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    • 7. 发明申请
    • Surface reconstruction and registration with a Helmholtz reciprocal image pair
    • 用Helmholtz倒数图像对进行表面重建和配准
    • US20050074162A1
    • 2005-04-07
    • US10678244
    • 2003-10-03
    • Peter TuJames MillerPaulo MendoncaJames Ross
    • Peter TuJames MillerPaulo MendoncaJames Ross
    • G01B11/24G01B11/245G06K9/00G06T1/00G06T7/00G06T7/60
    • G06T7/593G06T7/507G06T7/74G06T7/80
    • A method of image reconstruction comprising: obtaining a Helmholtz reciprocal pair of images of an object, the images comprising a first image and a corresponding reciprocal image; determining an imaging geometry associated with the obtaining; selecting a plurality of points in the first image and identifying corresponding candidate points in the corresponding reciprocal image; matching a selected point of the plurality of points and a candidate point of the corresponding candidate points. A method of image registration with an object comprising: obtaining a Helmholtz reciprocal pair of images of an object, the Helmholtz reciprocal pair of images comprising a first image and a corresponding reciprocal image; estimating a pose for the object; predicting an estimated image corresponding to the pose and one image of the reciprocal pair of images; comparing the estimated image with a corresponding actual image from the pair of images; and refining the estimating a pose based on the comparing.
    • 一种图像重建方法,包括:获得对象的亥姆霍兹倒数对图像,所述图像包括第一图像和相应的倒数图像; 确定与所述获取相关联的成像几何; 选择所述第一图像中的多个点并识别所述对应的倒数图像中的相应候选点; 匹配多个点中的选定点和相应候选点的候选点。 一种用对象进行图像配准的方法,包括:获得对象的亥姆霍兹倒数对图像,所述亥姆霍兹倒数对图像包括第一图像和对应的倒数图像; 估计物体的姿势; 预测对应于所述姿势的估计图像和所述倒数对图像的一个图像; 将估计图像与来自该对图像的对应实际图像进行比较; 并根据比较精化估计姿势。
    • 9. 发明申请
    • Circuits and methods for artifact elimination
    • 电路和消除方法
    • US20070178579A1
    • 2007-08-02
    • US11511794
    • 2006-08-29
    • James RossEdgar BrownRichard BlumStephen DeWeerth
    • James RossEdgar BrownRichard BlumStephen DeWeerth
    • C12M1/36C12M1/00C12Q1/00C12M1/38A61B5/05
    • G01N37/00A61B5/04A61B5/04001A61B5/7217A61N1/3605A61N1/3704G01N33/4836
    • Disclosed are apparatus and methods that provide the ability to electrical stimulate a physical system, and actively eliminate interference with signal acquisition (artifacts) that arises from the stimulation. The technique implemented in the circuits and methods for eliminating interference connects a discharge path to a physical interface to the system to remove charge that is built-up during stimulation. By placing the discharge path in a feedback loop that includes a recording preamplifier and AC-coupling circuitry, the physical interface is brought back to its pre-stimulation offset voltage. The disclosed apparatus and methods may be used with piezoelectric transducers, ultrasound devices, optical diodes, and polarizable and non-polarizable electrodes. The disclosed apparatus can be employed in implantable devices, in vitro or in vivo setups with vertebrate and invertebrate neural tissue, muscle fibers, pancreatic islet cells, osteoblasts, osteoclasts, bacteria, algae, fungi, protists, and plants.
    • 公开了提供电刺激物理系统的能力的装置和方法,并且主动地消除由刺激产生的信号采集(伪影)的干扰。 在电路中实现的技术和消除干扰的方法将放电路径连接到系统的物理接口,以去除在刺激期间积累的电荷。 通过将放电路径放置在包括记录前置放大器和AC耦合电路的反馈回路中,物理接口被带回其预刺激偏移电压。 所公开的装置和方法可以与压电换能器,超声波装置,光二极管以及可极化和不可极化的电极一起使用。 所公开的装置可用于可植入装置,体外或体内用脊椎动物和无脊椎动物神经组织,肌肉纤维,胰岛细胞,成骨细胞,破骨细胞,细菌,藻类,真菌,原生生物和植物的装置。