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COMPUTER BASED ANALYSIS OF MRI IMAGES

机译:基于计算机的MRI图像分析

摘要

A method for computer based analysis of a low field MR image including a trabecular region of bone for extracting from said image diagnostic information by applying a trained statistical classifier which has been trained on similar labelled according to the severity of a trabecular bone altering disease suffered at the time or later. For each image in the training set a region of interest (ROI) is defined, textural information relating to the intensities of voxels within the ROI is obtained, and combinations of features of said textural information are found which suitably classify the images according to said labelling. An image under study is treated similarly and features of said textural information for the voxels within the ROI of the image are combined as learnt in the training of the classifier to estimate a level of said trabecular bone altering disease or propensity to develop said bone altering disease or a level thereof associated with said image.
机译:一种通过计算机对包括骨骼的小梁区域的低场MR图像进行基于计算机的分析的方法,以通过应用训练有素的统计分类器从所述图像诊断信息中提取,该分类器已经根据在小梁上发生的小梁骨改变疾病的严重程度进行了类似的标记时间或更晚。对于训练集中的每个图像,定义感兴趣区域(ROI),获得与ROI内体素的强度有关的纹理信息,并且找到所述纹理信息的特征的组合,其根据所述标记适当地对图像进行分类。 。对研究中的图像进行类似处理,并根据分类器训练中的知识,将图像的ROI内体素的所述纹理信息的特征进行组合,以估算所述小梁骨改变疾病的水平或发生所述骨改变疾病的倾向或与所述图像相关联的级别。

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