通过检测人体体表每点的红外热辐射能量,可以得到反映体表温度分布的红外热图像。当乳房内部出现恶性肿瘤时,由于局部病灶组织具有异常的血运状态,会引起乳房表面病灶区域的温度显著升高。医生通过对乳房红外热图像病灶区域进行视觉分析、判断,可以实现对乳腺癌的检测。为了便于医生更好地发现这些病灶区域,本论文通过引入视觉因素,改进了传统的伪彩色显示方法,使病灶区域具有更鲜明的显示效果。这一方法的效果在47例乳腺癌病人的乳房红外热图像上得到了证实。采用这一方法对红外热图像病灶区域进行视觉分析所得到的结果,可以和采用近红外光谱等方法得到的组织血运状态进行对照比较,从而获得更为确切的诊断信息。

An infrared thermogram which reflects the human body surface temperature distribution can be obtained through detecting the infrared thermal radiation from each point on the human body surface.When a malignant tumor occurs in a breast,it will cause an increase in the prominent temperature in the breast surface focus region due to the abnormal blood transmission state of local focus tissue.Breast cancer can be detected through the visual analysis of the focus regions by physicians.In order to help physicians better find these focus regions,the present paper improved the traditional pseudo color display method by introducing visual effect factor and made the focus regions have a better display effect.The efficacy of this method was verified in the breast infrared thermograms of 47 breast cancer patients.The result from visual analysis of the focus region in infrared thermogram by this method can also be compared with the tissue blood transmission state from near infrared spectroscopy (NIRS) and other methods.It will be helpful to obtain more accurate diagnostic information.