评价外科摄影的图像质量:相机和拍摄条件的多变量分析。

IF 1 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Georgios Kourounis, Ali Ahmed Elmahmudi, Brian Thomson, Samuel J Tingle, Emily K Glover, Balaji Mahendran, Emily Thompson, Syed Hussain Abbas, Dhya Al-Leswas, Charlotte Brown, Mohamed Aly M El Shafei El Zawahry, Fanourios Georgiades, Stephen R Knight, Matta Kuzman, Ruth Owen, Emmanouil Psaltis, James Hunter, Hassan Ugail, Colin Wilson
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引用次数: 0

摘要

导读:使用高质量相机的移动设备扩大了医学摄影。我们研究了不同的设备和条件对手术环境中照片质量的影响。方法:来自6个中心的14位外科医生对捐献用于移植的肾脏的照片质量进行评分。在不同的光照条件下,使用iPhone、iPad或数码单反相机在自动模式下拍摄图像。在盲法A/B测试中,外科医生选择对远程器官质量评估更有临床意义的图像,并按5分李克特量表对每张图像进行评分。使用两种计算机视觉无参考质量评估工具(BRISQUE和NIMA)对质量进行客观分析。结果:在369张照片中,外科医生对移动设备图像质量的评价(78.4%)高于单反相机(9.4%)。这些发现应该让临床医生放心,智能手机设备不会影响照片质量,并支持它们在临床实践和图像分析研究中的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluating image quality in surgical photography: a multivariable analysis of cameras and shooting conditions.

Introduction: Use of mobile devices with high-quality cameras has expanded medical photography. We investigate the impact of different devices and conditions on photograph quality in a surgical setting.

Methods: Fourteen surgeons across six centres scored photograph quality of kidneys donated for transplantation. Images were captured using an iPhone, iPad, or DSLR camera on automatic modes under varying lighting conditions. In blinded A/B testing, surgeons selected the image perceived more clinically useful for remote organ quality assessment and rated each on a 5-point Likert scale. Quality was objectively analysed using two computer vision referenceless quality assessment tools (BRISQUE & NIMA).

Results: Of 369 photographs, mobile device images were rated higher quality by surgeons (78.4%) compared to DSLR (9.4%, p < 0.001). Multilevel regression using BRISQUE showed higher quality for iPhones (β = -5.86, p < 0.001) and iPads (β = -3.90, p < 0.001) versus DSLR. Room lighting improved quality over direct overhead illumination with theatre lights (β = 17.87, p < 0.001). Inter-rater (Gwet AC = 0.78) and intra-rater (Cohen's κ = 0.86) agreements were high.

Discussion: Smartphones can produce high quality photographs. These findings should reassure clinicians that smartphone devices do not compromise photograph quality and support their use in clinical practice and image analysis research.

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来源期刊
Journal of Visual Communication in Medicine
Journal of Visual Communication in Medicine RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
1.50
自引率
14.30%
发文量
34
期刊介绍: The Journal is a quarterly, international, peer-reviewed journal that acts as a vehicle for the interchange of information and ideas in the production, manipulation, storage and transport of images for medical education, records and research.
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