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    • 2. 发明授权
    • Image view synthesis using a three-dimensional reference model
    • 使用三维参考模型的图像视图合成
    • US08619071B2
    • 2013-12-31
    • US12211596
    • 2008-09-16
    • Johannes P. KopfMichael F. CohenDaniel LischinskiMatthieu T. Uyttendaele
    • Johannes P. KopfMichael F. CohenDaniel LischinskiMatthieu T. Uyttendaele
    • G06T15/00G09G5/02
    • G06T15/20
    • A novel image view may be synthesized using a three-dimensional reference model. In an example embodiment, a device-implemented method for synthesizing a novel image view includes acts of registering, selecting, applying and synthesizing. An image is registered to at least one reference model. A source block of visual data from the image is selected with regard to a destination block of the reference model based on a source depth associated with the source block and a destination depth associated with the destination block. The destination position of the destination block of the reference model is not visible in the image. The source block of visual data from the image is applied to the destination block of the reference model to produce an image-augmented model. A novel image view is synthesized using the image-augmented model.
    • 可以使用三维参考模型来合成新颖的图像视图。 在示例性实施例中,用于合成新颖图像视图的设备实现方法包括注册,选择,应用和合成的动作。 图像被注册到至少一个参考模型。 基于与源块相关联的源深度和与目的地块相关联的目的地深度,针对参考模型的目的地块来选择来自图像的视觉数据的源块。 参考模型的目的地块的目标位置在图像中不可见。 来自图像的视觉数据的源块被应用于参考模型的目的地块以产生图像增强模型。 使用图像增强模型合成新颖的图像视图。
    • 4. 发明申请
    • Image View Synthesis Using a Three-Dimensional Reference Model
    • 使用三维参考模型的图像视图合成
    • US20100066732A1
    • 2010-03-18
    • US12211596
    • 2008-09-16
    • Johannes P. KopfMichael F. CohenDaniel LischinskiMatthieu T. Uyttendaele
    • Johannes P. KopfMichael F. CohenDaniel LischinskiMatthieu T. Uyttendaele
    • G06T15/20
    • G06T15/20
    • A novel image view may be synthesized using a three-dimensional reference model. In an example embodiment, a device-implemented method for synthesizing a novel image view includes acts of registering, selecting, applying and synthesizing. An image is registered to at least one reference model. A source block of visual data from the image is selected with regard to a destination block of the reference model based on a source depth associated with the source block and a destination depth associated with the destination block. The destination position of the destination block of the reference model is not visible in the image. The source block of visual data from the image is applied to the destination block of the reference model to produce an image-augmented model. A novel image view is synthesized using the image-augmented model.
    • 可以使用三维参考模型来合成新颖的图像视图。 在示例性实施例中,用于合成新颖图像视图的设备实现方法包括注册,选择,应用和合成的动作。 图像被注册到至少一个参考模型。 基于与源块相关联的源深度和与目的地块相关联的目的地深度,针对参考模型的目的地块来选择来自图像的视觉数据的源块。 参考模型的目的地块的目标位置在图像中不可见。 来自图像的视觉数据的源块被应用于参考模型的目的地块以产生图像增强模型。 使用图像增强模型合成新颖的图像视图。
    • 5. 发明授权
    • Joint bilateral upsampling
    • 联合双边采样
    • US07889949B2
    • 2011-02-15
    • US11742325
    • 2007-04-30
    • Michael F. CohenMatthew T. UyttendaeleDaniel LischinskiJohannes Kopf
    • Michael F. CohenMatthew T. UyttendaeleDaniel LischinskiJohannes Kopf
    • G06K9/32
    • G06T3/4007
    • A “Joint Bilateral Upsampler” uses a high-resolution input signal to guide the interpolation of a low-resolution solution set (derived from a downsampled version of the input signal) from low-to high-resolution. The resulting high-resolution solution set is then saved or applied to the original input signal to produce a high-resolution output signal. The high-resolution solution set is close to what would be produced directly from the input signal without downsampling. However, since the high-resolution solution set is constructed in part from a downsampled version of the input signal, it is computed using significantly less computational overhead and memory than a solution set computed directly from a high-resolution signal. Consequently, the Joint Bilateral Upsampler is advantageous for use in near real-time operations, in applications where user wait times are important, and in systems where computational costs and available memory are limited.
