Preecha Thongdit

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In this paper, we compare two weighted sum (WS) linear filters for image reconstruction technique under several image types. Two WS filters include hard partition-based weighted sum (HPWS) filter and subspace hard partition-based weighted sum (S-HPWS) filter. Four image types are considered including aerial image, face image, text image and sequence image.(More)
This paper proposes a new approach to implement a multiphase sinusoidal oscillator using loop-back of n-cascaded high-pass filters form. Two basic CMOS Multiple Outputs Operational Transconductance Amplifier (MOOTA) and grounded capacitors are constructed as a current-mode high-pass filter. Gain and frequency response of high-pass filter can be(More)
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