专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US09118912B2 Object-aware video encoding strategies 有权
标题翻译：对象感知视频编码策略
公开(公告)号：US09118912B2
公开(公告)日：2015-08-25
申请号：US13508562
申请日：2010-12-08
申请人： Sitaram Bhagavathy , Joan Llach , Dong-Qing Zhang , Jesus Barcons-Palau
发明人： Sitaram Bhagavathy , Joan Llach , Dong-Qing Zhang , Jesus Barcons-Palau
IPC分类号： H04N7/26 , H04N19/103 , H04N19/172 , H04N19/115 , H04N19/14 , H04N19/154 , H04N19/20 , H04N19/176 , H04N19/147 , H04N19/46 , H04N19/124 , H04N19/137 , H04N19/167 , H04N19/85 , H04N19/177
CPC分类号： H04N19/103 , H04N19/115 , H04N19/124 , H04N19/137 , H04N19/14 , H04N19/147 , H04N19/154 , H04N19/167 , H04N19/172 , H04N19/176 , H04N19/177 , H04N19/20 , H04N19/46 , H04N19/85
摘要： A method of object-aware video coding is provided that comprises the steps of: receiving a video sequence having a plurality of frames; selecting at least two frames; determing total area of at least one object of interest in each of the at least two frames; comparing the total area to a threshold area; classifying each of the at least two frames as being a low object weighted frame or a high object weighted frame, low object weighted frames being frames having the total area exceeding the threshold area and high object weighted frames being frame having the total area not exceeding the threshold area; and encoding each low object weighted frame according to one encoding mode and encoding each high object weighted frame according to a different encoding mode.
摘要翻译：提供了一种对象感知视频编码方法，包括以下步骤：接收具有多个帧的视频序列; 选择至少两个帧; 确定所述至少两个帧中的每一个中的至少一个感兴趣对象的总面积; 将总面积与阈值区域进行比较; 将至少两个帧中的每一个分类为低对象加权帧或高对象加权帧，低对象加权帧是具有超过阈值区域的总区域的帧，并且高对象加权帧是具有不超过阈值区域的总区域的帧阈值面积并根据一个编码模式对每个低对象加权帧进行编码，并根据不同的编码模式对每个高对象加权帧进行编码。

12. 发明授权

US08619073B2 System and method for recovering three-dimensional particle systems from two-dimensional images 有权
标题翻译：从二维图像中恢复三维粒子系统的系统和方法
公开(公告)号：US08619073B2
公开(公告)日：2013-12-31
申请号：US12447029
申请日：2006-10-27
申请人： Dong-Qing Zhang , Ana Belen Benitez , James Arthur Fancher
发明人： Dong-Qing Zhang , Ana Belen Benitez , James Arthur Fancher
IPC分类号： G06T15/00
CPC分类号： G06T7/50 , G06T13/20 , G06T2210/56
摘要： A system and method for recovering three-dimensional (3D) particle systems from two-dimensional (2D) images are provided. The system and method of the present invention provide for identifying a fuzzy object in a two-dimensional (2D) image; selecting a particle system from a plurality of predetermined particle systems, the selected particle system relating to a predefined fuzzy object; generating at least one particle of the selected particle system; simulating the at least one particle to update states of the at least one particle; rendering the selected particle system; comparing the rendered particle system to the identified fuzzy object in the 2D image; and storing the selected particle system if the comparison result is within an acceptable threshold, wherein the stored particle system represents the recovered geometry of the fuzzy object.
摘要翻译：提供了一种用于从二维（2D）图像中恢复三维（3D）粒子系统的系统和方法。本发明的系统和方法提供用于识别二维（2D）图像中的模糊对象; 从多个预定粒子系统中选择粒子系统，所选粒子系统与预定义的模糊对象相关; 产生所选择的粒子系统的至少一个粒子; 模拟所述至少一个粒子以更新所述至少一个粒子的状态; 渲染选定的粒子系统; 将渲染的粒子系统与2D图像中识别的模糊对象进行比较; 以及如果所述比较结果在可接受的阈值内，则存储所选择的粒子系统，其中所述存储的粒子系统表示所述模糊对象的恢复的几何形状。

