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In this paper, a new 2D cepstral descriptor will be proposed for 3D model retrieval. In the proposed approach, the overlapping subband decomposition will be employed to divide each 2D spectrum into a number of overlapped subbands for further 2D cepstral descriptor extraction. Experiments conducted on the Princeton Shape Benchmark (PSB) database have shown that the proposed 2D cepstral descriptor yields...
In this paper, a 5kW novel modular multistage axial-flux permanent magnet machine (MM-AFPM) for EVs is analyzed. As key parts of the motor, electrician-ferrite teeth supports and SMC teeth supports are studied by 3D finite element method (FEM) respectively. No-load, full-load, harmonics, magnetic field distribution, etc. are calculated. FEM result indicates that SMC-materials have great advantages...
The 3D and bistatic SAR parametric scattering models of canonical scatterers are approximated as the product of azimuthal and elevational 2D scattering models based on analyzing the scattering mechanisms of canonical scatterers in the 3D and bistatic case. After deriving relationship of the angles, the azimuthal and elevational 2D scattering models are substituted by the fundamental planar scattering...
This paper presents a novel system for personalized design of footwear using commercial depth-sensing technologies. The system allows users to virtually try on 3D shoe models in a live video stream. A two-stage object tracking algorithm was developed to correctly align shoe models to moving feet during the try-on process. Tracking was driven by an iterative closest point (ICP) algorithm that superimposed...
Offering good quality of experience (QoE) in stadiums poses unprecedented challenges to wireless operators, due to extreme traffic conditions. During popular sporting events, there could be tens of thousands of active users packed into a relatively small area, sharing pictures and video clips through smartphone applications. This creates high traffic densities and drives requirements for high capacity,...
An extension of the adaptive integral method (AIM) is presented for fast analysis of scattering from three-dimensional (3D) structures located in multiple layers of a planar layered medium. The proposed scheme accelerates the iterative method-of-moments solution by employing 3D auxiliary regular grids, each of which encloses the parts of the structure in a different layer, and 2D auxiliary regular...
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