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    Subdividing color space for fast vector error diffusion
    1.
    发明授权
    Subdividing color space for fast vector error diffusion 有权
    细分色彩空间，用于快速矢量误差扩散

    公开(公告)号：US09041980B2

    公开(公告)日：2015-05-26

    申请号：US13745850

    申请日：2013-01-20

    Applicant: QUALCOMM Incorporated

    Inventor： Huanzhao Zeng ,  Chong U. Lee ,  John H. Hong

    IPC: H04N1/46 ,  H04N1/52 ,  H04N1/405

    CPC classification number: H04N1/52 ,  H04N1/405

    Abstract: Subdividing a color space is described for vector error diffusion which includes obtaining color coordinates for each primary color in the color space, and comparing the color coordinates to a threshold value for each coordinate plane of the color space. In response to the comparing, each primary color is grouped into a quadrant of the color space, wherein each quadrant is defined by the threshold value for each coordinate plane. In other aspects, a mapping a color to a closet primary color is described in a color space that includes a display determining color coordinates of the color and identifying a matching quadrant of a plurality of quadrants dividing the color space, wherein the determined color coordinates fall within the matching quadrant. A representative display device searches for the closest primary color within the matching quadrant and maps the color to the closest primary color found.

    Abstract translation: 针对向量误差扩散描述了细分颜色空间，其包括获得颜色空间中的每个基色的颜色坐标，以及将颜色坐标与颜色空间的每个坐标平面的阈值进行比较。 响应于比较，每个基色被分组成颜色空间的象限，其中每个象限由每个坐标平面的阈值定义。 在其他方面，在颜色空间中描述了将颜色映射到衣柜原色的颜色空间，其包括确定颜色的颜色坐标的显示器，并且识别划分颜色空间的多个象限的匹配象限，其中确定的颜色坐标下降 在匹配象限内。 代表性的显示设备搜索匹配象限内的最接近的原色，并将颜色映射到找到的最接近的原色。

    Calibrated hardware sensors for estimating real-world distances
    4.
    发明授权
    Calibrated hardware sensors for estimating real-world distances 有权
    用于估计真实距离的校准硬件传感器

    公开(公告)号：US09341471B2

    公开(公告)日：2016-05-17

    申请号：US14537852

    申请日：2014-11-10

    Applicant: QUALCOMM Incorporated

    Inventor： Sundeep Vaddadi ,  John H. Hong ,  Chong U. Lee

    IPC: G01B21/02 ,  G01B21/22 ,  G06F17/00 ,  G01S15/08 ,  G01C15/00 ,  G01S7/40 ,  G01S7/52 ,  G01S13/08 ,  G01B11/02 ,  G01B11/00

    CPC classification number: G01B21/02 ,  G01B11/00 ,  G01B11/02 ,  G01B11/026 ,  G01B11/028 ,  G01B21/22 ,  G01C15/002 ,  G01S7/4004 ,  G01S7/52004 ,  G01S13/08 ,  G01S15/08 ,  G06F17/00

    Abstract: In some embodiments, methods and systems are provided for assisting a user in determining a real-world distance. Hardware-based sensors (e.g., present in a mobile electronic device) may allow for a fast low-power determination of distances. In one embodiment, one or more telemetry-related sensors may be incorporated into a device. For example, data detected by a frequently-calibrated integrated accelerometer may be used to determine a tilt of the device. A device height may be estimated based on empirical data or based on a time difference between a signal (e.g., a sonar signal) emitted towards the ground and a corresponding detected signal. A triangulation technique may use the estimated tilt and height to estimate other real-world distances (e.g., from the device to an endpoint or between endpoints).

