会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Motion vector detection device, apparatus for detecting motion vector and motion vector detection method
    • 运动矢量检测装置,检测运动矢量和运动矢量检测方法的装置
    • US08731246B2
    • 2014-05-20
    • US13221938
    • 2011-08-31
    • Takuma YamamotoNao Mishima
    • Takuma YamamotoNao Mishima
    • G06K9/00
    • G06T7/238G06T2207/10016G06T2207/20021
    • A motion vector detection device includes: a matching error calculation part that calculates matching errors between a focus block and each of reference blocks; a least matching error calculation part calculating a least matching error from among the matching errors; a threshold calculation part calculating a threshold value; a correction vector calculation part calculating a correction vector from motion vectors detected in the reference blocks; and a motion vector determination part determining, as a motion vector for the focus block, a relative position vector in a block in which the relative position vector with respect to the focus block is the closest to the correction vector, the block being selected from among the reference blocks in which a difference between the plurality of matching errors and the least matching error is within the threshold value.
    • 运动矢量检测装置包括:匹配误差计算部,其计算聚焦块与各参考块之间的匹配误差; 从所述匹配误差中计算最小匹配误差的最小匹配误差计算部; 计算阈值的阈值计算部; 校正矢量计算部分,从参考块中检测的运动矢量计算校正矢量; 以及运动矢量确定部,其确定作为所述焦点块的运动矢量的相对于所述焦点块的相对位置矢量最接近所述校正向量的块中的相对位置矢量,所述块选自 其中多个匹配误差和最小匹配误差之间的差在阈值内的参考块。
    • 2. 发明申请
    • INTERPOLATION FRAME GENERATING APPARATUS AND METHOD
    • 内插框发生装置和方法
    • US20110211111A1
    • 2011-09-01
    • US12884746
    • 2010-09-17
    • Nao MishimaTakuma Yamamoto
    • Nao MishimaTakuma Yamamoto
    • H04N7/01
    • H04N7/014G06T3/40
    • According to one embodiment, an apparatus includes a motion estimation unit, a generating unit, a detection unit, and a filtering unit. The motion estimation unit is configured to estimate a first motion vector from a first reference frame to a second reference frame. The generating unit is configured to assign a first pixel value and a second motion vector to an interpolation frame. The detection unit is configured to detect an occlusion region in the interpolation frame. The filtering unit is configured to assign the second motion vector to the occlusion region as a third motion vector, calculate degrees of difference between second pixel values derived from the second motion vectors and third pixel values derived from the third motion vectors, and assign a fourth pixel value derived from a fourth motion vector to the occlusion region, wherein the fourth motion vector is calculated based on the degrees of difference.
    • 根据一个实施例,一种装置包括运动估计单元,生成单元,检测单元和滤波单元。 运动估计单元被配置为从第一参考帧估计第一运动矢量到第二参考帧。 生成单元被配置为向内插帧分配第一像素值和第二运动矢量。 检测单元被配置为检测插值帧中的遮挡区域。 滤波单元被配置为将第二运动矢量分配给遮挡区域作为第三运动矢量,计算从第二运动矢量导出的第二像素值与从第三运动矢量导出的第三像素值之间的差异度,并分配第四运动矢量 从第四运动矢量导出到遮挡区域的像素值,其中基于差异度计算第四运动矢量。
    • 4. 发明申请
    • MOTION VECTOR DETECTION DEVICE, APPARATUS FOR DETECTING MOTION VECTOR AND MOTION VECTOR DETECTION METHOD
    • 运动矢量检测装置,检测运动矢量和运动矢量检测方法的装置
    • US20120057760A1
    • 2012-03-08
    • US13221938
    • 2011-08-31
    • Takuma YAMAMOTONao Mishima
    • Takuma YAMAMOTONao Mishima
    • G06K9/00
    • G06T7/238G06T2207/10016G06T2207/20021
    • A motion vector detection device includes: a matching error calculation part that calculates matching errors between a focus block and each of reference blocks; a least matching error calculation part calculating a least matching error from among the matching errors; a threshold calculation part calculating a threshold value; a correction vector calculation part calculating a correction vector from motion vectors detected in the reference blocks; and a motion vector determination part determining, as a motion vector for the focus block, a relative position vector in a block in which the relative position vector with respect to the focus block is the closest to the correction vector, the block being selected from among the reference blocks in which a difference between the plurality of matching errors and the least matching error is within the threshold value.
    • 运动矢量检测装置包括:匹配误差计算部,其计算聚焦块与各参考块之间的匹配误差; 从所述匹配误差中计算最小匹配误差的最小匹配误差计算部; 计算阈值的阈值计算部; 校正矢量计算部分,从参考块中检测的运动矢量计算校正矢量; 以及运动矢量确定部,其确定作为所述焦点块的运动矢量的相对于所述焦点块的相对位置矢量最接近所述校正向量的块中的相对位置矢量,所述块选自 其中多个匹配误差和最小匹配误差之间的差在阈值内的参考块。
    • 5. 发明授权
    • Interpolation frame generating apparatus and method
    • 插值帧生成装置及方法
    • US08433156B2
    • 2013-04-30
    • US12884746
    • 2010-09-17
    • Nao MishimaTakuma Yamamoto
    • Nao MishimaTakuma Yamamoto
    • G06K9/46
    • H04N7/014G06T3/40
    • According to one embodiment, an apparatus includes a motion estimation unit, a generating unit, a detection unit, and a filtering unit. The motion estimation unit is configured to estimate a first motion vector from a first reference frame to a second reference frame. The generating unit is configured to assign a first pixel value and a second motion vector to an interpolation frame. The detection unit is configured to detect an occlusion region in the interpolation frame. The filtering unit is configured to assign the second motion vector to the occlusion region as a third motion vector, calculate degrees of difference between second pixel values derived from the second motion vectors and third pixel values derived from the third motion vectors, and assign a fourth pixel value derived from a fourth motion vector to the occlusion region, wherein the fourth motion vector is calculated based on the degrees of difference.
