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1. 发明申请

WO2007051978A2 VIDEO PROCESSING 审中-公开
标题翻译：视频处理
公开(公告)号：WO2007051978A2
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004001
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N7/01
CPC分类号： H04N7/012 , H04N5/145 , H04N7/014 , H04N19/52 , H04N19/527
摘要： Video processing apparatus in which at least a subset of output pixels of an output image are generated from one or more input images using motion vectors having a sub-pixel accuracy comprises a band filter for deriving a lower spatial frequency portion and a higher frequency portion from the one or more input images; means for deriving a lower frequency contribution relating to a pixel position nearest to a required output pixel position from the lower spatial frequency portion of the one or more input images using a respective motion vector; means for deriving a higher frequency contribution from the higher spatial frequency portion of the one or more input images using the respective motion vector; a spatial filter for generating, from one or more of the higher frequency contributions, a higher frequency pixel value at the required pixel position; and a combiner for combining the lower frequency contribution and the higher frequency pixel value to generate an output pixel value relating to the required pixel position.
摘要翻译：视频处理装置，其中使用具有子像素精度的运动矢量从一个或多个输入图像生成输出图像的输出像素的至少一个子集包括用于导出较低空间频率部分和较高频率部分的频带滤波器一个或多个输入图像; 用于使用相应的运动矢量从所述一个或多个输入图像的较低空间频率部分中导出与最接近所需输出像素位置的像素位置相关的较低频率贡献的装置; 用于使用各自的运动矢量从所述一个或多个输入图像的较高空间频率部分导出更高频率贡献的装置; 空间滤波器，用于从所述较高频率贡献中的一个或多个产生所需像素位置处的较高频率像素值; 以及组合器，用于组合较低频率贡献和较高频率像素值，以产生与所需像素位置相关的输出像素值。

2. 发明申请

WO2007051990A2 IMAGE PROCESSING 审中-公开
标题翻译：图像处理
公开(公告)号：WO2007051990A2
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004022
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N7/01 , G06T7/00
CPC分类号： H04N5/144 , H04N7/012
摘要： Image processing apparatus in which output pixels of an output image are generated from one or more input images using motion vectors having a sub-pixel accuracy comprises a motion vector allocator for allocating motion vectors in the set to pixels of the output image, the motion vector allocator being arranged to compare a current output pixel with test image areas pointed to by motion vectors in the set to detect a most suitable motion vector for the current output pixel; and a pixel generator for generating the output pixels, the pixel generator operating in a first mode if the output pixel is within a threshold displacement from an image region having substantially different motion characteristics to those of that output pixel, and in a second mode otherwise, the pixel generator comprising a spatial filter for generating an output pixel value at a required pixel position to a sub-pixel accuracy; in which: the pixel generator is operable, in the first mode, to apply its spatial filter to a group of pixel values derived from the input image(s) such that the group does not extend into an image area having substantially different motion characteristics, at least one such pixel value being applied to more than one non-zero filter tap; and the pixel generator is operable, in the second mode, to apply its spatial filter to a group of pixel values derived from the input image(s), there being one such pixel value for each non-zero filter tap.
摘要翻译：其中使用具有子像素精度的运动矢量从一个或多个输入图像生成输出图像的输出像素的图像处理设备包括：运动矢量分配器，用于将该组中的运动矢量分配给像素所述运动矢量分配器被布置为将当前输出像素与所述组中的运动矢量所指向的测试图像区域进行比较，以检测当前输出像素的最合适的运动矢量; 以及用于生成输出像素的像素生成器，如果输出像素在与具有与那个输出像素的运动特性基本不同的运动特性的图像区域的阈值位移内，则像素生成器以第一模式操作，并且在第二模式下，所述像素生成器包括空间滤波器，用于生成所需像素位置处的输出像素值到亚像素精度; 其中：在第一模式中，像素生成器可操作以将其空间滤波器应用于从输入图像导出的一组像素值，使得该组不延伸到具有基本上不同的运动特性的图像区域中，至少一个这样的像素值被应用于多于一个非零滤波器抽头; 并且像素生成器在第二模式中可操作以将其空间滤波器应用于从输入图像导出的一组像素值，对于每个非零滤波器抽头存在一个这样的像素值。

