公开(公告)号：US4811092A

公开(公告)日：1989-03-07

申请号：US85894

申请日：1987-08-14

申请人： Masahiko Achiha ,  Kazuo Ishikura ,  Shobu Saito ,  Masato Sugiyama ,  Kenji Katsumata

发明人： Masahiko Achiha ,  Kazuo Ishikura ,  Shobu Saito ,  Masato Sugiyama ,  Kenji Katsumata

IPC分类号： H04N9/77 ,  G06T7/20 ,  H04N5/14 ,  H04N7/18

CPC分类号： G06T7/2053 ,  H04N5/144

摘要： A movement detector necessary for processing composite color television signals, which detects movement in image signals, wherein the detecting circuit is so constructed that no deficient motion is produced. A difference signal between the present frame and that preceding by two frames of the television signals is converted into a motion information signal and a movement detection signal is made by integrating the signal obtained by the conversion with respect to temporal axis.

摘要翻译： 用于处理检测图像信号中的移动的复合彩色电视信号所需的运动检测器，其中检测电路被构造成不产生不足的运动。 将电视信号的两帧之间的当前帧和之前的帧之间的差分信号转换为运动信息信号，并且通过对通过转换获得的相对于时间轴的信号进行积分来进行运动检测信号。

公开(公告)号：US4794454A

公开(公告)日：1988-12-27

申请号：US105013

申请日：1987-10-06

申请人： Masato Sugiyama ,  Kenji Katsumata ,  Shigeru Hirahata ,  Isao Nakagawa ,  Sunao Suzuki ,  Masahiko Achiha ,  Kazuo Ishikura

发明人： Masato Sugiyama ,  Kenji Katsumata ,  Shigeru Hirahata ,  Isao Nakagawa ,  Sunao Suzuki ,  Masahiko Achiha ,  Kazuo Ishikura

IPC分类号： H04N9/77 ,  H04N9/64 ,  H04N7/18 ,  H04N5/21

CPC分类号： H04N9/646

摘要： A movement detection circuit for detecting movement information of a luminance signal and movement information of a chrominance signal of a television signal comprises a first movement detection circuit for detecting the movement information of the luminance signal and a second movement detection circuit for detecting the movement information of the chrominance signal. The first movement detection circuit detects the movement information of the luminance signal based on two signals spaced by one frame period, and the second movement detection circuit detects the movement information of the chrominance signal based on two signals spaced by two frames periods.

摘要翻译： 用于检测亮度信号的运动信息和电视信号的色度信号的移动信息的移动检测电路包括：用于检测亮度信号的移动信息的第一移动检测电路和用于检测亮度信号的运动信息的第二移动检测电路， 色度信号。 第一移动检测电路基于间隔一帧周期的两个信号来检测亮度信号的移动信息，第二移动检测电路基于间隔两帧周期的两个信号来检测色度信号的移动信息。

公开(公告)号：US4736252A

公开(公告)日：1988-04-05

申请号：US932376

申请日：1986-11-20

申请人： Isao Nakagawa ,  Masahiko Achiha ,  Masato Sugiyama ,  Kenji Katsumata ,  Toshinori Murata ,  Shigeru Hirahata ,  Akihide Okuda

发明人： Isao Nakagawa ,  Masahiko Achiha ,  Masato Sugiyama ,  Kenji Katsumata ,  Toshinori Murata ,  Shigeru Hirahata ,  Akihide Okuda

IPC分类号： H04N9/78 ,  H04N5/14 ,  H04N9/64 ,  H04N11/04

CPC分类号： H04N5/144

摘要： A motion detector for a chrominance signal which is used with a TV receiver equipped with a video signal motion detector. This motion detector for a chrominance signal has a delay element for delaying the chrominance signal of a video signal by 1 frame period, a subtractor for subtracting the output signal of the delay element from the input signal thereof, an absolute value conversion circuit to which the output signal from the subtractor is inputted, and a smoother circuit to which the output signal from the absolute value conversion circuit is supplied. If the chrominance signals of video signals on two consecutive frames are the same, the output signal of the subtractor becomes zero. If the chrominance signals of video signals on two consecutive frames are different, the output signal of the substractor takes a positive or negative value. The negative value signal is converted into a positive value signal by the absolute value conversion circuit. A signal is outputted from the smoother circuit only when the chrominance signals of video signals on two consecutive frames are different. This outputted signal is a chrominance signal motion detection signal. The luminance signal contained in a video signal is removed from the video signal using a comb-type filter.

