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1. 发明申请

WO2008059229A2 ALIAS AVOIDANCE IN IMAGE PROCESSING 审中-公开
标题翻译：图像处理中的别名避免
公开(公告)号：WO2008059229A2
公开(公告)日：2008-05-22
申请号：PCT/GB2007/004329
申请日：2007-11-12
申请人： SONY UNITED KINGDOM LIMITED , BURNS, James, Edward , SHARMAN, Karl, James , SAUNDERS, Nicholas, Ian
发明人： BURNS, James, Edward , SHARMAN, Karl, James , SAUNDERS, Nicholas, Ian
IPC分类号： G06T3/40
CPC分类号： G06T3/403
摘要： Image processing apparatus in which output pixel values are generated with respect to pixels of an input image selected in accordance with an image feature direction in the input image comprises comparing means for comparing blocks of pixels of the input image, the blocks being disposed with respect to a pixel position under test so that a correlation between the blocks would indicate an image feature direction applicable to that pixel position; and validating means, operable in respect of an image feature direction detected by the comparing means in respect of the pixel position under test, for detecting whether that image feature direction may be used to interpolate an output pixel value at that pixel position, the validating means being arranged (i) to detect whether the detected image feature direction is similar to image feature directions applicable to n image regions, where n > 1, disposed with respect to the pixel position under test; and (ii) to validate the image feature direction for the pixel position under test for use to interpolate an output pixel value at that pixel position if the detected image feature direction is similar to image feature directions of at least a predetermined number m, where m
摘要翻译：其中对于根据输入图像中的图像特征方向选择的输入图像的像素生成输出像素值的图像处理装置包括比较装置，用于比较输入图像的像素块，这些块相对于被测试的像素位置设置，使得块之间的相关性将指示适用于该像素位置的图像特征方向; 以及验证装置，用于针对由比较装置检测的关于被测像素位置的图像特征方向来检测该图像特征方向是否可以用于内插该像素位置处的输出像素值，验证装置（i）检测所检测到的图像特征方向是否与适用于n个图像区域的图像特征方向相似，其中n> 1，相对于测试中的像素位置设置; 以及（ii）如果检测到的图像特征方向与至少预定数目m的图像特征方向相似，则验证测试中的像素位置的图像特征方向以用于内插该像素位置处的输出像素值，其中m ＆LT; n，图像区域。

2. 发明申请

WO2008059218A2 ALIAS AVOIDANCE IN IMAGE PROCESSING 审中-公开
标题翻译：图像处理中的别名避免
公开(公告)号：WO2008059218A2
公开(公告)日：2008-05-22
申请号：PCT/GB2007/004312
申请日：2007-10-12
申请人： SONY UNITED KINGDOM LIMITED , BURNS, James, Edward , SHARMAN, Karl, James , SAUNDERS, Nicholas, Ian
发明人： BURNS, James, Edward , SHARMAN, Karl, James , SAUNDERS, Nicholas, Ian
IPC分类号： G06T3/40
CPC分类号： G06T3/403
摘要： Image processing apparatus in which output pixel values are generated with respect to pixels of an input image selected in accordance with an image feature direction in the input image comprises comparing means for comparing blocks of pixels of the input image, the blocks being disposed with respect to a pixel position under test so that a correlation between the blocks would indicate an image feature direction applicable to that pixel position; and validating means, for detecting whether an image feature direction may be used to interpolate an output pixel value at the pixel position under test, the validating means being arranged to perform at least: (i) a direction test to detect whether a detected image feature direction for the pixel position under test meets one or more predetermined directional criteria; and (ii) in at least cases where the direction test is failed, a pixel value test to detect whether pixel values in image regions disposed with respect to the pixel position under test in accordance with possible image feature directions meet one or more predetermined pixel value criteria; the arrangement being such that if the direction test is failed, an interpolation direction is selected for the pixel position under test as that image feature direction having the greatest block correlation which passes the pixel value test.
摘要翻译：其中对于根据输入图像中的图像特征方向选择的输入图像的像素生成输出像素值的图像处理装置包括比较装置，用于比较输入图像的像素块，这些块相对于被测试的像素位置设置，使得块之间的相关性将指示适用于该像素位置的图像特征方向; 以及验证装置，用于检测图像特征方向是否可以用于内插在被测试像素位置处的输出像素值，所述验证装置被配置为至少执行：（i）方向测试，用于检测所检测的图像特征测试中的像素位置的方向满足一个或多个预定方向标准; （ii）至少在方向测试失败的情况下，执行像素值测试以检测根据可能的图像特征方向相对于被测试像素位置设置的图像区域中的像素值是否满足一个或多个预定像素值标准; 如果方向测试失败，则对于被测试的像素位置选择内插方向作为经过像素值测试的具有最大块相关性的图像特征方向。

3. 发明申请

WO2007051997A1 SCAN CONVERTION IMAGE FILTERING 审中-公开
标题翻译：扫描转换图像滤波
公开(公告)号：WO2007051997A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004037
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , SHARMAN, Karl, James , BURNS, James, Edward
发明人： SHARMAN, Karl, James , BURNS, James, Edward
IPC分类号： H04N7/01 , H04N5/44
CPC分类号： H04N7/012 , H04N5/142 , H04N5/144 , H04N5/205
摘要： Image processing apparatus in which output pixels of an output image are generated with respect to input pixels of an input image, a first subset of the output pixels being identical to respective input pixels and a second subset of the output pixels being derived from respective groups of one or more input pixels comprises a spatial filter arrangement for filtering the second subset of pixels, the filter not being applied to filter the first subset of output pixels, the filter arrangement having a response such that high spatial frequencies are attenuated in the output image.
摘要翻译：图像处理装置，其中输出图像的输出像素相对于输入图像的输入像素生成，输出像素的第一子集与各个输入像素相同，并且输出像素的第二子集来自相应的组一个或多个输入像素包括用于对第二子像素进行滤波的空间滤波器装置，滤波器不被应用于对输出像素的第一子集进行滤波，滤波器装置具有使输出图像中的高空间频率衰减的响应。

