Open Access

ARTICLE

An Improved Lung Sound De-noising Method by Wavelet Packet Transform with Pso-Based Threshold Selection

Qing-Hua He^a, Bin Yu^b, Xin Hong^a, Bo Lv^a, Tao Liu^b, Jian Ran^b, Yu-Tian Bi^a

^a State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Surgery Institute of the Third Military Medical University, Chongqing 400042, China;
^b College of Communication Engineering, Chongqing University, Chongqing 400044, China

* Corresponding Author: Yu-Tian Bi,