摘要翻译： 用于与配备有视频信号运动检测器的TV接收机一起使用的色度信号的运动检测器。 用于色度信号的运动检测器具有用于将视频信号的色度信号延迟1帧周期的延迟元件，用于从其输入信号中减去延迟元件的输出信号的减法器，绝对值转换电路， 输入来自减法器的输出信号，并且提供来自绝对值转换电路的输出信号的平滑电路。 如果两个连续帧上的视频信号的色度信号相同，则减法器的输出信号变为零。 如果两个连续帧上的视频信号的色度信号不同，则减法器的输出信号为正或负值。 负值信号由绝对值转换电路转换为正值信号。 仅当两个连续帧上的视频信号的色度信号不同时才从平滑电路输出信号。 该输出信号是色度信号运动检测信号。 使用梳状滤波器从视频信号中去除包含在视频信号中的亮度信号。

公开(公告)号：US4775888A

公开(公告)日：1988-10-04

申请号：US143336

申请日：1988-01-13

申请人： Isao Nakagawa ,  Masahiko Achiha ,  Masato Sugiyama ,  Kenji Katsumata ,  Toshinori Murata ,  Shigeru Hirahata ,  Akihide Okuda

发明人： Isao Nakagawa ,  Masahiko Achiha ,  Masato Sugiyama ,  Kenji Katsumata ,  Toshinori Murata ,  Shigeru Hirahata ,  Akihide Okuda

IPC分类号： H04N5/14 ,  H04N9/64 ,  H04N5/21

CPC分类号： H04N5/144

摘要： A motion detector for a chrominance signal which is used with a TV receiver equipped with a video signal motion detector. This motion detector for a chrominance signal has a delay element for delaying the chrominance signal of a video signal by 1 frame period, a subtracter for subtracting the output signal of the delay element from the input signal thereof, an absolute value conversion circuit to which the output signal from the subtracter is inputted, and a smoother circuit to which the output signal from the absolute value conversion circuit is supplied. If the chrominance signal of video signals on two consecutive frames are the same, the output signal of the subtracter becomes zero. If the chrominance signals of video signals on two consecutive frames are different, the output signal of the subtracter takes a positive or negative value. The negative value signal is converted into a positive value signal by the absolute value conversion circuit. A signal is outputted from the smoother circuit only when the chrominance signals of video signals on two consecutive frames are different. This outputted signal is a chrominance signal motion detection signal.The luminance signal contained in a video signal is removed from the video signal using a comb-type filter.

摘要翻译： 用于与配备有视频信号运动检测器的TV接收机一起使用的色度信号的运动检测器。 用于色度信号的运动检测器具有用于将视频信号的色度信号延迟1帧周期的延迟元件，用于从其输入信号中减去延迟元件的输出信号的减法器，绝对值转换电路， 输入来自减法器的输出信号，并且提供来自绝对值转换电路的输出信号的平滑电路。 如果两个连续帧上的视频信号的色度信号相同，则减法器的输出信号变为零。 如果两个连续帧上的视频信号的色度信号不同，则减法器的输出信号取正值或负值。 负值信号由绝对值转换电路转换为正值信号。 仅当两个连续帧上的视频信号的色度信号不同时才从平滑电路输出信号。 该输出信号是色度信号运动检测信号。 使用梳状滤波器从视频信号中去除包含在视频信号中的亮度信号。

公开(公告)号：US5029006A

公开(公告)日：1991-07-02

申请号：US343495

申请日：1989-04-25

申请人： Kenji Katsumata ,  Shigeru Hirahata ,  Masato Sugiyama ,  Takaaki Matono ,  Kazuo Ishikura ,  Sunao Suzuki ,  Kazuhiro Kaizaki

