نتایج جستجو برای: rotation invariance
تعداد نتایج: 93383 فیلتر نتایج به سال:
Using the counterterm subtraction technique we calculate the stress–energy tensor, action, and other physical quantities for Kerr–AdS black holes in various dimensions. For Kerr–AdS5 with both rotation parameters non–zero, we demonstrate that stress–energy tensor, in the zero mass parameter limit, is equal to the stress tensor of the weakly coupled four dimensional dual field theory. As a resul...
Rotation of tokamak-plasmas, not at the mechanical equilibrium, is investigated using the Prigogine thermodynamic theorem. This theorem establishes that, for systems confined in rectangular boxes, the global motion of the system with barycentric velocity does not contribute to dissipation. This result, suitably applied to toroidally confined plasmas, suggests that the global barycentric rotatio...
Two models for visual pattern recognition are described; the one based on application of internal compensatory transformations to pattern representations, the other based on encoding of patterns in terms of local features and spatial relations between these local features. These transformations and relational-structure models are each endowed with the same experimentally observed invariance pro...
A method of tracking objects in video sequences despite any kind of perspective distortion is demonstrated. Moving objects are initially segmented from the scene using a background subtraction method to minimize the search area of the filter. A variation on the Maximum Average Correlation Height (MACH) filter is used to create invariance to orientation while giving high tolerance to background ...
This thesis presents a modern Michelson-Morley experiment, which provides improved limits on test parameters that model a violation of Lorentz invariance in electrodynamics. The measurement thereby sets an upper limit on an anisotropy of the speed of light at a level of ∆c/c ∼ 10−16. The experiment compares the resonance frequencies of two optical highfinesse cavities, one of them continuously ...
Rethinking the Rotation Invariance of Local Convolutional Features for Content-Based Image Retrieval
Traditional methods of extracting finger vein texture changes and orientation features are susceptible to illumination, translation, noise, rotation, the process has difficulty directly structural through original image. In this paper, histogram competitive Gabor directional binary statistics (HCGDBS) is proposed extract discriminative features. First, index largest filter value obtained based ...
The azimuth multichannel technique has been widely used in synthetic aperture radar (SAR) systems for improving the resolution and expanding illumination area. However, due to phase inconsistency (PI) of different channels, image quality deteriorates significantly, including loss appearance ghost targets. In this letter, by exploiting rotation-invariant property steering vector SAR signal, a PI...
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