Adaptive thresholding incorporating temporal and spatial information with eigen-based clutter filter for color Doppler processing in ultrasonic systems. - Cheng-Zhou Zhan; Zih-Ling Liu; An-Yeu Wu (SiPS, 2011)

Motion artifact elimination algorithm with eigen-based clutter filter for color Doppler processing. - Zih-Ling Liu; Yu-Hao Chen; Cheng-Zhou Zhan; An-Yeu Andy Wu (ICASSP, 2013)