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    • 1. 发明授权
    • Combining narrow-baseline and wide-baseline stereo for three-dimensional modeling
    • 结合窄基线和宽基线立体声进行三维建模
    • US08463024B1
    • 2013-06-11
    • US13480875
    • 2012-05-25
    • David GallupAleksey GolovinskiyMichael Hongmai LinTilman Reinhardt
    • David GallupAleksey GolovinskiyMichael Hongmai LinTilman Reinhardt
    • G06K9/00G06T17/00
    • G06T7/596G06T17/00
    • In an embodiment, a method determines a three-dimensional model from a plurality of images taken of a geographic region by one or more cameras from different perspectives. The method includes determining, using a first stereo reconstruction technique: (i) a plurality of three-dimensional candidate surface points from the plurality of images, and (ii) which of the images in the plurality of images view each of the plurality of candidate surface points. The method also includes identifying an empty space between each of the plurality of candidate surface points and each camera model for the respective images determined to view the candidate surface point. The method further includes for each of a plurality of pairs of images from the plurality of images, determining, using a second stereo reconstruction technique, a surface estimate for the pair of images. The method also includes merging the surface estimates to identify a final surface.
    • 在一个实施例中,一种方法从通过来自不同视角的一个或多个照相机拍摄的地理区域的多个图像确定三维模型。 该方法包括使用第一立体重建技术来确定:(i)来自多个图像的多个三维候选表面点,以及(ii)多个图像中的哪个图像查看多个候选中的每一个 表面点。 该方法还包括识别多个候选表面点中的每一个之间的空白空间以及确定为查看候选表面点的各个图像的每个相机模型。 该方法还包括用于来自多个图像的多对图像中的每一个,使用第二立体重建技术确定该对图像的表面估计。 该方法还包括合并表面估计以识别最终表面。
    • 4. 发明授权
    • Fuel injector for an internal combustion engine
    • 用于内燃机的燃油喷射器
    • US06244525B1
    • 2001-06-12
    • US09600555
    • 2000-07-19
    • David GallupChristine Estevenon
    • David GallupChristine Estevenon
    • F02M6100
    • F02M51/0675F02M51/0625F02M61/162
    • The fuel injector comprises an injector body (10) containing a needle (12) terminated by a shutter element co-operating with a fuel-passing seat (28) that is extended by a diffusion hole, the needle also being displaceable between a first axial position in which the shutter element bears against the seat and a second position in which the shutter element is spaced apart from the seat, the injector also comprising a swirling chamber for putting the fuel into rotation about the axis of the shutter element and situated upstream from the seat. The chamber is defined by the upstream face of the seat (28), by a disk (42) pressed against the seat and having slots (48) opening out tangentially into a central opening (46) surrounding the shutter element, and by a needle guide (40) constituted in such a manner as to feed the outer ends of the slots.
    • 燃料喷射器包括喷射器主体(10),其包含由与通过扩散孔延伸的燃料通过座(28)配合的活门元件终止的针(12),所述针还可在第一轴向 快门元件抵靠座椅的位置和其中快门元件与座椅间隔开的第二位置,喷射器还包括旋转室,用于将燃料围绕快门元件的轴线旋转并位于 这个座位;专座;席位。 腔室由座椅(28)的上游面限定,被压靠在座椅上的盘(42)限定,并且具有切向切入围绕快门元件的中心开口(46)的狭槽(48) 引导件(40)以使槽的外端进给的方式构成。
    • 6. 发明授权
    • System and method for generating a classifier for semantically segmenting an image
    • 用于生成用于语义地分割图像的分类器的系统和方法
    • US08958630B1
    • 2015-02-17
    • US13287890
    • 2011-11-02
    • David GallupRahul Raguram
    • David GallupRahul Raguram
    • G06K9/62
    • G06K9/6259G06K9/00201G06K9/6293
    • Systems, methods, and machine-readable media for generating a classifier configured to label segments of an image, are discussed. According to one aspect, the system may include a training module, a labeling module, and an update module. The training module may be configured to train a first sub-classifier based on photographic data for a set of pre-labeled image segments and a second sub-classifier based on 3-dimensional point data for the set of pre-labeled image segments. The labeling module may be configured to generate a labeling solution comprising a plurality of associations between an image segment from the set of unlabeled image segments and a label. The update module may be configured to update the set of pre-labeled image segments based on the labeling solution. The training module may also be configured to train the first sub-classifier and the second sub-classifier based on the updated set of pre-labeled image segments.
    • 讨论了用于生成被配置为标记图像的段的分类器的系统,方法和机器可读介质。 根据一个方面,系统可以包括训练模块,标签模块和更新模块。 训练模块可以被配置为基于用于一组预先标记的图像片段的照片数据和基于用于所述一组预先标记的图像片段的三维点数据的第二子分类器来训练第一子分类器。 标记模块可以被配置为生成包括来自所述一组未标记图像片段的图像片段与标签之间的多个关联的标签解决方案。 更新模块可以被配置为基于标签解决方案更新一组预先标记的图像片段。 训练模块还可以被配置为基于更新的预先标记的图像段集合来训练第一子分类器和第二子分类器。