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Dynamical decoupling (DD) emerges as a promising tool to suppress decoherence of quantum systems by eliminating the system-environment coupling. We investigate its power in combating pure dephasing of a qubit under random classical noise. Interestingly, the decoherence rate can be viewed as the interplay between noise spectrum and a controllable filter function. More specifically, the filter function...
This paper presents an effective Simultaneous Localization and Map-Building (SLAM) technique for indoor mobile robot navigation based on laser scan-matching and Rao-Blackwellized Particle Filter (RBPF). Although the Extended Kalman Filter (EKF) solution exhibits some desirable properties, the associated geometric feature map itself fails to cope with senor noise mingled in the incoming laser reading...
In order to solve the problem of noises that were generated by operation on floating point representation (FPR) in genetic environment, and its influence on performance of genetic algorithm (GA), FPR genetic algorithm (FPRGA) denoising mutation based on wavelet decomposition (FPRGAWD) is presented by this paper. FPR noises were decomposed with Haar wavelet. The noises are mapped to Haar basis. The...
Fingerprint recognition is one of the most important technologies of the biometrics identification. As a convenient, fast and security method for personal identification, it has been widely used in many fields. The edge detection is an important part of the Fingerprint recognition; it has a serious influence on the thinner and the character extraction of the images, and finally effects the matching...
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