Compression measures used in inductive learners, such as measures based on the MDL (Minimum Description Length) principle, provide a theoretically justiied basis for grading candidate hypotheses. Compression-based induction is appropriate also for handling of noisy data. This paper shows that a simple compression measure can be used to detect noisy examples. A technique is proposed in which noi...

Human identification at a distance by analysis of gait patterns extracted from video has recently become very popular research in biometrics. This paper presents multi-projections based approach to extract gait patterns for human recognition. Binarized silhouette of a motion object is represented by 1-D signals which are the basic image features called the distance vectors. The distance vectors...

It is a classical result of linear prediction theory that as long as the minimum prediction error variance is nonzero, the transfer function of the optimum linear prediction error filter for a stationary process is minimum phase, and therefore, its inverse is exponentially stable. Here, extensions of this result to the case of nonstationary processes are investigated. In that context, the filte...

Recursive inverse filtering with non-stationary filters is becoming a useful tool in a range of applications, from multi-dimensional inverse problems to wave extrapolation. I formulate causal non-stationary convolution and combination and their adjoints in such a way that it is apparent that the corresponding non-stationary recursive filters are true inverse processes. Stationary recursive inve...

Evaluation of a spatial join typically has two steps: a filter step that applies the join on approximations of spatial objects and a refinement step that determines the actual intersection of two spatial objects. In this paper, we study the effectiveness of filters with different approximations including minimum bounding rectangles, rectilinear approximations, minimum 5-corner bounding convex p...

Heatwole, Craig M. PhD., Purdue University, May 1997. Robust Feedback Control of Flow Induced Structural Radiation of Sound. Major Professors: Dr. Robert J.Bernhard and Dr. Matthew A. Franchek, School of Mechanical Engineering. A significant component of the interior noise of aircraft and automobiles is a result of turbulent boundary layer excitation of the vehicular structure. In this work, ac...