公开(公告)号：US06344857B1

公开(公告)日：2002-02-05

申请号：US09283294

申请日：1999-04-01

申请人： Takaaki Matono ,  Haruki Takata ,  Katsunobu Kimura ,  Tatsuo Nagata ,  Takeshi Sakai ,  Koichi Sudo

发明人： Takaaki Matono ,  Haruki Takata ,  Katsunobu Kimura ,  Tatsuo Nagata ,  Takeshi Sakai ,  Koichi Sudo

IPC分类号： G09G504

CPC分类号： G09G3/2011 ,  G09G3/20 ,  G09G2320/0276 ,  H04N5/202

摘要： A gamma correction circuit includes a node level setting unit set predetermined level values of video signals from outside, in a case where encoded M-bit (where M is an arbitrary integer) video signals being represented by using predetermined number of sections and the level values of the video signals corresponding to 2n+1 number of nodes (where n is an arbitrary integer) associated with the sections on which the node are specified, and a gamma correction unit for executing gamma correction for the M-bit video signal in accordance with the level values of the nodes set in the node level setting unit, thereby the gamma correction circuit executes gamma correction on various types of display devices.

摘要翻译： 在通过使用预定数量的部分表示编码的M位（其中M是任意整数）视频信号的情况下，伽马校正电路包括设置来自外部的视频信号的预定电平值的节点电平设置单元， 对应于与指定节点的部分相关联的2n + 1个节点数目（其中n是任意整数）的视频信号，以及用于根据M-位视频信号执行伽马校正的伽马校正单元 在节点级设置单元中设置的节点的电平值，从而伽马校正电路对各种类型的显示设备执行伽马校正。

公开(公告)号：US6151079A

公开(公告)日：2000-11-21

申请号：US360248

申请日：1999-07-23

申请人： Tatsuo Nagata ,  Takaaki Matono ,  Takeshi Sakai ,  Ryo Hasegawa ,  Koichi Sudo

发明人： Tatsuo Nagata ,  Takaaki Matono ,  Takeshi Sakai ,  Ryo Hasegawa ,  Koichi Sudo

IPC分类号： G06F3/147 ,  G09G3/20 ,  G09G5/00 ,  H04N5/44 ,  H04N7/01 ,  H04N9/74 ,  H04N3/223

CPC分类号： G09G5/008 ,  G06F3/1475 ,  G09G5/005 ,  G09G2340/0414 ,  G09G2340/0421 ,  G09G2340/0442 ,  G09G2360/02 ,  G09G5/006

摘要： The present invention relates to a video signal processing apparatus for converting video signals based on a desired transmission system such as NTSC, PAL, MUSE or any other system so as to conform to a display unit of a desired screen system such as XGA, VGA or the like. The apparatus has a feature that it is provided with a PLL circuit for changing a sampling frequency used by an analog-to-digital converter for converting inputted video signals into digital signals in accordance with the sort of the transmission system of the video signals, and a controller for controlling picture element interpolation of the digital signals performed by a picture image magnifying circuit for magnifying the video signals horizontally and vertically, in accordance with the sort of the transmission system of the video signals.

摘要翻译： 本发明涉及一种视频信号处理装置，用于根据诸如NTSC，PAL，MUSE或任何其他系统的期望的传输系统来转换视频信号，以便符合所需屏幕系统的显示单元，例如XGA，VGA或 类似。 该装置具有一个特征，它具有一个PLL电路，用于根据视频信号的传输系统的种类，改变用于将输入的视频信号转换为数字信号的模拟 - 数字转换器使用的采样频率;以及 控制器，用于控制由图像放大电路执行的数字信号的像素内插，用于根据视频信号的传输系统的分类水平和垂直放大视频信号。

公开(公告)号：US5276515A

公开(公告)日：1994-01-04

申请号：US942143

申请日：1992-09-08

申请人： Kenji Katsumata ,  Shigeru Hirahata ,  Haruki Takata ,  Mituo Konno ,  Kouichi Ishibashi ,  Kazuhiro Kaizaki ,  Takaaki Matono ,  Atushi Haratani

发明人： Kenji Katsumata ,  Shigeru Hirahata ,  Haruki Takata ,  Mituo Konno ,  Kouichi Ishibashi ,  Kazuhiro Kaizaki ,  Takaaki Matono ,  Atushi Haratani

IPC分类号： G06T3/40 ,  H04N5/262 ,  H04N5/44 ,  H04N7/01 ,  H04N5/46

CPC分类号： H04N7/0122 ,  G06T3/40 ,  H04N5/2628

摘要： A video signal processing circuit is provided to display an image of a standard television signal on a display unit with a 6:9 aspect ratio by enlarging an image of a video signal in the horizontal and vertical directions by a magnification factor which depends on the feature of the standard television signal. The processing circuit includes a first memory circuit which reads out the stored video signal in response to a read clock different from the write clock and generated by a stable frequency source so that the image of the video signal is expanded in the vertical direction, a second memory circuit which implements time-base compression for the output of the first memory circuit and thereafter expands the signal, a spatial filter which implements filtering for the output of the second memory circuit, an enlargement control circuit which control the above-mentioned circuits, and a synchronizing processing circuit. The circuit arrangement enables video signals of various image sizes, such as for movie pictures, to be displayed by signal conversion on a display unit with a 16:9 aspect ratio, and is capable of suppressing jitters of video signals.

