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Optimizing Fully Convolutional Encoder-Decoder Network for Segmentation of Diabetic Eye Disease

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Computers, Materials & Continua 2023年第11期77卷 2481-2504页

作者： abdul qadir Khan Guangmin Sun Yu Li Anas Bilal Malik abdul Manan Faculty of Information Technology Beijing University of TechnologyBeijing100124China College of Information Science Technology Hainan Normal UniversityHaikou571158China

In the emerging field of image segmentation,Fully Convolutional Networks(FCNs)have recently become ***,their effectiveness is intimately linked with the correct selection and fine-tuning of hyperparameters,which can often be a cumbersome manual *** main aim of this study is to propose a more efficient,less labour-intensive approach to hyperparameter optimization in FCNs for segmenting fundus *** this end,our research introduces a hyperparameter-optimized Fully Convolutional Encoder-Decoder Network(FCEDN).The optimization is handled by a novel Genetic Grey Wolf Optimization(G-GWO)*** algorithm employs the Genetic Algorithm(GA)to generate a diverse set of initial *** leverages Grey Wolf Optimization(GWO)to fine-tune these positions within the discrete search *** on the Indian Diabetic Retinopathy Image Dataset(IDRiD),Diabetic Retinopathy,Hypertension,Age-related macular degeneration and Glacuoma ImageS(DR-HAGIS),and Ocular Disease Intelligent Recognition(ODIR)datasets showed that the G-GWO method outperformed four other variants of GWO,GA,and PSO-based hyperparameter optimization *** proposed model achieved impressive segmentation results,with accuracy rates of 98.5%for IDRiD,98.7%for DR-HAGIS,and 98.4%,98.8%,and 98.5%for different sub-datasets within *** results suggest that the proposed hyperparameter-optimized FCEDN model,driven by the G-GWO algorithm,is more efficient than recent deep-learning models for image segmentation *** thereby presents the potential for increased automation and accuracy in the segmentation of fundus images,mitigating the need for extensive manual hyperparameter adjustments.

关键词： Diabetic eye disease image segmentation deep learning artificial intelligence grey wolf optimization FCN CNN

A Robust Approach for Detection and Classification of KOA Based on BILSTM Network

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Computer Systems Science & Engineering 2023年第11期47卷 1365-1384页

作者： abdul qadir Rabbia Mahum Suliman Aladhadh Computer Science Department UETTaxilaPakistan Department of Information Technology College of ComputerQassim UniversityBuraydahSaudi Arabia

A considerable portion of the population now experiences osteoarthritis of the knee,spine,and hip due to lifestyle ***,early treatment,recognition and prevention are essential to reduce damage;nevertheless,this time-consuming activity necessitates a variety of tests and in-depth analysis by *** overcome the existing challenges in the early detection of Knee Osteoarthritis(KOA),an effective automated technique,prompt recognition,and correct categorization are *** work suggests a method based on an improved deep learning algorithm that makes use of data from the knee images after segmentation to detect KOA and its severity using the Kellgren-Lawrence(KL) classification schemes,such as Class-I,Class-II,Class-III,and *** ResNet to segregate knee pictures,we first collected features from these images before using the Bidirectional Long Short-Term Memory(BiLSTM)architecture to classify *** that the technique is a pre-trained network and doesn’t require a large training set,the Mendeley VI dataset has been utilized for the training of the proposed *** evaluate the effectiveness of the suggested model,cross-validation has also been employed using the Osteoarthritis Initiative(OAI)***,our suggested technique is more resilient,which overcomes the challenge of imbalanced training data due to the hybrid architecture of our proposed *** suggested algorithm is a cuttingedge and successful method for documenting the successful application of the timely identification and severity categorization of *** algorithm showed a cross-validation accuracy of 78.57%and a testing accuracy of 84.09%.Numerous tests have been conducted to show that our suggested algorithm is more reliable and capable than the state-of-the-art at identifying and categorizing KOA disease.

