公开(公告)号：US20090067728A1

公开(公告)日：2009-03-12

申请号：US12222765

申请日：2008-08-15

申请人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

发明人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

IPC分类号： G06K9/64

CPC分类号： G06K9/6206 ,  G06T3/0093 ,  G06T7/32

摘要： An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair.

摘要翻译： 图像匹配方法包括：将第一和第二格点分别设置到第一和第二图像，基于每个第一格点及其像素的位置，通过图像相关势能的梯度计算第二格子的每个第二格点的势力 和第二格子点及其像素的位置，从第二和相邻网格点之间的弹性能量计算第二格子点的弹性力，计算出现在第二格子点处的摩擦力，执行运动方程式的数值分析 关于第二格子点，并且基于潜在力，弹性力和摩擦力来获得第二格子点的会聚状态，并且根据第二格点的相邻格点之间的距离在第二格点之间添加新的格点 相邻晶格点对。

公开(公告)号：US20080069478A1

公开(公告)日：2008-03-20

申请号：US11853079

申请日：2007-09-11

申请人： Kazuyasu Ohwaki ,  Masahiro Baba ,  Goh Itoh

发明人： Kazuyasu Ohwaki ,  Masahiro Baba ,  Goh Itoh

IPC分类号： G06K9/32

CPC分类号： G06T3/4007 ,  G09G3/3406 ,  G09G3/3611 ,  G09G2320/0261 ,  G09G2320/10 ,  G09G2340/0435 ,  G09G2340/16 ,  H04N7/0127 ,  H04N7/014

摘要： An apparatus includes an interpolation image generating unit that generates an interpolation image between frames of an input image, from the input image, an evaluating unit that evaluates image accuracy of the interpolation image, a luminance ratio setting unit that sets luminance ratios of the input image and the interpolation image in such a manner that luminance of the interpolation image decreases as the image accuracy decreases, a luminance converting unit that generates a converted input image and a converted interpolation image by converting luminance of the input image and the luminance of the interpolation image respectively in accordance with the luminance ratio, and a display unit that displays one of the converted input image and the converted interpolation image in a first half of one frame period of the input image, and displaying other image thereof in a second half.

摘要翻译： 一种装置，包括内插图像生成单元，从输入图像生成输入图像的帧之间的内插图像，评价内容图像的图像精度的评价单元，设定输入图像的亮度比的亮度比设定单元 以及插值图像，使得插值图像的亮度随着图像精度的降低而减小，亮度转换单元，其通过转换输入图像的亮度和插值图像的亮度来生成转换的输入图像和转换的插值图像 以及显示单元，其在输入图像的一个帧周期的前半部分中显示经转换的输入图像和转换的插值图像中的一个，并且在后半部分中显示其他图像。

公开(公告)号：US08134532B2

公开(公告)日：2012-03-13

申请号：US12261945

申请日：2008-10-30

申请人： Masahiro Baba ,  Goh Itoh

发明人： Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G3/3406 ,  G09G2320/0285 ,  G09G2320/0646 ,  G09G2360/16

摘要： An image display apparatus includes an image displaying unit that includes a light source unit and a light modulation device, a histogram generating unit, a light source luminance calculator, a function storing unit, a first evaluation value calculator, a second evaluation value calculator, a third evaluation value calculator, a function acquiring unit and a control unit. The function acquiring unit acquires a plurality of the third evaluation values by repeating processing by the first to third evaluation value calculators with modification to a level conversion function and acquires a level conversion function that has a smallest third evaluation. The control unit supplies a signal of a converted video resulting from conversion of the image with the acquired level conversion function to the light modulation device.

摘要翻译： 图像显示装置包括：图像显示单元，包括光源单元和光调制装置，直方图生成单元，光源亮度计算器，功能存储单元，第一评估值计算器，第二评估值计算器， 第三评估值计算器，功能获取单元和控制单元。 功能获取单元通过利用第一至第三评估值计算器对电平转换函数进行重复处理来获取多个第三评估值，并获取具有最小的第三评估的电平转换函数。 控制单元将获得的电平转换功能的图像转换所产生的经转换的视频的信号提供给光调制装置。

公开(公告)号：US07893917B2

公开(公告)日：2011-02-22

申请号：US11856253

申请日：2007-09-17

申请人： Masahiro Baba ,  Goh Itoh

发明人： Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G3/3406 ,  G09G2320/0238 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0653 ,  G09G2320/066 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2360/16

摘要： There is provided with an image display method including: creating a histogram indicating frequencies of pixels included in level-ranges associated with representative gray-scale levels; calculating differences between first brightnesses each predetermined for the each representative gray-scale level and second brightnesses each preliminarily obtained for the each representative gray-scale level displayed on an image display with each of a plurality of light-source levels of light-source luminance, accumulating, for each of the representative gray-scale levels, products of the differences by the frequency, selecting a selected light-source level having the smallest accumulated sum or the smaller accumulated sum than a threshold value; providing signals of one frame of an input video image to a light modulation device that displays an image by modulating a transmittance or a reflectance of light from a light source, and controlling so that the light source emits light in luminance corresponding to the selected light-source level.

