Abstract—In this paper, a new lossy technique based on wavelet transform for compression of breast ultrasound images is presented. The experiments are performed on 16 different wavelet functions and the quality of reconstructed images is eval

在线考试系统。自动组题、自动阅卷评分，可以增加主观题考试-Online examination system. Auto Group title, automatic marking score, you can add a subjective exam questions