首页> 外文会议>Image Processing pt.3; Progress in Biomedical Optics and Imaging; vol.7 no.30 >Simulating nodules in chest radiographs with real nodules from multi-slice CT images
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Simulating nodules in chest radiographs with real nodules from multi-slice CT images

机译:用多层CT图像中的真实结节模拟胸部X光片中的结节

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摘要

To improve the detection of nodules in chest radiographs, large databases of chest radiographs with annotated, proven nodules are needed for training of both radiologists and computer-aided detection systems. The construction of such databases is a laborious and time-consuming task. This study presents a novel technique to produce large amounts of chest x-rays with annotated, simulated nodules. Realistic nodules in radiographs are generated using real nodules segmented from CT images. Results from an observer study indicate that the simulated nodules can not be distinguished from real nodules. This method has great potential to aid the development of automated detection systems and to generate teaching files for human observers.
机译:为了改善对胸部X光片中结节的检测,需要大量的带有注释的,经证实的结核的胸部X光片数据库来培训放射科医生和计算机辅助检测系统。这样的数据库的构建是费力且费时的任务。这项研究提出了一种新技术,可产生大量带有注释的模拟结节的胸部X光片。 X射线照片中的真实结节是使用从CT图像分割出来的真实结节生成的。观察者研究的结果表明,无法将模拟结核与真实结核区分开。该方法具有巨大的潜力,可以帮助开发自动检测系统并为人类观察者生成教学文件。

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