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School of Behavioral and Brain Sciences - The University of Texas at Dallas

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School of Behavioral and Brain Sciences

Research Projects

 

ImagePerception and Memory for Human Faces

The human face is one of the most important visual stimuli we encounter in our daily lives. A face can tell us who someone is, how that person feels, and what intent they may have at the moment we see them. Face perception has been a focus of our research for many years. In particular, we have been interested in how the human visual system represents the complex identity and social information in faces.

 

Face Recognition Comparisons Between Humans and MachinesFace Recognition Comparisons Between Humans and Machines

Our research comparing face recognition by humans and machines has been carried out in collaboration with researchers at National Institute of Standards and Technology (NIST). Over the past decade, we have published human benchmarks for the performance of state-of-the-art machine-based face recognition systems.

 

Functional Neuroimaging of High Level Visual Processing of Human FacesFunctional Neuroimaging of High Level Visual Processing of Human Faces and People

Functional neuroimaging techniques, including fMRI, have made it possible to “observe” the activity of the human brain as a person engages in a task. Our work focuses on expanding the types of tools used to analyze fMRI data on face perception, using pattern classification algorithms. We have used these tools to study how the brain codes faces, bodies, and people in motion and at rest. We have also looked at the coding of person familiarity in naturalistic viewing conditions.

 

Perceptual Relationships Between Body Shape and LanguagePerceptual Relationships Between Body Shape and Language

The human body can be described in many ways, but simple combinations of words can elicit vivid mental images of complete body shapes. The “stout, portly gentleman”, “the lean, lanky athlete”, and the “shapely hour-glass lady” are all easy to imagine. We have explored the relationship between word based descriptions and full scale 3D body models, in collaboration with researchers at the Max Planck Institute for Intelligent Systems.

 

Analyzing Face Recognition AlgorithmsAnalyzing Face Recognition Algorithms

We are collaborating with a team of researchers from The University of Maryland in the development and analysis of state-of-the-art face recognition algorithms. These algorithms must operate well in unconstrained viewing environments that allow for variable imaging conditions (e.g., lighting, pose, age, viewing angle, and image quality).

 

Behavioral and Neural Correlates of Person RecognitionBehavioral and Neural Correlates of Person Recognition

How do we recognize people we know? Successful recognition can be achieved using identity information from faces, bodies, and from the natural “biological motions” of a person. We study how people make use of this diverse information to recognize someone. Behaviorally, we examine the spatiotemporal course of recognition over variable distances.

 

Understanding the Performance of Forensic Facial Identification ExpertsUnderstanding the Performance of Forensic Facial Identification Experts

In this project, we are testing the ability of professional forensic facial examiners in face identification tasks and comparing their accuracy to untrained human participants and computer algorithms.

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