Multi-layer context tree (MCT) modeling has been recently applied for lossless compression of multi-layer map images and showed its efficiency. Though it is not applicable directly to compression of gray-scale images, it could be utilized together with bit-plane separation technique. In this work we evaluated the performance of MCT modeling according to three bit-plane separation methods and co...

Human hair has three main regions, the medulla, the cortex, and the cuticle. An existing model for the cortex suggests that the α-keratin- based intermediate filaments (IFs) align with the hair's axis, but are orientationally disordered in-plane. We found that there is a new region in the cortex near the cuticle's boundary in which the IFs are aligned with the hair's axis, but additionally, the...

The convergence of IP and optical network through the GMPLS common control plane motivates a new paradigm of integrated network management, in which multiple network layers cooperate to make the most use of available network resources. We illustrate how this new management paradigm makes possible intelligent survivable networks. We propose four components necessary to achieve differentiated end...

A technique for the real time reduction of the astrometric position of a moving object detected against a background of reference stars has been developed for satellite and asteroid measurements. The technique has been implemented for the Lincoln Near Earth Asteroid Research (LINEAR) system and is currently being adapted for the space surveillance application and installed in the Moron Optical ...

A pose estimation technique is presented to determine coarse registration parameters between two 3D models of an object. The models are reconstructed by merging multi-view range images of two different poses of the object, which is arbitrarily placed on a turntable. The result of pose estimation will facilitate registration refinement and integration of two 3D models. Registration refinement of...

The multi-chamber reactive silencers are widely used to reduce engine exhaust noise as well as blower intake and discharge noise. Davis et al. [1] developed a one-dimensional analytical approach, which assumes plane wave propagation in the axial direction in silencers, to predict the acoustic attenuation performance of double expansion chamber reactive silencers, and compared the predictions wi...

In this paper we propose a multi-objective mathematical model to aid the marketing team of a company in customer service marketing. Customer reflects to the services provided by a company, and the reflections affect the profit of the company. Thus, the services can be evaluated by the customers to imply the company's performances. First, the services are purified based on the opinions of th...

In this paper, the multi-step differential transform method (MDTM), one of the most effective method, is implemented to compute an approximate solution of the system of nonlinear differential equations governing the problem. It has been attempted to show the reliability and performance of the MDTM in comparison with the numerical method (fourth-order Runge–Kutta) and other analytical methods su...

the present article discusses and presents a new and comprehensive approachaimed at measuring the maturity and quality of software processes. this method has beendesigned on the basis of the software capability maturity model (sw-cmm) and themulti-level fuzzy inference model and is used as a measurement and analysis tool. among themost important characteristics of this method one can mention si...

in this paper, we show that inverse data envelopment analysis (dea) models can be used to estimate output with fuzzy data for a decision making unit (dmu) when some or all inputs are increased and deficiency level of the unit remains unchanged.