نتایج جستجو برای: relative orientation

تعداد نتایج: 483607  

2008
Jeroen D. Hol Thomas B. Schön Fredrik Gustafsson

This paper is concerned with the problem of estimating the relative translation and orientation of an inertial measurement unit and a spherical camera, which are rigidly connected. The key is to realize that this problem is in fact an instance of a standard problem within the area of system identi cation, referred to as a gray-box problem. We propose a new algorithm for estimating the relative ...

Journal: :Journal of neurophysiology 2006
Santosh G Mysore Rufin Vogels Steve E Raiguel Guy A Orban

We used gratings and shapes defined by relative motion to study selectivity for static kinetic boundaries in macaque V4 neurons. Kinetic gratings were generated by random pixels moving in opposite directions in the neighboring bars, either parallel to the orientation of the boundary (parallel kinetic grating) or perpendicular to the boundary (orthogonal kinetic grating). Neurons were also teste...

Journal: :Physical chemistry chemical physics : PCCP 2010
Guangjin Hou Sivakumar Paramasivam In-Ja L Byeon Angela M Gronenborn Tatyana Polenova

In this paper, we present 3D chemical shift anisotropy (CSA)/dipolar coupling correlation experiments, based on γ-encoded R-type symmetry sequences. The γ-encoded correlation spectra are exquisitely sensitive to the relative orientation of the CSA and dipolar tensors and can provide important structural and dynamic information in peptides and proteins. We show that the first-order (m = ±1) and ...

2016
Liam Timmins Dermot Barnes-Holmes Claire Cullen

Snowden, Wichter, and Gray (2008) demonstrated that an Implicit Association Test and a Priming Task both predicted the sexual orientation of gynephilic and androphilic men in terms of their attraction biases towards pictures of nude males and females. For both measures, relative bias scores were obtained, with no information on the separate response biases to each target gender. The present stu...

2013
Steve Ngai Hung Tsang Ken W. L. Chan Alan H. S. Chan

Effects of stimulus orientation, grouping, and alignment on spatial compatibility were investigated in this study. With eight possible stimulus locations mapped to two response keys, responses for the parallel orientation was found to be faster than that for the orthogonal orientation. As to the grouping effect, responses for the split stimulus array were superior to that for the continuous one...

Journal: :Journal of experimental psychology. Human perception and performance 2005
Klaus Gramann Hermann J Müller Eva-Maria Eick Bernd Schönebeck

Three experiments investigated spatial orientation in a virtual navigation task. Subjects had to adjust a homing vector indicating their end position relative to the origin of the path. It was demonstrated that sparse visual flow was sufficient for accurate path integration. Moreover, subjects were found to prefer a distinct egocentric or allocentric reference frame to solve the task. "Turners"...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2016
Sandra Rocha Maxim Kogan Tamás Beke-Somfai Bengt Nordén

The cell membrane is an ordered environment, which anisotropically affects the structure and interactions of all of its molecules. Monitoring membrane orientation at a local level is rather challenging but could reward crucial information on protein conformation and interactions in the lipid bilayer. We monitored local lipid ordering changes upon varying the cholesterol concentration using pola...

2016
Lushuai Zhang Susmit Singha Roy Nathaniel S. Safron Melinda J. Shearer Robert M. Jacobberger Vivek Saraswat Robert J. Hamers Michael S. Arnold Trisha L. Andrew

DOI: 10.1002/admi.201600621 orientations in thin films. First of all, elucidating the effect of excited state delocalization, including singlet excitons, triplet excitons, and charge transfer states, on charge generation and recombination processes in crystalline thin films and molecular heterointerfaces requires controlled access to varied molecular orientations. A lying-down orientation provi...

2009
Diego Martinez Yong K. Cho

As on-going research, this paper presents a framework to improve wireless mobile robot’s navigational accuracy in diverse indoor environments where the signals are affected by various types of interference including electromagnetic, multi-path, and fading and scattering. In particular, indoor construction environments pose unique challenges to accurate wireless navigation due to their relative ...

Journal: :Pattern Recognition 2013
Jianjun Qian Jian Yang Guangwei Gao

This paper presents a simple and robust method, namely discriminative histograms of local dominant orientation (D-HLDO), for biometric image feature extraction. In D-HLDO, the local dominant orientation map and the corresponding relative energy map are obtained by applying the singular value decomposition (SVD) to the collected gradient vectors over a local patch. The dominant orientation map a...

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