نتایج جستجو برای: fuzzy smoothing filter

تعداد نتایج: 230027  

2009
Toly Chen

Optimized fuzzy-neuro system is proposed to improve performance of scheduling jobs in a wafer fabrication factory (WFF). Fluctuation smoothing rules are normalized. Remaining cycle time of a job is accurately estimated by applying selforganization map with fuzzy back propagation network (SOM-FBPN). Division operator is applied instead of traditional subtraction operator to enhance responsivenes...

2013
Ya Qin Yi Liu

The aim of this paper is further to develop the filter theory on residuated lattices. The concept of interval valued intuitionistic (T, S)-fuzzy filters on residuated lattices is introduced by linking the intuitionistic fuzzy set, t-norm, s-norm and filter theory of residuated lattices; The properties and equivalent characterizations of Interval valued intuitionistic (T, S)-fuzzy filters are in...

Journal: :iranian journal of nuclear medicine 2007
elham raeisi hossein rajabi mahmoud reza aghamiri ebrahim hajizadeh shahram seifollahi-asl

introduction: filtering can greatly affect the quality of clinical images. determining the best filter and the proper degree of smoothing can help to ensure the most accurate diagnosis. methods: forty five patient’s data aquired during brain phantom spect studies were reconstructed using filtered back-projection technique. the ramp, shepp-logan, cosine, hamming, hanning, butterworth, metz and w...

Journal: :journal of advances in computer research 0
marzieh azarian department of computer engineering and information technology, science and research branch, islamic azad university, khouzestan-iran reza javidan department of computer engineering and it, shiraz university of technology, shiraz, iran mashallah abbasi dezfuli department of computer engineering and information technology, science and research branch, islamic azad university, khouzestan-iran

texture image analysis is one of the most important working realms of image processing in medical sciences and industry. up to present, different approaches have been proposed for segmentation of texture images. in this paper, we offered unsupervised texture image segmentation based on markov random field (mrf) model. first, we used gabor filter with different parameters’ (frequency, orientatio...

1992
Chin-Wang Tao Wiley E. Thompson

This paper discusses a target tracking problem in which no dynamic mathematical model is explicitly assumed. A nonlinear filter based on the fuzzy If-then rules is developed. A comparison with a Kalman filter is made, and empirical results show that the performance of the fuzzy filter is better. Intensive simulations suggest that theoretical justification of the empirical results is possible.

Journal: :Inf. Sci. 2006
Francisco Gallego Lupiáñez

The basic concept of intuitionistic fuzzy point has been defined by Çoker and Demirci. Also, Çoker constructed the fundamental theory on intuitionistic fuzzy topological spaces. In this paper, we define the notions of net and filter in the intuitionistic fuzzy sense, and obtain some results on convergence, in particular we establish the correspondence between net convergence and filter converge...

Journal: :IEICE Transactions on Information and Systems 2019

Journal: :The Journal of the Marine Acoustics Society of Japan 1996

Journal: :Applied sciences 2023

Image de-noising is an important scheme that makes image visually prominent and obtains enough useful information to produce a clear image. Many applications have been developed for effective noise suppression good quality. This study assumed residual consisted of with edges produced by subtracting the original low-pass-filter-smoothed The Moran statistics were then used measure variation in sp...

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