Dept. of Electr. Eng., National Taiwan Univ.Jeng, Geng-ShiGeng-ShiJengHuang, Sheng-WenSheng-WenHuang2007-04-192018-07-062007-04-192018-07-062003-10http://ntur.lib.ntu.edu.tw//handle/246246/200704191002837application/pdf428419 bytesapplication/pdfen-USSNR-dependent filter design for improving depth of fieldjournal article10.1109/ULTSYM.2003.1293125http://ntur.lib.ntu.edu.tw/bitstream/246246/200704191002837/1/01293125.pdf