关键词： KOA image classification knee osteoarthritis deep learning neural networks human computer interaction(HCI) medical imaging

National guidelines for the diagnosis and treatment of hilar cholangiocarcinoma

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World Journal of Gastroenterology 2024年第9期30卷 1018-1042页

作者： Faisal Saud Dar Zaigham Abbas Irfan Ahmed Muhammad Atique Usman Iqbal Aujla Muhammad Azeemuddin Zeba Aziz Abu Bakar Hafeez Bhatti Tariq Ali Bangash Amna Subhan Butt Osama Tariq Butt abdul Wahab Dogar Javed Iqbal Farooqi Faisal Hanif Jahanzaib Haider Siraj Haider Syed Mujahid Hassan Adnan abdul Jabbar Aman Nawaz Khan Muhammad Shoaib Khan Muhammad Yasir Khan Amer Latif Nasir Hassan Luck Ahmad Karim Malik Kamran Rashid Sohail Rashid Mohammad Salih abdullah Saeed Amjad Salamat Ghias-un-Nabi Tayyab Aasim Yusuf Haseeb Haider Zia Ammara Naveed Department of Hepatopancreatic Biliary Surgery&Liver Transplant Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Hepatogastroenterology and Liver Transplantation Dr.Ziauddin University HospitalKarachi 75600SindhPakistan University of Aberdeen Aberdeen B243FXUnited Kingdom Department of Pathology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Gastroenterology&Hepatology Pakistan Kidney and Liver Institute&Research CentreLahore 54000Pakistan Department of Radiology Aga Khan UniversityKarachi 74800Pakistan Department of Oncology Hameed Latif HospitalLahore 54000Pakistan Division of Hepatopancreatic Biliary Surgery&Liver Transplantation Shifa International HospitalIslamabad 44000Pakistan Department of Hepatopancreatic Biliary Surgery&Liver Transplant Shaikh Zayed Hospital and Post Graduate Medical InstituteLahore 54000Pakistan Department of Medicine Aga Khan University HospitalKarachi 74800Pakistan Department of Liver Transplant Pir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Medicine&Gastroenterology Lifecare Hospital and Research CentrePeshawar 25000Khyber PakhtunkhwaPakistan Department of Hepatopancreatobiliary&Liver Transplant Bahria International HospitalLahore 54000Pakistan Department of Surgery Hepatopancreatobiliary&Liver TransplantDow University of Health SciencesKarachi 74800Pakistan Department of Gastroenterology Hepatology&NutritionPir Abdul Qadir Shah Jeelani Institute of Medical SciencesGambat 66020Pakistan Department of Oncology Dr.Ziauddin HospitalKarachi 74800Pakistan Department of Radiology Rehman Medical InstitutePeshawar 25000Pakistan Army Liver Transplant Unit Pak Emirates Military HospitalRawalpindi 46000Pakistan Department of Gastroenterology Sindh Institute of Urology and TransplantationKarachi 75500Pakistan Rashid Nursing Home and Cancer Clinic Rashid Nursing Home and Cancer ClinicRawalpindi 46000Pakistan Department of Gastroentero

A consensus meeting of national experts from all major national hepatobiliary centres in the country was held on May 26,2023,at the Pakistan Kidney and Liver Institute&Research Centre(PKLI&RC)after initial consultations with the *** Pakistan Society for the Study of Liver Diseases(PSSLD)and PKLI&RC jointly organised this *** effort was based on a comprehensive literature review to establish national practice guidelines for hilar cholangiocarcinoma(hCCA).The consensus was that hCCA is a complex disease and requires a multidisciplinary team approach to best manage these *** coordinated effort can minimise delays and give patients a chance for curative treatment and effective *** diagnostic and staging workup includes high-quality computed tomography,magnetic resonance imaging,and magnetic resonance *** cytology or biopsy utilizing endoscopic retrograde cholangiopancreatography is a mainstay for ***,histopathologic confirmation is not always required before *** ultrasound with fine needle aspiration of regional lymph nodes and positron emission tomography scan are valuable adjuncts for *** only curative treatment is the surgical resection of the biliary tree based on the Bismuth-Corlette *** patients with unresectable hCCA can be considered for liver *** chemotherapy should be offered to patients with a high risk of *** use of preoperative biliary drainage and the need for portal vein embolisation should be based on local multidisciplinary *** with acute cholangitis can be drained with endoscopic or percutaneous biliary *** chemotherapy with cisplatin and gemcitabine has shown improved survival in patients with irresectable and recurrent hCCA.

