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首页> 外文期刊>Physics in medicine and biology. >Image resampling effects in mammographic image simulation.
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Image resampling effects in mammographic image simulation.

机译:乳房X线图仿真中的图像重采样效应。

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This work describes the theory of resampling effects within the context of image simulation for mammographic images. The process of digitization associated with using digital imaging technology needs to be correctly addressed in any image simulation process. Failure to do so can lead to overblurring in the final synthetic image. A method for weighted neighbourhood averaging is described for non-integer scaling factors in resampling images. The use of the method is demonstrated by comparing simulated and real images of an edge test object acquired on two clinical mammography systems. Images were simulated using two setups: from idealized images and from images obtained with clinical systems. A Gaussian interpolation method is proposed as a single-step solution to modelling blurring filters for the simulation process.
机译:这项工作描述了在乳房X线图图像仿真的背景下重新采样效应理论。 在任何图像仿真过程中需要正确地解决与使用数字成像技术相关联的数字化过程。 未能这样做可以导致最终合成图像中的过度束缚。 用于重新采样图像中的非整数缩放因子来描述加权邻域平均的方法。 通过比较在两个临床乳房X线摄影系统上获得的边缘测试对象的模拟和实图像来证明该方法的使用。 使用两个设置模拟图像:从理想的图像以及用临床系统获得的图像。 提出了一种高斯插值方法作为对模拟过程建模模糊滤波器的单步解决方案。

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