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    • 1. 发明授权
    • Image displaying device and method, and image processing device and method for preventing image deterioration
    • 图像显示装置和方法,以及用于防止图像劣化的图像处理装置和方法
    • US08537276B2
    • 2013-09-17
    • US12442482
    • 2007-02-19
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki Furukawa
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki Furukawa
    • H04N7/01
    • H04N5/145G09G2320/0261G09G2320/106G09G2340/0435H04N5/783H04N7/0132H04N7/014H04N9/8042
    • Deterioration in image quality of a moving image obtained by special reproduction caused by frame rate conversion (FRC) processing of a motion compensation type is prevented. An image displaying device includes an FRC portion 10 that converts the number of frames of the input image signal by interpolating an image signal to which motion compensation processing has been performed between frames of an input image signal, a special reproduction determining portion 14 that determines whether or not the input image signal is an image signal relating to a predetermined genre, and a controlling portion 15. The FRC portion 10 includes a motion vector detecting portion lie that detects a motion vector between frames of the input image signal, an interpolation vector evaluating portion 11f that assigns an interpolation vector between frames based on the motion vector information, and an interpolation frame generating portion 12d that generates an interpolation frame from the interpolation vector. When the input image signal is an image signal obtained by special reproduction including “fast forward reproduction” and “rewind reproduction”, the controlling portion 15 makes the motion compensation processing in the FRC portion 10 ineffective by making the motion vector detected by the motion vector detecting portion 11e to zero-vector.
    • 防止由运动补偿型的帧速率转换(FRC)处理引起的特殊再现而获得的运动图像的图像质量的劣化。 图像显示装置包括:FRC部分10,其通过内插输入图像信号的帧之间进行了运动补偿处理的图像信号,确定是否执行输入图像信号的特殊再现确定部分14来转换输入图像信号的帧数 或者不是输入图像信号是与预定类型有关的图像信号,以及控制部分15.FRC部分10包括运动矢量检测部分lie,其检测输入图像信号的帧之间的运动矢量, 基于运动矢量信息在帧之间分配插值矢量的部分11f以及从插值矢量生成插值帧的内插帧生成部12d。 当输入图像信号是通过包括“快进再现”和“倒带重放”的特殊再现获得的图像信号时,控制部分15通过使由运动矢量检测到的运动矢量在FRC部分10中进行运动补偿处理无效 检测部分11e为零矢量。
    • 3. 发明授权
    • Image displaying device and method, and image processing device and method
    • 图像显示装置及方法,图像处理装置及方法
    • US08395700B2
    • 2013-03-12
    • US12312909
    • 2007-05-18
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki FurukawaYasuhiro Yoshida
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki FurukawaYasuhiro Yoshida
    • H04N7/01
    • H04N7/014G09G3/20G09G3/3611G09G2310/061G09G2320/0261G09G2320/106G09G2340/0435H04N7/0132
    • The quality of moving picture image with a large moving amount is prevented from deterioration due to moving compensation type frame rate conversion (FRC) processing. The image display device is comprised of an FRC unit (10) that interpolates an image signal subjected to moving compensation processing between frames so as to convert the number of frames of the input image signal, a moving amount judging unit (14) that judges whether a moving amount of the input image signal between the frames is larger than a predetermined value or not, and a control unit (15). The FRC unit (10) is provided with a moving vector detecting unit (11e) that detects a moving vector between the frames of the input image signal, an interpolation vector evaluating unit (11f) that allocates an interpolation vector between the frames on the basis of the moving vector information and an interpolation frame generating unit (12d) that generates an interpolation frame from the interpolation vector. In the case where the moving amount between the frames of the input image signal is larger than the predetermined value, the control unit (15) sets the moving vector detected by the moving vector detecting unit (11e) to be zero-vector, and it invalidates the moving compensation processing of the FRC unit (10).
