专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明授权

US07363201B2 Facial image processing methods and systems 有权
公开(公告)号：US07363201B2
公开(公告)日：2008-04-22
申请号：US10980073
申请日：2004-11-02
申请人： Stephen Marschner , Brian K. Guenter , Sashi Raghupathy , Kirk Olynyk , Sing Bing Kang
发明人： Stephen Marschner , Brian K. Guenter , Sashi Raghupathy , Kirk Olynyk , Sing Bing Kang
IPC分类号： G06F7/60 , G06K9/40 , G06K9/32
CPC分类号： G06K9/4661 , G06K9/00268 , G06T7/521 , G06T15/506
摘要： In the described embodiment, methods and systems for processing facial image data for use in animation are described. In one embodiment, a system is provided that illuminates a face with illumination that is sufficient to enable the simultaneous capture of both structure data, e.g. a range or depth map, and reflectance properties, e.g. the diffuse reflectance of a subject's face. This captured information can then be used for various facial animation operations, among which are included expression recognition and expression transformation.

82. 发明授权

US07356447B2 Facial image processing methods and systems 有权
标题翻译：面部图像处理方法和系统
公开(公告)号：US07356447B2
公开(公告)日：2008-04-08
申请号：US10836281
申请日：2004-04-30
申请人： Stephen Marschner , Brian K. Guenter , Sashi Raghupathy , Kirk Olynyk , Sing Bing Kang
发明人： Stephen Marschner , Brian K. Guenter , Sashi Raghupathy , Kirk Olynyk , Sing Bing Kang
IPC分类号： G06K9/40 , G06K9/32 , G06F7/60
CPC分类号： G06K9/4661 , G06K9/00268 , G06T7/521 , G06T15/506
摘要： In the described embodiment, methods and systems for processing facial image data for use in animation are described. In one embodiment, a system is provided that illuminates a face with illumination that is sufficient to enable the simultaneous capture of both structure data, e.g. a range or depth map, and reflectance properties, e.g. the diffuse reflectance of a subject's face. This captured information can then be used for various facial animation operations, among which are included expression recognition and expression transformation.
摘要翻译：在所描述的实施例中，描述了用于处理用于动画的面部图像数据的方法和系统。在一个实施例中，提供了一种系统，其利用足以使得能够同时捕获结构数据的照明来照亮面部，例如，范围或深度图，以及反射率特性，例如。受试者面部的漫反射。然后，该捕获的信息可以用于各种面部动画操作，其中包括表达式识别和表达变换。

83. 发明授权

US07023472B1 Camera calibration using off-axis illumination and vignetting effects 失效
标题翻译：使用离轴照明和渐晕效果的相机校准
公开(公告)号：US07023472B1
公开(公告)日：2006-04-04
申请号：US09298372
申请日：1999-04-23
申请人： Sing Bing Kang , Richard S. Weiss
发明人： Sing Bing Kang , Richard S. Weiss
IPC分类号： H04N17/001 , H04N17/02 , H04N9/64
CPC分类号： G06T7/80
摘要： An imaging device is calibrated using a flat, featureless surface and uniform illumination, relying on the effect of off-axis illumination and vignetting on the reduction of light into the camera at off-axis angles. The effect of the tilt of the camera is also considered. These effects are used to extract intrinsic camera parameters including focal length, principal point, aspect ratio and skew.
摘要翻译：使用平坦的，无特征的表面和均匀的照明来校准成像装置，这取决于离轴照明和渐晕的影响，在离轴角度将光减少到相机中。也考虑了相机倾斜的影响。这些效果用于提取包括焦距，主点，宽高比和偏斜的本征相机参数。

84. 发明授权

US06642924B1 Method and system for obtaining visual information from an image sequence using visual tunnel analysis 失效
标题翻译：使用视觉隧道分析从图像序列获取视觉信息的方法和系统
公开(公告)号：US06642924B1
公开(公告)日：2003-11-04
申请号：US09705419
申请日：2000-11-02
申请人： Sing Bing Kang , Peter-Pike J. Sloan , Steven M. Seitz
发明人： Sing Bing Kang , Peter-Pike J. Sloan , Steven M. Seitz
IPC分类号： G06T1510
CPC分类号： G06T15/40
摘要： A method and a system for obtaining visual information from an image sequence using a visual tunnel analysis are described. The present invention determines the position and orientation of rays captured in the image sequence and uses these rays to provide visual information. This visual information includes, for example, visual prediction information (whereby the extent of visibility and appearance of a virtual camera at arbitrary locations are determined) and visual planning (whereby a minimum number of images that need to be captured to visualize a desired region is determined). Generally, the visual tunnel analysis uses a subset of the plenoptic function to determine the position and orientation of every light ray passing through each point of images in the sequence. A visual tunnel associated with an input image sequence is a volume in visibility space that represents that portion of the visibility space occupied by the input image sequence. The visual tunnel is a representation of all light rays associated with the image sequence. The present invention encodes the orientation, appearance, and density of the available light rays at every point in free space.
摘要翻译：描述了使用视觉隧道分析从图像序列获得视觉信息的方法和系统。本发明确定在图像序列中捕获的光线的位置和方向，并使用这些光线来提供视觉信息。该视觉信息例如包括视觉预测信息（由此确定任意位置处的虚拟摄像机的可见度和外观的程度）和视觉规划（从而需要捕获的图像的最小数量可视化所需区域是决心）。通常，视觉隧道分析使用全视角函数的子集来确定通过序列中的每个图像点的每个光线的位置和方向。与输入图像序列相关联的视觉隧道是可见空间中的体积，其表示输入图像序列占据的可见性空间的那部分。视觉隧道是与图像序列相关联的所有光线的表示。本发明在自由空间中的每个点编码可用光线的取向，外观和密度。

