一种新型非接触式交互式医学图像查看系统

Chen Geng, Jian Yang, Tong Li, Yongtian Wang
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引用次数: 0

摘要

目前,摄影胶片是医院观看医学影像最常用的媒介。然而,由于数字化医学图像需要先在照相胶片上打印,这种观看方式的使用极为有限。为了清晰地观察解剖结构,还需要均匀的白光光源。本文开发了一种新型的交互式非接触式多模态医学图像观测系统。该系统定义了一系列手势,利用深度传感器捕获红外激光的散斑图案,照射到系统前方的人身上。通过分析深度照片的形态图谱,可以实时获得被捕获图像的三维结构和运动。然后,通过不同的手势调节,可以实现对医学图像的变换、对比度调整、体绘制等各种操作。该系统实现了直接使用数字化图像对医学图像进行灵活的观察,大大降低了临床诊断的费用。系统不需要与介质有任何接触。因此,它可以被医生用于临床手术。
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A novel non-contact interactive medical image viewing system
Currently, photographic film is the most commonly used medium for viewing medical images in hospitals. However, as digitalized medical images need to be printed on photographic film first, such kind of viewing pattern has an extremely limited use A homogeneous white light source is also needed to observe the anatomic structure clearly. Such observation pattern is very limited to the circumstances in which it is used In this paper, a novel interactive non-contact system is developed to observe multimodal medical images. For this system, a series of gestures is defined, and a depth sensor is used to capture the speckle pattern of infrared laser, which irradiates to the person in front of the system By analyzing the morphologic atlas of the depth photo, the 3-D structure and the motion of the captured image can be obtained in real time. Then, all kinds of operations on medical images, including transformation, contrast adjustment, volume rendering, can be achieved through different gesture regulations. The system developed realizes flexible observation of medical images using digitalized images directly, which greatly reduces expenses for the clinical diagnosis. The system does not need any contact with the medium. Therefore, it can be utilized by doctors doing clinical surgery.
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