摘要翻译： 提供一种视频信号处理电路，通过在水平和垂直方向上放大视频信号的图像，依赖于特征的放大系数，以6:9的宽高比在显示单元上显示标准电视信号的图像 的标准电视信号。 处理电路包括：第一存储器电路，其响应于与写入时钟不同的读取时钟读出存储的视频信号，并由稳定的频率源产生，使得视频信号的图像在垂直方向上扩展，第二存储器电路 对第一存储器电路的输出进行时基压缩，然后扩展信号的存储电路，对第二存储电路的输出实现滤波的空间滤波器，控制上述电路的放大控制电路，以及 一个同步处理电路。 该电路装置能够通过在具有16:9宽高比的显示单元上进行信号转换来显示诸如电影图像的各种图像尺寸的视频信号，并且能够抑制视频信号的抖动。

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：US07907134B2

公开(公告)日：2011-03-15

申请号：US12428281

申请日：2009-04-22

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

IPC分类号： G09G5/00

CPC分类号： G09G3/2096 ,  G09G3/20 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/16 ,  H04N5/20 ,  H04N5/57 ,  H04N5/70 ,  H04N21/4318 ,  H04N21/44008

摘要： With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) of analog -to-dialog converted luminance signals for a predetermined period, determines one of the predefined luminance regions within which the MPL falls and one of the predefined luminance regions within which the APL falls, and, based on the thus determined luminance regions of both MPL and APL, carries out a contrast adjustment of video images by changing the gain of luminance signals and color depth correction by changing the gain of color signals.

摘要翻译： 为了提供再现稳定和高对比度视频图像的视频显示技术，构建了对比度调整电路。 对比度调整电路在预定时间内检测模拟对话转换的亮度信号的最大图像电平（MPL）和平均图像电平（APL），确定MPL下降的预定亮度区域之一， APL下降的预定亮度区域，并且基于这样确定的MPL和APL的亮度区域，通过改变亮度信号的增益和通过改变颜色信号的增益来改变色彩深度校正来执行视频图像的对比度调整 。

公开(公告)号：US07760213B2

公开(公告)日：2010-07-20

申请号：US12428246

申请日：2009-04-22

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

IPC分类号： G09G5/10

CPC分类号： G09G3/2096 ,  G09G3/20 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/16 ,  H04N5/20 ,  H04N5/57 ,  H04N5/70 ,  H04N21/4318 ,  H04N21/44008

摘要： With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) of luminance signals for a predetermined period, determines one of the predefined luminance regions within which the MPL falls and one of the predefined luminance regions within which the APL falls, and, based on the thus determined luminance regions of both MPL and APL, carries out a contrast adjustment of video images by changing the gain of luminance signals and color depth correction by changing the gain of color signals.

摘要翻译： 为了提供再现稳定和高对比度视频图像的视频显示技术，构建了对比度调整电路。 对比度调整电路在预定时间段内检测亮度信号的最大图像电平（MPL）和平均图像电平（APL），确定MPL下降的预定义亮度区域中的一个和其中 APL下降，并且基于由此确定的MPL和APL的亮度区域，通过改变色彩信号的增益来改变亮度信号的增益和色彩深度校正来执行视频图像的对比度调整。

公开(公告)号：US07701475B2

公开(公告)日：2010-04-20

申请号：US11655869

申请日：2007-01-22

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

IPC分类号： G09G5/10

CPC分类号： G09G3/2096 ,  G09G3/20 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/16 ,  H04N5/20 ,  H04N5/57 ,  H04N5/70 ,  H04N21/4318 ,  H04N21/44008

摘要： With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) of luminance signals for a predetermined period, determines one of the predefined luminance regions within which the MPL falls and one of the predefined luminance regions within which the APL falls, and, based on the thus determined luminance regions of both MPL and APL, carries out a contrast adjustment of video images by changing the gain of luminance signals and color depth correction by changing the gain of color signals.

摘要翻译： 为了提供再现稳定和高对比度视频图像的视频显示技术，构建了对比度调整电路。 对比度调整电路在预定时间段内检测亮度信号的最大图像电平（MPL）和平均图像电平（APL），确定MPL下降的预定义亮度区域中的一个和其中 APL下降，并且基于由此确定的MPL和APL的亮度区域，通过改变色彩信号的增益来改变亮度信号的增益和色彩深度校正来执行视频图像的对比度调整。

公开(公告)号：US07643089B2

公开(公告)日：2010-01-05

申请号：US12120472

申请日：2008-05-14

申请人： Masuo Oku ,  Hironori Komi ,  Keisuke Inata ,  Ryosuke Toya ,  Kenji Katsumata ,  Shigeru Komatsu ,  Shinobu Torikoshi ,  Takaaki Matono ,  Fumihito Tanaka ,  Masaaki Hisanaga