85. 发明授权

US6101288A Method for recovering radial distortion parameters from a single camera image 失效
标题翻译：从单个摄像机图像中恢复径向失真参数的方法
公开(公告)号：US6101288A
公开(公告)日：2000-08-08
申请号：US901689
申请日：1997-07-28
申请人： Sing Bing Kang
发明人： Sing Bing Kang
IPC分类号： G06T3/00 , G06T5/00 , G06K9/36
CPC分类号： G06T5/006
摘要： In a computerized method, a set of radial distortion parameters are recovered from a single image by selecting arbitrarily oriented straight lines in a single image using an input device. Then, objective functions in Cartesian form are minimized using a least-squares fit formulation to recover the set of radial distortion parameters.
摘要翻译：在计算机化方法中，通过使用输入装置选择单个图像中的任意取向的直线，从单个图像恢复一组径向失真参数。然后，使用最小二乘拟合公式最小化笛卡尔形式的目标函数，以恢复一组径向失真参数。

86. 发明授权

US06047078A Method for extracting a three-dimensional model using appearance-based constrained structure from motion 失效
标题翻译：使用基于外观的约束结构从运动中提取三维模型的方法
公开(公告)号：US06047078A
公开(公告)日：2000-04-04
申请号：US943774
申请日：1997-10-03
申请人： Sing Bing Kang
发明人： Sing Bing Kang
IPC分类号： G01B11/24 , G06T1/00 , G06T7/20 , G06K9/00
CPC分类号： G06K9/20 , G06T7/0071 , G06K2209/40 , G06T2207/10016
摘要： In a computerized method, a three-dimensional model is extracted from a sequence of images that includes a reference image. Each image in the sequence is registered with the reference image to determine image features. The image features are used to recover structure and motion parameters using geometric constraints in the form of a wireframe mode. A predicted appearance is generated for each image using the recovered structure and motion parameters, and each predicted appearance is registered with the corresponding image. The recovering, generating, and registering steps are repeated until the average pixel value difference (color or intensity) between the predicted appearances and the corresponding images is less than a predetermined threshold.
摘要翻译：在计算机化方法中，从包括参考图像的图像序列中提取三维模型。序列中的每个图像都与参考图像一起注册，以确定图像特征。图像特征用于使用线框模式形式的几何约束来恢复结构和运动参数。使用恢复的结构和运动参数为每个图像生成预测的外观，并且将每个预测的外观与相应的图像一起登记。重复恢复，生成和登记步骤，直到预测出现与相应图像之间的平均像素值差（颜色或强度）小于预定阈值。

87. 发明授权

US6031539A Facial image method and apparatus for semi-automatically mapping a face on to a wireframe topology 失效
标题翻译：用于半自动地将面部映射到线框拓扑的面部图像方法和装置
公开(公告)号：US6031539A
公开(公告)日：2000-02-29
申请号：US815981
申请日：1997-03-10
申请人： Sing Bing Kang , Keith Waters
发明人： Sing Bing Kang , Keith Waters
IPC分类号： G06T15/04 , G06T11/00
CPC分类号： G06T15/04
摘要： A method for mapping a digitized image of a face on to a reference wireframe topology in a computer system is provided, the image composed of pixels, the wireframe composed of interconnected nodes, the method including the steps of determining facial features from the pixels, determining facial landmark points from the facial features, computing displacements for each one of the interconnected nodes, and manually finetuning the displacements in response to the step of computing.
摘要翻译：提供了一种用于将面部的数字化图像映射到计算机系统中的参考线框拓扑的方法，由像素组成的图像，由互连节点组成的线框，该方法包括以下步骤：从像素确定面部特征，确定面部特征的面部地标点，每个相互连接的节点的计算位移，以及响应于计算步骤手动地调整位移。