3. 发明申请

WO2007051983A1 VIDEO MOTION DETECTION 审中-公开
标题翻译：视频运动检测
公开(公告)号：WO2007051983A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004011
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N7/01 , H04N5/14 , H04N5/44 , G06T7/20
CPC分类号： H04N7/012 , G06T7/223 , G06T2207/10016 , H04N5/144 , H04N7/014
摘要： Video motion detection apparatus in which successive output images of an output video signal are generated with respect to images of an input video signal comprises means for applying a motion test to detect inter-image motion between two or more images of the input video signal, the motion test providing a set of one or more motion vectors for use in the generation of a respective output image, two such sets being generated; means for generating test output images using the respective sets of motion vectors; and means for comparing image areas in the test output images pointed to by the motion vectors in one or both sets, where, for a motion vector having less than a predetermined degree of similarity between the image areas, the image areas are divided into two or more smaller image areas and the comparison is applied again in respect of each of the two or more smaller areas; and means for inhibiting the use of motion vectors for which the corresponding image areas in the test output images have less than a predetermined degree of similarity at the image area sizes tested.
摘要翻译：视频运动检测装置，其中相对于输入视频信号的图像生成输出视频信号的连续输出图像包括用于应用运动测试以检测输入视频信号的两个或更多个图像之间的图像间运动的装置，运动测试提供用于产生相应输出图像的一个或多个运动矢量的集合，生成两个这样的组; 用于使用各组运动矢量产生测试输出图像的装置; 以及用于比较在一个或两个集合中由运动矢量指向的测试输出图像中的图像区域的装置，其中对于具有小于图像区域之间的预定相似度的运动矢量，图像区域被分成两个或更小的图像区域，并且再次对两个或更多个较小区域中的每一个进行比较; 以及用于禁止使用测试输出图像中的相应图像区域在所测图像区域尺寸上具有小于预定相似度的运动矢量的装置。

4. 发明申请

WO2005116910A2 IMAGE COMPARISON 审中-公开
标题翻译：图像比较
公开(公告)号：WO2005116910A2
公开(公告)日：2005-12-08
申请号：PCT/GB2005/002104
申请日：2005-05-27
申请人： SONY UNITED KINGDOM LIMITED , PORTER, Robert, Mark, Stefan , RAMBARUTH, Ratna , HAYNES, Simon, Dominic , LIVING, Jonathan , GILLARD, Clive, Henry
发明人： PORTER, Robert, Mark, Stefan , RAMBARUTH, Ratna , HAYNES, Simon, Dominic , LIVING, Jonathan , GILLARD, Clive, Henry
IPC分类号： G06K9/00
CPC分类号： G06K9/00248 , G06K9/00295
摘要： A method of comparing a test image with a set of reference images, there being more than one reference image, comprises the steps of: dividing the test image into one or more test regions; for each test region, comparing the test region with one or more reference regions in one or more reference images and identifying the reference region that most closely corresponds to the test region; and generating a comparison value from the comparisons of the test regions with their correspondingly identified reference regions.
摘要翻译：一种将测试图像与一组参考图像进行比较的方法，所述多个参考图像包括以下步骤：将测试图像分成一个或多个测试区域; 对于每个测试区域，将测试区域与一个或多个参考图像中的一个或多个参考区域进行比较，并且识别最接近于测试区域的参考区域; 以及从测试区域与其相应识别的参考区域的比较产生比较值。

5. 发明申请

WO2007051993A1 VIDEO MOTION DETECTION 审中-公开
标题翻译：视频运动检测
公开(公告)号：WO2007051993A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004029
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N5/14 , H04N7/26 , H04N7/36
CPC分类号： H04N5/145 , H04N7/014
摘要： Video motion detection apparatus comprises means for applying a motion test by comparing test areas of an image with respective sets of candidate areas in that or another image and generating motion vectors in dependence on a displacement between each test area and a candidate area giving a greatest similarity between the test area and that candidate area; and means for applying an integrity test to test the motion vectors; in which: for a motion vector failing the integrity test, the corresponding test area is divided into two or more smaller test areas and the motion test is applied again in respect of the two or more smaller areas; and a motion vector passing the integrity test is made available as an output of the apparatus.
摘要翻译：视频运动检测装置包括用于通过将图像的测试区域与该图像或另一图像中的各组候选区域进行比较来应用运动测试的装置，并且根据每个测试区域和给出最大相似性的候选区域之间的位移产生运动向量在测试区域和候选区域之间; 以及用于应用完整性测试来测试运动矢量的装置; 其中：对于没有完整性测试的运动矢量，相应的测试区域被分成两个或更多个较小的测试区域，并且针对两个或更多个较小区域再次应用运动测试; 并且通过完整性测试的运动矢量可用作设备的输出。

