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41. 发明授权

US06356668B1 Method for efficient rate control 有权
标题翻译：有效率控制的方法
公开(公告)号：US06356668B1
公开(公告)日：2002-03-12
申请号：US09222483
申请日：1998-12-29
申请人： Chris W. Honsinger , Majid Rabbani , Paul W. Jones
发明人： Chris W. Honsinger , Majid Rabbani , Paul W. Jones
IPC分类号： G06K946
CPC分类号： G06T9/00
摘要： An efficient method for determining the compressed rate of a digital image with a given set of compression parameters, the method comprises the steps of forming a plurality of non-overlapping image regions, each of which includes a plurality of contiguous pixels, from the digital image where the total number of pixels contained in all of the contiguous regions is less than the total pixels in the digital image; compressing each region with the given set of compression parameters; and, combining the resulting rate from each region to form an estimate of the compressed rate of the digital image.
摘要翻译：一种用于使用给定的一组压缩参数来确定数字图像的压缩率的有效方法，所述方法包括以下步骤：从数字图像形成多个非重叠图像区域，每个非重叠图像区域包括多个连续像素其中包含在所有连续区域中的像素总数小于数字图像中的总像素; 用给定的一组压缩参数压缩每个区域; 并且将来自每个区域的结果速率组合以形成数字图像的压缩率的估计。

42. 发明授权

US5442458A Method and associated apparatus for encoding bitplanes for improved coding efficiency 失效
标题翻译：用于编码位平面的方法和相关设备，以提高编码效率
公开(公告)号：US5442458A
公开(公告)日：1995-08-15
申请号：US809364
申请日：1991-12-18
申请人： Majid Rabbani , Paul W. Melnychuck
发明人： Majid Rabbani , Paul W. Melnychuck
IPC分类号： H03M7/30 , H04N1/41 , H04N7/26 , H04N1/00
CPC分类号： H04N1/41
摘要： An encoding method is described for image bitplanes whereby an arithmetic coder using conditioning contexts based on pixels from both the current bitplane and previously decoded bitplanes is employed. For the same number of contexts (which is important for minimizing memory usage), the method provides for higher compression than those methods based on a single bitplane context. An additional improvement over the prior art is that the method eliminates the need to form a Gray code bit plane representation, as is commonly done to reduce the correlation among bit planes. However, if used on conjunction with the gray code, a small improvement in compression performance will still be realized.
摘要翻译：对于图像位平面描述了编码方法，由此采用使用基于来自当前位平面和先前解码的位平面的像素的调节上下文的算术编码器。对于相同数量的上下文（这对于最小化内存使用而言很重要），该方法提供比基于单个位平面上下文的那些方法更高的压缩。相对于现有技术的另外的改进是，该方法消除了形成格雷码位平面表示的需要，如通常所做的那样来减少位平面之间的相关性。然而，如果与灰色代码一起使用，仍然可以实现压缩性能的小幅改善。

43. 发明授权

US4780761A Digital image compression and transmission system visually weighted transform coefficients 失效
标题翻译：数字图像压缩和传输系统视觉加权变换系数
公开(公告)号：US4780761A
公开(公告)日：1988-10-25
申请号：US57413
申请日：1987-06-02
申请人： Scott J. Daly , Majid Rabbani , Cheng-Tie Chen
发明人： Scott J. Daly , Majid Rabbani , Cheng-Tie Chen
IPC分类号： H04N7/26 , H04N7/30 , H04N7/133
CPC分类号： H04N19/60
摘要： A system for compressing and transmitting a digital image signal over a limited bandwidth communication channel, transform codes the image values and quantizes the transform coefficients according to a two-dimensional model of the sensitivity of the human visual system. The model of the human visual system is characterized by being less sensitive to diagonally oriented spatial frequencies than to horizontally or vertically oriented spatial frequencies, thereby achieving increased compression of the image.
摘要翻译：一种用于在有限带宽通信信道上压缩和发送数字图像信号的系统，根据人类视觉系统的灵敏度的二维模型对图像值进行变换编码并量化变换系数。人类视觉系统的模型的特征在于对角度定向的空间频率比对水平或垂直取向的空间频率更不敏感，从而实现图像的增加的压缩。

