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    Robust Eye Tracking for Scanning Laser Ophthalmoscope
    5.
    发明申请
    Robust Eye Tracking for Scanning Laser Ophthalmoscope 审中-公开
    坚固的眼睛跟踪扫描激光眼镜

    公开(公告)号：US20170004344A1

    公开(公告)日：2017-01-05

    申请号：US14791088

    申请日：2015-07-02

    申请人： CANON KABUSHIKI KAISHA ,  UNIVERSITY OF ROCHESTER

    发明人： Koji Nozato ,  Kenichi Saito ,  Qiang Yang ,  Jie Zhang

    IPC分类号： G06K9/00 ,  G06K9/52 ,  G06T7/20 ,  H04N5/232 ,  G06T7/00 ,  G06K9/46

    CPC分类号： H04N5/23222 ,  A61B3/1025 ,  A61B3/113 ,  A61B3/12 ,  A61B3/14 ,  G06K9/00604 ,  G06K9/2054 ,  G06K9/522 ,  G06K2209/05 ,  G06T7/248 ,  G06T2207/30041 ,  H04N5/2258

    摘要： A system, apparatus, and method of obtaining an image of a fundus. Acquiring a reference image of the fundus at a first point in time. Acquiring a target image of the fundus at a second point in time. The target imaging area may overlap with the reference imaging area. An area of the target imaging area may be less than an area of the reference imaging area. Estimating movement of the fundus may be based upon at least the target image and the reference image. Acquiring a narrow field image of the fundus. An area of the narrow field imaging area may be less than the area of the target imaging area. A position of the narrow imaging area on the fundus may be adjusted based on the estimated movement of the fundus.

    摘要翻译： 一种获得眼底图像的系统，装置和方法。 在第一时间点获取眼底的参考图像。 在第二个时间点获取眼底的目标图像。 目标成像区域可能与参考成像区域重叠。 目标成像区域的区域可以小于参考成像区域的面积。 估计眼底的运动可以至少基于目标图像和参考图像。 获得眼底狭窄的形象。 窄场成像区域的区域可以小于目标成像区域的面积。 可以根据估计的眼底移动来调整眼底狭窄成像区域的位置。

    Image based correction of distortion from a scanner
    6.
    发明授权
    Image based correction of distortion from a scanner 有权
    基于图像校正来自扫描仪的失真

    公开(公告)号：US09485383B2

    公开(公告)日：2016-11-01

    申请号：US14096902

    申请日：2013-12-04

    申请人： CANON KABUSHIKI KAISHA ,  University of Rochester

    发明人： Koji Nozato ,  Qiang Yang

    IPC分类号： H04N1/047 ,  H04N1/04

    CPC分类号： H04N1/047 ,  H04N1/04 ,  H04N2201/04789

    摘要： System, method, and non-transitory computer readable medium encoded with instructions for imaging an object. Dividing raw data into forward scan data and backward scan data. Reversing the order of the backward scan data to produce inverted backward scan data. Determining an offset value that is associated with a maximum value of a first function based on the forward scan data and the inverted backward scan data. The forward scan data is shifted by the offset value relative to the inverted backward scan data. Producing a first image of the object that comprises the forward scan data interlaced with the inverted backward scan data. The forward scan data is shifted by the offset value relative to the inverted backward scan data.

    摘要翻译： 用用于成像对象的指令编码的系统，方法和非暂时计算机可读介质。 将原始数据划分为正向扫描数据和反向扫描数据。 反转反向扫描数据的顺序产生反向反向扫描数据。 基于前向扫描数据和反向反向扫描数据确定与第一功能的最大值相关联的偏移值。 前向扫描数据相对于反向反向扫描数据偏移偏移值。 产生包含与反向反向扫描数据隔行扫描前向数据的对象的第一图像。 正向扫描数据相对于反向反向扫描数据偏移偏移值。

    Light source modulation for a scanning microscope
    7.
    发明授权
    Light source modulation for a scanning microscope 有权
    扫描显微镜的光源调制

    公开(公告)号：US09254083B2

    公开(公告)日：2016-02-09

    申请号：US14099700

    申请日：2013-12-06

    申请人： CANON KABUSHIKI KAISHA ,  University of Rochester

    发明人： Koji Nozato ,  Qiang Yang

    IPC分类号： A61B3/14 ,  A61B3/12 ,  A61B3/13

    CPC分类号： A61B3/12 ,  A61B3/13

    摘要： Systems, method, and non-transitory computer readable medium for imaging an object. The system includes a scanner. The scanner positions a spot of light from a light source on the object along a scanning path. The scanning path includes a plurality of scan lines. The spot moves along the scanning path at a scanning velocity. The scanning velocity is not constant. The intensity of the spot of light is modulated as a function of the scanning velocity. The system includes a detector that is arranged to output data associated with positions along the scanning path. The system includes one or more processors that perform calculations. Pixels are calculated based on the output data. The image is constructed of the object based on the pixels.