13. 发明授权

US08483540B2 Method and system for subframe accurate synchronization 有权
标题翻译：子帧准确同步的方法和系统
公开(公告)号：US08483540B2
公开(公告)日：2013-07-09
申请号：US12312362
申请日：2006-12-12
申请人： Ingo Doser , Ana Belen Benitez , Dong-Qing Zhang
发明人： Ingo Doser , Ana Belen Benitez , Dong-Qing Zhang
IPC分类号： H04N5/932 , H04N5/935
CPC分类号： G11B27/28 , G11B27/10 , H04N5/76 , H04N9/802 , H04N21/2368 , H04N21/4307 , H04N21/4334 , H04N21/4341
摘要： A method, apparatus and system for synchronizing between two recording modes includes identifying a common event in the two recording modes. The event in time is recognized for a higher accuracy mode of the two modes. The event is predicted in a lower accuracy mode of the two modes by determining a time when the event occurred between frames in the lower accuracy mode. The event in the higher accuracy mode is synchronized to the lower accuracy mode to provide sub-frame accuracy alignment between the two modes. In one embodiment of the invention, the common event includes the closing of a clap slate, and the two modes include audio and video recording modes.
摘要翻译：用于在两种记录模式之间同步的方法，装置和系统包括识别两种记录模式中的公共事件。对于两种模式的更高精度模式，识别出时间上的事件。通过确定在较低精度模式中的帧之间发生事件的时间，在两种模式的较低精度模式中预测该事件。在较高精度模式下的事件与较低精度模式同步，以提供两种模式之间的子帧精度对准。在本发明的一个实施例中，公共事件包括拍子拍板的关闭，并且两种模式包括音频和视频记录模式。

14. 发明申请

US20130170746A1 RECOVERING A PRUNED VERSION OF A PICTURE IN A VIDEO SEQUENCE FOR EXAMPLE-BASED DATA PRUNING USING INTRA-FRAME PATCH SIMILARITY 有权
公开(公告)号：US20130170746A1
公开(公告)日：2013-07-04
申请号：US13821424
申请日：2011-09-09
申请人： Dong-Qing Zhang , Sitaram Bhagavathy , Shan He
发明人： Dong-Qing Zhang , Sitaram Bhagavathy , Shan He
IPC分类号： G06T5/00
CPC分类号： H04N19/85 , G06T5/001 , H04N19/132 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/44 , H04N19/46 , H04N19/463 , H04N19/587 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/97
摘要： Method and apparatus for recovering a pruned version of a picture in a video sequence are disclosed. The apparatus includes a divider for dividing the pruned version of the picture into a plurality of non-overlapping blocks. The apparatus also includes a metadata decoder for decoding metadata for use in recovering the pruned version of the picture. The apparatus further includes a patch library creator for creating a patch library from a reconstructed version of the picture. The patch library includes a plurality of high resolution replacement patches for replacing the one or more pruned blocks during a recovery of the pruned version of the picture. The apparatus additionally includes a search and replacement device for performing a searching process using the metadata to find a corresponding patch for a respective one of the one or more pruned blocks from among the plurality of non-overlapping blocks and replace the respective one of the one or more pruned blocks with the corresponding patch. The signature is respectively created for each of the one or more pruned blocks, and the pruned version of the picture is recovered by comparing respective distance metrics from signatures for each of the plurality of high resolution patches to signatures for each of the one or more pruned blocks, sorting the respective distance metrics to obtain a rank list for each of the one or more pruned blocks, wherein a rank number in the rank list for a particular one of the one or more pruned blocks is used to retrieve a corresponding one of the plurality of high resolution patches in the patch library to be used to replace the particular one of the one or more pruned blocks. A patch dependency graph having a plurality of nodes and a plurality of edges is used to recover the pruned version of the picture. Each of the plurality of nodes represents a respective one of the plurality of overlapping blocks, and each of the plurality of edges represents a respective dependency of at least the respective one of the plurality of overlapping blocks.

