公开(公告)号：US20070009738A1

公开(公告)日：2007-01-11

申请号：US11176017

申请日：2005-07-07

Applicant: Rakesh Kumar ,  Bawa Singh ,  Brian Lewis ,  Michael Marczi

Inventor： Rakesh Kumar ,  Bawa Singh ,  Brian Lewis ,  Michael Marczi

IPC: B32B1/00

CPC classification number: B01J13/14 ,  B01J35/06 ,  B01J35/08 ,  Y10T428/2982 ,  Y10T428/2984 ,  Y10T428/2991

Abstract: Structures in the nanoscale and mesoscale domain are provided. The structures typically have a shell which can be comprised of a porous polymeric material such as parylene. The surfaces of the shell can further comprise pendant functional groups that can provide reactive or passive characteristics.

Abstract translation: 提供了纳米尺度和中尺度域中的结构。 结构通常具有可以由多孔聚合材料如聚对二甲苯构成的壳。 壳体的表面可进一步包含可提供反应性或被动特性的侧链官能团。

公开(公告)号：US07085409B2

公开(公告)日：2006-08-01

申请号：US09978158

申请日：2001-10-16

Applicant: Harpreet Singh Sawhney ,  Hai Tao ,  Rakesh Kumar ,  Keith Hanna

Inventor： Harpreet Singh Sawhney ,  Hai Tao ,  Rakesh Kumar ,  Keith Hanna

IPC: G06K9/00 ,  G06T15/00 ,  G06T15/40

CPC classification number: G06T15/205 ,  G06T7/97 ,  G06T2207/20228 ,  G06T2210/44

Abstract: An image-based tele-presence system forward warps video images selected from a plurality fixed imagers using local depth maps and merges the warped images to form high quality images that appear as seen from a virtual position. At least two images, from the images produced by the imagers, are selected for creating a virtual image. Depth maps are generated corresponding to each of the selected images. Selected images are warped to the virtual viewpoint using warp parameters calculated using corresponding depth maps. Finally the warped images are merged to create the high quality virtual image as seen from the selected viewpoint. The system employs a video blanket of imagers, which helps both optimize the number of imagers and attain higher resolution. In an exemplary video blanket, cameras are deployed in a geometric pattern on a surface.

公开(公告)号：US20060073449A1

公开(公告)日：2006-04-06

申请号：US11206678

申请日：2005-08-18

Applicant: Rakesh Kumar ,  Aydin Arpa ,  Hui Cheng ,  Vincent Paragano ,  Keith Hanna

Inventor： Rakesh Kumar ,  Aydin Arpa ,  Hui Cheng ,  Vincent Paragano ,  Keith Hanna

IPC: G09B19/00

CPC classification number: G09B7/02 ,  F41A33/00 ,  F41G3/26 ,  F41J5/10 ,  F41J5/14

Abstract: A method and system for performing automated training environment monitoring and evaluation. The training environment may include a mixed reality elements to enhance a training experience.

Abstract translation: 一种用于执行自动化培训环境监测和评估的方法和系统。 培训环境可能包括混合的现实要素，以增强培训经验。

公开(公告)号：US06985620B2

公开(公告)日：2006-01-10

申请号：US09800550

申请日：2001-03-07

Applicant: Harpreet Singh Sawhney ,  Rakesh Kumar ,  Steve Hsu ,  Supun Samarasekera

Inventor： Harpreet Singh Sawhney ,  Rakesh Kumar ,  Steve Hsu ,  Supun Samarasekera

IPC: G06K9/00

CPC classification number: G06T15/20 ,  G01S5/163 ,  G06T7/74 ,  G06T17/10 ,  G06T2200/08 ,  G06T2207/30244

Abstract: The present invention is embodied in a video flashlight method. This method creates virtual images of a scene using a dynamically updated three-dimensional model of the scene and at least one video sequence of images. An estimate of the camera pose is generated by comparing a present image to the three-dimensional model. Next, relevant features of the model are selected based on the estimated pose. The relevant features are then virtually projected onto the estimated pose and matched to features of the image. Matching errors are measured between the relevant features of the virtual projection and the features of the image. The estimated pose is then updated to reduce these matching errors. The model is also refined with updated information from the image. Meanwhile, a viewpoint for a virtual image is selected. The virtual image is then created by projecting the dynamically updated three-dimensional model onto the selected virtual viewpoint.

Abstract translation: 本发明以视频手电筒方式实现。 该方法使用场景的动态更新的三维模型和至少一个图像的视频序列来创建场景的虚拟图像。 通过将当前图像与三维模型进行比较来生成相机姿态的估计。 接下来，基于估计的姿势来选择模型的相关特征。 然后将相关特征虚拟地投影到估计姿态上并与图像的特征相匹配。 在虚拟投影的相关特征和图像的特征之间测量匹配误差。 然后更新估计姿势以减少这些匹配错误。 该模型还从图像中更新了更新的信息。 同时，选择虚拟图像的视点。 然后通过将动态更新的三维模型投影到所选择的虚拟视点上来创建虚拟图像。

公开(公告)号：US20050246599A1

公开(公告)日：2005-11-03

申请号：US10836931

申请日：2004-04-30

Applicant: Neil Simpson ,  Rakesh Kumar

Inventor： Neil Simpson ,  Rakesh Kumar

IPC: G01R31/28 ,  G01R31/317

CPC classification number: G01R31/31715

Abstract: A system for testing input characteristics of an integrated circuit device includes an integrated circuit device. The integrated circuit device includes, an input pad, an output pad, an input register, and a data register. The input register receives an input value from the input pad and communicates the input value to a portion of the integrated circuit for processing when the integrated circuit is not in test mode. The data register receives a test value from the input register and communicates the test value to the output pad when the integrated circuit is in test mode.