关键词： Hilar cholangiocarcinoma Bismuth-Corlette classification Memorial Sloan Kettering Cancer Centre Staging Preoperative biliary drainage Portal vein embolisation Surgical resection Hepatectomy

Dependence of effective screening length in granular columns on bead and silo sizes and their ratio

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Chinese Physics B 2013年第5期22卷 591-594页

作者： abdul qadir Madad Ali Shah Saeed Ahmed Khan Department of Electrical Engineering Sukkur Institute of Business Administration

Apparent mass measurements at the bottom of silos have been carried out. An important parameter in the Janssen model known as the effective screening length has been investigated for different bead and silo diameters as well as of their ratios. It is found that the effective screening length augments with the grain diameter d in addition to the granular column size. It is also revealed that λ exhibits stronger correlation with the bead diameter than that of the silo. This phenomenon is attributed to the reduced-shielding of the vertical stresses to the horizontal ones.

关键词： granular systems granular solids static sand piles granular compaction

The hybrid MPC-MINLP algorithm for optimal operation of coal-fired power plants with solvent based post-combustion CO_(2) capture

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Petroleum 2017年第1期3卷 155-166页

作者： Norhuda abdul Manaf abdul qadir Ali Abbas School of Chemical and Biomolecular Engineering The University of SydneySydney 2006Australia

This paper presents an algorithm that combines model predictive control(MPC)with MINLP optimization and demonstrates its application for coal-fired power plants retrofitted with solvent based post-combustion CO_(2) capture(PCC)*** objective function of the optimization algorithm works at a primary level to maximize plant economic revenue while considering an optimal carbon capture *** a secondary level,the MPC algorithm is used to control the performance of the PCC *** techno-economic scenarios based on fixed(capture rate is constant)and flexible(capture rate is variable)operation modes are developed using actual electricity prices(2011)with fixed carbon prices($AUD 5,25,50/tonne-CO_(2))for 24 h *** show that fixed operation mode can bring about a ratio of net operating revenue deficit at an average of 6%against the superior flexible operation mode.

关键词： Carbon capture PCC Flexible operation Modeling Algorithm Optimization

Geotechnical forensic investigation of a slope failure on silty clay soil--A case study

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Frontiers of Structural and Civil Engineering 2020年第2期14卷 501-517页

作者： Mohammad Abubakar NAVEED Zulfiqar ALI abdul qadir Umar Naveed LATIF Saad HAMID Umar SARWAR Military College of Engineering National University of Sciences and TechnologyRisalpur 24080Pakistan School of Civil Environmental and Mining EngineeringThe University of AdelaideAdelaibe 5096Australia

Qila Bala Hisar is one of the noteworthy places of Peshawar,Khyber *** fort was constructed on a flled ground during the 18th century and it was renovated several times by the occupants ever ***,due to an earthquake of magnitude 7.3,the upper part of the south-western wall of the fort *** collapse of the wall was attributed to the failure of the retained *** research was undertaken to characterize the slope material,study causal factors of failure and evaluate remedial *** investigation involved conventional field and laboratory testing and geophysical investigation using electrical resistivity technique to evaluate the nature of ***,X-ray Diffraction and Scanning Electron Microscopy was used to study the slope material at a molecular level to evaluate the existence of swelling *** analysis has shown that excessive seepage of water caused by the poor maintenance of runoff and sewage drains is the causal factor triggered by the seismic event.A remedial strategy involving soil nails,micro piles and improvement of the surface drainage is recommended.

