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    • 2. 发明申请
    • MOTION VECTOR DETECTION APPARATUS, METHOD OF DETECTING MOTION VECTORS, AND IMAGE DISPLAY DEVICE
    • 运动矢量检测装置,检测运动矢量的方法和图像显示装置
    • US20090059067A1
    • 2009-03-05
    • US12020771
    • 2008-01-28
    • Kenta TakanohashiMasahiro OginoYoshiaki Mizuhashi
    • Kenta TakanohashiMasahiro OginoYoshiaki Mizuhashi
    • H04N7/01H04N5/14
    • H04N7/014H04N7/012H04N7/0127
    • A motion vector detection apparatus is disclosed capable of detecting accurate motion vectors from between a previous frame of image and the presently displayed frame of image even in edge regions of the frames where inaccurate motion vectors would normally tend to be detected. A motion vector-detecting portion reads in an image signal from the signal input portion as well as image signals entered through first through third frame memories. Processing for detecting motion vectors is performed, based on four frames entered in synchronism to the motion vector-detecting portion out of the frames forming the image signals. Vectors produced between the image signal from the first frame memory delayed by one frame relative to the image signal from the signal input portion and the image signal from the second frame memory delayed by two frames relative to the image signal from the signal input portion are detected as motion vectors.
    • 公开了一种运动矢量检测装置,其能够即使在通常倾向于检测不准确的运动矢量的帧的边缘区域中也可以检测来自图像的前一帧和当前显示的图像帧之间的精确运动矢量。 运动矢量检测部分从信号输入部分读取图像信号以及通过第一至第三帧存储器输入的图像信号。 基于在形成图像信号的帧中与运动矢量检测部分同步地输入的四个帧来执行用于检测运动矢量的处理。 检测在相对于来自信号输入部分的图像信号延迟一帧的图像信号和来自第二帧存储器的图像信号相对于来自信号输入部分的图像信号延迟两帧之间产生的矢量 作为运动矢量。
    • 4. 发明授权
    • Image processor and image display apparatus comprising the same
    • 图像处理器和包括该图像处理器的图像显示装置
    • US08175121B2
    • 2012-05-08
    • US11960828
    • 2007-12-20
    • Nobuhiro FukudaMasahiro OginoYoshiaki MizuhashiTakashi Oyama
    • Nobuhiro FukudaMasahiro OginoYoshiaki MizuhashiTakashi Oyama
    • H04J3/06
    • H04N7/0142
    • An image processor includes a motion vector acquisition section for acquiring and outputting an image motion vector in pixel or a predetermined block unit from plural frames included in an input image signal; and a frame interpolation section for generating an interpolated frame by using the motion vector provided by the motion vector acquisition section and for combining the interpolated frame with a frame of the input image signal, thereby composing a signal of a new frame sequence. The motion vector acquisition section includes a first motion vector acquisition section acquiring a motion vector by matching process and a second motion vector acquisition section acquiring a motion vector based on a relative misalignment of a predetermined edge component between two temporally successive frames in a specific area of an input image signal's frame.
    • 一种图像处理器包括:运动矢量获取部分,用于从包括在输入图像信号中的多个帧中获取并输出像素或预定块单元中的图像运动矢量; 以及帧内插部分,用于通过使用由运动矢量获取部分提供的运动矢量来生成内插帧,并且将内插帧与输入图像信号的帧组合,由此组成新的帧序列的信号。 运动矢量获取部分包括通过匹配处理获取运动矢量的第一运动矢量获取部分和第二运动矢量获取部分,其基于在特定区域中的两个时间上连续的帧之间的预定边缘分量的相对未对准来获取运动矢量 输入图像信号的帧。
    • 5. 发明申请
    • Image processing apparatus
    • 图像处理装置
    • US20070273787A1
    • 2007-11-29
    • US11646405
    • 2006-12-28
    • Masahiro OginoYasutaka TsuruYoshiaki MizuhashiJunichi Satoh
    • Masahiro OginoYasutaka TsuruYoshiaki MizuhashiJunichi Satoh
    • H04N7/01
    • H04N7/015
    • A technique for flexibly converting the number of frames of a displayed image on the basis of a motion in the image or information of an image signal such as a program genre is provided. An image processing apparatus includes an input unit to which an image signal having a predetermined frame rate is input, an information acquirer for acquiring information concerning the input image signal, and a frame rate converter for converting the frame rate of the input image signal and outputting a resultant signal. The frame rate converter conducts the frame rate conversion of the input image signal on the basis of the information (such as the motion in the image or the program genre) of the input image signal acquired by the information acquirer.
