Results 221 to 230 of about 708,405 (285)

Phasor theory of fluorescence lifetime imaging utilized on a maximum range of frequencies for prostate tissue analysis. [PDF]

Biomed Opt Express
Schoop RAL, de Roode LM, Alfonso-García A, Fereidouni F, de Boer LL, Marcu L, Ruers TJM.   +6 more
europepmc   +1 more source

Inverse Analytical Formula for the Correction of Severe Barrel Lens Distortion Modelled by a Depressed Radial Distortion Polynomial. [PDF]

Sensors (Basel)
Ikokou GB, Shoko M, Tagoe ND.
europepmc   +1 more source

Extended Kalman Filter-Based Visual Odometry in Dynamic Environments Using Modified 1-Point RANSAC. [PDF]

Biomimetics (Basel)
Lee J, Kang J.
europepmc   +1 more source

An image recognition agorithm for fine-grained high-frequency workpieces based on a multi-branch network architecture. [PDF]

Sci Rep
Deng J, Sun C, Lin J, He Y, Yin Y, Pu Q, Yang X, Jiang L.   +7 more
europepmc   +1 more source

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Optical coordinate transformations

Applied Optics, 1992
A novel technique for designing holographic optical elements that can perform general types of coordinate transformation is presented. The design is based on analytic ray-tracing techniques for finding the grating vector of the element, from which the holographic grating function is obtained as a solution of a Poissonlike equation. The grating function
N, Davidson, A A, Friesem, E, Hasman
openaire   +2 more sources

Coordinates and coordinate transformations

1996
Abstract In the discussion of variational methods in the previous chapter we contrasted the Newtonian emphasis on the motion of particles with the Lagrangian idea of an invariant system property called the action, which has a stationary value under small arbitrary displacements of the coordinates and their associated velocities. Since
D Baldomir, P Hammond
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Transformation to Rotating Coordinates

Nature, 1970
IN the treatment of problems involving rotating coordinate frames one of two types of viewpoint is conventionally adopted. The assumption may either be made that the use of principles familiar in special relativity can be extended to the rotating coordinate case, or a general-relativistic treatment may be used, with use of an explicit coordinate ...
openaire   +2 more sources

Coordinate transformations in object recognition.

Psychological Bulletin, 2006
A basic problem of visual perception is how human beings recognize objects after spatial transformations. Three central classes of findings have to be accounted for: (a) Recognition performance varies systematically with orientation, size, and position; (b) recognition latencies are sequentially additive, suggesting analogue transformation processes ...
openaire   +4 more sources

Insulation coordination of distribution transformers

Electrical Engineering, 1932
In this study of insulation coordination of distribution transformers, the operating conditions are reviewed and the requirements of transformers to be operated without protection are outlined. Test results on transformers designed to meet these requirements are given, showing that by the use of shields for the high-voltage windings and thyrite ...
E. D. Treanor, W. H. Cooney
openaire   +1 more source