关键词： forensic geotechnical investigation slope failure slope analysis finite element method numerical analysis seismic loading Qila Bala Hisar

Reflection of thermoelastic wave on the interface of isotropic half-space and tetragonal syngony anisotropic medium of classes 4, 4/m with thermomechanical effect

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Chinese Physics B 2016年第3期25卷 414-417页

作者： Nurlybek A Ispulov abdul qadir M A Shah Ainur K Seythanova Tanat G Kissikov Erkin Arinov S. Toraygyrov Pavlodar State University Pavlodar 140008 Kazakhstan Department of Electrical Engineering Sukkur Institute of Business Administration Sindh Pakistan Zhezkazgan University Kazakhstan

The thermoelastic wave propagation in a tetragonal syngony anisotropic medium of classes 4, 4/m having heterogeneity along z axis has been investigated by employing matrizant method. This medium has an axis of second-order symmetry parallel to z axis. In the case of the fourth-order matrix coefficients, the problems of wave refraction and reflection on the interface of homogeneous anisotropic thermoelastic mediums are solved analytically.

关键词： anisotropic medium thermoelasticity harmonic waves dispersion

Nicotine induced hepatotoxicity and its prevention with date palm pit powder

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应用与环境生物学报 2015年第3期21卷 489-493页

作者： Bushra Munir Mohammad Tahir Sobia Munir Muhammad Nawaz Chaudhry abdul qadir College of Earth and Environmental Sciences University of the Punjab University of Health Sciences Khayaban-e-Jamia Punjab

Cigarette smoking is common in societies worldwide and has been identifi ed as injurious to human health. Nicotine is the most abundant component in the cigarette smoke. It is fi rst metabolized in the liver. The natural diet contains a variety of compounds, such as date palm(Phoenix dactylifera L.). It exhibits protective effect against different toxins. The aims of present study were to investigate the damaging effects of nicotine on the liver and the preventive role of date palm against such damage. Date palm pit powder was used to study its protective effect on nicotine induced hepatotoxicity. Three groups of adult male albino mice were used, each containing eight animals. Group A served as a control; Group B was used as an experimental group treated with nicotine(0.3 mg/kg) intraperitoneally for forty-fi ve days; Group C received nicotine(0.3 mg/kg) intraperitoneally along with date palm pit powder(500 mg/kg) orally for forty-five days. Histopathological examination revealed that the general architecture was damaged with increase in size of hepatocytes, central vein and number of fat vacuoles and periportal infiltration of lymphocytes. The nicotine treated mice showed decreased level of cytoplasmic vacuolization, necrosis and infl ammation. Date palm pit powder administration to nicotine-treated mice showed reversion of the damaged feature to nearly normal. These results along with previous study suggest that date palm pit powder is useful in combating nicotine induced hepatotoxicity.

关键词：环境生物学应用 ANOVA

Energy Optimization of Savonius Vertical Axis Wind Turbine

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Journal of Electronic Science and Technology 2015年第4期13卷 379-383页

作者： abdul qadir Versiani Sibi Chacko Prashant Kumar Soori the School of Engineering & Physical Sciences at Heriot Watt University Dubai Campus

This paper reports a wind-powered water pumping system implemented in rural side of Pakistan. The design methodology presented in this paper shah enhance the efficiency of the existing Savonius turbine＇s performance by modifying it aerodynamically. Blades with different twist angles are designed in Solid Edge and analyzed using computational fluid dynamics （CFD） with ANSYS FLUENT software. Static and rotational analyses are performed to get optimized twist angle and results are highlighted. The performances of the turbine in both static and rotational analyses are compared.

关键词： Computational fluid dynamics,rotational static turbine.