نتایج جستجو برای: mathematical human eye model

تعداد نتایج: 3733935  

2015
Redwan Abdo A. Mohammed

Predicting human behavior is desirable in many application scenarios in smart environments. Gaze represents one of the essential cues, which is important to understand these behaviors. In this thesis, we consider eye movements and the spatial location of visual attention in different behavioral context as a model system. Behavioral eye movements data in a different context is presented together...

To calculate and evaluate wave scattering and penetration of electromagnetic waves in different biological tissues it is necessary to use a realistic model of the human body, with all tissues resolved and separately assigned with appropriate electric/magnetic properties. We report the development of a realistic 3D whole-body human model that has been adapted for simulation in CST software, cont...

2014
Zuhaila Ismail Alistair Fitt Colin Please

Scleral buckling is a surgical technique to treat rhegmatogenous retinal detachment (RRD). Vision may be affected by the scleral buckle. Since the buckle is pushed into the sclera towards the detached retina, it may change the shape and the focal length of the eyeball. A paradigm mathematical model of human eyeball is set up to examine how the focal length of the eye is affected under the actio...

2007
C. Weber H. Ritter J. Cowan K. Obermayer

We have developed a mathematical framework to study the interplay of processes thought to be involved in the development of the retinotectal projection. Our model consists of two input layers which correspond to the retinae of both eyes, and one output layer which corresponds to either the right or the left half of the tectum. The connections between eyes and tectum are described by eeective sy...

Journal: :civil engineering infrastructures journal 0
gholamreza abdollahzadeh assistant professor, department of civil engineering, babol university of technology, babol, iran farid ghobadi m.sc. student, department of civil engineering, shomal university of amol, amol, iran.

some considerable damage to steel structures during the hyogo-ken nanbu earthquake occurred. among them, many exposed-type column bases failed in several consistent patterns, such as brittle base plate fracture, excessive bolt elongation, unexpected early bolt failure, and inferior construction work, etc. the lessons from these phenomena led to the need for improved understanding of column base...

Journal: :international journal of environmental research 2011
j. lee h. zhang y. liu x. liu g. miao

approach of organic material anaerobic biodegradation and species of organic matter in sediment are discussed, and then a classifying method of the species is proposed on a new viewpoint. the pore water sediment oxygen demand (sod) numerical model in bottom sediment system is proposed originally, which differs from other advection-dispersion-sorption (ads) model in adding a sod-creating term. t...

Journal: :Mathematical biosciences 2014
Victoria Booth Cecilia G Diniz Behn

Mathematical modeling has played a significant role in building our understanding of sleep-wake and circadian behavior. Over the past 40 years, phenomenological models, including the two-process model and oscillator models, helped frame experimental results and guide progress in understanding the interaction of homeostatic and circadian influences on sleep and understanding the generation of ra...

ژورنال: بیمارستان 2019

Background: In service organizations such as hospitals, human resources (HR) play a key role in the quality of service delivery. Lack of a systemic attitude in terms of system dynamics, HR planning have been somewhat distant from reality. In order to solve such a problem, this study aimed to modeling the dynamics of human resources capacity management system in healthcare services.   Material...

ژورنال: مهندسی دریا 2015

Ship maneuvering performance evaluation is essential for primary design stages. Ship maneuvering calculations, horizontal plane motion control and development of maneuvering simulators need a mathematical description of ship maneuvering. In the recent years, different mathematical models are suggested for maneuvering of displacement vessels that are capable of estimation of vessel maneuvers wit...

Hussein Oleiwi Muttaleb Al-Dahmoshi, Masar Riyadh Rashid Al-Mousawi, May Mohammed Ali, Noor Salman Kadhim Al-Khafaji,

Background: Human Adenovirus species D (HAdV-D) was common human viral pathogen especially in eye infection, consists of several types of which HAdV-D8, -D19 and –D37 were common in eye infection. This study includes detection of HAdV-D types implicated in conjunctivitis based on L2 (Penton protein) gene similarity. Methods: Conjunctival swabs were collected from Keratoconjunctivitis patient...

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