44. 发明申请

US20120182391A1 DETERMINING A STEREO IMAGE FROM VIDEO 有权
标题翻译：从视频确定立体图像
公开(公告)号：US20120182391A1
公开(公告)日：2012-07-19
申请号：US13006674
申请日：2011-01-14
申请人： Andrew Charles Gallagher , Jiebo Luo , Majid Rabbani
发明人： Andrew Charles Gallagher , Jiebo Luo , Majid Rabbani
IPC分类号： H04N13/02
CPC分类号： H04N13/221 , H04N13/211
摘要： A method of producing a stereo image from a digital video includes receiving a digital video including a plurality of digital images captured by an image capture device; and using a processor to produce stereo suitability scores for at least two digital images from the plurality of digital images. The method further includes selecting a stereo candidate image based on the stereo suitability scores; producing a stereo image from the selected stereo candidate image wherein the stereo image includes the stereo candidate image and an associated stereo companion image based on the plurality of digital images from the digital video; and storing the stereo image whereby the stereo image can be presented for viewing by a user.
摘要翻译：从数字视频产生立体声图像的方法包括：接收包括由图像捕捉装置拍摄的多个数字图像的数字视频; 以及使用处理器来产生来自所述多个数字图像的至少两个数字图像的立体适应性评分。该方法还包括：基于立体适应度得分来选择立体候选图像; 从所选择的立体声候选图像中产生立体图像，其中立体图像包括基于来自数字视频的多个数字图像的立体候选图像和相关联的立体声伴随图像; 并且存储立体图像，由此可以呈现立体图像以供用户观看。

45. 发明申请

US20110267477A1 RANGE MEASUREMENT USING SYMMETRIC CODED APERTURES 有权
标题翻译：使用对称编码方式的范围测量
公开(公告)号：US20110267477A1
公开(公告)日：2011-11-03
申请号：US12770919
申请日：2010-04-30
申请人： Paul J. Kane , Majid Rabbani , Sen Wang
发明人： Paul J. Kane , Majid Rabbani , Sen Wang
IPC分类号： H04N5/247 , H04N5/228
CPC分类号： H04N5/23212 , G02B7/36 , G06T7/529 , G06T7/571
摘要： A method of using an image capture device to identify range information for objects in a scene includes providing an image capture device having an image sensor, a coded aperture having circular symmetry, and a lens; storing in a memory a set of blur parameters derived from range calibration data; capturing images of the scene having a plurality of objects; producing a set of reference edge images using the blur parameters from the stored set; providing a set of deblurred images using the captured image, the reference edges and each of the blur parameters from the stored set; and using the set of deblurred images to determine the range information for the objects in the scene.
摘要翻译：使用图像捕获装置识别场景中的物体的范围信息的方法包括提供具有图像传感器，具有圆形对称性的编码孔径和透镜的图像捕获装置; 在存储器中存储由范围校准数据导出的一组模糊参数; 捕获具有多个对象的场景的图像; 使用来自存储集的模糊参数产生一组参考边缘图像; 使用所捕获的图像提供一组去模糊图像，来自存储的集合的参考边缘和每个模糊参数; 并使用一组去模糊图像来确定场景中对象的范围信息。

46. 发明申请

US20070237225A1 Method for enabling preview of video files 审中-公开
标题翻译：启用预览视频文件的方法
公开(公告)号：US20070237225A1
公开(公告)日：2007-10-11
申请号：US11393025
申请日：2006-03-30
申请人： Jiebo Luo , Majid Rabbani
发明人： Jiebo Luo , Majid Rabbani
IPC分类号： H04N7/12 , H04N5/14
CPC分类号： G11B27/034 , G06F16/739 , G06F16/786 , G06K9/00711 , G11B27/28 , H04N19/137 , H04N19/172 , H04N19/46 , H04N19/467 , H04N19/527
摘要： A method of producing a video thumbnail for previewing a video file representing a digital video in a file browser includes extracting a plurality of key frames from the video file; producing a video thumbnail using an encoded representation of the extracted key frames; and displaying the video thumbnail through the file browser.
摘要翻译：一种产生用于在文件浏览器中预览表示数字视频的视频文件的视频缩略图的方法包括从视频文件中提取多个关键帧; 使用所提取的关键帧的编码表示产生视频缩略图; 并通过文件浏览器显示视频缩略图。

47. 发明申请

US20060274156A1 Image sequence stabilization method and camera having dual path image sequence stabilization 有权
标题翻译：具有双路径图像序列稳定的图像序列稳定化方法和相机
公开(公告)号：US20060274156A1
公开(公告)日：2006-12-07
申请号：US11130690
申请日：2005-05-17
申请人： Majid Rabbani , Aaron Deever , Gabriel Fielding , Robert Gretzinger
发明人： Majid Rabbani , Aaron Deever , Gabriel Fielding , Robert Gretzinger
IPC分类号： H04N5/228
CPC分类号： H04N5/23248 , H04N5/23254 , H04N5/23258 , H04N5/23261 , H04N5/23274 , H04N5/23293
摘要： In an image sequence stabilization method and a camera, a sequence of input digital images are captured. The sequence of input digital images is replicated to provide a corresponding sequence of archival images and a corresponding sequence of display images. The archival image sequence is automatically stabilized to provide a stabilized archival image sequence. The display image sequence is automatically stabilized to provide a stabilized display image sequence. The stabilization methods used for the two sequences are different, although both can be digital.
摘要翻译：在图像序列稳定化方法和相机中，捕获输入数字图像的序列。复制输入数字图像的序列以提供对应的档案图像序列和相应的显示图像序列。归档图像序列自动稳定，以提供稳定的档案图像序列。显示图像序列自动稳定以提供稳定的显示图像序列。用于两个序列的稳定方法是不同的，尽管两者都可以是数字的。