Abstract translation: 用于测试集成电路器件的输入特性的系统包括集成电路器件。 集成电路器件包括输入焊盘，输出焊盘，输入寄存器和数据寄存器。 当集成电路不处于测试模式时，输入寄存器从输入焊盘接收输入值，并将输入值传送到集成电路的一部分进行处理。 数据寄存器从输入寄存器接收测试值，并在集成电路处于测试模式时将测试值传送到输出焊盘。

公开(公告)号：US20050002662A1

公开(公告)日：2005-01-06

申请号：US10779444

申请日：2004-02-13

Applicant: Aydin Arpa ,  Keith Hanna ,  Supun Samarasekera ,  Rakesh Kumar ,  Harpreet Sawhney

Inventor： Aydin Arpa ,  Keith Hanna ,  Supun Samarasekera ,  Rakesh Kumar ,  Harpreet Sawhney

IPC: G01R20060101 ,  G02B7/28 ,  H04N7/18

CPC classification number: H04N7/181

Abstract: Method and apparatus for dynamically placing sensors in a 3D model is provided. Specifically, in one embodiment, the method selects a 3D model and a sensor for placement into the 3D model. The method renders the sensor and the 3D model in accordance with sensor parameters associated with the sensor and parameters desired by a user. In addition, the method determines whether an occlusion to the sensor is present.

Abstract translation: 提供了用于在3D模型中动态放置传感器的方法和装置。 具体地说，在一个实施例中，该方法选择3D模型和用于放置到3D模型中的传感器。 该方法根据与传感器相关联的传感器参数和用户期望的参数呈现传感器和3D模型。 另外，该方法确定是否存在对传感器的遮挡。

公开(公告)号：US06681058B1

公开(公告)日：2004-01-20

申请号：US09518872

申请日：2000-03-06

Applicant: Keith Hanna ,  Rakesh Kumar

Inventor： Keith Hanna ,  Rakesh Kumar

IPC: G06K932

CPC classification number: H04N19/23

Abstract: A method and apparatus are disclosed that estimate the brightness or other feature values of unchanging or slowly changing regions of an image in a sequence of video images even when the regions is obscured by objects over large portions of the video sequence. The apparatus and method generate a histogram for each image region position over a plurality of image frames in the sequence. The mode, or most frequently occurring value, of the image region as indicated by the histogram is selected as representing the unchanging portion of the image. The mode values of all of the regions are then assembled to form a composite image of the unchanging or slowly changing feature values. According to one method, the histogram is generated using a recursive filter. In order to process images that exhibit some motion from frame to frame, the images in the video sequence may be aligned before generating the histogram. If the camera produces artifacts such as variations in the image caused by an automatic gain control (AGC) function, each image in the sequence of video images may be filtered either temporally or spatially before performing the histogramming operation to remove these artifacts. To reduce processing time, the image processing may be spaced in time such that only every nth image is processed. Alternatively, each region of an image sequence may be processed at random irregular intervals in order to obtain the histogram. In one embodiment of the invention, the histogram is applied over relatively small groups of frames in order to generate a noise reduced image.

Abstract translation: 公开了一种方法和装置，其估计视频图像序列中的图像的不变或缓慢变化的区域的亮度或其他特征值，即使当该区域被视频序列的大部分上的对象遮蔽时。 该装置和方法为序列中的多个图像帧上的每个图像区域位置生成直方图。 由直方图指示的图像区域的模式或最常出现的值被选择为表示图像的不变部分。 然后组合所有区域的模式值以形成不变或缓慢变化的特征值的合成图像。 根据一种方法，使用递归滤波器生成直方图。 为了处理从帧到帧呈现一些运动的图像，可以在生成直方图之前对准视频序列中的图像。 如果相机产生诸如由自动增益控制（AGC）功能引起的图像变化的人为因素，则在执行直方图操作以去除这些伪像之前，视频图像序列中的每个图像可以在时间上或空间上被滤波。 为了减少处理时间，图像处理可以在时间上间隔使得仅处理每个n图像。 或者，图像序列的每个区域可以以随机的不规则间隔进行处理，以获得直方图。 在本发明的一个实施例中，直方图被应用在相对较小的帧组上，以便产生降噪图像。

公开(公告)号：US06662654B2

公开(公告)日：2003-12-16

申请号：US10409421

申请日：2003-04-08

Applicant: Yubo Miao ,  Ranganathan Nagarajan ,  Uppili Sridhar ,  Rakesh Kumar ,  Qinxin Zhang

