We investigate methods to infer the best affine transformation based face recognition algorithm;which operates by projecting given images to a low-dimensional space, followed by distance computations. This category in...
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We present results of the largest experimental investigation of ear biometrics to date. Approaches considered include a PCA ("eigen-ear") approach with 2D intensity images, achieving 63.8% rank-one recogniti...
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A theory for photometric calibration of cameras and multiple projectors with overlapping displays is presented. The theory is predominantly based on the analysis of isointensity curves in projector input state space -...
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Subject covariate data were collected on 1, 072 pairs of FERET images for analysis in a human face verification experiment. The subject data included information about facial hair, bangs, eyes, gender, and age. The ve...
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This paper describes a combined tracking-classification framework for the unsupervised classification of human action. While most existing approaches assume that feature-wise correspondences on people are either avail...
Awareness of what surrounds a vehicle directly affects the safe driving and maneuvering of an automobile. Surround information or maps can help in ethnographic studies of driver behavior as well as provide a critical ...
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An image enhancement algorithm based on illuminance-reflectance model is proposed for improving the visual quality of digital images captured under insufficient and/or non-uniform lighting conditions. The paper presen...
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Identifying a small number of useful features for learning from images requires processing large amounts of data and may be very time consuming. The standard approach is to compute many features from training data and...
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The face is an easily collectible and non-intrusive biometric used for the authentication and identification of individuals. 2D face recognition techniques are sensitive to changes in illumination, makeup and pose. We...
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Our world is populated with visual information that a sighted person makes use of daily. Unfortunately, the visually impaired are deprived from such information, which limits their mobility in unconstrained environmen...
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