    • “联合双边上行采样器”使用高分辨率输入信号来引导低分辨率解集(从输入信号的下采样版本导出)的内插从低到高分辨率。 然后将所得到的高分辨率解决方案集保存或应用于原始输入信号以产生高分辨率输出信号。 高分辨率解决方案集合接近于直接从输入信号产生的,而无需采样。 然而,由于高分辨率解集合部分地由输入信号的下采样版本构成,所以与直接从高分辨率信号计算的解集相比,使用显着更少的计算开销和存储器来计算。 因此,联合双边上行采样器在用户等待时间重要的应用中以及在计算成本和可用存储器受到限制的系统中有利于近实时操作。
    • 6. 发明申请
    • JOINT BILATERAL UPSAMPLING
    • 联合双边UPSAMPLING
    • US20080267494A1
    • 2008-10-30
    • US11742325
    • 2007-04-30
    • Michael F. CohenMatthew T. UyttendaeleDaniel LischinskiJohannes Kopf
    • Michael F. CohenMatthew T. UyttendaeleDaniel LischinskiJohannes Kopf
    • G06K9/00
    • G06T3/4007
    • A “Joint Bilateral Upsampler” uses a high-resolution input signal to guide the interpolation of a low-resolution solution set (derived from a downsampled version of the input signal) from low-to high-resolution. The resulting high-resolution solution set is then saved or applied to the original input signal to produce a high-resolution output signal. The high-resolution solution set is close to what would be produced directly from the input signal without downsampling. However, since the high-resolution solution set is constructed in part from a downsampled version of the input signal, it is computed using significantly less computational overhead and memory than a solution set computed directly from a high-resolution signal. Consequently, the Joint Bilateral Upsampler is advantageous for use in near real-time operations, in applications where user wait times are important, and in systems where computational costs and available memory are limited.
    • “联合双边上行采样器”使用高分辨率输入信号来引导低分辨率解集(从输入信号的下采样版本导出)的内插从低到高分辨率。 然后将所得到的高分辨率解决方案集保存或应用于原始输入信号以产生高分辨率输出信号。 高分辨率解决方案集合接近于直接从输入信号产生的,而无需采样。 然而,由于高分辨率解集合部分地由输入信号的下采样版本构成,所以与直接从高分辨率信号计算的解集相比,使用显着更少的计算开销和存储器来计算。 因此,联合双边上行采样器在用户等待时间重要的应用中以及在计算成本和可用存储器受到限制的系统中有利于近实时操作。
    • 7. 发明申请
    • Non-Rigid Dense Correspondence
    • 非刚性密集函数
    • US20130129213A1
    • 2013-05-23
    • US13223202
    • 2011-08-31
    • Elya ShechtmanDaniel Robert GoldmanYoav HaCohenDaniel Lischinski
    • Elya ShechtmanDaniel Robert GoldmanYoav HaCohenDaniel Lischinski
    • G06K9/00
    • G06T7/0028G06T7/33G06T2207/10024
    • Non-rigid dense correspondence (NRDC) for image enhancement may be performed. In one embodiment, a correspondence may be computed for each one of a plurality of regions of a source image to one of a plurality of regions of a reference image. Computing the correspondences may include searching within a search range for each of a plurality of image characteristics. One or more of the correspondences may be aggregated into matched regions. A global color transform and/or deblurring may be applied to the source image. In one embodiment, the global color transform and/or deblurring may be based on the matched regions. At least one of the search ranges may optionally be adjusted. In some embodiments, computing, aggregating, applying and/or deblurring, and adjusting may be iteratively performed.
    • 可以执行用于图像增强的非刚性密集对应(NRDC)。 在一个实施例中,可以将源图像的多个区域中的每一个的对应关系计算为参考图像的多个区域之一。 计算对应可以包括在搜索范围内搜索多个图像特征中的每一个。 一个或多个通信可以被聚合成匹配的区域。 全局颜色变换和/或去模糊可以应用于源图像。 在一个实施例中,全局颜色变换和/或去模糊可以基于匹配区域。 可以可选地调整至少一个搜索范围。 在一些实施例中,可以迭代地执行计算,聚合,应用和/或去模糊和调整。
    • 8. 发明申请
    • Closed form method and system for matting a foreground object in an image having a background
    • 用于对具有背景的图像中的前景对象进行消光的闭合形式方法和系统
    • US20070165966A1
    • 2007-07-19
    • US11487482
    • 2006-07-17
    • Yair WeissDaniel LischinskiAnat Levin
    • Yair WeissDaniel LischinskiAnat Levin
    • G06K9/36G06K9/34
    • H04N5/272H04N5/275
    • In a method and system for matting a foreground object F having an opacity α constrained by associating a characteristic with selected pixels in an image having a background B, weights are determined for all edges of neighboring pixels for the image and used to build a Laplacian matrix L. The equation α is solved where α=arg min αT Lα s.t.αi=si, ∀i ∈ S, S is the group of selected pixels, and si is the value indicated by the associated characteristic. The equation Ii=αiFi+(1−αi)Bi is solved for F and B with additional smoothness assumptions on F and B; after which the foreground object F may be composited on a selected background B′ that may be the original background B or may be a different background, thus allowing foreground features to be extracted from the original image and copied to a different background.
