a method based on machine vision system (mvs) is hereby employed to evaluate grape drying through an assessment of the fruit’s shrinkage and quality during the dehydration. experimental data as well as captured images are obtained at an air velocity of 1.4 m s-1 and different drying temperatures (50, 60, 70ºc). the results indicated the effect of temperature on the moisture content, shrinkage a...

due to their advantages, omni-directional mobile robots have found many applications especially in robotic soccer competitions. however, omni directional navigation system, omni-vision system and kicking mechanism in such mobile robots have not ever been combined. this situation brings the idea of a robot with no head direction into existence, a comprehensive omni directional mobile robot. such...

the big eye kilka, clupeonella grimmi, is a marine fish living in depth of 20 to 200 meter of the caspian sea. its eye and retina were processed for histological and sem studies. paraffin embedded retina was cut radially and tangentially in 5 ?m thickness and stained with hematoxylin and eosin method. the unstained sections were manipulated for sem image observations. tangential retinal section...

Islamic arts are often identified by their abstract compositions based on geometric principles and spiritual concepts. Using artworks from different eras, this paper highlights the presence of a particular model of thought in Islamic arts in which the hierarchy of perspectival vision is abolished. The main argument is based on the ability of some artworks to be looked at from any angle while ma...

objectives: the goal of the present study was to compare the role of vision on static postural stability between athletes and nonathletes. methods: participants included two groups of 25 persons, men karatekas who were selected in isfahan (age 20.6±2.8 years, 66.24±10.34 kg of weight, height 1.76±0.07 m) and healthy young men in isfahan (age 21.6±2.33 years, 66.8±11.34 kg of weight, height 1.74...