hepatitis b infection is one of the health problems. a cross-sectional study was performed to determine the effective factors on hbsag in systan and blochestan province, iran. in this study sample of 1150 people aged 2-69 year were and interviewed using cluster sampling the following variables using x2 , fisher and cochran showed a significant relation with hbsag; xi, economical status (p < 0.0...

The articulate motion of the hand makes it very difficult to track the hands while performing a gesture. Simultaneous tracking of both hands needs to deal with large interframe variations in shape, clutter and mutual occlusion. In this paper, we present a robust method for localizing the hand region by tracking even in the presence of severe occlusion. We develop a model for tracking two rectan...

This paper describes a hidden Markov model-based static and dynamic 3D gesture recognition system. The shape and position of the hands, segmented and tracked using a novel 3D statistical model for the upper body in stereo sequences, are used as observation vectors. The upper body model allows for accurate 3D localization of the hands in the presence of partial occlusions, self occlusions and di...

Three-dimensional computer-aided modeling of dynamic processes supported by virtual reality techniques such as 3D-stereo viewing and nD manipulation devices does not reach the usability (ease, concreteness, intuitiveness, directness) that we experience in modeling with real physical objects. Pure virtual prototyping may reduce cognition and communication. To solve this problem we introduce the ...

This paper presents an interactive system for creating natural looking 3D hairstyles, by which users can cut, comb and perm the hair model and generate realistic hair images. The system contains three stages: modeling, styling and rendering. In the first phrase, the system produces a physical hair model using a cantilever beam simulation with collision detection. Then the styling phrase is a ha...

Objectives: This study aimed to identify the annual and weekly prevalence of Musculoskeletal Disorders (MSDs) and their relation to demographic characteristics, such as Body Mass Index (BMI), work experience, and physical activity in spinner workers in the textile industry. We also conducted a comparison between the annual and weekly prevalence of MSDs.  Methods: The study sample included 700 ...