نتایج جستجو برای: position based visual system

تعداد نتایج: 4853550  

2003
Nicholas R. Gans Seth Hutchinson

Visual servoing methods are mmmonly classified as image based or position based, depending on whether image features or the robot pose is used in the feedback loop of the control law. Choosing one method over the other gives stability in the chosen state but surrenders all control over the other, which can lead to system failure if feature points are lost or the robot moves to the end of its re...

Journal: :Journal of Intelligent and Robotic Systems 2015
Javier Pérez-Lara Fernando Caballero Luis Merino

This paper proposes extending Monte Carlo Localization methods with visual place recognition information in order to build a robust robot localization system. This system is aimed to work in crowded and non-planar scenarios, where 2D laser rangefinders may not always be enough to match the robot position within the map. Thus, visual place recognition will be used in order to obtain robot positi...

Journal: :زن در فرهنگ و هنر 0
سیده راضیه یاسینی استادیار، پژوهشگاه فرهنگ، هنر و ارتباطات

this article is a study on the religious approach of pre-safavid iranian muslim miniaturists to female depiction based on quranic verses and other religious narratives. this article is to find the way of visual reflecting female admired qualifications based on islam view at original and novel miniatures. assuming that mentioned visual reflection is based on quranic and religious narratives or h...

Background and purpose: Dental caries are highly prevalent and their exact detection at initial stages is necessary. The laser-based DIAGNOdent device is used to detect these caries. The aim of this study was to assess the level of agreement between visual observation, bitewing radiographs, and DIAGNOdent system in detection of proximal caries in clinical applications. Materials and methods: I...

Journal: :Vision Research 2007
Ozgur Yilmaz Srimant P. Tripathy Saumil S. Patel Haluk Ogmen

Motion is known to distort visual space, producing illusory mislocalizations for flashed objects. Previously, it has been shown that when a stationary bar is flashed in the proximity of a moving stimulus, the position of the flashed bar appears to be shifted in the direction of nearby motion. A model consisting of predictive projections from the sub-system that processes motion information onto...

Journal: :Journal of cognitive neuroscience 2011
Jason Fischer Nicole Spotswood David Whitney

Representing object position is one of the most critical functions of the visual system, but this task is not as simple as reading off an object's retinal coordinates. A rich body of literature has demonstrated that the position in which we perceive an object depends not only on retinotopy but also on factors such as attention, eye movements, object and scene motion, and frames of reference, to...

Journal: :Current Biology 2012
Adam P. Morris Michael Kubischik Klaus-Peter Hoffmann Bart Krekelberg Frank Bremmer

BACKGROUND Many visual areas of the primate brain contain signals related to the current position of the eyes in the orbit. These cortical eye-position signals are thought to underlie the transformation of retinal input-which changes with every eye movement-into a stable representation of visual space. For this coding scheme to work, such signals would need to be updated fast enough to keep up ...

2010
Albert ZAMARIN

Preliminary note Fast and efficient position check is extremely important in the production cycle. It is hard for us to check every particular detail in series because of the short time period. So far, the mode of operation has been associated with statistical laws. Depending on the size of series, a random sample is taken in certain percentage, and afterwards the position and geometry are manu...

2001
Yasuyuki Yanagida Shintaro Saito Seiichiro Yano Taro Maeda Susumu Tachi

Visual display systems using fixed screens, including Immersive Projection Technology (IPT) displays, have a merit that they can provide a stable world against the user’s head motion. In spite of this merit, such display systems have not been used for “telexistence in real worlds”, which requires accurate stereoscopic view of live video image. We have proposed a method to realize a lived-video-...

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