    • 根据一个实施例,一种装置包括运动估计单元,生成单元,检测单元和滤波单元。 运动估计单元被配置为从第一参考帧估计第一运动矢量到第二参考帧。 生成单元被配置为向内插帧分配第一像素值和第二运动矢量。 检测单元被配置为检测插值帧中的遮挡区域。 滤波单元被配置为将第二运动矢量分配给遮挡区域作为第三运动矢量,计算从第二运动矢量导出的第二像素值与从第三运动矢量导出的第三像素值之间的差异度,并分配第四运动矢量 从第四运动矢量导出到遮挡区域的像素值,其中基于差异度计算第四运动矢量。
    • 7. 发明授权
    • Image processing method, apparatus, and computer program product
    • 图像处理方法,装置和计算机程序产品
    • US08682060B2
    • 2014-03-25
    • US13049620
    • 2011-03-16
    • Nao MishimaTakeshi Mita
    • Nao MishimaTakeshi Mita
    • G06K9/00G06K9/62G01C3/14G02B27/22
    • G06T7/254
    • According to one embodiment, an image processing method includes calculating an activity value for a first block, the activity value indicating a higher degree of activity as pixel values vary in a greater degree in the first block, and calculating a first evaluation value that indicates higher evaluation as a difference between a pixel value of the first block and a pixel value of a second block is smaller. The method further includes calculating a second evaluation value that indicates higher evaluation as correlation between a relative spatial relationship of the pixel value of the first block and that of the pixel value of the second block is higher, and calculating a third evaluation value by weighting the first evaluation value and the second evaluation value to search for the second block that corresponds to the first block, a weight of the first evaluation value is larger as the activity value is larger.
    • 根据一个实施例,一种图像处理方法包括:计算第一块的活动值,所述活动值指示在第一块中像素值在较大程度上变化的较高活动度,并且计算指示较高的第一评估值 作为第一块的像素值和第二块的像素值之间的差的评估较小。 该方法还包括计算表示较高评估的第二评估值,作为第一块的像素值与第二块的像素值的相对空间关系之间的相关性较高,并且通过对第 第一评估值和第二评估值,以搜索对应于第一块的第二块,则第一评估值的权重随着活动值较大而较大。
    • 8. 发明授权
    • Parallax image generating apparatus and method
    • 视差图像生成装置及方法
    • US08665319B2
    • 2014-03-04
    • US12888582
    • 2010-09-23
    • Nao MishimaTakeshi MitaKenichi ShimoyamaRyusuke HiraiMasahiro Baba
    • Nao MishimaTakeshi MitaKenichi ShimoyamaRyusuke HiraiMasahiro Baba
    • H04N13/02
    • G06T5/002G06T2207/10012G06T2207/10028H04N13/128H04N13/275
    • According to one embodiment, a parallax image generating apparatus is for generating, using a first image, a parallax images with a parallax therebetween. The apparatus includes following units. The first estimation unit estimates distribution information items indicating distributions of first depths in the first image by using first methods. The distribution information items falls within a depth range to be reproduced. The first combination unit combines the distribution information items to generate first depth information. The second calculation unit calculates second depth information indicating relative unevenness of an object in the first image. The third combination unit combines the first depth information and the second depth information by using a method different from the first methods, to generate third depth information. The generation unit generates the parallax images based on the third depth information and the first image.
    • 根据一个实施例,视差图像生成装置用于使用第一图像生成其间具有视差的视差图像。 该装置包括以下单元。 第一估计单元通过使用第一方法估计指示第一图像中的第一深度的分布的分布信息项。 分发信息项落在要再现的深度范围内。 第一组合单元组合分配信息项以产生第一深度信息。 第二计算单元计算指示第一图像中的物体的相对不均匀性的第二深度信息。 第三组合单元通过使用与第一方法不同的方法组合第一深度信息和第二深度信息,以产生第三深度信息。 生成单元基于第三深度信息和第一图像生成视差图像。
    • 10. 发明授权
    • Motion vector detection method and apparatus
    • 运动矢量检测方法及装置
    • US08144777B2
    • 2012-03-27
    • US11686457
    • 2007-03-15
    • Goh ItohNao MishimaHaruhiko Okumura
    • Goh ItohNao MishimaHaruhiko Okumura
    • H04N7/12H04N11/02H04N11/04
    • H04N5/145H04N19/51H04N19/521H04N19/533H04N19/573H04N19/577
    • A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture ((m+n)>m-th), detecting first motion vectors between the first and second blocks, extracting a third block located in spatially the same position as that of the first block from a (m+i)-th picture ((m+n)>(m+i)>m-th), computing second motion vectors of (n−1)/n times the first motion vectors, extracting a fourth block corresponding to a movement position of the third block from the (m+n)-th picture according to the second motion vector, and selecting an optimum motion vector maximizing a correlation between the third and fourth blocks from the first motion vectors.
    • 运动矢量检测方法包括从第m图像中提取第一块,从第(m + n)个图像((m + n)> m-th)提取相对于第一块具有较大相关性的第二块 ),检测第一和第二块之间的第一运动矢量,从第(m + i)个图像((m + n)>(m + i)>(m + i))中提取位于空间上与第一块相同位置的第三块 )m),计算第一运动矢量的第(n-1)/ n倍的第二运动矢量,根据第(m + n)个图像提取与第三块的移动位置相对应的第四块 并且从所述第一运动矢量中选择最大化所述第三和第四块之间的相关性的最佳运动矢量。