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In a video based face identification task, a sequence of frames can be utilized to identify the subject in the video. The information extracted from frames can provide samples of the subject in different head poses and facial expressions and under various lighting conditions which enriches the training process. However, some of these frames may not be useful for identification due to noise from various...
An ultra-low-power common-gate low noise amplifier (CG-LNA) for 2.4 GHz wireless sensor network (WSN) applications is proposed in this letter. The current-reuse and active -boosting techniques are utilized. The analysis, design method and measurement results are shown. An implemented prototype using 0.18 m CMOS technology is evaluated using on-wafer probing. Measurements also show a gain...
Window Fourier transform (WFT) is used to reduce the noise effect for the phase image of the digital holographic system and apply it to measure the morphology of the living cells. In advance, the Graphic processing unit (GPU) is developed to increase the computation speed to achieve real-time processing.
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