摘要翻译： 提供了一种图像显示方法，包括：创建指示与代表性灰度级相关联的电平范围中包括的像素的频率的直方图; 计算每个代表性灰度级各自预定的第一亮度与在图像显示器上显示的每个代表灰度级别预先获得的第二亮度之间的差异，其中多个光源水平的光源亮度， 针对每个代表性的灰度级别累积差异乘积的乘积，选择具有最小累积和或者比阈值小的累积和的选定光源电平; 将一帧输入视频图像的信号提供给通过调制来自光源的光的透射率或反射率来显示图像的光调制装置，并且控制使得光源发射对应于所选择的发光二极管的亮度， 源级别。

公开(公告)号：US20090201245A1

公开(公告)日：2009-08-13

申请号：US12332097

申请日：2008-12-10

申请人： Ryosuke NONAKA ,  Masahiro Baba ,  Goh Itoh

发明人： Ryosuke NONAKA ,  Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G3/3426 ,  G02F1/133621 ,  G02F2001/133601 ,  G09G2320/0233 ,  G09G2320/0238 ,  G09G2320/0646 ,  G09G2330/021 ,  G09G2360/16

摘要： A liquid crystal display apparatus includes: a liquid crystal panel having a plurality of pixels arranged in a matrix form; a back light having a plurality of light sources controlled individually in light emission luminance to supply light to the liquid crystal panel; an image processing unit configured to calculate luminance setting values respectively of the light sources of the back light and correct the video signal; a back light control unit configured to control the back light on the basis of luminance setting values; and a liquid crystal drive unit configured to drive the liquid crystal panel on the basis of the corrected video signal. In strength distribution of light incident, a relative strength compared with a direct component in spatial frequency domain is equal to or less than a first threshold in a spatial frequency region having a value of at least 1.

摘要翻译： 液晶显示装置包括：具有以矩阵形式布置的多个像素的液晶面板; 背光，具有以发光亮度单独控制的多个光源，以向所述液晶面板供给光; 图像处理单元，被配置为分别计算背光的光源的亮度设定值并校正视频信号; 背光控制单元，被配置为基于亮度设定值来控制背光; 以及液晶驱动单元，被配置为基于校正的视频信号来驱动液晶面板。 在光入射的强度分布中，与空间频域中的直接分量相比的相对强度在具有至少1的值的空间频率区域中等于或小于第一阈值。

公开(公告)号：US07440619B2

公开(公告)日：2008-10-21

申请号：US11355144

申请日：2006-02-16

申请人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

发明人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

IPC分类号： G06K9/68

CPC分类号： G06K9/6206 ,  G06T3/0093 ,  G06T7/32

摘要： An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair.

摘要翻译： 图像匹配方法包括：将第一和第二格点分别设置到第一和第二图像，基于每个第一格点及其像素的位置，通过图像相关势能的梯度计算第二格子的每个第二格点的势力 和第二格子点及其像素的位置，从第二和相邻网格点之间的弹性能量计算第二格子点的弹性力，计算出现在第二格子点处的摩擦力，执行运动方程式的数值分析 关于第二格子点，并且基于潜在力，弹性力和摩擦力来获得第二格子点的会聚状态，并且根据第二格点的相邻格点之间的距离在第二格点之间添加新的格点 相邻晶格点对。

公开(公告)号：US20080001881A1

公开(公告)日：2008-01-03

申请号：US11767618

申请日：2007-06-25

申请人： Masahiro Baba ,  Goh Itoh

发明人： Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G5/06 ,  G09G3/3406 ,  G09G3/3611 ,  G09G2320/0238 ,  G09G2320/0271

摘要： There is provided with an image display method including: calculating black information indicating a length of a period in which a black image should be displayed in one frame period of an input image or a ratio of a period in which the black image should be displayed in the one frame period of the input image; controlling a light source luminance of the light source according to the information to suppress fluctuation of a display luminance at a maximum gray-scale level displayable by a liquid crystal panel due to variation of a length of a black display period depending on the information; correcting a gray-scale level of each pixel of the input image to obtain corrected gray-scale levels for suppressing fluctuation of a display luminance at gray-scale levels other than the maximum gray-scale level due to the control of the light source luminance of the light source.

