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Symbolic dynamic filtering for image analysis: theory and experimental validation

Aparna Subbu, Abhishek Srivastav, Asok Ray, Eric Keller
2009 Signal, Image and Video Processing  
Recent literature has reported the theory of symbolic dynamic filtering (SDF) of one-dimensional timeseries data and its various applications for anomaly detection and pattern recognition.  ...  The image analysis algorithm has been experimentally validated on a computer-controlled fatigue test apparatus that is equipped with a traveling optical microscope and ultrasonic flaw detectors.  ...  This paper proposes and experimentally validates a new methodology of image analysis, where the underlying concept is built upon symbolic dynamic filtering (SDF) [5] .  ... 
doi:10.1007/s11760-009-0122-7 fatcat:ax7blmjd7fbflo6ipr6jvox6um

Analytic signal space partitioning and symbolic dynamic filtering for degradation monitoring of electric motors

Subhadeep Chakraborty, Asok Ray, Aparna Subbu, Eric Keller
2009 Signal, Image and Video Processing  
This study presents an application of the recently reported theories of analytic signal space partitioning (ASSP) and symbolic dynamic filtering (SDF) to address degradation monitoring in permanent magnet  ...  An (experimentally validated) mathematical model of generic PMSM is chosen to monitor degradation/fault events on a simulation test bed; and the estimated parameter of health condition is observed to vary  ...  symbolic dynamic filtering Given a representative symbol sequence derived from the real-valued time series, the concept of D-Markov Machine [2, 3] has been adopted for degradation monitoring of the PMSM  ... 
doi:10.1007/s11760-009-0133-4 fatcat:dvi6ykzqcbehbmn64lmowzmbzq

Efficient optimal surface detection: theory, implementation, and experimental validation

Kang Li, Xiaodong Wu, D. Z. Chen, Milan Sonka, J. Michael Fitzpatrick, Milan Sonka
2004 Medical Imaging 2004: Image Processing  
The method is applied to searching for optimal object boundaries with arbitrary smoothness constraints in volumetric medical images.  ...  We further examine our technique in experiments by segmenting the cylindrical surfaces of human airways from pulmonary volumetric CT images, and compare the results to those produced by previous methods  ...  Juerg Tschirren for providing experimental data, algorithm testing environment, and technical support. CT imaging was performed under guidance of Drs. Eric A. Hoffman and Geoffrey McLennan.  ... 
doi:10.1117/12.537048 dblp:conf/miip/LiWCS04 fatcat:szrw7u533zh3battzobn3eg4k4

A calibration method for odometry of mobile robots based on the least-squares technique: theory and experimental validation

G. Antonelli, S. Chiaverini, G. Fusco
2005 IEEE Transactions on robotics  
The proposed technique has been experimentally validated on two different mobile robots and, in one case, compared with other existing approaches; the obtained results confirm the effectiveness of the  ...  For a mobile robot, odometry calibration consists of the identification of a set of kinematic parameters that allow reconstructing the vehicle's absolute position and orientation starting from the wheels  ...  Choubisa of the Indian Institute of Technology, Kanpur, India, for his help in performing the vision-based experiments.  ... 
doi:10.1109/tro.2005.851382 fatcat:hzogruswebey7ctuzz7palk4nu

Symbolic dynamic analysis of surface deformation during fatigue crack initiation

Dheeraj Sharan Singh, Shalabh Gupta, Asok Ray
2010 Measurement science and technology  
To this end, the existing theory of symbolic dynamics-based feature extraction from time-series data is extended to the analysis of two-dimensional surface images.  ...  This method is well suited for calibration of other model-based and experimental tools for damage analysis and prediction in the fatigue crack initiation phase.  ...  Any opinions, findings and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the sponsoring agencies.  ... 
doi:10.1088/0957-0233/21/4/043003 fatcat:uvul4mjktbhjnfzmes6wq4bpqu

Early Detection of Combustion Instability by Neural-Symbolic Analysis on Hi-Speed Video

Soumalya Sarkar, Kin Gwn Lore, Soumik Sarkar
2015 Neural Information Processing Systems  
features using Symbolic Time Series Analysis (STSA).  ...  Extensive experimental data have been collected in a swirlstabilized dump combustor at various operating conditions for validation.  ...  Authors also gratefully acknowledge the support of NVIDIA Corporation with the donation of the GeForce GTX TITAN Black GPU used for this research.  ... 
dblp:conf/nips/SarkarLS15 fatcat:5yn2ggw7w5cxrauxrieiqdyxna

An intelligent character recognizer for Telugu scripts using multiresolution analysis and associative memory

Arun K. Pujari, C. Dhanunjaya Naidu, M. Sreenivasa Rao, B.C. Jinaga
2004 Image and Vision Computing  
It has a Hopfield-based Dynamic Neural Network for the purpose of learning and recognition.  ...  However, though it is normally not suitable for image processing application, the multi-resolution analysis reduces the sizes of the images to make the DNN applicable to the present domain.  ...  Though the experimental results are sufficiently promising, its validity in a practical OCR is not investigated.  ... 
doi:10.1016/j.imavis.2004.03.027 fatcat:nnyhgzhnsjhl5njrjnseu7on3m