15. 发明申请

US20110085739A1 SYSTEM AND METHOD FOR SIMILARITY SEARCH OF IMAGES 审中-公开
标题翻译：用于图像相似搜索的系统和方法
公开(公告)号：US20110085739A1
公开(公告)日：2011-04-14
申请号：US12996424
申请日：2008-06-06
申请人： Dong-Qing Zhang , Rajan Joshi , Ju Guo , Ana B. Benitez , Ying Luo
发明人： Dong-Qing Zhang , Rajan Joshi , Ju Guo , Ana B. Benitez , Ying Luo
IPC分类号： G06K9/68 , G06K9/62 , G06K9/46
CPC分类号： G06F16/58 , G06F16/583
摘要： A system and method for an efficient semantic similarity search of images with a classification structure are provided. The system and method provide for building a semantic classification-search tree for the plurality of images, the classification tree including at least two categories of images, each category of images representing a subset of the plurality of images, receiving a query image, classifying the query image to select one of the at least two categories of images, and restricting the search for the image of interest using the query image to the selected one of the at least two categories of images.
摘要翻译：提供了一种用于具有分类结构的图像的有效语义相似性搜索的系统和方法。该系统和方法提供用于构建多个图像的语义分类搜索树，分类树包括至少两个图像类别，每个类别的图像表示多个图像的子集，接收查询图像，分类查询图像以选择所述至少两个类别的图像中的一个，并且使用查询图像将所搜索的图像搜索到所选择的至少两个图像类别中。

16. 发明申请

US20100290697A1 METHODS AND SYSTEMS FOR COLOR CORRECTION OF 3D IMAGES 有权
标题翻译： 3D图像颜色校正的方法和系统
公开(公告)号：US20100290697A1
公开(公告)日：2010-11-18
申请号：US12311839
申请日：2006-10-21
申请人： Ana B. Benitez , Dong-Qing Zhang , James A. Fancher
发明人： Ana B. Benitez , Dong-Qing Zhang , James A. Fancher
IPC分类号： G06K9/00 , H04N13/02 , H04N13/04
CPC分类号： G06T15/20 , G06T15/50
摘要： A system and method for color correction of 3D images including at least two separate image streams captured for a same scene include determining three-dimensional properties of at least a portion of a selected image stream, the three-dimensional properties including light and surface reflectance properties, surface color, reflectance properties, scene geometry and the like. A look of the portion of the selected image stream is then modified by altering the value of at least one of the determined three-dimensional properties and, in one embodiment, applying image formation theory. The modifications are then rendered in an output 3D picture either automatically and/or according to user inputs. In various embodiments, corrections made to the selected one of the at least two image streams can be automatically applied to the other of the image streams.
摘要翻译：包括为相同场景捕获的至少两个分开的图像流的3D图像的颜色校正的系统和方法包括确定所选图像流的至少一部分的三维特性，包括光和表面反射特性，表面颜色，反射性，场景几何等。然后通过改变所确定的三维属性中的至少一个的值，并且在一个实施例中应用图像形成理论来修改所选图像流的部分的外观。然后，这些修改自动地和/或根据用户输入在输出3D图像中呈现。在各种实施例中，对所选择的至少两个图像流中的一个图像流进行的校正可被自动地应用于另一个图像流。

17. 发明申请

US20100208994A1 Filling holes in depth maps 有权
标题翻译：在深度图填充孔
公开(公告)号：US20100208994A1
公开(公告)日：2010-08-19
申请号：US12658464
申请日：2010-02-09
申请人： Ning Yao , Izzat Izzat , Tao Zhang , Dong-Qing Zhang
发明人： Ning Yao , Izzat Izzat , Tao Zhang , Dong-Qing Zhang
IPC分类号： G06K9/34
CPC分类号： G06T5/005 , G06T7/11 , G06T7/162 , G06T2207/10024 , G06T2207/10028
摘要： Various implementations relate to improving depth maps. This may be done, for example, by identifying bad depth values and modifying those values. The values may represent, for example, holes and/or noise. According to a general aspect, a segmentation is determined based on an intensity image. The intensity image is associated with a corresponding depth image that includes depth values for corresponding locations in the intensity image. The segmentation is applied to the depth image to segment the depth image into multiple regions. A depth value is modified in the depth image based on the segmentation. A two-stage iterative procedure may be used to improve the segmentation and then modify bad depth values in the improved segmentation, and iterating until a desired level of smoothness is achieved. Both stages may be based, for example, on average depth values in a segment.
摘要翻译：各种实现涉及改进深度图。这可以通过例如识别不良深度值和修改这些值来完成。这些值可以表示例如孔和/或噪声。根据一般方面，基于强度图像来确定分割。强度图像与包括强度图像中相应位置的深度值的对应深度图像相关联。分割应用于深度图像，将深度图像分割成多个区域。基于分割，在深度图像中修改深度值。可以使用两阶段迭代程序来改进分割，然后在改进的分割中修改不良深度值，并且迭代直到实现所需的平滑度。这两个阶段可以基于例如一段中的平均深度值。

