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    • 5. 发明申请
    • IMAGE CAPTURE CONTROL FOR IN VIVO AUTONOMOUS CAMERA
    • 自动摄像机的图像捕获控制
    • US20090322865A1
    • 2009-12-31
    • US12543508
    • 2009-08-19
    • Kang-Huai WangTong Wu
    • Kang-Huai WangTong Wu
    • H04N7/18H04N5/228
    • H04N5/232A61B1/00009A61B1/00016A61B1/0002A61B1/00029A61B1/00032A61B1/00036A61B1/041A61B1/0684A61B5/0031A61B5/01A61B5/03A61B5/073A61B5/14539A61B5/7232H04N19/105H04N19/137H04N19/172H04N19/423H04N2005/2255
    • Systems and methods are provided for motion detection and capture control of video data from a capsule camera system having an on-board storage. The capsule camera system moves through the GI tract under the action of peristalsis and records images of the intestinal walls. The capsule's movement is episodic and jerky. The capacity of the on-board storage is limited. In order to avoid unnecessary capture of images when the capsule camera moves very slowly or stalls, motion detection technique is utilized to help control image capture. Furthermore, an adaptive capture control is disclosed that automatically adjusts the threshold level of capture control to maintain proper image capture. The invented capture control also conserves precious battery power by eliminating capture of unnecessary images when the capsule camera moves too slowly or stalls. The present invention of image capture control and threshold update is also applicable to a capsule camera system having a wireless transmitter instead of an on-board storage.
    • 提供了系统和方法用于具有车载存储的胶囊相机系统的视频数据的运动检测和捕获控制。 胶囊相机系统在蠕动作用下通过胃肠道移动,并记录肠壁的图像。 胶囊的运动是偶然和剧烈的。 机载存储的容量有限。 为了避免在胶囊相机移动非常缓慢或停止时不必要地捕获图像,运动检测技术被用于帮助控制图像捕获。 此外,公开了自适应捕获控制,其自动调整捕获控制的阈值水平以保持适当的图像捕获。 本发明的捕获控制还通过在胶囊相机移动太慢或失速时消除不必要的图像的捕获来节省宝贵的电池电量。 图像捕获控制和阈值更新的本发明也适用于具有无线发射器而不是机载存储的胶囊相机系统。
    • 7. 发明授权
    • Method and apparatus for determining an optical signal-to-noise ratio (OSNR) penalty
    • 用于确定光信噪比(OSNR)罚分的方法和装置
    • US08909041B2
    • 2014-12-09
    • US13486821
    • 2012-06-01
    • Yabin YeTong WuSen Zhang
    • Yabin YeTong WuSen Zhang
    • H04B10/00H04B10/079
    • H04B10/07953
    • A method for determining an optical signal-to-noise ratio penalty as a measure for a quality of an optical signal transmitted via an optical link between a source optical node and a destination optical node in an optical network, the method includes collecting information of the optical link; determining a configuration parameter Pconf of the optical link based on the information of the optical link; adjusting the configuration parameter Pconf to an adjusted configuration parameter P′conf according to linear impairments in the optical link; and determining the optical signal-to-noise ratio penalty based on a non-linear function of the adjusted configuration parameter P′conf, the non-linear function accounting for non-linear impairments in the optical link.
    • 一种用于确定光信噪比损失的方法,用作通过光网络中的源光节点和目的地光节点之间的光链路传输的光信号的质量的量度,所述方法包括: 光链路; 基于所述光链路的信息确定所述光链路的配置参数Pconf; 根据光链路中的线性损伤将配置参数Pconf调整到经调整的配置参数P'conf; 以及基于所调整的配置参数P'conf的非线性函数来确定所述光信噪比损失,所述非线性函数考虑所述光链路中的非线性损伤。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING AN OPTICAL SIGNAL-TO-NOISE RATIO (OSNR) PENALTY
    • 用于确定光信号噪声比(OSNR)罚款的方法和装置
    • US20130028597A1
    • 2013-01-31
    • US13486821
    • 2012-06-01
    • Yabin YeTong WuSen Zhang
    • Yabin YeTong WuSen Zhang
    • H04B10/08
    • H04B10/07953
    • A method for determining an optical signal-to-noise ratio penalty as a measure for a quality of an optical signal transmitted via an optical link between a source optical node and a destination optical node in an optical network, the method includes collecting information of the optical link; determining a configuration parameter Pconf of the optical link based on the information of the optical link; adjusting the configuration parameter Pconf to an adjusted configuration parameter P′conf according to linear impairments in the optical link; and determining the optical signal-to-noise ratio penalty based on a non-linear function of the adjusted configuration parameter P′conf, the non-linear function accounting for non-linear impairments in the optical link.
    • 一种用于确定光信噪比损失的方法,用作通过光网络中的源光节点和目的地光节点之间的光链路传输的光信号的质量的量度,所述方法包括: 光链路; 基于所述光链路的信息确定所述光链路的配置参数Pconf; 根据光链路中的线性损伤将配置参数Pconf调整到经调整的配置参数P'conf; 以及基于所调整的配置参数P'conf的非线性函数来确定所述光信噪比损失,所述非线性函数考虑所述光链路中的非线性损伤。
    • 10. 发明授权
    • Image capture control for in vivo autonomous camera
    • 用于体内自主摄像机的图像捕获控制
    • US07792344B2
    • 2010-09-07
    • US12543508
    • 2009-08-19
    • Kang-Huai WangTong Wu
    • Kang-Huai WangTong Wu
    • G06K9/00
    • H04N5/232A61B1/00009A61B1/00016A61B1/0002A61B1/00029A61B1/00032A61B1/00036A61B1/041A61B1/0684A61B5/0031A61B5/01A61B5/03A61B5/073A61B5/14539A61B5/7232H04N19/105H04N19/137H04N19/172H04N19/423H04N2005/2255
    • Systems and methods are provided for motion detection and capture control of video data from a capsule camera system having an on-board storage. The capsule camera system moves through the GI tract under the action of peristalsis and records images of the intestinal walls. The capsule's movement is episodic and jerky. The capacity of the on-board storage is limited. In order to avoid unnecessary capture of images when the capsule camera moves very slowly or stalls, motion detection technique is utilized to help control image capture. Furthermore, an adaptive capture control is disclosed that automatically adjusts the threshold level of capture control to maintain proper image capture. The invented capture control also conserves precious battery power by eliminating capture of unnecessary images when the capsule camera moves too slowly or stalls. The present invention of image capture control and threshold update is also applicable to a capsule camera system having a wireless transmitter instead of an on-board storage.
    • 提供了系统和方法用于具有车载存储的胶囊相机系统的视频数据的运动检测和捕获控制。 胶囊相机系统在蠕动作用下通过胃肠道移动,并记录肠壁的图像。 胶囊的运动是偶然和剧烈的。 机载存储的容量有限。 为了避免在胶囊相机移动非常缓慢或停止时不必要地捕获图像,运动检测技术被用于帮助控制图像捕获。 此外,公开了自适应捕获控制,其自动调整捕获控制的阈值水平以保持适当的图像捕获。 本发明的捕获控制还通过在胶囊相机移动太慢或失速时消除不必要的图像的捕获来节省宝贵的电池电量。 图像捕获控制和阈值更新的本发明也适用于具有无线发射器而不是机载存储的胶囊相机系统。