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—A biconical antenna has been developed for ultra-wideband sensing. A wide impedance bandwidth of around 115% at bandwidth 3.73–14 GHz is achieved which shows that the proposed antenna exhibits a fairly sensitive sensor for microwave medical imaging applications. The sensor and instrumentation is used together with an improved version of delay and sum image… (More)
Ultra wide band (UWB) electromagnetic tomography is a new tomographic imaging technique based on the propagation of ultra fast electromagnetic impulses through dielectric media. The spatial distribution of the illuminated media can then be reconstructed by inverse algorithms where the difference between calculated and measured fields are minimized using a… (More)
In this paper, the intracranial Electroencephalograph (EEG) has been employed to detect and classify the states of seizures in human subjects. In so doing, the Stationary Wavelet Transform (SWT) has been deployed to extract features from EEG signals recorded from several patients suffering from medically intractable focal epilepsy. All together three states… (More)
BACKGROUND The study assesses the capability and accuracy of a robotic arm to perform burr holes. MATERIAL AND METHODS The robotic systems are instructed to recognize targets on artificial skull models placed in different positions and to make burr holes. RESULTS The accuracy ranged from 0.1 to 1.0 mm. CONCLUSION Robotic arms are capable to perform… (More)