    • 提供了一种用于基于图像中的运动或诸如节目类型的图像信号的信息灵活地转换显示图像的帧数的技术。 一种图像处理装置包括输入具有预定帧速率的图像信号的输入单元,用于获取关于输入图像信号的信息的信息获取器,以及用于转换输入图像信号的帧速率并输出 结果信号。 帧速率转换器基于由信息获取器获取的输入图像信号的信息(诸如图像中的运动或节目类型)来执行输入图像信号的帧速率转换。
    • 7. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US08107007B2
    • 2012-01-31
    • US11646405
    • 2006-12-28
    • Masahiro OginoYasutaka TsuruYoshiaki MizuhashiJunichi Satoh
    • Masahiro OginoYasutaka TsuruYoshiaki MizuhashiJunichi Satoh
    • H04N7/01
    • H04N7/015
    • A technique for flexibly converting the number of frames of a displayed image on the basis of a motion in the image or information of an image signal such as a program genre is provided. An image processing apparatus includes an input unit to which an image signal having a predetermined frame rate is input, an information acquirer for acquiring information concerning the input image signal, and a frame rate converter for converting the frame rate of the input image signal and outputting a resultant signal. The frame rate converter conducts the frame rate conversion of the input image signal on the basis of the information (such as the motion in the image or the program genre) of the input image signal acquired by the information acquirer.
    • 提供了一种用于基于图像中的运动或诸如节目类型的图像信号的信息灵活地转换显示图像的帧数的技术。 一种图像处理装置包括输入具有预定帧速率的图像信号的输入单元,用于获取关于输入图像信号的信息的信息获取器,以及用于转换输入图像信号的帧速率并输出 结果信号。 帧速率转换器基于由信息获取器获取的输入图像信号的信息(诸如图像中的运动或节目类型)来执行输入图像信号的帧速率转换。
    • 9. 发明授权
    • Image interpolation device and a frame rate converter and image display apparatus using the same
    • 图像插值装置和使用其的图像显示装置的帧速率转换器和图像显示装置
    • US07586540B2
    • 2009-09-08
    • US11260219
    • 2005-10-28
    • Masahiro OginoYouichi IgarashiYoshinori Tanaka
    • Masahiro OginoYouichi IgarashiYoshinori Tanaka
    • H04N7/01
    • H04N7/014G06T3/4007G06T7/246H04N7/0142
    • More accurate frame-rate conversion is carried out in a simpler circuit configuration. Search areas SA+1 and SA−1 in each of which the pixel facing the interpolation position P0 of a pixel in an interpolation frame is taken as a central pixel are set in the current frame and immediately previous frame of an image signal, a set of pixels point-symmetrical to the interpolation position P0 in each of the search areas SA+1 and SA−1 are defined as pixel pairs, and differential luminance values between the individual pixels in the pixel pairs are calculated for each pixel pair. Of all these pixel pairs, only that having the minimum absolute differential value is selected as interpolation pixel pair, an interpolation frame is generated from the current frame and the immediately previous frame on the basis of the interpolation pixel vector of that interpolation pixel pair.
    • 在更简单的电路配置中进行更准确的帧速率转换。 将内插帧中的像素的内插位置P0的面向像素的像素作为中心像素的搜索区SA + 1和SA-1被设置在图像信号的当前帧和紧接的前一帧中,集合 将每个搜索区域SA + 1和SA-1中的内插位置P0点对称的像素定义为像素对,并且针对每个像素对计算像素对中的各个像素之间的差分亮度值。 在所有这些像素对中,仅选择具有最小绝对差分值的那些作为内插像素对,基于该内插像素对的内插像素矢量,从当前帧和紧接的前一帧生成内插帧。