发明人： Kenji Katsumata ,  Shigeru Hirahata ,  Masato Sugiyama ,  Takaaki Matono ,  Kazuo Ishikura ,  Sunao Suzuki ,  Kazuhiro Kaizaki

IPC分类号： G06T3/40 ,  H04N5/262 ,  H04N9/74

CPC分类号： G06T3/4007 ,  H04N5/262 ,  H04N5/2628 ,  H04N5/44 ,  H04N7/012

摘要： A video signal processing circuit capable of enlarging and displaying a picture and adapted for use in an apparatus in which a desired picture is selected, and a video signal representative of the desired picture under interlaced scanning is received, stored in a memory and processed to provide an enlarged video signal, comprises includes a real signal/interpolated signal preparation circuit for preparing, from the stored video signal, new scanning lines for an image to be enlarged, and a memory processing circuit having switching control function to store an output signal of the real signal/interpolated signal preparation circuit in a memory, read the video signal out of the memory at a period different from a period at which the output signal is stored in the memory, and delay a read-out signal by one or more fields so that an enlarged signal is delivered.

摘要翻译： 一种视频信号处理电路，其能够放大并显示图像，并且适于在其中选择期望的图像的装置中使用，并且在隔行扫描中接收表示期望图像的视频信号，存储在存储器中并进行处理以提供 扩大的视频信号包括一个实际的信号/内插信号准备电路，用于从所存储的视频信号中准备用于待放大的图像的新的扫描线，以及具有切换控制功能的存储器处理电路，用于存储 存储器中的实时信号/内插信号准备电路，以与输出信号存储在存储器中的周期不同的周期从存储器读出视频信号，并且将读出信号延迟一个或多个字段， 放大的信号被传送。

公开(公告)号：US4853765A

公开(公告)日：1989-08-01

申请号：US186164

申请日：1988-04-26

申请人： Kenji Katsumata ,  Masato Sugiyama ,  Takaaki Matono ,  Shigeru Hirahata ,  Isao Nakagawa ,  Kazuo Ishikura ,  Sunao Suzuki

发明人： Kenji Katsumata ,  Masato Sugiyama ,  Takaaki Matono ,  Shigeru Hirahata ,  Isao Nakagawa ,  Kazuo Ishikura ,  Sunao Suzuki

IPC分类号： H04N9/78 ,  H04N5/937 ,  H04N7/01

CPC分类号： H04N5/4448

摘要： A video signal processing circuit capable of reproducing a still picture signal from a color video signal comprises a luminance signal/chrominance signal separation circuit of a motion adaptive type, a scanning line interpolation circuit of a motion adaptive type connected with the separation circuit, a first memory connected with the separation circuit to store therein the output of the separation circuit, a second memory connected with the interpolation circuit to store therein the output of the interpolation circuit and a switching circuit for delivering therethrough the outputs of said first and second memories as a first output signal alternately and for delivering therethrough the outputs of said second and first memories as a second output signal alternately, the alternation for the delivery by the switching circuit being effected at a frequency identical with the field frequency of the video signal.

摘要翻译： 能够从彩色视频信号再现静止图像信号的视频信号处理电路包括运动自适应型的亮度信号/色度信号分离电路，与分离电路连接的运动自适应型的扫描线内插电路，第一 与所述分离电路连接的存储器，其中存储所述分离电路的输出;第二存储器，与所述内插电路连接以在其中存储所述内插电路的输出;以及切换电路，用于将所述第一和第二存储器的输出作为 交替地将第一和第二存储器的输出作为第二输出信号交替输出，由切换电路传送的交替以与视频信号的场频相同的频率进行。

公开(公告)号：US5181110A

公开(公告)日：1993-01-19

申请号：US634518

申请日：1990-12-27

申请人： Kenji Katsumata ,  Shigeru Hirahata ,  Masato Sugiyama ,  Takaaki Matono ,  Kazuo Ishikura ,  Sunao Suzuki ,  Kazuhiro Kaizaki