摘要翻译： 提供了一种图像显示方法，包括：计算指示在输入图像的一个帧周期中应显示黑色图像的周期的长度的黑色信息，或者应当显示黑色图像的周期的比率 输入图像的一帧周期; 根据该信息控制光源的光源亮度，以根据信息来抑制由黑色显示周期的长度的变化而由液晶面板显示的最大灰度级的显示亮度的波动; 校正输入图像的每个像素的灰度级，以获得校正的灰度级，用于抑制除了最大灰度级以外的灰度级的显示亮度的波动，这是由于光源亮度的控制 光源。

公开(公告)号：US20060193535A1

公开(公告)日：2006-08-31

申请号：US11355144

申请日：2006-02-16

申请人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

发明人： Nao Mishima ,  Goh Itoh ,  Masahiro Baba

IPC分类号： G06K9/32 ,  G06K9/36

CPC分类号： G06K9/6206 ,  G06T3/0093 ,  G06T7/32

摘要： An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a gradient of an image correlation potential energy based on a position of each first lattice point and pixel thereof and a position of the second lattice point and pixel thereof, computing elasticity force to the second lattice point from elasticity energy between the second and adjacent lattice points, computing frictional force occurring at the second lattice point, performing a numerical analysis of an equation of motion regarding the second lattice point and based on the potential force, elasticity force and frictional force to obtain a convergence state of the second lattice points, and adding a new lattice point between an adjacent lattice point pair of second lattice points according to a distance between the adjacent lattice point pair.

公开(公告)号：US08184088B2

公开(公告)日：2012-05-22

申请号：US12326338

申请日：2008-12-02

申请人： Ryosuke Nonaka ,  Masahiro Baba ,  Goh Itoh

发明人： Ryosuke Nonaka ,  Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G3/3426 ,  G09G2320/0233 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2330/021 ,  G09G2360/16

摘要： An image display apparatus includes: a luminance modification unit configured to modify the luminance setting value so as to make a luminance difference between adjacent partial regions of a back light smaller; a luminance distribution calculation unit configured to calculate a predicted value of luminance distribution of light incident on a liquid crystal panel from the back light on the basis of the modified luminance setting value; a liquid crystal transmittance correction unit configured to correct an optical transmittance of the image signal at each pixel of the liquid crystal panel on the basis of the image signal and the luminance distribution; a back light control unit configured to control the back light on the basis of the modified luminance setting value; and a liquid crystal control unit configured to control the liquid crystal panel so that the transmittance of the image signal becomes the corrected optical transmittance.

摘要翻译： 一种图像显示装置，包括：亮度修正单元，被配置为修改所述亮度设定值，以使背景光的相邻部分区域之间的亮度差较小; 亮度分布计算单元，被配置为基于所述修改的亮度设置值从背光计算入射在液晶面板上的光的亮度分布的预测值; 液晶透射率校正单元，被配置为基于图像信号和亮度分布校正液晶面板的每个像素处的图像信号的光透射率; 背光控制单元，被配置为基于修改的亮度设置值来控制背光; 以及液晶控制单元，被配置为控制液晶面板，使得图像信号的透射率变为校正的光透射率。

公开(公告)号：US08094119B2

公开(公告)日：2012-01-10

申请号：US12549145

申请日：2009-08-27

申请人： Ryosuke Nonaka ,  Masahiro Baba ,  Goh Itoh

发明人： Ryosuke Nonaka ,  Masahiro Baba ,  Goh Itoh

IPC分类号： G09G3/36

CPC分类号： G09G3/3426 ,  G09G3/2003 ,  G09G3/3648 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0276 ,  G09G2320/062 ,  G09G2320/0666

摘要： An apparatus includes a unit computing, at each of positions on a target, first products of first reference values for light sources and factors for light sources, and a first sum of the first products corresponding to the light sources, and estimating, at each of the positions, the first sum as a first component at each of the positions, each of the first reference values being obtained referring to a first distribution, a unit computing a second sum of the factors for all of the light sources, and a second product of the second sum and second reference value, and estimating, at each of the positions, the second products as a second component at each of the positions, the second reference value being obtained referring to a second distribution that has a spatially constant value, and a unit computing a third sum of the first component and the second component.

摘要翻译： 一种装置包括在目标的每个位置处的单元计算，用于光源的第一参考值和光源的第一乘积以及对应于光源的第一乘积的第一和，并且在每个 位置，第一和作为每个位置处的第一分量，参考第一分布获得每个第一参考值，单位计算所有光源的因子的第二和，以及第二乘积 并且在每个位置处估计作为每个位置处的第二分量的第二乘积，参考具有空间常数值的第二分布获得第二参考值，以及 单元计算第一分量和第二分量的第三和。