Hsu, Chiou-TingChiou-TingHsuWu, Ja-LingJa-LingWu2009-04-242018-07-052009-04-242018-07-051994/9/28http://ntur.lib.ntu.edu.tw//handle/246246/153053R.O.C.en-USEnergy Compaction Capability ofDCT and DHT under 2-D Source Model with CT Image Constraintsconference paper