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Feature Enhanced Stacked Auto Encoder for Diseases Detection in Brain MRI

Computers, Materials & Continua 2023年第8期76卷 2551-2570页

作者： Umair Muneer butt Rimsha Arif Sukumar Letchmunan Babur Hayat Malik muhammad adil butt School of Computer Sciences Universiti Sains MalaysiaPenang1180Malaysia Department of Computer Science and IT The University of ChenabGujrat50700Pakistan

The detection of brain disease is an essential issue in medical and research *** learning techniques have shown promising results in detecting and diagnosing brain diseases using magnetic resonance imaging(MRI)*** techniques involve training neural networks on large datasets of MRI images,allowing the networks to learn patterns and features indicative of different brain ***,several challenges and limitations still need to be addressed further to improve the accuracy and effectiveness of these *** paper implements a Feature Enhanced Stacked Auto Encoder(FESAE)model to detect brain *** standard stack auto encoder’s results are trivial and not robust enough to boost the system’s ***,the standard Stack Auto Encoder(SAE)is replaced with a Stacked Feature Enhanced Auto Encoder with a feature enhancement function to efficiently and effectively get non-trivial features with less activation energy froman *** proposed model consists of four ***,pre-processing is performed to remove noise,and the greyscale image is converted to Red,Green,and Blue(RGB)to enhance feature details for discriminative feature ***,feature Extraction is performed to extract significant features for classification using DiscreteWavelet Transform(DWT)and ***,classification is performed to classify MRI images into four major classes:Normal,Tumor,Brain Stroke,and Alzheimer’***,the FESAE model outperforms the state-of-theart,machine learning,and deep learning methods such as Artificial Neural Network(ANN),SAE,Random Forest(RF),and Logistic Regression(LR)by achieving a high accuracy of 98.61% on a dataset of 2000 MRI *** proposed model has significant potential for assisting radiologists in diagnosing brain diseases more accurately and improving patient outcomes.

关键词： Brain diseases deep learning feature enhanced stacked auto encoder stack auto encoder

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Entropy generation analysis for the peristaltic flow of Cu-water nanofluid in a tube with viscous dissipation

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Journal of Hydrodynamics 2017年第1期29卷 135-143页

作者： Noreen Sher Akbar adil Wahid butt DBS&H CEMENational University of Sciences and TechnologyIslamabadPakistan DBS&H MCENational University of Sciences and TechnologyIslamabadPakistan

The purpose of the current investigation is to examine the influence of different physical parameters on the entropy gene- ration. The entropy generation number due to heat transfer and fluid friction is formulated. The velocity and temperature distributions across the tube are presented along with pressure attributes. Exact analytical solution for velocity and temperature profile is obtained. It is found that the entropy generation number attains high values in the region close to the walls of the tube, while it falls to low values near the center of the tube.

关键词： Entropy generation heat transfer nanofluid Cu-water uniform robe

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Entropy Generation Analysis in Convective Ferromagnetic Nano Blood Flow Through a Composite Stenosed Arteries with Permeable Wall

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Communications in Theoretical Physics 2017年第5期67卷 554-560页

作者： Noreen Sher Akbar adil Wahid butt DBS&H CEME National University of Sciences and Technology Islamabad Pakistan DBS&H MCE National University of Sciences and Technology Islamabad Pakistan

The study of heat transfer is of significant importance in many biological and biomedical industry *** investigation comprises of the study of entropy generation analysis of the blood flow in the arteries with permeable walls. The convection through the flow is studied with compliments to the entropy generation. Governing problem is formulized and solved for low Reynold's number and long wavelength approximations. Exact analytical solutions have been obtained and are analyzed graphically. It is seen that temperature for pure water is lower as compared to the copper water. It gains magnitude with an increase in the slip parameter.

关键词： ferromagnetic Nano blood flow heat transfer permeable wall magnetic field entropy

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Physiological Transportation of Casson Fluid in a Plumb Duct

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Communications in Theoretical Physics 2015年第3期63卷 347-352页

作者： Noreen Sher Akbar adil Wahid butt DBS & H CEMENational University of Sciences and Technology

This paper is devoted to a study of the peristaltic motion of a Casson fluid of a non-Newtonian fluid accompanied in a horizontai *** characterize the non-Newtonian fluid behavior,we have considered the Casson fluid *** similarity transformations are utilized to transform the governing partial differential momentum into the non-linear ordinary differential *** analytical solutions of these equations are obtained and are the properties of velocity,pressure and profiles are then studied graphically.

关键词： Casson fluid peristalsis tube flow

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Heat transfer analysis of viscoelastic fluid flow due to metachronal wave of cilia

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International Journal of Biomathematics 2014年第6期7卷 107-120页

作者： Noreen Sher Akbar adil Wahid butt DBSSJH CEMENational University of Sciences and Technology Islamabad Pakistan

This study describes ciliary motion on the transport of fluids in human body with heat transfer. The mathematical model of the flow of a Jeffrey fluid in a tube of finite length is considered due to metachronal wave of cilia motion. Flow equations have been modeled and simplified using similarity variables. Exact solutions of the formulated problem have been obtained for velocity, temperature and pressure gradient and graphs for velocity, pressure rise pressure gradient and temperature profile have been plotted and studied for different values of specific physical parameters. Trapping phenomena and isotherms are presented at the end of the paper.

关键词： Viscoelastic fluid metachronal wave of cilia heat transfer exact solution.

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High resolution colonoscopy in a bowel cancer screening program improves polyp detection

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World Journal of Gastroenterology 2011年第38期17卷 4308-4313页

作者： Matthew R Banks Rehan Haidry M adil butt Lisa Whitley Judith Stein Louise Langmead Stuart L Bloom Austin O' Bichere Sara McCartney Kalpesh Basherdas Manuel Rodriguez-Justo Laurence B Lovat Department of Gastrointestinal Services University College London Hospitals NHS Foundation Trust Department of Histopathology University College London Hospitals NHS Foundation Trust

AIM： To compare high resolution colonoscopy （Olympus Lucera） with a megapixel high resolution system （Pentax HiLine） as an in-service evaluation. METHODS： Polyp detection rates and measures of performance were collected for 269 colonoscopy procedures. Five colonoscopists conducted the study over a three month period, as part of the United Kingdom bowel cancer screening program. RESULTS：There were no differences in procedure duration （x^2 p = 0.98）, caecal intubation rates （x^2 P = 0.67）, or depth of sedation （x^2 P = 0.64）. Mild discomfort was more common in the Pentax group （x^2 p = 0.036）. Adenoma detection rate was significantly higher in the Pentax group （x^2 test for trend P = 0.01）. Most of the extra polyps detected were flat or sessile adenomas. CONCLUSION： Megapixel definition colonoscopes improve adenoma detection without compromising other measures of endoscope performance. Increased polyp detection rates may improve future outcomes in bowel cancer screening programs.

关键词： High resolution colonoscopy Bowel cancerscreening Polyp detection

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