48. 发明授权

US06993162B2 Method for authenticating animation 失效
公开(公告)号：US06993162B2
公开(公告)日：2006-01-31
申请号：US09882195
申请日：2001-06-15
申请人： Thomas M. Stephany , Majid Rabbani , John R. Squilla , Donald E. Olson
发明人： Thomas M. Stephany , Majid Rabbani , John R. Squilla , Donald E. Olson
IPC分类号： G06K9/00
CPC分类号： G06T9/001 , H04N19/467
摘要： A method for authenticating animation, the method comprises the steps of capturing an image; converting the captured image into a wire mesh data for permitting animation of the image; providing movement data, which directs movement of the wire mesh data, and texture data indicating the covering for the wire mesh; electronically transmitting the wire mesh data, texture data and movement data; encrypting the movement data; and electronically transmitting the encryption the movement data for verifying that the animation is unaltered during transmission from its source.

49. 发明申请

US20050107982A1 Method and system for noise estimation from video sequence 审中-公开
标题翻译：视频序列噪声估计方法及系统
公开(公告)号：US20050107982A1
公开(公告)日：2005-05-19
申请号：US10715276
申请日：2003-11-17
申请人： Zhaohui Sun , Gabriel Fielding , Majid Rabbani
发明人： Zhaohui Sun , Gabriel Fielding , Majid Rabbani
IPC分类号： G06F15/00 , G06T5/00 , G06T5/40 , H04N5/21
CPC分类号： H04N5/21 , G06T5/002 , G06T2207/10016 , G06T2207/20008 , G06T2207/20216
摘要： A method for determining the noise level, as characterized by the standard deviation, of an input video sequence corrupted by unknown noise comprises the steps of: (a) spatiotemporally filtering the input video sequence, thereby producing a filtered video sequence; (b) estimating a standard deviation from the difference between the input video sequence and the filtered video sequence, thereby producing an estimated standard deviation; and (c) iterating through steps (a) and (b) using the estimated standard deviation previously obtained from step (b) to perform the filtering in step (a) until the value of the noise level approaches the unknown noise, whereby the noise level is then characterized by a finally determined standard deviation.
摘要翻译：用于确定由未知噪声损坏的输入视频序列的标准偏差特征的噪声水平的方法包括以下步骤：（a）对输入视频序列进行时空滤波，从而产生滤波后的视频序列; （b）从输入视频序列和滤波视频序列之间的差估计标准偏差，从而产生估计的标准偏差; 和（c）使用先前从步骤（b）获得的估计标准偏差来迭代步骤（a）和（b），以在步骤（a）中执行滤波，直到噪声电平的值接近未知噪声，由此噪声然后通过最终确定的标准偏差来表征水平。

50. 发明授权

US06895122B2 Method and system for determining DCT block boundaries 有权
标题翻译：用于确定DCT块边界的方法和系统
公开(公告)号：US06895122B2
公开(公告)日：2005-05-17
申请号：US09891161
申请日：2001-06-25
申请人： Paul W. Jones , Majid Rabbani , John E. Hoover
发明人： Paul W. Jones , Majid Rabbani , John E. Hoover
IPC分类号： G06K9/00 , G06K9/36 , G06K9/46 , H04N7/26 , H04N7/30
CPC分类号： H04N19/86 , H04N19/60
摘要： The horizontal and vertical offset for the M×N DCT block boundaries are determined for a decompressed image originally produced by a DCT-based compression system, regardless of the amount of compression and/or cropping that had been applied to the image. The method includes the steps of: a) computing one or more selected DCT coefficients from nonoverlapping, contiguous M×N blocks of the decompressed image, beginning at a selected offset; b) computing a coefficient histogram from a set of values for each selected DCT coefficient obtained from the blocks of the decompressed image; c) computing a dispersion metric from each coefficient histogram; d) repeating steps (a) through (c) for a plurality of offsets within an M×N block; e) comparing the dispersion metrics corresponding to the plurality of offsets to determine the minimum dispersion coefficient histogram; and f) selecting the offset that corresponds to the minimum dispersion coefficient histogram as the offset for the DCT block boundaries.
摘要翻译：对于原始由基于DCT的压缩系统产生的解压缩图像，确定MxN DCT块边界的水平和垂直偏移，而不管施加到图像的压缩和/或裁剪的量。该方法包括以下步骤：a）从解压缩图像的非重叠，连续的M×N块以选定的偏移开始计算一个或多个选定的DCT系数; b）从从解压缩图像的块获得的每个所选DCT系数的一组值中计算系数直方图; c）从每个系数直方图计算色散度量; d）对MxN块内的多个偏移重复步骤（a）至（c）; e）比较与多个偏移相对应的色散度量，以确定最小色散系数直方图; 以及f）选择对应于最小色散系数直方图的偏移量作为DCT块边界的偏移量。

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