Results 251 to 260 of about 137,229 (305)

4polar3D single molecule imaging of 3D orientation in dense actin networks using ratiometric polarization splitting. [PDF]

Nat Commun
Senthil Kumar CS, Valades Cruz CA, Sison M, Vesga AG, Rey-Barroso J, Curcio V, Alemán-Castañeda LA, Alonso MA, Poincloux R, Mavrakis M, Brasselet S.   +10 more
europepmc   +1 more source

High-Precision Robust Broadband Ultrasonic Location and Orientation Estimation [PDF]

IEEE Journal on Selected Topics in Signal Processing, 2009
This paper presents an indoor broadband ultrasonic system for estimation of a mobile device’s 3-D location and three-axis orientation using beacons. It presents the first implementation and characterization of a real frequency hopping spread spectrum ...
Chris J Bleakley
exaly   +3 more sources

Distributed formation control via global orientation estimation [PDF]

Automatica, 2016
In this paper, we propose a novel distributed formation control strategy, which is based on the measurements of relative position of neighbors, with global orientation estimation.
Byung-Hun Lee, Hyo-Sung Ahn
exaly   +2 more sources

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Estimating sensor orientation in cameras

Proceedings 15th International Conference on Pattern Recognition. ICPR-2000, 2002
For most imaging cameras, it is desirable that the sensor plane be perpendicular to the optical axis. Such an orientation ensures that the imaging configuration is perspective and planar scene objects perpendicular to the optical axis can be focussed in their entirety.
Manoj Aggarwal, Narendra Ahuja
openaire   +1 more source

Population codes for orientation estimation

Proceedings 15th International Conference on Pattern Recognition. ICPR-2000, 2002
Population coding has become an essential paradigm in cognitive neuroscience over the past decade and is increasingly studied within the neural network community. We investigate the use of population vector decoding for local edge orientation estimation from a discrete set of Gabor filters.
Niklas Lüdtke, Richard C. Wilson 0001, Edwin R. Hancock   +2 more
openaire   +1 more source

Orientation Estimation Network

2017
We propose the Orientation Estimation Network (OEN) to predict the dominant orientation of the outdoor images and rotate the images to a canonical orientation which is visually comfortable. The OEN outputs the sine and cosine of the angle which are continuous in contrast to the angle.
Jie Sun, Wengang Zhou 0001, Houqiang Li
openaire   +1 more source

Pedestrian Orientation Estimation

2014
This paper addresses the task of estimating the orientation of pedestrians from monocular images provided by an automotive camera. From an initial detection of a pedestrian, we analyze the area within their bounding box and give an estimation of the orientation.
Joé Lallemand, Alexandra Ronge, Magdalena Szczot, Slobodan Ilic   +3 more
openaire   +1 more source

Estimating orientation with gyroscopes and accelerometers

Technology and Health Care, 1999
Many systems for recording human movement need some reference from beacons near the subject, such as video cameras. Our goal is to measure human kinematics with sensors that are placed on the segments of interest. This way, experiments in which human movement is recorded are not restricted to a lab.
Luinge, Hendrik J., Veltink, Petrus H., Baten, Christian T.M.   +2 more
openaire   +5 more sources

Scale-adaptive orientation estimation

Object recognition supported by user interaction for service robots, 2003
This paper focuses on directional textures. It provides a new framework for the design of convolution masks dedicated to orientation estimation and an adaptive algorithm which chooses the best mask size for each pixel. The design of the adaptive algorithm is based on the combination of two complementary operators: a gradient based operator which is ...
Franck Le Pouliquen, Christian Germain, Pierre Baylou   +2 more
openaire   +2 more sources

Application-Oriented Estimator Selection

IEEE Signal Processing Letters, 2015
Designing the optimal experiment for the recovery of an unknown system with respect to the end performance metric of interest is a recently established practice in the system identification literature. This practice leads to superior end performance to designing the experiment with respect to some generic metric quantifying the distance of the ...
Dimitrios Katselis, Cristian R. Rojas
openaire   +1 more source