In this paper, we present a very accurate algorithm for computing optical flow with nonuniform brightness variations. The proposed algorithm is based on a generalized dynamic image model (GDIM) in conjunction with a regularization framework to cope with the problem of non-uniform brightness variations. To alleviate flow constraint errors due to image aliasing and noise, we employ a reweighted l...

This paper introduces six ways for handling a chain of lexicographic ordering constraint between the origins of identical orthotopes (e.g., rectangles, boxes, hyper-rectangles) subject to the fact that they should not pairwise overlap. While the first two ways deal with the integration of a chain of lexicographic ordering constraint within a generic geometric constraint kernel, the four latter ...

– Square or rectangular subimage area centered at (x, y) (Figure 3.1) ∗ Typically, the neighborhood is much smaller than the image – Center moves over each pixel in the image – T is applied at each point to get g at that location ∗ Compute the average intensity of the neighborhood – Also possible to have neighborhood approximations in the form of a circle – The above application is also called ...

The advent of real-time multimedia services over the Internet has stimulated new technologies for expanding the information carrying capacity of optical network backbones. Multilayer wavelength division multiplexing (WDM) packet switching is an emerging technology for increasing the bandwidth of optical networks. Two algorithms for the routing of the multimedia traffic flows were applied: (i) C...

Optical flow estimation can be formulated as two regression stages, derivative estimation and optical flow constraints (OFC) solving. Traditional approaches use LeastSquares at both stages and are sensitive to assumption violations. To improve estimation accuracy especially near motion boundaries, we use a Least Trimmed Squares (LTS) estimator to solve the OFC, obtaining a confidence measure fo...

Results of recent experimental measurements of the effect of passive boundary layer flow control method using Large-Eddy Break-Up devices on aero-optical distortions caused by turbulent subsonic boundary layers at a range of trans-sonic speeds are presented. Measurements were performed using a Malley probe to collect instantaneous onedimensional wavefronts with high resolution. Detailed statist...

extended abstractintroductiontoday is the world of information and its optimal uses (davies, 2003). information, doubtless, as the most important tools for managers and executive decision-makerscan play a significant role in solving the problems and meeting the needs (warnest, 2005). spatial data are discussed as one of the most sensitive and important factors in decision-making and planning in...