The experiment result demonstrates that these shape descriptors can well represent the tumor character: The identification rate is to benign tumor 87.5% and that to malignant tumor is 69.44%.

• 实验结果表明选择的特徵量较好地体现了肿瘤的性质，良性肿瘤的识别率达到87.；5%25，恶性肿瘤的识别率为69