Phase based methods for extracting binocular dispar ity are discussed including phase di erence methods and phase correlation A third method is also described that combines some of their properties and appears consistent with recent physiological data

In this paper, we present a new way of viewing Xia's construction of Hadamard diierence sets. Based on this new point of view, we give a character theoretic proof for Xia's construction. Also we point out a connection between the construction and projective three-weight codes.

We have calculated analytical expressions for how the bias and variance of the estimators provided by various temporal di erence value estimation algorithms change with o ine updates over trials in absorbing Markov chains using lookup table representations. We illustrate classes of learning curve behavior in various chains, and show the manner in which TD is sensitive to the choice of its steps...

In pattern set mining we are after a small set of patterns that together are characteristic for the data at hand. In this paper we consider the problem of characterizing not one, but a set of sequence databases, such as a collection of articles or the chapters of a book. Our main objective is to find a set of patterns that captures the individual features of each database, while also finding sh...

The amplitude computation requires an accurate approximation for the traveltime gradient and Laplacian. Since it is hard to compute the traveltimes with a secondor higher-order accuracy in realistic media, the di erence approximations of the traveltime derivatives may not be suitable for accurate amplitudes unless special cares are taken. This article is concerned with a concurrent simulation o...

A graph G is stable if its normalized chromatic difference sequence is equal to the normalized chromatic di erence sequence of G G, the Cartesian product of G with itself. Let be the independence number of G and ! be its clique number. Suppose that G has n vertices. We show that the rst ! terms of the normalized chromatic di erence sequence of a stable graph G must be =n; and further that if G ...

By expressing the conditional causal risk di¤erence as a sum of products of stratum speci…c risk di¤erences and conditional probabilities, it is possible to give a classi…cation of the types of causal relationships that can give rise to e¤ect modi…cation on the risk di¤erence scale. Directed acyclic graphs make clear the necessary causal relationships for a particular variable to serve as an e¤...

In this paper, two possible switched capacitor implementations of companding lters are discussed. The governing di erence equations, an estimate of the increase in the dynamic range for a given power consumption and possible topologies are given.

"In this article, we give su cient conditions for the existence, uniqueness and Ulam{Hyers stability of solutions a coupled system two-point nabla fractional di erence boundary value problems subject to anti-periodic conditions, using vector approach Precup [4, 14, 19, 21]. Some examples are included illustrate theory."

For two slanted matrices there is shown the close connection between their spectral properties and the zeros of their corresponding symbols The results are applied to two scale di erence equations Subject Classi cation A B