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首页> 外文期刊>Advanced Science Letters >Implant Magnification Algorithm for Biomedical Images in Digital Total Hip Arthroplasty Preoperative Planning
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Implant Magnification Algorithm for Biomedical Images in Digital Total Hip Arthroplasty Preoperative Planning

机译：数字化全髋关节置换术前计划中生物医学图像的植入物放大算法

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摘要

Magnification is a part of geometric transformation and is used to change the perceived size of an object, whether it be to enlarge it or to reduce it. Object magnification is typically used in computer graphics. This paper discusses the techniques and algorithms that can solve the problem of scaling in the medical field which involves the use of digital biomedical images and implants. In the medical field, scaling techniques are used by surgeons during preoperative planning. For the method of manual tinplating, the surgeon faces two different magnified image scales, namely, the X-ray scale and the implant (template) scale. To match the digital implant and X-ray images with the computer screen, the pixel ratio between computer display and the digital X-ray images of patients are generated using the resolution information and X-ray image pixel density. The pixel ratio is then used in a magnification algorithm to enlarge or reduce the size of a digital implant. The results show that digital implants can be accurately scaled using the implant magnification algorithm discussed in this paper. In addition, by using a digital implant with high resolution, X-ray image enlargement can be up to 100% successful without affecting the image of the digital implant.
机译：放大率是几何变换的一部分，用于更改对象的感知大小，无论是放大还是缩小。对象放大率通常用于计算机图形学中。本文讨论了可以解决涉及数字生物医学图像和植入物使用的医学领域缩放问题的技术和算法。在医学领域，外科医生在术前计划中使用了定标技术。对于手动镀锡的方法，外科医生面对两个不同的放大图像比例，即X射线比例和植入物（模板）比例。为了使数字植入物和X射线图像与计算机屏幕匹配，使用分辨率信息和X射线图像像素密度来生成计算机显示器和患者的数字X射线图像之间的像素比。然后，将像素比率用于放大算法中，以放大或缩小数字植入物的尺寸。结果表明，使用本文讨论的植入物放大算法可以精确缩放数字植入物。另外，通过使用具有高分辨率的数字植入物，X射线图像放大可以成功达到100％，而不会影响数字植入物的图像。

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