After visual evaluation,we find acceptable quality in sense of clinical use under quatizer factor=75.Conclusion:In the practice of medical image process,we should be very careful in choosing a compression rate.

• 对临床图像的直观评估中 ,确认压缩级为75的图像能够符合临床应用的要求。 结论 :在医学图像的实践中应慎重选择不同的算法的压缩比。