    • 在具有通过将特征与具有背景B的图像中的所选像素相关联而具有不透明度α的前景对象F消除的方法和系统中,为图像的相邻像素的所有边缘确定权重,并且用于构建拉普拉斯矩阵 方程式α被求解,其中α= arg minαL pha pha∈∈∈∈∈∈S S S is is is is is is is is 所选择的像素组以及相关联的特征所指示的值。 方程式I> i i i)))<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 对于F和B,对F和B进行额外的平滑假设求解/ SUB> 之后,可以将前景对象F合成到可以是原始背景B的选定背景B'上,或者可以是不同的背景,从而允许从原始图像提取前景特征并将其复制到不同的背景。
    • 9. 发明申请
    • APPLYING RAPID NUMERICAL APPROXIMATION OF CONVOLUTIONS WITH FILTERS FOR IMAGE PROCESSING PURPOSES
    • 适用于图像处理过滤器的转换的快速数值逼近
    • US20140219579A1
    • 2014-08-07
    • US14128966
    • 2012-06-27
    • Daniel LischinskiRaanan FattalZeev Farbman
    • Daniel LischinskiRaanan FattalZeev Farbman
    • G06T3/40
    • G06T3/4084G06F17/15G06T5/20
    • A computer implemented method for A computer implemented method for applying a numerical approximation of a convolution of image I as represented by hierarchical signals al of level l with filter f, said method including the steps of: generating a forward transformation by applying a convolution between al and kernel h1 for each level of hierarchy l and by down-sampling the result of convolved al and h1; generating a backward transformation by applying, for each level of hierarchy l, a convolution between kernel h2 and an up-sampled forward transformation and combining the result with a convolution of al with kernel g; and combining the forward transformation with the backward transformation, to yield â0 being an approximation of a convolution between a and f, wherein kernels h1, h1, and g are optimized kernels of filter f.
    • 一种用于A计算机实现的方法的计算机实现方法,用于对具有滤波器f的级别l的分层信号a1表示的图像I的卷积进行数值近似,所述方法包括以下步骤:通过应用al之间的卷积来生成正向变换 对于每个层次l的内核h1和通过对采用卷积的al和h1的结果进行下采样; 通过对每个级别l应用内核h2和上采样正向变换之间的卷积,并将结果与​​al与卷积g相结合,产生反向变换; 并将前向变换与反向变换相结合,得到α是a和f之间的卷积近似值,其中,内核h1,h1和g是滤波器f的优化内核。
    • 10. 发明申请
    • CLOSED FORM METHOD AND SYSTEM FOR MATTING A FOREGROUND OBJECT IN AN IMAGE HAVING A BACKGROUND
    • 用于在具有背景的图像中对前置对象进行匹配的封闭形式方法和系统
    • US20090278859A1
    • 2009-11-12
    • US12497800
    • 2009-07-06
    • Yair WeissDaniel LischinskiAnat Levin
    • Yair WeissDaniel LischinskiAnat Levin
    • G09G5/00
    • H04N5/272H04N5/275
    • In a method and system for matting a foreground object F having an opacity α constrained by associating a characteristic with selected pixels in an image having a background B, weights are determined for all edges of neighboring pixels for the image and used to build a Laplacian matrix L. The equation α is solved where α=arg min αT Lα s.t.αi=si, ∀iεS, S is the group of selected pixels, and si is the value indicated by the associated characteristic. The equation Ii=αiFi+(1−αi)Bi is solved for F and B with additional smoothness assumptions on F and B; after which the foreground object F may be composited on a selected background B′ that may be the original background B or may be a different background, thus allowing foreground features to be extracted from the original image and copied to a different background.
    • 在具有通过将特征与具有背景B的图像中的所选像素相关联而具有不透明度α的前景对象F消除的方法和系统中,为图像的相邻像素的所有边缘确定权重,并用于构建拉普拉斯矩阵 其中α= arg min alphaT Lalpha stalphai = si,∀iepsilonS,S是所选像素的组,si是由相关特征指示的值,求解方程α。 对于F和B求解方程Ii = alphaiFi +(1-alphai)Bi对F和B具有额外的平滑度假设; 之后,可以将前景对象F合成到可以是原始背景B的选定背景B'上,或者可以是不同的背景,从而允许从原始图像提取前景特征并将其复制到不同的背景。