发明人： Kenji Katsumata ,  Shigeru Hirahata ,  Masato Sugiyama ,  Takaaki Matono ,  Kazuo Ishikura ,  Sunao Suzuki ,  Kazuhiro Kaizaki

IPC分类号： G06T3/40 ,  H04N5/262 ,  H04N5/44

CPC分类号： G06T3/4007 ,  H04N5/262 ,  H04N5/2628 ,  H04N5/44 ,  H04N7/012

摘要： A video signal processing circuit capable of enlarging and displaying a picture and adapted for use in an apparatus in which a desired picture is selected, and a video signal representative of the desired picture under interlaced scanning is received, stored in a memory and processed to provide an enlarged video signal, includes a real signal/interpolated signal preparation circuit for preparing, from the stored video signal, new scanning lines for an image to be enlarged, and a memory processing circuit having switching control function to store an output signal of the real signal/interpolated signal preparation circuit in a memory, read the video signal out of the memory at a period different from a period at which the output signal is stored in the memory, and delay a read-out signal by one or more fields so that an enlarged signal is delivered.

摘要翻译： 一种视频信号处理电路，其能够放大并显示图像，并且适于在其中选择期望的图像的装置中使用，并且在隔行扫描中接收表示期望图像的视频信号，存储在存储器中并进行处理以提供 放大的视频信号包括一个实际信号/内插信号准备电路，用于从所存储的视频信号中准备用于要放大的图像的新扫描线，以及具有切换控制功能的存储器处理电路，以存储实际的输出信号 信号/内插信号准备电路在存储器中以与输出信号存储在存储器中的周期不同的周期从存储器读出视频信号，并且通过一个或多个字段延迟读出信号，使得 传送放大的信号。

公开(公告)号：US06509930B1

公开(公告)日：2003-01-21

申请号：US09596555

申请日：2000-06-19

申请人： Yasuhiro Hirano ,  Takaaki Matono ,  Haruki Takata ,  Takashi Hasegawa ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Yasutaka Tsuru

发明人： Yasuhiro Hirano ,  Takaaki Matono ,  Haruki Takata ,  Takashi Hasegawa ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Yasutaka Tsuru

IPC分类号： H04N701

CPC分类号： H04N7/012 ,  H04N5/145 ,  H04N5/147

摘要： A low-cost motion-compensated picture signal scan conversion circuit ensuring high picture quality is to be provided. The circuit has a motion-adaptive first interpolation signal generator; a second motion-compensated interpolation signal generator; a motion vector detector; and a setting unit for checking the reliability of motion compensation by comparing signals from the second interpolation signal generator with signals on interlaced scanning lines, and setting the selection of signals from the first and second interpolation signal generators, wherein interlaced scanned signals are converted into progressive scanned signals by setting the threshold so that the threshold become smaller with an increase in the number of re-searched blocks in the detection of motion vectors.

摘要翻译： 提供确保高图像质量的低成本运动补偿图像信号扫描转换电路。 该电路具有运动自适应第一内插信号发生器; 第二运动补偿插值信号发生器; 运动矢量检测器; 以及设置单元，用于通过将来自第二内插信号发生器的信号与隔行扫描线上的信号进行比较来检查运动补偿的可靠性，以及设置来自第一和第二内插信号发生器的信号的选择，其中隔行扫描信号被转换为渐进 通过设置阈值使得阈值随着检测运动矢量中的重新搜索的块的数量的增加而变小。

公开(公告)号：US06144412A

公开(公告)日：2000-11-07

申请号：US950666

申请日：1997-10-15

申请人： Yasuhiro Hirano ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Shoji Kimura ,  Toshiyuki Kurita ,  Tsuguo Itagaki ,  Haruki Takata

发明人： Yasuhiro Hirano ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Shoji Kimura ,  Toshiyuki Kurita ,  Tsuguo Itagaki ,  Haruki Takata

