利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

14 条记录 (耗时 0.019 秒)

    METHODS AND SYSTEMS FOR DETECTING PERIPAPILLARY ATROPHY
    2.
    发明申请
    METHODS AND SYSTEMS FOR DETECTING PERIPAPILLARY ATROPHY 审中-公开
    检测周期性ATROPHY的方法和系统

    公开(公告)号：US20130222767A1

    公开(公告)日：2013-08-29

    申请号：US13651309

    申请日：2012-10-12

    申请人： Jun CHENG ,  Jiang LIU ,  Wing Kee Damon WONG ,  Ngan Meng TAN ,  Seang Mei SAW ,  Tien Yin WONG

    发明人： Jun CHENG ,  Jiang LIU ,  Wing Kee Damon WONG ,  Ngan Meng TAN ,  Seang Mei SAW ,  Tien Yin WONG

    IPC分类号： A61B3/14

    CPC分类号： A61B3/14 ,  G06T7/0012 ,  G06T2207/20081 ,  G06T2207/30041

    摘要： A method is presented for deciding whether an eye exhibits peripapillary atrophy (PPA). It includes a preliminary step of extracting from an image of the eye a region-of-interest which would be affected if the eye exhibits peripapillary atrophy, which is a region which surrounds the optic disc, and then processing the region in a way which mimics the processing of the cortex, to derive a plurality of numerical measures (biologically-inspired features, BIF). A decision step is then performed using the BIF, for example using an adaptive system which has been subject to a supervised learning process. Preferably, the region-of-interest is partitioned into a plurality of sub-regions, and the BIF are derived as a corresponding plurality of numerical measures for each of the sub-regions. The BIF preferably include intensity units which take values indicative of centre-surround intensity difference; and colour units which take values indicative of centre-surround difference in a parameter characterizing colour in the image. Further, the BIF preferably include direction-specific units.

    摘要翻译： 提出了一种用于确定眼睛是否出现纤维周围萎缩（PPA）的方法。 它包括从眼睛的图像中提取一个感兴趣区域的初步步骤，如果眼睛显示围绕视盘的区域的眼周围萎缩，然后以模仿的方式处理该区域 处理皮质，得出多个数值测量（生物启发特征，BIF）。 然后使用BIF执行决定步骤，例如使用已经受监督学习过程的自适应系统。 优选地，感兴趣区域被划分为多个子区域，并且BIF被导出为每个子区域的对应的多个数字测量。 BIF优选地包括获取指示中心 - 环绕强度差的值的强度单位; 以及在图像中表征颜色的参数中获取指示中心 - 环绕差异的值的颜色单元。 此外，BIF优选地包括方向特定单元。

    OBTAINING DATA FOR AUTOMATIC GLAUCOMA SCREENING, AND SCREENING AND DIAGNOSTIC TECHNIQUES AND SYSTEMS USING THE DATA
    4.
    发明申请
    OBTAINING DATA FOR AUTOMATIC GLAUCOMA SCREENING, AND SCREENING AND DIAGNOSTIC TECHNIQUES AND SYSTEMS USING THE DATA 有权
    获取用于自动GLAUCOMA筛选的数据，以及使用数据的筛选和诊断技术和系统

    公开(公告)号：US20120230564A1

    公开(公告)日：2012-09-13

    申请号：US13510290

    申请日：2010-11-16

    申请人： Jiang Liu ,  Zhuo Zhang ,  Wing Kee Damon Wong ,  Ngan Meng Tan ,  Fengshou Yin ,  Beng Hai Lee ,  Huiqi Li ,  Joo Hwee Lim ,  Carol Cheung ,  Tin Aung ,  Tien Yin Wong ,  Ziyang Liang ,  Jun Cheng ,  Baskaran Mani

    发明人： Jiang Liu ,  Zhuo Zhang ,  Wing Kee Damon Wong ,  Ngan Meng Tan ,  Fengshou Yin ,  Beng Hai Lee ,  Huiqi Li ,  Joo Hwee Lim ,  Carol Cheung ,  Tin Aung ,  Tien Yin Wong ,  Ziyang Liang ,  Jun Cheng ,  Baskaran Mani

    IPC分类号： G06K9/46

    CPC分类号： A61B3/0025 ,  A61B3/12 ,  A61B5/02007 ,  A61B5/7264 ,  A61B5/7267 ,  A61B5/7275 ,  G06T7/0012 ,  G06T7/40 ,  G06T2207/30041

    摘要： A non-stereo fundus image is used to obtain a plurality of glaucoma indicators. Additionally, genome data for the subject is used to obtain genetic marker data relating to one or more genes and/or SNPs associated with glaucoma. The glaucoma indicators indicators and genetic marker data are input into an adaptive model operative to generate an output indicative of a risk of glaucoma in the subject. In combination, the genetic indicators and genome data are more informative about the risk of glaucoma than either of the two in isolation. The adaptive model may be a two-stage model, having a first stage in which individual genetic indicators are combined with respective portions of the genome data by first adaptive model modules to form respective first outputs, and a second stage in which the first outputs are combined by a second adaptive mode. Texture analysis is performed on the fundus images to classify them based on their quality, and only images which are determined to meet a quality criterion are subjected to an analysis to determine if they exhibit glaucoma indicators. Also, the images are put into a standard format. The system may include estimating the position of the optic cup by combining results from multiple optic cup segmentation techniques. The system may include estimating the position of the optic disc by applying edge detection to the funds image, excluding edge points that are unlikely to be optic disc boundary points, and estimating the position of an optic disc by fitting an ellipse to the remaining edge points.

    摘要翻译： 使用非立体眼底图像来获得多个青光眼指示符。 此外，用于受试者的基因组数据用于获得与与青光眼相关的一个或多个基因和/或SNP相关的遗传标记数据。 青光眼指标指标和遗传标记数据被输入到适应模型中，该模型用于产生指示受试者青光眼风险的输出。 综合来看，遗传指标和基因组数据对于青光眼的风险比孤立的两者之一更有信息。 自适应模型可以是两阶段模型，其具有第一阶段，其中通过第一自适应模型模块将个体遗传指标与基因组数据的相应部分组合以形成相应的第一输出，第二阶段中，第一输出是 通过第二自适应模式组合。 对眼底图像进行纹理分析，根据其质量对其进行分类，仅对满足质量标准的图像进行分析，以确定其是否呈现青光眼指标。 此外，图像被放入标准格式。 该系统可以包括通过组合来自多个光学杯分割技术的结果来估计光学杯的位置。 该系统可以包括通过对资金图像应用边缘检测来估计视盘的位置，不包括不太可能是视盘边界点的边缘点，以及通过将椭圆拟合到剩余边缘点来估计视盘的位置 。