56 Result(s)
within
João Manuel R.S. Tavares
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Chapter
Conclusions and Future Work
In this manuscript, we have provided an overview of the overall biomechanical and clinical studies on healthy and pathological knee joints. The various methods used by different researchers for modeling this j...
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Chapter
Overview of High Tibial Osteotomy and Optimization of the Correction Angle
OA is a degenerative disease of articular cartilage that occurs even in young people and results in pain, swelling, stiffness, a decreased ability to move and, sometimes, the formation of bone spurs (Arokoski ...
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Chapter and Conference Paper
Pattern Recognition in Macroscopic and Dermoscopic Images for Skin Lesion Diagnosis
Pattern recognition in macroscopic and dermoscopic images is a challenging task in skin lesion diagnosis. The search for better performing classification has been a relevant issue for pattern recognition in i...
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Chapter and Conference Paper
A Novel Interventional Guidance Framework for Transseptal Puncture in Left Atrial Interventions
Access to the left atrium is required for several percutaneous cardiac interventions. In these procedures, the inter-atrial septal wall is punctured using a catheter inserted in the right atrium under image g...
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Chapter
Finite Element Analysis Applications in Biomechanical Studies of the Knee Joint
The development of sophisticated 3D FE models through MRI techniques enables us to precisely capture the patient-specific geometries of both hard and soft tissues in the region of interest (RoI), in order to m...
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Chapter
Finite Element Models of the Knee Joint
Geometry, material properties and loading and boundary conditions are important aspects in FEA modeling of the knee. Many assumptions and concessions must be made while considering these aspects, as well as th...
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Article
Embedded real-time speed limit sign recognition using image processing and machine learning techniques
The number of traffic accidents in Brazil has reached alarming levels and is currently one of the leading causes of death in the country. With the number of vehicles on the roads increasing rapidly, these prob...
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Article
Influence of high-fat diet on bone tissue: An experimental study in growing rats
The relationship between obesity and bone tissue remains contradictory, especially when the effect of high-fat diet is assessed in experimental models. The aim of this study was to evaluate the effects of high...
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Article
Effect of fuzzy partitioning in Crohn’s disease classification: a neuro-fuzzy-based approach
Crohn’s disease (CD) diagnosis is a tremendously serious health problem due to its ultimately effect on the gastrointestinal tract that leads to the need of complex medical assistance. In this study, the back...
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Article
Induced Magnetic Field Used to Detect the Sigma Phase of a 2205 Duplex Stainless Steel
Sigma phases are formed due to heat treatments and/or welding processes during the solidification stage, and they are responsible for embrittlement of duplex stainless steels. Only a small amount of this phase...
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Article
A Review of the Quantification and Classification of Pigmented Skin Lesions: From Dedicated to Hand-Held Devices
In recent years, the incidence of skin cancer cases has risen, worldwide, mainly due to the prolonged exposure to harmful ultraviolet radiation. Concurrently, the computer-assisted medical diagnosis of skin ca...
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Chapter and Conference Paper
3D Vocal Tract Reconstruction Using Magnetic Resonance Imaging Data to Study Fricative Consonant Production
The development of Magnetic Resonance Imaging (MRI) has grown rapidly in clinical practice. Currently, the use of MRI in speech research provides useful and accurate qualitative and quantitative data of speech...
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Chapter and Conference Paper
Human Motion Segmentation Using Active Shape Models
Human motion analysis from images is meticulously related to the development of computational techniques capable of automatically identifying, tracking and analyzing relevant structures of the body. This work ...
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Chapter and Conference Paper
Computer Image Registration Techniques Applied to Nuclear Medicine Images
Modern medicine has been using imaging as a fundamental tool in a wide range of applications. Consequently, the interest in automated registration of images from either the same or different modalities has inc...
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Article
Toward hemodynamic diagnosis of carotid artery stenosis based on ultrasound image data and computational modeling
The ability of using non-expensive ultrasound (US) image data together with computer fluid simulation to access various severities of carotid stenosis was inquired in this study. Subject-specific hemodynamic c...
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Chapter
Sensing Bluetooth Mobility Data: Potentials and Applications
Information related to mobility dynamics constitutes an important factor to be considered in traffic management to improve the efficiency of existing systems. We present a proof-of-concept deployment of sensor...
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Article
Enhanced spatio-temporal alignment of plantar pressure image sequences using B-splines
This article presents an enhanced methodology to align plantar pressure image sequences simultaneously in time and space. The temporal alignment of the sequences is accomplished using B-splines in the time mod...
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Chapter
Towards Ontological Cognitive System
The increasing ubiquitousness of digital information in our daily lives has positioned video as a favored information vehicle, and given rise to an astonishing generation of social media and surveillance foota...
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Chapter
Identification of Foliar Diseases in Cotton Crop
The manifestation of pathogens in plantations is the most important cause of losses in several crops. These usually represent less income to the farmers due to the lower product quality as well as higher price...
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Article
Characterization of a CuAlBe Alloy with Different Cr Contents
In this article, the use of chromium (Cr) as a grain refiner for a CuAlBe shape memory alloy is discussed. Alloys with 0.1, 0.2, 0.3, and 0.5 wt.% Cr were characterized by optical microscopy, scanning electron...