1982 Index - IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. PAMI-4

1982 IEEE Transactions on Pattern Analysis and Machine Intelligence  
Image line-pattern analysis Image enhancement model for radar images; smoothing noisy radar images. of image enhanicement based on fuzzy set theory.  ...  Image segmentation; Image shape analysis; Image texture analysis Image registration moving target tracking algorithm performs symbolic image registration and motion analysis between pairs of images from  ... 
doi:10.1109/tpami.1982.4767328 fatcat:22qk4hl7drdafkirhz5ow6l27q

Symbolic Analysis of Sonar Data for Underwater Target Detection

Kushal Mukherjee, Shalabh Gupta, Asok Ray, Shashi Phoha
2011 IEEE Journal of Oceanic Engineering  
The proposed data-driven algorithm, built upon the concepts of symbolic dynamics and automata theory, is used for detection of mines and mine-like objects in the undersea environment.  ...  This paper presents a symbolic pattern analysis method for robust feature extraction from sidescan sonar images that are generated from autonomous underwater vehicles (AUVs).  ...  ACKNOWLEDGMENT The authors would like to thank the Panama City Division of the Naval Surface Warfare Center, Panama City, FL, for providing the data used in this publication.  ... 
doi:10.1109/joe.2011.2122590 fatcat:drugceklinhe3jhds3trfnngp4

Social Life of Knowledge: Epistemological Analysis

Askar G. Khairullin, Bulat A. Khairullin
2017 Tarih Kültür ve Sanat Araştırmaları Dergisi  
The purpose of the article is outlined in stage-by-stage consideration of the procedure for constituting the knowledge truth by social symbolic forms and exploring the contexts for the implantation of  ...  The leading method in constituting truth is clarified through epistemological modeling of the ontogenetic and phylogenetic context of the of symbolic categorical forms formation and is comprehended through  ...  In fact, categorical symbols are in core extralinguistic symbols, they are such "comprehensible" symbols that are valid not for all possible worlds.  ... 
doi:10.7596/taksad.v6i5.1248 fatcat:b3hjmh4zdngbzlnfbobxzwwp74

A Spectral Analysis of Innovation Diffusion

B. Barton, W. Tobler
2010 Geographical Analysis  
Spectral analysis can also be used to investigate dynamic geographical processes without any hypothesis regarding periodicity.  ...  The most serious reservations concern the validity of the assumptions regarding positional invariance and linearity.  ... 
doi:10.1111/j.1538-4632.1971.tb00361.x fatcat:fmjv7ehgifebnputz7hzv4ytiy

Fast and Precise Sanitizer Analysis with BEK

Pieter Hooimeijer, Benjamin Livshits, David Molnar, Prateek Saxena, Margus Veanes
2011 USENIX Security Symposium  
For example, the Internet Explorer crosssite scripting filter turned out to transform some web pages without JavaScript into web pages with valid Java-Script, enabling attacks.  ...  Our analyses use a novel symbolic finite automata representation to leverage fast satisfiability modulo theories (SMT) solvers and are quick in practice, taking fewer than two seconds to check the commutativity  ...  Related Work SANER combines dynamic and static analysis to validate sanitization functions in web applications [9] .  ... 
dblp:conf/uss/HooimeijerLMSV11 fatcat:huglp6gkdrhwxpsrjzytchwbji

Statistical pattern analysis of ultrasonic signals for fatigue damage detection in mechanical structures

Shalabh Gupta, Dheeraj S. Singh, Asok Ray
2008 NDT & E international  
The real-time data-driven method for fatigue damage monitoring is based on the concepts derived from statistical mechanics, symbolic dynamics and statistical pattern identification.  ...  The damage monitoring method has been validated by laboratory experimentation in real time on a computer-controlled fatigue damage testing apparatus which is equipped with a variety of measuring instruments  ...  symbolic dynamic filtering (SDF) [16] .  ... 
doi:10.1016/j.ndteint.2008.06.001 fatcat:6yvzj5cywne4ppqyugn4sqggve

Identification and analysis of instability in non-premixed swirling flames using LES

K. K.J. Ranga Dinesh, K. W. Jenkins, M. P. Kirkpatrick, W. Malalasekera
2009 Combustion theory and modelling  
Line denotes LES data and symbols denote experimental data.  ...  Line denotes LES data and symbols denote experimental data. Figure 9 : 9 Comparison of 2 CO for flame SMH1 (left side) and SMH2 (right side).  ... 
doi:10.1080/13647830903295899 fatcat:lc6fqrcfyvdi7pkvfsnlnescay

Effective approach to spectroscopy and spectral analysis techniques using Matlab

Xiang Li, Yong Lv, Xu Liu, Xi-Cheng Zhang
2017 14th Conference on Education and Training in Optics and Photonics: ETOP 2017  
Spectroscopy and spectral analysis is an elective course for Optoelectronic Information Science and engineering.  ...  The teaching objective of this course is to master the basic concepts and principles of spectroscopy, spectral analysis and testing of basic technical means.  ...  In this course, we'll use Matlab not so much for its abilities with matrices, but for the ease with which it handles and displays visual data (images and graphs).  ... 
doi:10.1117/12.2269655 fatcat:nozshawdijdrjayupidckxmpqq
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