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    • 1. 发明申请
    • MOTION ESTIMATION AT IMAGE BORDERS
    • 图像边界的运动估计
    • WO2007119198A1
    • 2007-10-25
    • PCT/IB2007/051264
    • 2007-04-10
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BOSMA, Marco, K.
    • BOSMA, Marco, K.
    • H04N7/26H04N7/01
    • H04N19/55H04N19/176H04N19/56
    • An estimated motion vector within image signals to obtain robust motion vectors is provided by creating at least one candidate motion vector for at least one current block within an image of the signal, determining for each of said candidate motion vectors at least one match block within at least one image which is temporally neighboring the image of the current block, detecting if the at least one match block lies at least partially outside the active area of the image, then candidate motion vector is calculated based on at least the shifted current block and the shifted match block and shifting at least the current block and the match block such that the match block lies within the active area of the image.
    • 通过为信号的图像内的至少一个当前块创建至少一个候选运动矢量来提供用于获得鲁棒运动矢量的图像信号内的估计运动矢量,为每个所述候选运动矢量确定每个所述候选运动矢量, 至少一个在时间上与当前块的图像相邻的图像,检测至少一个匹配块是否至少部分位于图像的有效区域之外,然后基于至少移动的当前块和 移位匹配块,并至少移动当前块和匹配块,使得匹配块位于图像的有效区域内。
    • 4. 发明申请
    • ELECTRONIC DEVICE AND METHOD FOR BLOCK-BASED IMAGE PROCESSING
    • 用于基于块的图像处理的电子设备和方法
    • WO2006000983A1
    • 2006-01-05
    • PCT/IB2005/052020
    • 2005-06-20
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.GELDERBLOM, Robert, H.VAN EGGELEN, Lambertus, A.BOSMA, Marco, K.
    • GELDERBLOM, Robert, H.VAN EGGELEN, Lambertus, A.BOSMA, Marco, K.
    • H04N7/00
    • H04N19/139H04N5/142H04N19/14H04N19/17H04N19/85H04N21/4884
    • The electronic device comprises electronic circuitry which functionally comprises a boundary detector, an analyzer and an includer. The boundary detector is operative to determine a boundary (47) between a relevant area (45) and an irrelevant area (43) of an image (41). The analyzer is operative to analyze blocks (55) of pixels intersected by the boundary (47). The includer is operative to include blocks (55) of pixels intersected by the boundary (47) in the relevant area (45) in dependence upon the analysis. The invention further relates to a method of determining a relevant area of an image for block-based image processing. The method comprises the steps of determining a boundary between a relevant and an irrelevant area of an image, analyzing blocks of pixels intersected by the boundary and including blocks of pixels intersected by the boundary in the relevant area in dependence upon the analysis. The invention also relates to control software for making a programmable device operative to perform the method of the invention and to electronic circuitry for use in the device of the invention.
    • 电子设备包括功能上包括边界检测器,分析器和包装器的电子电路。 边界检测器用于确定图像(41)的相关区域(45)和不相关区域(43)之间的边界(47)。 分析器用于分析由边界(47)相交的像素的块(55)。 根据分析,包含器可操作地包括在相关区域(45)中与边界(47)相交的像素的块(55)。 本发明还涉及一种确定用于基于块的图像处理的图像的相关区域的方法。 该方法包括以下步骤:确定图像的相关区域和不相关区域之间的边界,分析由边界相交的像素块,并且包括根据分析在相关区域中与边界相交的像素块。 本发明还涉及用于使可编程设备用于执行本发明的方法和用于本发明的设备中的电子电路的控制软件。
    • 5. 发明申请
    • DE-INTERLACING
    • 去隔行
    • WO2005091625A1
    • 2005-09-29
    • PCT/IB2005/050868
    • 2005-03-10
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN EGGELEN, Lambertus, A.BOSMA, Marco, K.GELDERBLOM, Robert, H.
    • VAN EGGELEN, Lambertus, A.BOSMA, Marco, K.GELDERBLOM, Robert, H.
    • H04N5/44
    • H04N7/012
    • A motion adaptive de-interlacing unit (200) is disclosed. The de-interlacing unit (200) comprises: match error computing means (202) for computing a match error on basis of comparing a first group of pixels (114) of a first video field (100) with a second group of pixels (112) of a second video field (106); motion threshold computing means (204) for computing a motion threshold; motion decision means (206) for computing a motion indicator which represents whether there is motion for a third group of pixels (108) by means of comparing the match error with the motion threshold; and interpolation means (208) for computing values of the third group of pixels (108), the interpolation means (208) being controlled. on basis of the motion detection means (206). The motion threshold computing means (204) is arranged to compute the motion threshold on basis of a further motion indicator which represents whether there is motion for a fourth group of pixels. (110) being located in a neighborhood of the third group of pixels (108).
    • 公开了一种运动自适应去隔行单元(200)。 去隔行单元(200)包括:匹配误差计算装置(202),用于基于将第一视频场(100)的第一组像素(114)与第二像素组(112)进行比较来计算匹配误差 )第二视频场(106); 运动阈值计算装置(204),用于计算运动阈值; 运动判定装置(206),用于通过将匹配误差与运动阈值进行比较来计算代表第三组像素(108)是否存在运动的运动指示器; 以及用于计算第三组像素(108)的值的插值装置(208),所述插值装置(208)被控制。 基于运动检测装置(206)。 运动阈值计算装置(204)被布置为基于代表对于第四组像素是否存在运动的另外的运动指示器来计算运动阈值。 (110)位于第三组像素(108)的附近。
    • 7. 发明申请
    • SPATIO-TEMPORAL UP-CONVERSION
    • WO2004073313A1
    • 2004-08-26
    • PCT/IB2004/050062
    • 2004-01-29
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BOSMA, Marco, K.
    • BOSMA, Marco, K.
    • H04N7/46
    • H04N7/014H04N19/51H04N19/587H04N19/59
    • A video conversion unit (300,400) for converting a sequence of input images (100-102), having a first frequency and comprising a first (100) and second (102) input image with a first resolution into a sequence of output images (104-110), having a second frequency being different from the first frequency and comprising an output image (106) with a second resolution being higher than the first resolution, comprises a temporal interpolation unit (202) which is arranged to compute the output image on basis of a first group (116) of pixels and a second group (118) of pixels, the first group (116) of pixels being computed by a spatial interpolation unit (204) on basis of a third group (112) of pixels of the first input image and the second group (118) of pixels being computed by the spatial interpolation unit (204) on basis of a fourth group (114) of pixels of the second input image.
    • 一种用于将具有第一频率并包括具有第一分辨率的第一(100)和第二(102)输入图像的输入图像序列(100-102)转换为输出图像序列(104,400)的视频转换单元(300,400) -110),具有与所述第一频率不同的第二频率并且包括具有高于所述第一分辨率的第二分辨率的输出图像(106),包括时间插值单元(202),其被布置为计算所述输出图像 第一组(116)的像素和第二组(118)的像素的基础,第一组像素(116)由空间内插单元(204)基于第三组像素(112)被计算, 所述第一输入图像和所述第二组(118)由所述空间内插单元(204)基于所述第二输入图像的第四组像素(114)计算。