    Abstract translation: 在一些实施例中，提供了用于帮助用户确定真实世界距离的方法和系统。 基于硬件的传感器（例如，存在于移动电子设备中）可以允许对距离的快速低功率确定。 在一个实施例中，可以将一个或多个与遥测相关的传感器并入设备中。 例如，可以使用由经常校准的集成加速度计检测的数据来确定装置的倾斜度。 可以基于经验数据或者基于朝向地面发射的信号（例如，声纳信号）和相应的检测到的信号之间的时间差来估计设备高度。 三角测量技术可以使用估计的倾斜度和高度来估计其他真实距离（例如，从设备到端点或端点之间）。

    CALIBRATED HARDWARE SENSORS FOR ESTIMATING REAL-WORLD DISTANCES
    6.
    发明申请
    CALIBRATED HARDWARE SENSORS FOR ESTIMATING REAL-WORLD DISTANCES 有权
    用于估算真实世界距离的校准硬件传感器

    公开(公告)号：US20150066427A1

    公开(公告)日：2015-03-05

    申请号：US14537852

    申请日：2014-11-10

    Applicant: QUALCOMM INCORPORATED

    Inventor： Sundeep Vaddadi ,  John H. Hong ,  Chong U. Lee

    IPC: G01B21/02 ,  G01B21/22

    CPC classification number: G01B21/02 ,  G01B11/00 ,  G01B11/02 ,  G01B11/026 ,  G01B11/028 ,  G01B21/22 ,  G01C15/002 ,  G01S7/4004 ,  G01S7/52004 ,  G01S13/08 ,  G01S15/08 ,  G06F17/00

    Abstract: In some embodiments, methods and systems are provided for assisting a user in determining a real-world distance. Hardware-based sensors (e.g., present in a mobile electronic device) may allow for a fast low-power determination of distances. In one embodiment, one or more telemetry-related sensors may be incorporated into a device. For example, data detected by a frequently-calibrated integrated accelerometer may be used to determine a tilt of the device. A device height may be estimated based on empirical data or based on a time difference between a signal (e.g., a sonar signal) emitted towards the ground and a corresponding detected signal. A triangulation technique may use the estimated tilt and height to estimate other real-world distances (e.g., from the device to an endpoint or between endpoints).

    Abstract translation: 在一些实施例中，提供了用于帮助用户确定真实世界距离的方法和系统。 基于硬件的传感器（例如，存在于移动电子设备中）可以允许对距离的快速低功率确定。 在一个实施例中，可以将一个或多个与遥测相关的传感器并入设备中。 例如，可以使用由经常校准的集成加速度计检测的数据来确定装置的倾斜度。 可以基于经验数据或者基于朝向地面发射的信号（例如，声纳信号）和相应的检测到的信号之间的时间差来估计设备高度。 三角测量技术可以使用估计的倾斜度和高度来估计其他真实距离（例如，从设备到端点或端点之间）。

    See through near-eye display
    7.
    发明授权
    See through near-eye display 有权

    公开(公告)号：US10073201B2

    公开(公告)日：2018-09-11

    申请号：US13662251

    申请日：2012-10-26

    Applicant: QUALCOMM Incorporated

    Inventor： Jian J. Ma ,  John H. Hong ,  Tallis Y. Chang ,  Chong U. Lee ,  Robert Sean Daley ,  Frederick D. Kim

    IPC: G02B5/18 ,  G02B27/01

    CPC classification number: G02B5/1885 ,  G02B27/0172 ,  G02B2027/0174

    Abstract: The various embodiments include a near-eye display having a transmissive display and a diffractive micro-lens array. The transmissive display may be positioned relative to the diffractive micro-lens array so that the distance between the transmissive display and the diffractive micro-lens array is be approximately equal to focal length of the diffractive micro-lens array. The transmissive display may also be positioned relative to the diffractive micro-lens array so that a percentage of light emitted from the transmissive display is diffracted by the micro-lens array and collimated into focus on a retina of a human eye. The transmissive display may be further positioned relative to the diffractive micro-lens array so that light from a real world scene passes through transparent portions of the transmissive display and is diffracted by the micro-lens array out of focus of the human eye.

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