Abstract An intelligent wheelchair is designed to help physically disabled patients by using speech recognition system to control the movement of wheelchair in different directions. Automatic obstacle detection is done using an ultrasonic sonar system which helps the patient to apply a momentary brake in case any obstacle suddenly comes in the way of the …

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Abstract— The main aim of our paper is to give a way to cancel noise in biomedical signals like ECG which are non-stationary.ECG is the recording of the electric conductivity of the heart and is used in investigation of many heart diseases. In the recording process, the noise through various sources take account in the …

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