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    • 1. 发明申请
    • Image Display Apparatus and Method
    • 图像显示装置及方法
    • US20090128707A1
    • 2009-05-21
    • US12255792
    • 2008-10-22
    • Hideharu HATTORIKoichi HamadaNobuhiro FukudaYutaka ChiakiYoshiaki Takada
    • Hideharu HATTORIKoichi HamadaNobuhiro FukudaYutaka ChiakiYoshiaki Takada
    • H04N5/14
    • G09G3/2022G09G2320/0261G09G2320/0266G09G2320/106G09G2360/16
    • It is possible to better correct dynamic false contours in gradation display made by dividing each field into plural subfields. A motion vector detection section detects a motion vector extending between pixels mutually corresponding between two mutually neighboring fields. A pixel position changing section calculates a pixel position vector indicating from where to acquire data for use in rearranging emission data by multiplying a motion vector ending at a pixel to be rearranged by a predetermined function. Furthermore, when a brightness difference between the pixel from which data is to be acquired and the pixel to be rearranged is larger than a threshold value, the pixel position changing section corrects the calculated pixel position vector to change the pixel indicated thereby to one closer to the pixel to be rearranged until the brightness difference is equal to or smaller than the threshold value.
    • 通过将每个场划分成多个子场,可以更好地校正灰度显示中的动态假轮廓。 运动矢量检测部检测在两个相邻的场之间相互对应的像素之间延伸的运动矢量。 像素位置改变部分计算像素位置矢量,该像素位置矢量指示从何处获取用于重新排列发射数据的数据,该数据通过将要重新排列的像素结束的运动矢量乘以预定函数。 此外,当要获取数据的像素与要重新排列的像素之间的亮度差大于阈值时,像素位置改变部分校正所计算的像素位置矢量,将由此指示的像素更改为更靠近 要重新排列的像素,直到亮度差等于或小于阈值。
    • 2. 发明申请
    • Image converting apparatus
    • 图像转换装置
    • US20080317130A1
    • 2008-12-25
    • US12151678
    • 2008-05-07
    • Yasuhiro AkiyamaHideharu HattoriKoichi Hamada
    • Yasuhiro AkiyamaHideharu HattoriKoichi Hamada
    • H04N7/26
    • H04N7/014H04N7/0127H04N19/132H04N19/513H04N19/587
    • In an image converting apparatus, when a count value of a time period counter is equal to “1”, a motion vector rate converting unit reads out a first coefficient “KAn” from a motion vector conversion table. While the read first coefficient “KAn” is employed, the motion vector rate converting unit performs a calculating process operation (MVx=MVn×KAn) for converting rates with respect to a motion vector “MVn” of 50 Hz detected by a motion vector detecting unit in a previous step so as to acquire a motion vector “MVx” of 60 Hz. When the motion vector “MVx” is outputted from the motion vector rate converting unit, an image correcting unit performs an image correcting process operation in accordance with a predetermined algorithm by employing the motion vector “MVx” with respect to a picture signal of 60 Hz outputted from an image rate converting unit.
    • 在图像转换装置中,当时间段计数器的计数值等于“1”时,运动矢量转换单元从运动矢量转换表读出第一系数“KAn”。 当采用读取的第一系数“KAn”时,运动矢量转换单元执行用于将运动矢量检测单元检测到的运动矢量“MVn”为50Hz的运动矢量转换速率的运算处理运算(MVx = MVn×CAn) 之前的步骤,以获得60Hz的运动矢量“MVx”。 当从运动矢量转换单元输出运动矢量“MVx”时,图像校正单元通过对60Hz的图像信号采用运动矢量“MVx”,根据预定算法执行图像校正处理操作 从图像速率转换单元输出。
    • 3. 发明授权
    • Video displaying apparatus and video displaying method
    • 视频显示装置和视频显示方法
    • US08170106B2
    • 2012-05-01
    • US12021423
    • 2008-01-29
    • Hideharu HattoriKoichi HamadaYasuhiro AkiyamaMasanori Takeuchi
    • Hideharu HattoriKoichi HamadaYasuhiro AkiyamaMasanori Takeuchi
    • H04N7/12
    • H04N5/144H04N7/012
    • Apparatus including: a unit detecting a motion vector, among plural number of fields included in motion pictures, or fields, produced from the plural number of fields; a unit for converting the motion pictures into light-emission data for sub-fields; a unit for reconstructing the light-emission data for sub-fields, via calculating using the motion vector; and a unit for displaying the picture using the light-emission data outputted from the sub-field reconstruction unit, wherein the sub-field reconstruction unit selects the motion vector ending at a reconstruction target pixel of other one (1) field, among the motion vectors detected by the motion vector detection unit, and calculates a position vector, by multiplying a predetermined function onto this, and thereby reconstructing light-emission data for one (1) sub-field of the reconstruction target pixel, using the light-emission data for sub-fields corresponding to the one (1) sub-fields within the pixel, which is indicated by the position vector.