IPC分类号： H04N5/46 ,  G06T3/40 ,  G09G5/00 ,  H04N3/223 ,  H04N7/01 ,  H04N11/20

CPC分类号： G06T3/4007 ,  H04N7/012 ,  H04N7/0122

摘要： In order to carry out format conversion or scaling processing of picture signal by a memory having a small capacity, picture signals of interlace scanning are converted into picture signals of progressive scanning by interpolation by using an IP convertor 1 and a multiple scan convertor 3, a scaling processing of expansion and compression in the horizontal direction is firstly performed by using a horizontal scaling unit 5, processing of expansion, compression, frame rate conversion, synchronization and the like are secondly performed by using a vertical scaling unit 6 and commonly using memories used in scaling processing in the vertical direction and finally, color space conversion or inverse gamma processing is performed by using a picture quality improving unit 8 thereby converting the picture signals into picture signals S6 having a predetermined format.

摘要翻译： 为了通过具有小容量的存储器执行图像信号的格式转换或缩放处理，隔行扫描的图像信号通过使用IP转换器1和多扫描转换器3进行插值而被转换为逐行扫描的图像信号， 首先通过使用水平缩放单元5执行水平方向上的扩展和压缩的缩放处理，通过使用垂直缩放单元6并且通常使用所使用的存储器来再次执行扩展，压缩，帧速率转换，同步等的处理 在垂直方向的缩放处理中，最后，通过使用图像质量改善单元8执行颜色空间转换或反伽马处理，从而将图像信号转换为具有预定格式的图像信号S6。

公开(公告)号：US06611294B1

公开(公告)日：2003-08-26

申请号：US09720327

申请日：2000-12-22

申请人： Yasuhiro Hirano ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Yasutaka Tsuru ,  Takaaki Matono ,  Haruki Takata ,  Takashi Kanehachi

发明人： Yasuhiro Hirano ,  Kazuo Ishikura ,  Masato Sugiyama ,  Mitsuo Nakajima ,  Yasutaka Tsuru ,  Takaaki Matono ,  Haruki Takata ,  Takashi Kanehachi

IPC分类号： H04N701

CPC分类号： H04N7/012 ,  H04N5/145 ,  H04N5/4401 ,  H04N7/014 ,  H04N19/513 ,  H04N19/61

摘要： The present invention provides a movement correction frame count transformation apparatus for carrying out frame count transformation processing on a picture signal. In the apparatus, an input picture signal (S1) of interlaced scanning is converted into a signal (S2) of sequential scanning by an IP conversion unit (1). A movement detecting unit (3) detects movement detection signals (MD1 and MD2). A block unit movement vector searching unit (4) detects a block unit movement vector (BMV) by carrying out block matching processing. A movement vector correcting unit (5) carries out miniblock division processing to generate a movement vector (BV) if a movement correction error is equal to or greater than a threshold value. A pixel unit movement vector generating unit (6) generates a movement vector with a smallest error component between a frame signal of a current frame and a frame signal of an immediately preceding frame as a movement vector of a pixel. An MC interpolation frame signal generating unit (7) generates an interpolation frame in movement correction processing carried out by a median filter in order to produce a signal (S4) of sequential scanning as a result of frame count transformation based on movement correction.

摘要翻译： 本发明提供一种用于对图像信号执行帧计数变换处理的移动校正帧计数变换装置。 在该装置中，隔行扫描的输入图像信号（S1）被IP转换单元（1）转换成顺序扫描的信号（S2）。 移动检测单元（3）检测移动检测信号（MD1和MD2）。 块单元移动向量搜索单元（4）通过执行块匹配处理来检测块单元移动向量（BMV）。 如果移动校正误差等于或大于阈值，则运动矢量校正单元（5）执行小块分割处理以生成运动矢量（BV）。 像素单元移动向量生成单元（6）生成当前帧的帧信号与前一帧的帧信号之间的最小误差分量的运动矢量作为像素的运动矢量。 MC内插帧信号生成单元（7）生成由中值滤波器执行的移动校正处理中的内插帧，以便基于移动校正产生作为帧计数变换的结果的顺序扫描的信号（S4）。