    • 由于移动补偿型帧速率转换(FRC)处理,防止移动量大的运动图像的质量下降。 图像显示装置包括:FRC单元(10),其对在帧之间进行移动补偿处理的图像信号进行内插,以便转换输入图像信号的帧数;移动量判断单元(14),其判断是否 帧之间的输入图像信号的移动量大于预定值,以及控制单元(15)。 FRC单元(10)设置有移动矢量检测单元(11e),其检测输入图像信号的帧之间的移动矢量;插值矢量评估单元(11f),其基于在帧之间分配插值矢量 的移动矢量信息和从内插矢量生成插值帧的插值帧生成单元(12d)。 在输入图像信号的帧之间的移动量大于预定值的情况下,控制单元(15)将由移动矢量检测单元(11e)检测的移动矢量设置为零向量,并且 使FRC单元(10)的移动补偿处理无效。
    • 4. 发明授权
    • Image displaying device and method and image processing device and method for preventing image deterioration due to motion-compensated rate conversion processing
    • 用于防止运动补偿速率转换处理造成的图像劣化的图像显示装置和方法以及图像处理装置和方法
    • US08325272B2
    • 2012-12-04
    • US12440654
    • 2007-04-10
    • Takeshi MoriSeiji KohashikawaHiroyuki FurukawaMasafumi UenoKenichiroh YamamotoTakashi Yoshii
    • Takeshi MoriSeiji KohashikawaHiroyuki FurukawaMasafumi UenoKenichiroh YamamotoTakashi Yoshii
    • H04N5/08H04N7/12
    • 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。
    • 5. 发明授权
    • Edge enhancement method and apparatus
    • 边缘增强方法和装置
    • US08319898B2
    • 2012-11-27
    • US12530145
    • 2008-04-18
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki FurukawaYasuhiro YoshidaIkuko Tsubaki
    • Masafumi UenoKenichiroh YamamotoTakashi YoshiiHiroyuki FurukawaYasuhiro YoshidaIkuko Tsubaki
    • H04N5/21
    • G09G3/3611G09G2320/0261G09G2320/106G09G2340/0435H04N5/145H04N7/0132H04N7/014
    • An image processing device, method, an image display device and method which can obtain a high-definition display image by properly controlling processing of reducing the blur of a displayed image caused by the time integration effect of an image sensor. The image display device comprises a motion detection part (1) which detects the moving amount of an input image signal, and an edge emphasis part (2) which subjects the input image signal to edge emphasis processing, and the image display device increases an edge emphasis degree of edge emphasis processing to an area where the moving amount of the input image signal is large. The image display device comprises a genre judgment part (3) which judges the genre classification which the input image signal is connected with according to genre information obtained from outside of the device, and a control part (4) which controls the edge emphasis part (2) to reduce the edge emphasis degree of the edge emphasis processing or to avoid the edge emphasis processing even in the area where the moving amount of the input signal is large when the input image signal is connected with a predetermined genre.
    • 一种图像处理装置,方法,图像显示装置和方法,其可以通过适当地控制由图像传感器的时间积分效应引起的减少显示图像的模糊的处理来获得高清晰度显示图像。 图像显示装置包括检测输入图像信号的移动量的运动检测部(1)和使输入图像信号进行边缘加重处理的边缘加重部(2),并且图像显示装置增加边缘 边缘强调处理的强调程度到输入图像信号的移动量大的区域。 图像显示装置包括:类型判定部,根据从装置的外部得到的种类信息,判定输入图像信号连接的流派分类;以及控制部,其控制边缘强调部( 2)当输入图像信号以预定的类型连接时,即使在输入信号的移动量较大的区域中,也可以减少边缘强调处理的边缘强度,或避免边缘强调处理。
    • 8. 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
    • US20100118185A1
    • 2010-05-13
    • US12513484
    • 2007-03-12
    • Hiroyuki FurukawaKenichiroh YamamotoTakashi YoshiiMasafumi UenoYasuhiro Yoshida
    • Hiroyuki FurukawaKenichiroh YamamotoTakashi YoshiiMasafumi UenoYasuhiro Yoshida
    • H04N7/01
    • H04N7/014G09G3/2025G09G2320/106H04N5/144H04N7/0132
    • It is an object to suppress a disturbance or distortion of an insertion image in the vicinity of an effective image edge portion such as an edge portion of a screen or the like caused by a moving compensation type frame rate conversion (FRC). An image processing device is provided with a moving vector detection circuit (2) for detecting a moving vector of an input image signal, an effective image edge portion judging circuit (5) for judging if a moving vector detecting position is adjacent to the effective image edge portion, and a vector switching circuit (3) for switching a vector in accordance with the judging result. The vector switching circuit (3) fixes the vector to 0 vector in the case where the moving vector detecting position is adjacent to the effective image edge portion. In the case where the position is in other region, the vector switching circuit (3) outputs the moving vector detected by the moving vector detection circuit (2) to an insertion vector allocation circuit (4).
    • 本发明的目的是抑制由移动补偿型帧率转换(FRC)引起的诸如屏幕等的边缘部分的有效图像边缘部分附近的插入图像的干扰或变形。 图像处理装置具有用于检测输入图像信号的移动矢量的移动矢量检测电路(2),用于判断移动矢量检测位置是否与有效图像相邻的有效图像边缘部分判定电路(5) 边缘部分和用于根据判断结果切换矢量的矢量切换电路(3)。 在移动矢量检测位置与有效图像边缘部分相邻的情况下,矢量切换电路(3)将向量固定为0矢量。 在位置处于其他区域的情况下,矢量切换电路(3)将由移动矢量检测电路(2)检测的移动矢量输出到插入矢量分配电路(4)。