    • 一种装置,包括:从多个场产生的检测运动矢量的运动矢量,包括在运动图像中的多个场或场; 用于将运动图像转换为子场的发光数据的单元; 用于通过使用运动矢量的计算来重构用于子场的发光数据的单元; 以及用于使用从子场重构单元输出的发光数据显示图像的单元,其中,所述子场重构单元选择在所述运动中的另一(1)场的重建目标像素处结束的运动矢量 通过运动矢量检测单元检测到的矢量,并且通过将预定的功能乘以该距离来计算位置矢量,从而使用发光数据重构重构目标像素的一(1)个子场的发光数据 对应于由位置矢量表示的像素内的一(1)个子场的子场。
    • 5. 发明申请
    • VIDEO DISPLAYING APPARATUS AND VIDEO DISPLAYING METHOD
    • 视频显示设备和视频显示方法
    • US20080204603A1
    • 2008-08-28
    • US12021423
    • 2008-01-29
    • Hideharu HattoriKoichi HamadaYasuhiro AkiyamaMasanori Takeuchi
    • Hideharu HattoriKoichi HamadaYasuhiro AkiyamaMasanori Takeuchi
    • H04N5/14
    • H04N5/144H04N7/012
    • A video displaying apparatus, for suppressing a blur of moving picture, or dynamic false contour, from generation thereof, comprises: an input unit for inputting a motion picture; a motion vector detection unit for detecting a motion vector starting from a pixel of one (1) field and ending at a pixel of other one (1) field, among a plural number of fields included in the motion pictures, which are inputted into said input unit, or fields, which are produced from said plural number of fields; a sub-field conversion unit for converting the motion pictures, which are inputted to said input unit, into light-emission data for sub-fields; a sub-field reconstruction unit for reconstructing the light-emission data for sub-fields, which is outputted from said sub-field conversion unit, through a calculating process with using the motion vector, which is detected by said motion vector detection unit; and a display unit for displaying the picture with using the light-emission data, which is outputted from said sub-field reconstruction unit, wherein the sub-field reconstruction unit selects the motion vector ending at a reconstruction target pixel of said other one (1) field, among the motion vectors detected by the motion vector detection unit, and calculates a position vector, by multiplying a predetermined function onto this, and thereby reconstructing the light-emission data for one (1) sub-field of the reconstruction target pixel, with using the light-emission data for sub-fields corresponding to the one (1) sub-fields within the pixel, which is indicated by the position vector.
    • 一种用于抑制运动图像模糊或动态假轮廓的视频显示装置,包括:用于输入运动图像的输入单元; 运动矢量检测单元,用于从输入到所述运动矢量的运动矢量检测单元中检测运动矢量,所述运动矢量从包括在运动图像中的多个场中的一(1)场的像素开始并在另一个(1)场的像素处结束) 输入单元或场,其从所述多个场产生; 子场转换单元,用于将输入到所述输入单元的运动图像转换成用于子场的发光数据; 子场重建单元,用于通过使用由所述运动矢量检测单元检测的运动矢量的计算处理,重建从所述子场转换单元输出的用于子场的发光数据; 以及显示单元,用于使用从所述子场重构单元输出的发光数据来显示图像,其中所述子场重建单元选择在所述另一个重建目标像素(1)的结束的运动矢量 )场中,由运动矢量检测单元检测出的运动矢量中,通过将预定的功能与其相乘来计算位置矢量,从而重构重建对象像素的一(1)个子场的发光数据 使用与由位置矢量表示的像素内的一(1)个子场对应的子场的发光数据。
    • 9. 发明申请
    • VIDEO SIGNAL PROCESSING METHOD, VIDEO SIGNAL PROCESSING APPARATUS, DISPLAY APPARATUS
    • 视频信号处理方法,视频信号处理装置,显示装置
    • US20080170159A1
    • 2008-07-17
    • US11874951
    • 2007-10-19
    • Yasuhiro AkiyamaKoichi HamadaHideharu HattoriMasahiro Kageyama
    • Yasuhiro AkiyamaKoichi HamadaHideharu HattoriMasahiro Kageyama
    • H04N5/00H04N5/66
    • G09G3/2022G09G2320/0261G09G2320/0266H04N5/144H04N5/66H04N7/0122H04N7/0132
    • For achieving a video display of high picture quality, a video signal processing method comprises the following steps of: a step for produce a sub-field light-ON pattern signal for controlling light-ON or -OFF at a pixel, during said plural number of sub-field periods, depending a pixel value of the pixel in the input video; and a signal correcting step for correcting said sub-field light-ON pattern signal, with using a motion vector obtained through a motion vector search, which is conducted on a first frame in said input video and a second frame, time-sequentially prior to said first frame, wherein said sub-field light-ON pattern signal has light-ON pattern signal for each pixel during each of the sub-field periods between said second frame and said first frame, and said signal correcting step determines the light-ON pattern information of one pixel during one sub-field period, with using a motion vector passing said one pixel within said sub-field among said motion vectors, while determining light-ON pattern information during said one sub-field of said one pixel when there is no motion vector passing through said one pixel, whereby producing a new sub-field light-ON pattern signal having the light-ON pattern information newly determined.
    • 为了实现高图像质量的视频显示,视频信号处理方法包括以下步骤:在所述多个数目期间产生用于控制像素处的亮起或-OFF的子场点亮模式信号的步骤 取决于输入视频中的像素的像素值; 以及信号校正步骤,用于通过使用通过运动矢量搜索获得的运动矢量来校正所述子场点亮模式信号,所述运动矢量是在所述输入视频中的第一帧和第二帧上进行的, 所述第一帧,其中所述子场光ON模式信号在所述第二帧和所述第一帧之间的每个子场周期期间具有针对每个像素的点亮模式信号,并且所述信号校正步骤确定所述点亮 在一个子场周期期间,通过使用在所述运动矢量内通过所述子场内的所述一个像素的运动矢量,同时在所述一个像素的所述一个子场期间确定亮 - 亮模式信息 不是通过所述一个像素的运动矢量,从而产生新确定的具有亮 - 亮模式信息的新的子场光 - 亮模式信号。