18. 发明申请

US20090167843A1 Two pass approach to three dimensional Reconstruction 审中-公开
标题翻译：两通三维重建方法
公开(公告)号：US20090167843A1
公开(公告)日：2009-07-02
申请号：US12308023
申请日：2006-06-08
申请人： Izzat Hekmat Izzat , Dong-Qing Zhang , Mike Arthur Derrenberger
发明人： Izzat Hekmat Izzat , Dong-Qing Zhang , Mike Arthur Derrenberger
IPC分类号： H04N13/00 , G06T17/00
CPC分类号： G06T7/593
摘要： A method includes scanning a static background for background three dimensional information, scanning a dynamic foreground for foreground three dimensional information and combining the background and foreground three dimensional information to obtain a three dimensional model.
摘要翻译：一种方法包括扫描背景三维信息的静态背景，扫描前景三维信息的动态前景，并组合背景和前景三维信息以获得三维模型。

19. 发明授权

US09769462B2 System and method for combining text with three dimensional content 有权
公开(公告)号：US09769462B2
公开(公告)日：2017-09-19
申请号：US12531101
申请日：2007-12-19
申请人： Izzat Izzat , Dong-Qing Zhang , Yousef Wasef Nijim
发明人： Izzat Izzat , Dong-Qing Zhang , Yousef Wasef Nijim
IPC分类号： H04N13/00 , H04N13/02 , H04N13/04
CPC分类号： H04N13/293 , H04N13/128 , H04N13/156 , H04N13/183 , H04N13/275 , H04N13/361 , H04N2213/003
摘要： A system and method for combining and/or displaying text with three-dimensional content. The system and method inserts text at the same level as the highest depth value in the 3D content. One example of 3D content is a two-dimensional image and an associated depth map. In this case, the depth value of the inserted text is adjusted to match the largest depth value of the given depth map. Another example of 3D content is a plurality of two-dimensional images and associated depth maps. In this case, the depth value of the inserted text is continuously adjusted to match the largest depth value of a given depth map. A further example of 3D content is stereoscopic content having a right eye image and a left eye image. In this case the text in one of the left eye image and right eye image is shifted to match the largest depth value in the stereoscopic image. Yet another example of 3D content is stereoscopic content having a plurality of right eye images and left eye images. In this case the text in one of the left eye images or right eye images is continuously shifted to match the largest depth value in the stereoscopic images. As a result, the system and method of the present disclosure produces text combined with 3D content wherein the text does not obstruct the 3D effects in the 3D content and does not create visual fatigue when viewed by a viewer.

20. 发明授权

US09544598B2 Methods and apparatus for pruning decision optimization in example-based data pruning compression 有权
标题翻译：在基于示例的数据修剪压缩中修剪决策优化的方法和装置
公开(公告)号：US09544598B2
公开(公告)日：2017-01-10
申请号：US13821393
申请日：2011-09-09
申请人： Qiang Hao , Dong-Qing Zhang
发明人： Qiang Hao , Dong-Qing Zhang
IPC分类号： H04N19/19 , H04N19/00 , H04N19/85 , H04N19/59 , H04N19/176 , H04N19/147 , H04N19/46 , H04N19/132
CPC分类号： H04N19/85 , H04N19/132 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/46 , H04N19/59
摘要： An apparatus includes a patch library creator for creating a first patch library from an original version of the picture and a second patch library from a reconstructed version of the picture. Each of the libraries includes a plurality of high resolution replacement patches for replacing one or more pruned blocks during a recovery of a pruned version of the picture. A pruner generates the pruned version from the first patch library, and decides whether to respectively replace original blocks with pruned blocks responsive to a comparison between a first rate-distortion estimate and a second rate-distortion estimate. The estimates are based on both a distortion component and a bitrate component. A metadata generator generates metadata from the second patch library. The metadata is for recovering the pruned version. An encoder encodes the pruned version and the metadata.
摘要翻译：一种装置包括补丁库创建器，用于从图像的原始版本创建第一补丁库，以及从图像的重构版本创建第二补丁库。每个库包括多个高分辨率替换补丁，用于在恢复修剪版本的图片期间替换一个或多个修剪的块。修剪器从第一补丁库生成修剪版本，并且响应于第一速率失真估计和第二速率失真估计之间的比较，决定是否分别用修剪的块替换原始块。估计基于失真分量和比特率分量。元数据生成器从第二个补丁库生成元数据。元数据用于恢复修剪版本。编码器对修剪的版本和元数据进行编码。

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