نتایج جستجو برای: non linear optic

تعداد نتایج: 1742149  

2013
Priyatosh Mahish Sarbani Chakrabarty

The magneto optic sensor is very fast (at the speed of light), sensitive, non-contact and EMI (electromagnetic interference) proof in operation. It senses magnetic flux density by rotating the plane of polarization of the incident beam of light passing through it based on Faraday Effect. The amount of rotation depends on the property (Verdet Constant) of the magneto-optic element and the magnet...

Journal: :Vision Research 2004
Massimiliano Di Luca Fulvio Domini Corrado Caudek

In three experiments we investigated whether the perception of 3D structure from the optic-flow involves a process of spatial integration. The observer's task was to judge the 3D orientation of local velocity field patches. In two conditions, the patches were presented either in isolation, or as part of a global optic-flow. In Experiment 1, the global optic-flow was a linear velocity field. In ...

2017
Laura Sellmer Said Farschtschi Marco Marangoni Manraj K. S. Heran Patricia Birch Ralph Wenzel Jan M. Friedman Victor-Felix Mautner

BACKGROUND Non-optic gliomas occur in 5% of children with NF1, but little is known about these tumours in adults. We aimed to investigate progression, spontaneous regression and the natural history of non-optic gliomas in adults and compare these findings to the results found in children. RESULTS One thousand seven hundred twenty-two brain MRI scans of 562 unselected individuals with NF1 were...

R.B.Kazemzadeh, R.Noorossana and M. Karbasian,

In the last few years, Run-to-Run (R2R) control techniques have been developed and used to control various processes in industries. These techniques combine response surface, statistical process control, and feedback control techniques. The R2R controller consists of a linear regression model that relates input variables to output variables using Exponentially Weighted Moving Average (EWMA). In...

Journal: :Computer Vision, Graphics, and Image Processing 1988
Xinhua Zhuang Thomas S. Huang Narendra Ahuja Robert M. Haralick

The purpose of the article is to establish the relationship between rigid body motion and the optic flow image and solve motion parameters from optic flow image points. A basic equation relating optic flow image points to rigid body motion which involves only the instantaneous rotation and translation velocities without depths is established. A linear algorithm is developed to determine the mod...

Journal: :Brain and cognition 2016
Matthew H Roberts Joel I Shenker

Patient NS is a 28year-old female who went blind in her early twenties as a result of S-cone syndrome, a degenerative retinal disorder. A few years after losing her vision, she started experiencing visual perceptions of her hands as she moved them and objects that came into contact with her hands. Over the course of a year, these cross-modal sensations evolved to become veridical visual experie...

2011
Andreas Luxenburger Henning Zimmer Pascal Gwosdek Joachim Weickert

The increasing computing power of modern smartphones opens the door for interesting mobile image analysis applications. In this paper, we explore the arising possibilities but also discuss remaining challenges by implementing linear and nonlinear diffusion filters as well as basic variational optic flow approaches on a modern Android smartphone. To achieve low runtimes, we present a fast method...

Journal: :The Journal of experimental biology 2010
Jamie C Theobald Dario L Ringach Mark A Frye

For a small flying insect, correcting unplanned course perturbations is essential for navigating through the world. Visual course control relies on estimating optic flow patterns which, in flies, are encoded by interneurons of the third optic ganglion. However, the rules that translate optic flow into flight motor commands remain poorly understood. Here, we measured the temporal dynamics of opt...

2005
B. J. Janssen

Optic flow describes the apparent motion that is present in an image sequence. We show the feasibility of obtaining optic flow from dynamic properties of a sparse set of so called anchor points. Singular points of a Gaussian scale space image are identified as feasible anchor point candidates and analytical expressions describing their dynamic properties are presented. The advantage of approach...

Journal: :iranian journal of optimization 2009
tanka nath dhamala shree ram khadka

research interests have been focused on the concept of penalizing jobs both for being early and for being tardy because not only of modern competitive industrial challenges of providing a variety of products at a very low cost by smoothing productions but also of its increasing and exciting computer applications. here, sequencing approaches of the mixed- model just-in-time production systems is...

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