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    • 2. 发明授权
    • Display device and display control method
    • 显示设备和显示控制方式
    • US08791932B2
    • 2014-07-29
    • US13375248
    • 2010-02-17
    • Masafumi UenoHiroyuki FurukawaKazuyoshi YoshiyamaYasuhiro OhkiKenji TakaseTakashi Ishizumi
    • Masafumi UenoHiroyuki FurukawaKazuyoshi YoshiyamaYasuhiro OhkiKenji TakaseTakashi Ishizumi
    • G09G5/00G09G3/36G09G5/10G09G3/34G02F1/1335
    • G09G3/3426G02F1/133603G09G2320/0242G09G2320/062G09G2320/0626G09G2320/0646G09G2360/141G09G2360/142
    • A display device includes: an LED control section (4) for carrying out control in which (i) an output luminance of an LED (10) whose measured luminance is deviated from a reference luminance or (ii) output luminances of peripheral LEDs (10) which are provided around the LED (10) is or are corrected, respectively, by using control information of the plurality of LEDs, which control information contains (a) information on measured luminances of the plurality of LEDs, the information being obtained by the plurality of photosensors (11) and (b) positional information of the plurality of LEDs, the positional information being obtained by the plurality of photosensors (11), and a liquid crystal display control section (3) for controlling, based on (i) video signals which have been subjected to the video signal process and are supplied from a video signal processing section (2) and (ii) the control information supplied from the LED control section (4), (a) levels of video signals to be supplied to pixels corresponding to the LED (10), whose output luminance is corrected or (b) levels of video signals to be supplied to pixels corresponding to the peripheral LEDs, whose output luminances are corrected, the reference luminance being a luminance which is originally expected to be outputted from each of the plurality of LEDs.
    • 显示装置包括:LED控制部分(4),用于执行其中(i)其测量亮度偏离参考亮度的LED(10)的输出亮度或(ii)外围LED(10)的输出亮度 )分别通过使用多个LED的控制信息来分别被修正,该控制信息包含(a)关于多个LED的测量亮度的信息,该信息是由 多个光传感器(11)和(b)多个LED的位置信息,多个光电传感器(11)获得的位置信息;以及液晶显示控制部分(3),用于基于(i) 已经经过视频信号处理并从视频信号处理部分(2)提供的视频信号和(ii)从LED控制部分(4)提供的控制信息,(a)要提供的视频信号的电平 对应于其输出亮度被校正的LED(10)的像素,或(b)要提供给其输出亮度被校正的外围LED对应的像素的视频信号的电平,作为最初的亮度的参考亮度 期望从多个LED中的每一个输出。
    • 6. 发明申请
    • IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD
    • 图像显示装置和图像显示方法
    • US20120313986A1
    • 2012-12-13
    • US13578824
    • 2011-02-22
    • Shinji NakagawaHiroyuki FurukawaKazuyoshi YoshiyamaNaoko Kondoh
    • Shinji NakagawaHiroyuki FurukawaKazuyoshi YoshiyamaNaoko Kondoh
    • G09G5/02
    • H04N1/52G09G3/2051G09G3/3607G09G2300/0452H04N1/4055
    • Provided is an image display device having pixels each of which includes sub-pixels of four or more colors and requires fewer dither matrices. This image display device includes a display section in which color filters of sub-pixel colors that are M colors in total including three principal colors of red, green, and blue, as well as at least one color other than the three principal colors are arranged regularly; and a gray-scale processing section (50) that performs gray-scale processing by a dither method with respect to an input image signal. The M sub-pixel colors are divided into N groups (G1 to GN) in such a manner that there is at least one group to which two or more colors belong. The gray-scale processing section (50) includes dither matrix storage ROMs (541 to 54N) that store N combinations of dither matrices corresponding to the N groups, respectively.
