visual ambiguities can be resolved by passive means of interpreting the original pixels, others can only be resolved with information obtained by integrating the visual system with other systems. The proposed research uses a Cognitive Robot to explore the resolution of visual ambiguity using knowledge about perspectives of likely objects integrated with robot planning and actuation to provide an active vision system for obtaining information from other visual perspectives.

Research on Ambiguity Resolution within the Memory System
Dr. Tom Schreiber
Cognitive Science Laboratory, Department of Psychology

Ambiguity in human (and robotic) memory stems largely from the fact that any particular set of retrieval cues potentially can result in the retrieval of several different relevant memories. Since retrieving the right memory is crucial to providing the right context for language understanding and visual perception, it is important to study ambiguity resolution within the memory retrieval system with respect to the sensory cues available. This research explores the resolution of memory retrieval ambiguity using inferences from the rich array of sensory cues produced by the Cognitive Robot's sensory devices and interpretation and reasoning software.

Research on Ambiguity Resolution in Robot Reasoning and Actuation
Dr. Frank Brown and Dr. Arvin Agah

Artificial Intelligence and Robotics Laboratories, Department of Electrical Engineering and Computer Science
Ambiguity in reasoning and actuation lies in the interface between the real world and our imperfect understanding of it. Being imperfect our understanding of the real world leaves us with ambiguous possibilities both in reasoning about our planned actions and in the perceived consequences of carrying out our actions. For this reason we need to continually compare our predictions with our perceptions developing new rules to account for the discrepancies. This proposed research explores the resolution of ambiguity in reasoning and actuation using a Cognitive Robot to provide a sensory rich environment situated in the real world.


Investigators

Faculty Investigator(s): Arvin Agah, John Gauch, Chris Brown (PI)

Student Investigator(s): Benjamin Shockley, Lance Feagan


Project Sponsors


Primary Sponsor(s): National Science Foundation


Partner with ITTC

The Information and Telecommunication Technology Center at the University of Kansas has developed several assistance policies that enhance interactions between the Center and local, Kansas, or national companies. 

ITTC assistance includes initial free consulting (normally one to five hours). If additional support is needed, ITTC will offer one of the following approaches: 

Sponsored Research Agreement

Individuals and organizations can enter into agreements with KUCR/ITTC and provide funds for sponsored research to be performed at ITTC with the assistance of faculty, staff and students.

Licensing and Royalty/Equity Agreement

An ITTC goal is the development of investment-grade technologies for transfer to, and marketing by, local, Kansas, and national businesses. To enhance this process, the Center has developed flexible policies that allow for licensing, royalty, and equity arrangements to meet both the needs of ITTC and the company.

Commercialization Development

Companies with a technology need that can be satisfied with ITTC's resources can look to us for assistance. We can develop a relationship with interested partners that will provide for the development of a technology suited for commercialization.

ITTC Resource Access

ITTC resources, including computers and software systems, may be made available to Kansas companies in accordance with the Center's mission and applicable Regents and University policies.

ITTC Calendar
There are no upcoming events at this time.