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This paper describes application of information granulation theory, on the analysis of "lugeon data". In this manner, using a combining of Self Organizing Map (SOM) and Neuro-Fuzzy Inference System (NFIS), crisp and fuzzy granules are…

Neural and Evolutionary Computing · Computer Science 2008-04-03 M. Sharifzadeh , H. Owladeghaffari , K. Shahriar , E. Bakhtavar

In this paper, we describe some applications of Self Organizing feature map Neuro-Fuzzy Inference System (SONFIS) and Self Organizing feature map Rough Set (SORST) in analysis of permeability at a dam site and lost circulation in the…

Geophysics · Physics 2009-05-11 Hamed Owladeghaffari , Hadi Shakeri , Mostafa Sharifzadeh

This paper describes application of rough set theory, on the analysis of hydrocyclone operation. In this manner, using Self Organizing Map (SOM) as preprocessing step, best crisp granules of data are obtained. Then, using a combining of SOM…

Artificial Intelligence · Computer Science 2008-04-04 H. Owladeghaffari , M. Ejtemaei , M. Irannajad

This paper describes application of information granulation theory, on the design of rock engineering flowcharts. Firstly, an overall flowchart, based on information granulation theory has been highlighted. Information granulation theory,…

Artificial Intelligence · Computer Science 2014-07-29 H. Owladeghaffari

This paper describes application of information granulation theory, on the analysis of hydrocyclone perforamance. In this manner, using a combining of Self Organizing Map (SOM) and Neuro-Fuzzy Inference System (NFIS), crisp and fuzzy…

Artificial Intelligence · Computer Science 2008-05-19 Hamed Owladeghaffari , Majid Ejtemaei , Mehdi Irannajad

Approximately more than 90% of all coal production in Iranian underground mines is derived directly longwall mining method. Out of seam dilution is one of the essential problems in these mines. Therefore the dilution can impose the…

Artificial Intelligence · Computer Science 2008-05-12 H. Owladeghaffari , K. Shahriar , G. H. R. Saeedi

The high accuracy on inferrring of rocks properties, such as permeability ($k$), is a very useful study in the analysis of wells. This has led to development and use of empirical equations like Tixier, Timur, among others. In order to…

Geophysics · Physics 2014-09-05 Nuri Hurtado , Raamses Díaz , Julio Torres

In recent years, convolutional neural networks (CNNs) have experienced an increasing interest in their ability to perform a fast approximation of effective hydrodynamic parameters in porous media research and applications. This paper…

Machine Learning · Computer Science 2022-04-14 Stephan Gärttner , Faruk O. Alpak , Andreas Meier , Nadja Ray , Florian Frank

This study describes application of some approximate reasoning methods to analysis of hydrocyclone performance. In this manner, using a combining of Self Organizing Map (SOM), Neuro-Fuzzy Inference System (NFIS)-SONFIS- and Rough Set Theory…

Artificial Intelligence · Computer Science 2009-08-04 H. O. Ghaffari , M. Ejtemaei , M. Irannajad

This paper describes application of information granulation theory, on the back analysis of Jeffrey mine southeast wall Quebec. In this manner, using a combining of Self Organizing Map (SOM) and rough set theory (RST), crisp and rough…

Artificial Intelligence · Computer Science 2009-09-15 H. Owladeghaffari , H. Aghababaei

This field case study aims to address the challenge of accurately predicting petrophysical properties in heterogeneous reservoir formations, which can significantly impact reservoir performance predictions. The study employed three machine…

Geophysics · Physics 2023-05-15 Fethi Ali Cheddad

This paper reports application of neuro- fuzzy inference system (NFIS) and self organizing feature map neural networks (SOM) on detection of contact state in a block system. In this manner, on a simple system, the evolution of contact…

Neural and Evolutionary Computing · Computer Science 2008-05-09 H. Owladeghaffari

Obtaining reliable permeability maps of oil reservoirs is crucial for building a robust and accurate reservoir simulation model and, therefore, designing effective recovery strategies. This problem, however, remains challenging, as it…

The aims of our research are to evaluate the prediction performance of the proposed neuro-fuzzy model with System Evaluation and Estimation of Resource Software Estimation Model (SEER-SEM) in software estimation practices and to apply the…

Software Engineering · Computer Science 2015-07-27 Wei Lin Du , Danny Ho , Luiz Fernando Capretz

Software effort estimation is a critical part of software engineering. Although many techniques and algorithmic models have been developed and implemented by practitioners, accurate software effort prediction is still a challenging…

Software Engineering · Computer Science 2015-08-04 Wei Lin Du , Danny Ho , Luiz Fernando Capretz

Deep learning models, despite their popularity, face challenges such as long training times and a lack of interpretability. In contrast, fuzzy inference systems offer a balance of accuracy and transparency. This paper addresses the…

Artificial Intelligence · Computer Science 2025-06-27 Kaike Sa Teles Rocha Alves , Eduardo Pestana de Aguiar

The work proposes the application of fuzzy set theory (FST) to diagnose the condition of high voltage bushings. The diagnosis uses dissolved gas analysis (DGA) data from bushings based on IEC60599 and IEEE C57-104 criteria for oil…

Artificial Intelligence · Computer Science 2007-05-23 Sizwe M. Dhlamini , Tshilidzi Marwala , Thokozani Majozi

An important constraint of Fuzzy Inference Systems (FIS) is their structured rules defined based on evaluating all input variables. Indeed, the length of all fuzzy rules and the number of input variables are equal. However, in many…

Artificial Intelligence · Computer Science 2024-02-26 Armin Salimi-Badr

In this paper, we illustrate the modeling of a reservoir property (sand fraction) from seismic attributes namely seismic impedance, seismic amplitude, and instantaneous frequency using Neuro-Fuzzy (NF) approach. Input dataset includes 3D…

Computational Engineering, Finance, and Science · Computer Science 2015-10-06 Akhilesh K Verma , Soumi Chaki , Aurobinda Routray , William K Mohanty , Mamata Jenamani

How do we infer a 3D scene from a single image in the presence of corruptions like rain, snow or fog? Straightforward domain randomization relies on knowing the family of corruptions ahead of time. Here, we propose a Bayesian…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Tuan Anh Le , Pavel Sountsov , Matthew D. Hoffman , Ben Lee , Brian Patton , Rif A. Saurous
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