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    • 34. 发明申请
    • METHOD FOR PROCESSING MEDICAL BLOOD VESSEL IMAGE
    • 医疗血管图像处理方法
    • WO2012121488A3
    • 2012-12-13
    • PCT/KR2012000768
    • 2012-01-31
    • UNIV DONGGUK IND ACAD COOPKIM SUNG MINPARK KANG RYOUNGCHO SO RAPARK YOUNG HOSHIN KWANG YONGLEE HYEON CHANGLEE EUI CHULNAM GI PYOKOREA HEALTH INDUSTRY DEV INST
    • KIM SUNG MINPARK KANG RYOUNGCHO SO RAPARK YOUNG HOSHIN KWANG YONGLEE HYEON CHANGLEE EUI CHULNAM GI PYO
    • A61B5/055A61B6/03G06T5/00
    • G06T7/62A61B6/504G06T7/11G06T7/194G06T2207/30101
    • The present invention relates to a method for processing a blood vessel image comprising: i) an adaptive regional binarization step of dividing the image into regions, setting a critical value for each region based on an average value or a standard deviation value of image pixels within each of the regions, and then binarizing blood vessels and non-blood vessels based on the critical value; ii) a morphology calculation processing step of performing morphology calculation for correcting noise that is included in the image which has undergone the adaptive regional binarization; iii) a step of thinning for thinning the image which has undergone the morphology calculation and for extracting blood vessel lines; iv) a blood vessel direction and width measuring step of identifying the extracted blood vessels within each of the regions from the image which has undergone thinning, and measuring the width of the blood vessels by analyzing the gray profile of the blood vessels that is perpendicular to the direction of the blood vessels; and v) an adaptive Gabor filtering step of selectively applying the most appropriate Gabor filter to each of the regions by considering the direction and the width of the blood vessels, which are measured in step iv).
    • 本发明涉及一种用于处理血管图像的方法,包括:i)自适应区域二值化步骤,用于将图像划分为区域,基于图像像素的平均值或标准偏差值为每个区域设置临界值 每个区域,然后基于临界值二值化血管和非血管; ii)形态学计算处理步骤,执行用于校正已经经过适应性区域二值化的图像中包括的噪声的形态学计算; iii)使经过形态计算和提取血管线的图像变薄的变薄步骤; iv)从已经经历变薄的图像中识别每个区域内的提取的血管的血管方向和宽度测量步骤,并且通过分析与血管垂直的血管的灰色轮廓来测量血管的宽度 血管方向; 和v)通过考虑在步骤iv)中测量的血管的方向和宽度来选择性地将最合适的Gabor滤波器应用于每个区域的自适应Gabor滤波步骤。