4. 发明申请

WO2007051979A1 VIDEO PROCESSING 审中-公开
标题翻译：视频处理
公开(公告)号：WO2007051979A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004007
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , SHARMAN, Karl, James
发明人： SHARMAN, Karl, James
IPC分类号： H04N7/01 , H04N5/44
CPC分类号： H04N7/012 , H04N5/142 , H04N5/145 , H04N5/205
摘要： Video processing apparatus in which pixels of a progressive scan output image are generated either by a first pixel generation technique involving intra-field interpolation from an input field or by a second pixel generation technique involving selection of a corresponding pixel from an input field of the appropriate field polarity comprises a motion detector for detecting image motion at an output pixel position; a high frequency detector for detecting high vertical frequency components in an image region around the output pixel position; and means for selecting between the first pixel generation technique and the second pixel generation technique in dependence on a comparison of the detected image motion and the detected high vertical frequency components at the output pixel position.
摘要翻译：视频处理装置，其中逐行扫描输出图像的像素是通过涉及从输入场进行场内插值的第一像素产生技术产生的，或者通过第二像素生成技术产生，该技术涉及从适当的输入场中选择相应的像素场极性包括用于检测输出像素位置处的图像运动的运动检测器; 用于检测输出像素位置周围的图像区域中的高垂直频率分量的高频检测器; 以及用于根据检测到的图像运动和检测到的在输出像素位置处的高垂直频率分量的比较，在第一像素生成技术和第二像素生成技术之间进行选择的装置。

5. 发明申请

WO2007051980A2 ALIAS AVOIDANCE IN IMAGE PROCESSING 审中-公开
标题翻译：图像处理中的别名避免
公开(公告)号：WO2007051980A2
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004008
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , SHARMAN, Karl, James
发明人： SHARMAN, Karl, James
IPC分类号： G06T5/00 , H04N5/14 , H04N5/44
CPC分类号： H04N7/012 , G06T5/002 , G06T2200/12 , G06T2207/10016 , G06T2207/20021 , H04N5/145
摘要： Image processing apparatus in which output pixel values are generated with respect to pixels of an input image selected in accordance with an image feature direction in the input image comprises means for comparing blocks of pixels of the input image, the blocks being disposed with respect to a pixel position under test so that a correlation between the blocks would indicate an image feature direction applicable to that pixel position; and means for detecting the image feature direction applicable to the pixel position under test as a direction corresponding to a block comparison for blocks having the highest correlation amongst blocks having block contents meeting one or more predetermined criteria.
摘要翻译：其中相对于根据输入图像中的图像特征方向选择的输入图像的像素生成输出像素值的图像处理装置包括用于比较输入图像的像素块的装置，所述块相对于被测试的像素位置布置，使得块之间的相关性将指示适用于该像素位置的图像特征方向; 以及用于检测可应用于被测试像素位置的图像特征方向的装置，作为与具有满足一个或多个预定标准的块内容的块之间具有最高相关性的块比较相对应的方向。

6. 发明申请

WO2007051977A1 APPARATUS AND METHOD FOR CONVERTING BETWEEN INTERLACED AND PROGRESSIVE SCAN VIDEO 审中-公开
标题翻译：用于在交互式和渐进式扫描视频之间转换的装置和方法
公开(公告)号：WO2007051977A1
公开(公告)日：2007-05-10
申请号：PCT/GB2006/004000
申请日：2006-10-27
申请人： SONY UNITED KINGDOM LIMITED , SHARMAN, Karl, James
发明人： SHARMAN, Karl, James
IPC分类号： H04N7/01 , H04N5/44
CPC分类号： H04N7/012 , G06T3/4007 , H04N5/142 , H04N5/145 , H04N7/0137
摘要： Image processing apparatus in which pixels of an output image are generated from groups of one or more pixels of an input image, the groups being selected in accordance with an image feature direction in the input image comprises an interpolator for interpolating intermediate pixels between pixels of the input image; and a block comparator for detecting correlation between sets of test blocks of pixels in the input image, the sets of test blocks being oriented with respect to a current pixel position so that the orientation of a set having the greatest correlation indicates a probable image feature direction applicable to the current pixel position; in which: for at least some sets of test blocks which have an orientation with respect to the current pixel position within a predetermined range around a vertical orientation, the test blocks include pixels of the input image and intermediate pixels interpolated from pixels of the input image; and for other sets of test blocks, the test blocks include only pixels of the input image.
摘要翻译：图像处理装置，其中输出图像的像素是从输入图像的一个或多个像素的组生成的，根据输入图像中的图像特征方向选择的组包括内插器，用于内插中间像素输入图像; 以及块比较器，用于检测输入图像中的像素的测试块组之间的相关性，所述测试块组相对于当前像素位置定向，使得具有最大相关性的组的取向指示可能的图像特征方向适用于当前像素位置; 其中：对于在围绕垂直方向的预定范围内具有相对于当前像素位置的取向的至少一些测试块集合，测试块包括输入图像的像素和从输入图像的像素插值的中间像素 ; 对于其他测试块集合，测试块仅包括输入图像的像素。

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