发明人： Masuo Oku ,  Hironori Komi ,  Keisuke Inata ,  Ryosuke Toya ,  Kenji Katsumata ,  Shigeru Komatsu ,  Shinobu Torikoshi ,  Takaaki Matono ,  Fumihito Tanaka ,  Masaaki Hisanaga

IPC分类号： H04N11/20 ,  H04N5/45

CPC分类号： H04N5/775 ,  H04N5/4401 ,  H04N5/445 ,  H04N5/45 ,  H04N5/46 ,  H04N5/85 ,  H04N7/012 ,  H04N21/42638 ,  H04N21/42653 ,  H04N21/4305 ,  H04N21/4316 ,  H04N21/440218

摘要： A decoder apparatus which includes a de-multiplexer, which is configured to divide motion picture data from a transport stream, a video decoder, which is configured to decode the divided motion picture data, and a first re-formatter on-screen unit, which is configured to display motion picture data and at least one of first and second graphic data on a screen. The first re-formatter on-screen unit converts motion picture data of a first aspect ratio, which is decoded by the video decoder, and first graphics data, which is produced by applying information relating to a caption corresponding to the motion picture data, into a second aspect ratio, when outputting the motion picture data of the first aspect ratio after conversion into the second aspect ratio, without converting the aspect ratio of second graphic data, which is produced by applying information relating to a program guide.

摘要翻译： 一种解码器装置，包括解复用器，其被配置为从传输流分割运动图像数据，被配置为对分割的运动图像数据进行解码的视频解码器和第一重新格式化器屏幕单元，其中 被配置为在屏幕上显示运动图像数据和第一和第二图形数据中的至少一个。 第一重新格式化器屏幕单元将由视频解码器解码的第一宽高比的运动图像数据和通过将与运动图像数据相对应的字幕相关的信息应用的信息产生的第一图形数据转换成 第二宽高比，当在转换成第二宽高比之后输出第一宽高比的运动图像数据而不转换通过应用与节目指南相关的信息而产生的第二图形数据的纵横比。

公开(公告)号：US20090262259A1

公开(公告)日：2009-10-22

申请号：US12428281

申请日：2009-04-22

申请人： Hiroshi AOKI ,  Ryo Hasegawa ,  Takaaki Matono

发明人： Hiroshi AOKI ,  Ryo Hasegawa ,  Takaaki Matono

IPC分类号： H04N9/12

CPC分类号： G09G3/2096 ,  G09G3/20 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/16 ,  H04N5/20 ,  H04N5/57 ,  H04N5/70 ,  H04N21/4318 ,  H04N21/44008

摘要： With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) of analog-to-digital converted luminance signals for a predetermined period, determines one of the predefined luminance regions within which the MPL falls and one of the predefined luminance regions within which the APL falls, and, based on the thus determined luminance regions of both MPL and APL, carries out a contrast adjustment of video images by changing the gain of luminance signals and color depth correction by changing the gain of color signals.By means of the illuminating optics and color synthesis optics of a projector using three video display elements, alleviating color heterogeneity and uneven luminance and offering high contrast images are achieved at reduced cost, and the convergence drift of an enlarged image displayed on the screen can be alleviated.

摘要翻译： 为了提供再现稳定和高对比度视频图像的视频显示技术，构建了对比度调整电路。 对比度调整电路在预定时间内检测模数转换亮度信号的最大图像电平（MPL）和平均图像电平（APL），确定MPL下降的预定亮度区域中的一个， APL下降的预定亮度区域，并且基于这样确定的MPL和APL的亮度区域，通过改变亮度信号的增益和通过改变颜色信号的增益来改变色彩深度校正来执行视频图像的对比度调整 。 通过使用三个视频显示元件的投影仪的照明光学元件和颜色合成光学元件，以降低成本实现减轻颜色异质性和不均匀亮度并提供高对比度图像，并且可以在屏幕上显示的放大图像的会聚漂移 缓解

公开(公告)号：US20090262245A1

公开(公告)日：2009-10-22

申请号：US12428246

申请日：2009-04-22

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Takaaki Matono

IPC分类号： H04N5/57

CPC分类号： G09G3/2096 ,  G09G3/20 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/16 ,  H04N5/20 ,  H04N5/57 ,  H04N5/70 ,  H04N21/4318 ,  H04N21/44008

摘要： With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) of analog-to-digital converted luminance signals for a predetermined period, determines one of the predefined luminance regions within which the MPL falls and one of the predefined luminance regions within which the APL falls, and, based on the thus determined luminance regions of both MPL and APL, carries out a contrast adjustment of video images by changing the gain of luminance signals and color depth correction by changing the gain of color signals.By means of the illuminating optics and color synthesis optics of a projector using three video display elements, alleviating color heterogeneity and uneven luminance and offering high contrast images are achieved at reduced cost, and the convergence drift of an enlarged image displayed on the screen can be alleviated.