    • 提供了具有像素的图像显示装置,每个像素包括四种或更多种颜色的子像素,并且需要更少的抖动矩阵。 该图像显示装置包括显示部分,其中总共包括三种主要颜色的红色,绿色和蓝色的M个颜色的子像素颜色的滤色器以及三种主色以外的至少一种颜色 经常; 以及通过抖动方法相对于输入图像信号进行灰度处理的灰度处理部(50)。 M个子像素颜色以至少一个属于两个或多个颜色的组的方式被分成N组(G1至GN)。 灰度处理部分(50)包括分别存储对应于N组的抖动矩阵的N个组合的抖动矩阵存储ROM(541至54N)。
    • 7. 发明申请
    • IMAGE PROCESSING APPARATUS, DISPLAY APPARATUS PROVIDED WITH SAME, AND IMAGE PROCESSING METHOD
    • 图像处理装置,具有相同显示装置和图像处理方法
    • US20120301047A1
    • 2012-11-29
    • US13576699
    • 2011-02-22
    • Kazuyoshi YoshiyamaHiroyuki FurukawaNaoko KondohShinji Nakagawa
    • Kazuyoshi YoshiyamaHiroyuki FurukawaNaoko KondohShinji Nakagawa
    • G06K9/40
    • H04N5/14G06T5/007G06T2207/10024H04N5/142H04N5/208
    • Provided is an image processing apparatus that obtains an effect of improving perceived definition even when an input image signal does not include much of a high range component. The image processing apparatus (10) includes a high-pass filter (1) that extracts a mid-high range component from the input image signal; a nonlinear processing unit (2) that performs nonlinear processing on an output signal from the high-pass filter (1); an addition unit (3); a threshold value determination unit (4) that determines an upper threshold value and lower threshold value for clipping processing based on the maximum value and minimum value of the pixel values in the input image signal in the range thereof that was subjected to processing by the high-pass filter (1); a clipping unit (5) that performs clipping processing using the upper threshold value and lower threshold value; a high-pass filter (6) for an output signal from the clipping unit (5); a non-linear processing unit (7) that performs non-linear processing on an output signal from the high-pass filter (6); and an addition unit (8) that adds an output signal from the non-linear processing unit (7) and the output signal from the clipping unit (5).
    • 提供一种即使当输入图像信号不包括大范围分量的情况下也可获得提高感知清晰度的效果的图像处理装置。 图像处理装置(10)包括从输入图像信号中提取中高范围分量的高通滤波器(1) 对来自高通滤波器(1)的输出信号进行非线性处理的非线性处理单元(2); 加法单元(3); 阈值确定单元,其基于经过高处理的范围内的输入图像信号中的像素值的最大值和最小值来确定用于削波处理的上阈值和下阈值 通过滤波器(1); 剪切单元(5),其使用所述上阈值和下阈值进行剪辑处理; 用于来自剪辑单元(5)的输出信号的高通滤波器(6); 对来自高通滤波器(6)的输出信号执行非线性处理的非线性处理单元(7); 以及添加来自非线性处理单元(7)的输出信号和来自剪切单元(5)的输出信号的加法单元(8)。
    • 10. 发明申请
    • IMAGE DISPLAYING DEVICE AND METHOD, AND IMAGE PROCESSING DEVICE AND METHOD
    • 图像显示装置和方法,以及图像处理装置和方法
    • US20100020232A1
    • 2010-01-28
    • US12440654
    • 2007-04-10
    • Takeshi MoriSeiji KohashikawaHiroyuki FurukawaMasafumi UenoKenichiroh YamamotoTakashi Yoshii
    • Takeshi MoriSeiji KohashikawaHiroyuki FurukawaMasafumi UenoKenichiroh YamamotoTakashi Yoshii
    • H04N7/01
    • G09G3/20G09G3/3611G09G5/393G09G2320/0261G09G2320/106G09G2340/0435G09G2340/16H04N7/0112H04N7/0132H04N7/014H04N7/0147
    • It is an object to prevent the image quality deterioration of a moving image likely to include a plurality of the same consecutive images such as 2-3 or 2-2 pulldown video due to the motion-compensated frame rate conversion (FRC) processing. An image displaying device is provided with an FRC portion (10) for converting the number of frames in an input image signal by interpolating an image signal to which a motion compensation processing has been given between the frames in the input image signal, a pulldown detecting portion (14) for detecting whether the input image signal is an image signal to which pulldown conversion has been performed, and a controlling portion (15). The FRC portion (10) includes a motion vector detecting portion (11e) for detecting a motion vector between the frames of the input image signal, an interpolating vector evaluating portion (11f) for allocating an interpolating vector between the frames based on the motion vector information, and an interpolating frame generating portion (12d) for generating an interpolating frame from the interpolating vector. In the case that the input image signal is an image signal to which pulldown conversion has been performed, the controlling portion (15) set the motion vector detected by the motion vector detecting portion (11e) to zero-vector to make the motion compensation processing of the FRC portion (10) ineffective.
    • 本发明的目的是防止由于运动补偿帧速率转换(FRC)处理,运动图像的图像质量劣化可能包括多个相同的连续图像,例如2-3或2-2下拉视频。 图像显示装置设置有FRC部分(10),用于通过内插在输入图像信号中的帧之间已经给出运动补偿处理的图像信号来转换输入图像信号中的帧数,下拉检测 用于检测所述输入图像信号是否已经执行了下拉变换的图像信号的部分(14)和控制部分(15)。 FRC部分(10)包括用于检测输入图像信号的帧之间的运动矢量的运动矢量检测部分(11e),用于基于运动矢量来分配帧之间的内插矢量的内插矢量评估部分(11f) 信息,以及用于从内插向量生成内插帧的内插帧生成部分(12d)。 在输入图像信号是已经执行了下拉变换的图像信号的情况下,控制部分(15)将由运动矢量检测部分(11e)检测的运动矢量设置为零向量,以进行运动补偿处理 的FRC部分(10)无效。