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    • 3. 发明申请
    • MULTI-PRIMARY CONVERSION
    • 多主转换
    • WO2008047313A3
    • 2009-05-14
    • PCT/IB2007054224
    • 2007-10-17
    • KONINKL PHILIPS ELECTRONICS NVHEKSTRA GERBEN JKLOMPENHOUWER MICHIEL A
    • HEKSTRA GERBEN JKLOMPENHOUWER MICHIEL A
    • G09G3/36
    • G09G3/20G09G3/3607G09G2340/0457G09G2340/06
    • A method converts an input image signal (IS) into a drive signal (DS) for driving sub-pixels (SP) of a display device (DD) comprising display pixels (DPI) having at least two sub-pixel groups (SGl, SG2) being able to contribute to luminance information displayed. The conversion comprises a multi-primary conversion (MPC) which receives the input image signal (IS) and which is performed under a constraint (CO). The constraint (CO) is determined (CD) by substantially matching local display luminances (DLl, DL2; DLD) associated with the at least two sub-pixel groups (SGl, SG2) with corresponding local input luminances (Ll, L2; LD) of input pixels (IP) of the input image signal (IS), thereby obtaining a display luminance pattern defined by the display pixels (DPI) corresponding to an input luminance pattern defined by the input pixels (IP) associated with the display pixels (DPI).
    • 一种方法将输入图像信号(IS)转换为用于驱动显示装置(DD)的子像素(SP)的驱动信号(DS),显示装置(DD)包括具有至少两个子像素组(SG1,SG2 )能够贡献显示的亮度信息。 该转换包括接收输入图像信号(IS)并且在约束(CO)下执行的多原点转换(MPC)。 通过将与至少两个子像素组(SG1,SG2)相关联的局部显示亮度(DL1,DL2; DLD)与对应的本地输入亮度(L1,L2; LD)进行基本匹配来确定约束(CO) 输入图像信号(IS)的输入像素(IP),从而获得与由与显示像素(DPI)相关联的输入像素(IP)定义的输入亮度图案对应的显示像素(DPI)定义的显示亮度图案 )。
    • 8. 发明申请
    • COLOR SATURATION ENHANCEMENT
    • 颜色饱和度增强
    • WO2008053408A3
    • 2009-02-05
    • PCT/IB2007054341
    • 2007-10-25
    • KONINKL PHILIPS ELECTRONICS NVVAN DER HEIJDEN HENRICUS W PKLOMPENHOUWER MICHIEL A
    • VAN DER HEIJDEN HENRICUS W PKLOMPENHOUWER MICHIEL A
    • G06T5/00
    • H04N1/6005H04N1/6027H04N9/68
    • A method of color saturation enhancement comprises receiving (1) an input image (II) composed of pixels. At least three scales (SC0, SC1, SC2) are generated (2), the lowest ranked scale (SC0) being the input image (II), the lowest but one ranked scale (SC1) being a low-pass filtered version of the input image (II), the lowest but two ranked scale (SC2) being a low-pass filtered version of the lowest but one scale (SC1) or a low passed version of the input image (II) being stronger low-pass filtered than the input image (II) for the lowest but one scale (SC1). The color pixel values (Pxy(0), Pxy(1), Pxy(2)) of a particular pixel (Pxy) of the input image (II) in different scales (SC0, SC1, SC2) are compared (3) to obtain comparison values (CVi). Weights (w0, w1, w2) are allocated (4) to the scales (SC0, SC1, SC2) for favoring a first color pixel value (Pxy(l)) of the particular pixel (Pxy) in one of the scales (SC1) over a second color pixel value (Pxy(2)) of the particular pixel (Pxy) in another one of the scales (SC2) having a higher rank if the first color pixel value (Pxy(l)) and the second color pixel value (Pxy(2)) differ more than a predetermined amount, and for favoring the second color pixel value (Pxy(2)) over the first color pixel value (Pxy(1)) if the first pixel color value (Pxy(l)) and the second pixel color value (Pxy(2)) differ less than the predetermined amount. The color pixel values (Pxy(0), Pxy(1), Pxy(2)) of the particular pixel (Pxy) of the different scales (SC0, SC1, SC2) are combined (5) weighted in accordance with the allocated weights (w0, w1, w2).
    • 一种颜色饱和度增强的方法包括接收(1)由像素组成的输入图像(II)。 产生至少三个量表(SC0,SC1,SC2)(2),最低排名量表(SC0)是输入图像(II),最低但一个排名的量表(SC1)是低通滤波版本 输入图像(II),最低但两个排列的比例(SC2)是最低但一个比例(SC1)的低通滤波版本或输入图像(II)的低通滤波版本比低通滤波版本低 用于最低但一个刻度(SC1)的输入图像(II)。 将不同尺度(SC0,SC1,SC2)中的输入图像(II)的特定像素(Pxy)的颜色像素值(Pxy(0),Pxy(1),Pxy(2))进行比较(3) 获得比较值(CVi)。 将权重(w0,w1,w2)分配(4)到缩放(SC0,SC1,SC2)以有利于一个比例尺(SC1)中的特定像素(Pxy)的第一颜色像素值(Pxy(1)) ),如果第一颜色像素值(Pxy(1))和第二颜色像素(Pxy(1))具有较高等级的另一个尺度(SC2)中的特定像素(Pxy)的第二颜色像素值(Pxy(2) 如果第一像素颜色值(Pxy(1))(Pxy(1))的值(Pxy(2))不同于预定量,并且为了有利于第二颜色像素值 ))和第二像素颜色值(Pxy(2))不同于预定量。 根据分配的权重将不同尺度(SC0,SC1,SC2)的特定像素(Pxy)的颜色像素值(Pxy(0),Pxy(1),Pxy(2))组合(5) (w0,w1,w2)。