نتایج جستجو برای: hybrid criterion
تعداد نتایج: 266416 فیلتر نتایج به سال:
Feature selection is a search problem for an \optimal" subset of features. The class separability is normally used as one of the basic feature selection criteria. Instead of maximizing the class separability as in the literature, this work adopts a criterion aiming to maintain the discriminating power of the data. After examining the pros and cons of two existing algorithms for feature selectio...
An important aspect of pHRI (physical Human Robot Interaction) is to assure the safety of the human participant in the interaction. One of the approaches to assure safety is to plan the paths executed by the robot based on a certain safety criterion. This acts as a constraint for decision making of intelligent systems. This paper introduces the FaultTolerant Distance as a novel safety criterion...
solvable by means of a simple hybrid control law, i.e., it is possible to achieve global exponential stability of the zero equilibrium in the presence of (small) perturbations vanishing at the origin. The control law retains the basic properties of the discontinuous control laws proposed in [1], namely exponential convergence rate and lack of oscillatory behavior. The results presented in this ...
We present a Modular Neural Network (MNN) for phoneme recognition within the framework of a hybrid system (neural networks and HMMs) for speakerindependent single word recognition. With this approach, we are taking the computational effort into account which is used as an additional criterion for assessing the system performance. The main idea of the proposed MNN is the distribution of the comp...
The effective maintenance scheduling of power system generators is very important for the economical and reliable operation of a power system. his represents a tough scheduling problem which continues to present a challenge for efficient optimization solution techniques. This paper resents the application of metaheuristic approaches, such as a genetic algorithm (GA), simulated annealing (SA) an...
Application of the holographic interferometry and speckle photography in the primary stability determination of a mandible undergoing the bilateral sagittal split osteotomy (BSSO) is described. Measurements were carried out on Synbone models of human mandibles representing three different techniques of stabilisation. The maximum value criterion of the cut edge displacement components was used f...
Heterosis has been utilized widely in the breeding of maize and other crops, and plays an important role in increasing yield, improving quality and enhancing stresses resistance, but the molecular mechanism responsible for heterosis is far from clear. To illustrate whether miRNA-dependent gene regulation is responsible for heterosis during maize germination, a deep-sequencing technique was appl...
A hybrid split and merge segmentation method for color images is presented in this work. It combines edge and region information to merge adjacent regions produced in the initial watershed-based segmentation stage. A novel technique is introduced to simplify the Region Adjacency Graph (RAG) structure and speed-up the merging process along with a merging termination criterion for automatic segme...
In this paper, we derive the Bayesian Cramér-Rao lower bound for three dimensional hybrid localization using time-of-arrival (ToA) and direction-of-arrival (DoA) types of measurements. Unlike previous works, we include the practical constraint that the anchor position is not known exactly but rather up to some error. The resulting bound can be used for error analysis of such a localization syst...
The concept of high-order motion compensation is introduced. It is argued that in hybrid video coding, motion-compensated prediction has to be viewed as a source coding problem with a delity criterion. Based on our considerations, various high-order motion compensation approaches are presented that achieve signi-cantly improved video coding results. The designed motion-compensated predictors ac...
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