    摘要翻译： 用于成像对象的系统，方法和非暂时计算机可读介质。 该系统包括扫描仪。 扫描仪沿着扫描路径将来自光源的光点定位在物体上。 扫描路径包括多条扫描线。 斑点以扫描速度沿着扫描路径移动。 扫描速度不是恒定的。 光点的强度作为扫描速度的函数进行调制。 该系统包括检测器，其被布置成输出与沿着扫描路径的位置相关联的数据。 该系统包括执行计算的一个或多个处理器。 基于输出数据计算像素。 该图像由基于像素的对象构成。

    Aberration correcting method and aberration correcting apparatus
    8.
    发明授权
    Aberration correcting method and aberration correcting apparatus 有权
    畸变校正方法和像差校正装置

    公开(公告)号：US09277858B2

    公开(公告)日：2016-03-08

    申请号：US14133364

    申请日：2013-12-18

    申请人： CANON KABUSHIKI KAISHA

    发明人： Koji Nozato ,  Kohei Takeno

    IPC分类号： A61B3/14 ,  A61B3/10 ,  A61B3/12

    CPC分类号： A61B3/102 ,  A61B3/1015 ,  A61B3/12 ,  A61B3/14

    摘要： Aberration is measured as phase information at each of a plurality of aberration measurement points, and at the time of correcting the aberration with correction pixels of an aberration correction unit of which the number is greater than the number of the plurality of aberration measurement points, correction pixels corresponding to each aberration measurement point are driven based on the phase information. Regarding correction pixels not positionally corresponding to the aberration measurement points, the aberration correction unit is driven based on phase information in the vicinity of this correction pixel.

    摘要翻译： 在多个像差测量点中的每一个测量点处测量像差相位信息，并且在校正像差的校正像素时，该像差校正单元的数量大于多个像差测量点的数量，校正 基于相位信息驱动对应于每个像差测量点的像素。 关于与像差测量点不是位置对应的校正像素，基于该校正像素附近的相位信息来驱动像差校正单元。

    Aberration correction method and aberration correction apparatus
    9.
    发明授权
    Aberration correction method and aberration correction apparatus 有权
    畸变校正方法和像差校正装置

    公开(公告)号：US08888283B2

    公开(公告)日：2014-11-18

    申请号：US13755331

    申请日：2013-01-31

    申请人： Canon Kabushiki Kaisha

    发明人： Koji Nozato

    IPC分类号： A61B3/10 ,  A61B3/00

    CPC分类号： A61B3/10 ,  A61B3/14

    摘要： To increase the speed of aberration correction, provided is an aberration correction method, including: a step of selecting a first polarized component of reflected light obtained by irradiating an object to be inspected with measuring light; a step of measuring an aberration of the first polarized component; a step of correcting the aberration of the first polarized component by controlling a first aberration correction unit in accordance with a measured value of the aberration of the first polarized component; and a step of correcting, in a case where a value of the aberration corrected in the first aberration correcting step is smaller than a predetermined value, an aberration of a second polarized component of the reflected light, which is different from the first polarized component, by controlling a second aberration correction unit based on a control for the first aberration correction unit in the case.

    摘要翻译： 为了提高像差校正的速度，提供了一种像差校正方法，包括：选择通过用测量光照射被检测物体而获得的反射光的第一偏振分量的步骤; 测量第一偏振分量的像差的步骤; 通过根据第一偏振分量的像差的测量值控制第一像差校正单元来校正第一偏振分量的像差的步骤; 以及在第一像差校正步骤中校正的像差的值小于预定值的情况下校正与第一偏振分量不同的反射光的第二偏振分量的像差的步骤， 通过在这种情况下基于第一像差校正单元的控制来控制第二像差校正单元。

    Fundus imaging apparatus and method
    10.
    发明授权
    Fundus imaging apparatus and method 有权

    公开(公告)号：US09788719B2

    公开(公告)日：2017-10-17

    申请号：US13767096

    申请日：2013-02-14

    申请人： CANON KABUSHIKI KAISHA

    发明人： Tomoyuki Makihira ,  Kazuhide Miyata ,  Koji Nozato

    IPC分类号： A61B3/14 ,  A61B3/10

    CPC分类号： A61B3/14 ,  A61B3/1025

    摘要： In order to suppress a load on a subject when a fundus is irradiated with multiple beams, a fundus imaging apparatus for forming an image of a first area in the object, includes: a determination unit for determining a second area other than the first area in the object to be inspected; a detection unit for detecting moving of the object to be inspected on the basis of return light from the second area, which is irradiated with second light; a correction unit for correcting the first area on the basis of the detected moving; and a forming unit for forming an image of the object to be inspected on the basis of the return light from the corrected first area, which is irradiated with the first light.