Inventor： Yubo Miao ,  Ranganathan Nagarajan ,  Uppili Sridhar ,  Rakesh Kumar ,  Qinxin Zhang

IPC: G01P1500

CPC classification number: G01P15/125 ,  B81B3/0051 ,  B81B2201/0235 ,  B81B2203/053 ,  G01P15/0802 ,  G01P2015/0814 ,  Y10T29/49005

Abstract: An accelerometer design is described. It operates by measuring a change in capacitance when one plate is fixed and one is mobile (free to accelerate). Unlike prior art designs where such changes are caused by variations in the plate separation distance, in the design of the present invention the plate separation distance is fixed, it being the effective plate area that changes with acceleration. A key feature is that the basic unit is a pair of capacitors. The fixed plates in each case are at the same relative height but the mobile plates are offset relative to the fixed plates, one mobile plate somewhat higher than its fixed plate with the other mobile plate being somewhat lower. Then, when the mobile plates move (in the same direction), one capacitor increases in value while the other decreases by the same amount. This differential design renders the device insensitive to sources of systematic error such as temperature changes. A process for manufacturing the design is described.

公开(公告)号：US06571628B1

公开(公告)日：2003-06-03

申请号：US09687161

申请日：2000-10-16

Applicant: Yubo Miao ,  Ranganathan Nagarajan ,  Uppili Sridhar ,  Rakesh Kumar ,  Zhang Qingxin

Inventor： Yubo Miao ,  Ranganathan Nagarajan ,  Uppili Sridhar ,  Rakesh Kumar ,  Zhang Qingxin

IPC: G01P1500

CPC classification number: G01P15/125 ,  B81B3/0051 ,  B81B2201/0235 ,  B81B2203/053 ,  G01P15/0802 ,  G01P2015/0814 ,  Y10T29/49005

Abstract: An accelerometer design is described. It operates by measuring a change in capacitance when one plate is fixed and one is mobile (free to accelerate). Unlike prior art designs where such changes are caused by variations in the plate separation distance, in the design of the present invention the plate separation distance is fixed, it being the effective plate area that changes with acceleration. A key feature is that the basic unit is a pair of capacitors. The fixed plates in each case are at the same relative height but the mobile plates are offset relative to the fixed plates, one mobile plate somewhat higher than its fixed plate with the other mobile plate being somewhat lower. Then, when the mobile plates move (in the same direction), one capacitor increases in value while the other decreases by the same amount. This differential design renders the device insensitive to sources of systematic error such as temperature changes. A process for manufacturing the design is described.

Abstract translation: 描述加速度计设计。 它通过测量一个板固定并且一个是移动的（自由加速）时的电容变化来操作。 不同于现有技术设计，其中这种变化是由板间隔距离的变化引起的，在本发明的设计中，板间隔距离是固定的，它是加速度变化的有效板面积。 一个关键的特征是基本单元是一对电容器。 每种情况下的固定板具有相同的相对高度，但是移动板相对于固定板偏移，一个移动板稍微高于其固定板，另一个移动板稍低。 然后，当移动板移动（沿相同方向）时，一个电容器的值增加，而另一个电容器减少相同的量。 该差分设计使设备对温度变化等系统误差源不敏感。 描述了用于制造设计的过程。

公开(公告)号：US06522787B1

公开(公告)日：2003-02-18

申请号：US08917402

申请日：1997-08-25

Applicant: Rakesh Kumar ,  Keith James Hanna ,  James R. Bergen ,  Padmanabhan Anandan ,  Kevin Williams ,  Mike Tinker

Inventor： Rakesh Kumar ,  Keith James Hanna ,  James R. Bergen ,  Padmanabhan Anandan ,  Kevin Williams ,  Mike Tinker

IPC: G06K940

CPC classification number: H04N5/2224 ,  G06T15/10 ,  H04N5/222 ,  H04N5/272

Abstract: An image processing system for imaging a scene to mosaic, selecting a new viewpoint of the scene, and rendering a synthetic image from the mosaic of the scene from that new viewpoint. The synthesized image is then combined with a second image. The combination of the second image and the synthetic image generates a composite image containing a realistic combination of objects in the second image and the scene. Using this system, a production set or other scene need only be created once, then imaged by the system. Thereafter, through image processing, any view of the scene can be synthesized and combined with separately imaged performers or other objects to generate the composite image. As such, a production set or other scene can be repetitively reused without recreating the physical scene.

Abstract translation: 一种图像处理系统，用于将场景成像到马赛克，选择场景的新视点，以及从该视点从场景的马赛克呈现合成图像。 然后将合成的图像与第二图像组合。 第二图像和合成图像的组合产生包含第二图像和场景中的物体的真实组合的合成图像。 使用该系统，生产集或其他场景只需创建一次，然后由系统成像。 此后，通过图像处理，可以将场景的任何视图合成并与单独成像的执行者或其他对象组合以生成合成图像。 因此，生产集合或其他场景可以重复地重复使用而不重新生成物理场景。