88. 发明授权

US6009210A Hands-free interface to a virtual reality environment using head tracking 失效
标题翻译：使用头部跟踪的虚拟现实环境的免提界面
公开(公告)号：US6009210A
公开(公告)日：1999-12-28
申请号：US811674
申请日：1997-03-05
申请人： Sing Bing Kang
发明人： Sing Bing Kang
IPC分类号： G06F3/00 , G06F3/01 , G06K9/00 , G06K9/36
CPC分类号： G06F3/012 , G06K9/00228 , A63F2300/1012 , A63F2300/1093 , A63F2300/6661 , A63F2300/6676
摘要： A hands-free navigation system for tracking a head and responsively adjusting the display of a virtual reality environment includes a camera, the camera employed to follow movements of the head, a computer system connected to the camera, the computer system including a memory, a central processing unit (CPU), a digitizer, the digitizer providing a current image of a face of the head, a face tracker, the face tracker including the capability of receiving a reference face image from the digitizer, of receiving the current face image from the digitizer, of determining a head translation and orientation, and of providing the head translation and orientation to a three dimensional virtual environment viewer connected to the computer system for display of the virtual environment at the desired viewpoint.
摘要翻译：用于跟踪头部并且响应地调整虚拟现实环境的显示的免提导航系统包括相机，用于跟随头部的移动的照相机，连接到相机的计算机系统，计算机系统包括存储器，中央处理单元（CPU），数字转换器，提供头部的脸部的当前图像的数字化仪，面部跟踪器，面部跟踪器，其包括从数字化仪接收参考面部图像的能力，所述数字化仪确定头部平移和定向，以及将头部平移和取向提供给连接到计算机系统的三维虚拟环境查看器，以在期望的视点显示虚拟环境。

89. 发明授权

US09030532B2 Stereoscopic image display 有权
标题翻译：立体图像显示
公开(公告)号：US09030532B2
公开(公告)日：2015-05-12
申请号：US10922769
申请日：2004-08-19
申请人： Gary K. Starkweather , Michael J. Sinclair , Sing Bing Kang
发明人： Gary K. Starkweather , Michael J. Sinclair , Sing Bing Kang
IPC分类号： H04N13/04
CPC分类号： H04N13/376 , H04N13/302 , H04N13/371 , H04N13/378 , H04N13/38 , H04N13/383
摘要： Stereoscopic image display is described. In an embodiment, a location of the eye pupils of a viewer is determined and tracked. An image is displayed within a first focus for viewing with the left eye of the viewer, and the image is displayed within a second focus for viewing with the right eye of the viewer. A positional change of the eye pupils is tracked and a sequential image that corresponds to the positional change of the eye pupils is generated for stereoscopic viewing. In another embodiment, an image is displayed for stereoscopic viewing and a head position of a viewer relative to a center of the displayed image is determined. A positional change of the viewer's head is tracked, and a sequential image that corresponds to the positional change of the viewer's head is generated for stereoscopic viewing.
摘要翻译：描述立体图像显示。在一个实施例中，确定并跟踪观看者的眼睛瞳孔的位置。在第一焦点内显示图像以用观看者的左眼观看，并且在第二焦点内显示图像以用观看者的右眼观看。跟踪眼睛瞳孔的位置变化，并且生成对应于眼睛瞳孔的位置变化的顺序图像用于立体观看。在另一个实施例中，显示用于立体观看的图像，并且确定观看者相对于所显示图像的中心的头部位置。跟踪观众头部的位置变化，生成与观众头部的位置变化相对应的顺序图像，用于立体观看。

90. 发明申请

US20130243320A1 Image Completion Including Automatic Cropping 有权
标题翻译：图像完成包括自动裁剪
公开(公告)号：US20130243320A1
公开(公告)日：2013-09-19
申请号：US13421307
申请日：2012-03-15
申请人： Johannes Peter Kopf , Sing Bing Kang , Wolf Kienzle , Steven M. Drucker
发明人： Johannes Peter Kopf , Sing Bing Kang , Wolf Kienzle , Steven M. Drucker
IPC分类号： G06K9/36
CPC分类号： G06T3/4038 , G06T5/005
摘要： Described is a technology by which an image such as a stitched panorama is automatically cropped based upon predicted quality data with respect to filling missing pixels. The image may be completed, including by completing only those missing pixels that remain after cropping. Predicting quality data may be based on using restricted search spaces corresponding to the missing pixels. The crop is computed based upon the quality data, in which the crop is biased towards including original pixels and excluding predicted low quality pixels. Missing pixels are completed by using restricted search spaces to find replacement values for the missing pixels, and may use histogram matching for texture synthesis.
摘要翻译：描述了一种基于相对于填充缺失像素的预测质量数据自动裁剪诸如缝合全景图像的技术。可以完成图像，包括仅完成裁剪后剩余的那些丢失的像素。预测质量数据可以基于对应于缺失像素的限制搜索空间。基于质量数据计算作物，其中作物偏向于包括原始像素并排除预测的低质量像素。通过使用限制搜索空间来找到丢失的像素的替换值，可以完成缺少的像素，并且可以使用纹理合成的直方图匹配。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式