6. 发明申请

WO2007051991A2 VIDEO PROCESSING 审中-公开
标题翻译：视频处理
公开(公告)号：WO2007051991A2
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004023
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N7/01
CPC分类号： H04N7/012 , H04N7/014
摘要： Video processing apparatus in which an output frame is generated from two or more input images by deriving pixels to interleave between lines of pixels of a base field, the pixels being derived from one of at least two pixel generators: a first pixel generator arranged to generate a pixel value from one or more fields other than the base field, in dependence on a respective motion vector having a sub-pixel resolution; and a second pixel generator arranged to generate a pixel value from other pixels of the base field; comprises a spatial phase- correcting filter arrangement which receives a group of derived pixels including a current derived pixel as an input, and generates a phase-corrected current pixel value as an output; and pre-compensation means, operable if a pixel forming part of the group of derived pixels has been generated by the second pixel generator, to apply a spatial phase alteration to approximate the phase of that pixel to the phase of the current derived pixel.
摘要翻译：一种视频处理装置，其中通过从两个或更多个输入图像生成输出帧，所述输出帧通过导出像素以在基本像素的像素行之间进行交织，所述像素从至少两个像素发生器之一导出：第一像素发生器，根据具有子像素分辨率的相应运动矢量，来自一个或多个除基本场之外的场的像素值; 以及第二像素发生器，被布置成从所述基场的其他像素生成像素值; 包括空间相位校正滤波器装置，其接收包括当前导出像素的一组导出像素作为输入，并且生成相位校正的当前像素值作为输出; 以及预补偿装置，如果形成所述一组导出像素的一部分的像素已由所述第二像素发生器产生，则施加空间相位改变以将所述像素的相位逼近所述当前导出像素的相位。

7. 发明申请

WO2007051986A2 IMAGE PROCESSING 审中-公开
标题翻译：图像处理
公开(公告)号：WO2007051986A2
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004017
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N5/14 , H04N5/44 , H04N7/26 , H04N7/46
CPC分类号： H04N5/145 , H04N7/012 , H04N19/112 , H04N19/137 , H04N19/40 , H04N19/51 , H04N19/523 , H04N19/587 , H04N19/59
摘要： Image processing apparatus in which output pixels of an output image are generated from one or more input images using motion vectors having a sub-pixel accuracy comprises a motion vector allocator for allocating motion vectors in the set to pixels of the output image, the motion vector allocator being arranged to compare a current output pixel with test image areas pointed to by motion vectors in the set to detect a most suitable motion vector for the current output pixel, the motion vector allocator comprising a spatial filter for comparing the current output pixel and a test image area to a sub-pixel accuracy; and a pixel generator for generating the output pixels, the pixel generator comprising a spatial filter for generating an output pixel value at a required pixel position to a sub-pixel accuracy; in which the spatial filter of the motion vector allocator has fewer filter taps than the spatial filter of the pixel generator.
摘要翻译：使用具有子像素精度的运动矢量从一个或多个输入图像生成输出图像的输出像素的图像处理装置包括运动矢量分配器，用于将集合中的运动矢量分配给输出图像的像素，运动矢量分配器被布置为将当前输出像素与所述组中的运动矢量指向的测试图像区域进行比较，以检测当前输出像素的最合适的运动矢量，所述运动矢量分配器包括用于比较当前输出像素的空间滤波器和测试图像区域到子像素精度; 以及用于产生输出像素的像素发生器，所述像素生成器包括用于在所需像素位置处产生子像素精度的输出像素值的空间滤波器; 其中运动矢量分配器的空间滤波器具有比像素生成器的空间滤波器更少的滤波器抽头。

8. 发明申请

WO2007051985A1 VIDEO MOTION DETECTION 审中-公开
标题翻译：视频运动检测
公开(公告)号：WO2007051985A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004016
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , LIVING, Jonathan
发明人： LIVING, Jonathan
IPC分类号： H04N5/14 , H04N7/26
CPC分类号： H04N5/145 , H04N7/012 , H04N19/16 , H04N19/523 , H04N19/57 , H04N19/86 , H04N19/895
摘要： Video motion detection apparatus comprises means for applying a motion test to detect inter-image motion between two or more test images, the motion test providing a test result providing a motion vector and an indication of the integrity of the detected motion vector; and means for applying the motion test to one of the test images, to detect intra-image similarity within that test image; in which the motion vector generated by the inter-image motion test is made available as an output of the apparatus if its associated test result indicates a greater integrity than the test result obtained by the intra-image similarity test; and the motion vector generated by the inter-image motion test is not made available as an output of the apparatus if its associated test result does not indicate a greater integrity than the test result obtained by the intra-image similarity test.
摘要翻译：视频运动检测装置包括用于应用运动测试以检测两个或更多个测试图像之间的图像间运动的装置，所述运动测试提供提供运动矢量的测试结果和检测到的运动矢量的完整性的指示; 以及用于将运动测试应用于所述测试图像之一以检测所述测试图像内的图像内相似度的装置; 如果其相关联的测试结果指示比通过图像内相似性测试获得的测试结果更大的完整性，则通过图像间运动测试生成的运动矢量可用作设备的输出; 并且如果其相关联的测试结果不表示比通过图像内相似性测试获得的测试结果更大的完整性，则通过图像间运动测试生成的运动矢量不能用作设备的输出。

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