• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>International conference on graphic and image processing >Estimating 3D Topographic Map of Optic Nerve Head from a Single Fundus Image
【24h】

Estimating 3D Topographic Map of Optic Nerve Head from a Single Fundus Image

机译：从单个眼底图像估计视神经头的3D地形图

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Optic nerve head also called optic disc is the distal portion of optic nerve locating and clinically visible on the retinal surface. It is a 3 dimensional elliptical shaped structure with a central depression called the optic cup. This shape of the ONH and the size of the depression can be varied due to different retinopathy or angiopathy, therefore the estimation of topography of optic nerve head is significant for assisting diagnosis of those retinal related complications. This work describes a computer vision based method, i.e. shape from shading (SFS) to recover and visualize 3D topographic map of optic nerve head from a normal fundus image. The work is expected helpful for assessing those complications associated the deformation of optic nerve head such as glaucoma and diabetes. The illumination is modelled as uniform over the area around optic nerve head and its direction estimated from the available image. The Tsai discrete method has been employed to recover the 3D topographic map of the optic nerve head. The initial experimental result demonstrates our approach works on most of fundus images and provides a cheap, but good alternation for rendering and visualizing the topographic information of the optic nerve head for potential clinical use.
机译：视神经头也称为视盘，是视神经的远端部分，临床上在视网膜表面可见。它是一个3维椭圆形结构，带有一个称为光学杯的中央凹陷。由于不同的视网膜病变或血管病变，ONH的形状和凹陷的大小可能会有所不同，因此，视神经乳头的地形估计对于协助诊断与视网膜相关的并发症非常重要。这项工作描述了一种基于计算机视觉的方法，即从阴影形成形状（SFS）以从正常眼底图像恢复和可视化视神经乳头的3D地形图。预期这项工作将有助于评估与视神经头变形有关的那些并发症，例如青光眼和糖尿病。在视神经头周围区域将照明建模为均匀的，并根据可用图像估算其方向。 Tsai离散方法已用于恢复视神经头的3D地形图。初步的实验结果表明，我们的方法适用于大多数眼底图像，并提供了一种廉价但良好的替代方法，用于渲染和可视化视神经乳头的地形信息，以用于潜在的临床用途。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号