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21. 发明授权

US4875044A Digital limiting circuit 失效
标题翻译：数字限幅电路
公开(公告)号：US4875044A
公开(公告)日：1989-10-17
申请号：US127279
申请日：1987-12-01
申请人： Yoshiyuki Ohta , Taku Kihara
发明人： Yoshiyuki Ohta , Taku Kihara
IPC分类号： H03G11/00 , H04N5/20
CPC分类号： H04N5/20 , H03G11/008
摘要： A digital limiter limits the amplitude of a digital video signal by replacing input data that lies outside the range defined by lower and upper limit levels. Such data are replaced respectively with (1) an average value of (a) the data preceding the first data lying outside the range and (b) the upper or lower limit level data and (2) an average value of (a) the data following the last data lying outside the range and (b) the upper or lower limit level data. This enables a good soft-limit operation without compromising the linearity of the video signal.
摘要翻译：数字限幅器通过替换位于由下限和上限级别限定的范围之外的输入数据来限制数字视频信号的幅度。这些数据分别用（1）第一数据之前的数据位于范围之外的平均值（b）上限或下限数据和（2）数据的平均值（a）的平均值跟随最后的数据位于范围之外，（b）上限或下限数据。这使得能够在不影响视频信号的线性的情况下实现良好的软限制操作。

22. 发明授权

US4855829A Aperture correction circuit 失效
标题翻译：光圈校正电路
公开(公告)号：US4855829A
公开(公告)日：1989-08-08
申请号：US171764
申请日：1988-03-22
申请人： Taku Kihara
发明人： Taku Kihara
IPC分类号： H04N5/208
CPC分类号： H04N5/208
摘要： An aperture correction circuit that adds an aperture correction signal formed from an input video signal to the input video signal, wherein the aperture correction signal is processed by a non-linear processing and then added to the input video signal to thereby effect the aperture correction for a picture of low or high contrast.
摘要翻译：一种孔径校正电路，其将由输入视频信号形成的孔径校正信号与输入视频信号相加，其中所述孔径校正信号通过非线性处理进行处理，然后被加到所述输入视频信号，从而实现所述孔径校正低或高对比度的图片。

23. 发明授权

US4677464A Video signal generating apparatus with color sequencing 失效
标题翻译：具有彩色排序的视频信号发生装置
公开(公告)号：US4677464A
公开(公告)日：1987-06-30
申请号：US618839
申请日：1984-06-08
申请人： Kazunori Yamaji , Takashi Nakamura , Taku Kihara
发明人： Kazunori Yamaji , Takashi Nakamura , Taku Kihara
IPC分类号： H04N9/80 , H04N5/765 , H04N5/92 , H04N9/64 , H04N9/79 , H04N9/82 , H04N9/85 , H04N9/04 , H04N5/78 , H04N11/06
CPC分类号： H04N9/79
摘要： A video signal generating apparatus having a video camera which has a higher scanning speed than that of a standard video camera for generating a prior standard television video signal is disclosed which includes a circuit for dividing the video signal into a plurality of channel video signals, a circuit for expanding a time axis of the channel video signals, a circuit for combining the time axis expanded channel video signals for producing a plurality of composite video signals so that each of the composite video signals has a band width similar to that of the standard television video signal respectively and, a circuit for supplying a reference signal to the combining circuit so that each of the composite video signals has a color framing sequence same as that of the standard television video signal respectively.
摘要翻译：公开了一种视频信号发生装置，其具有比用于产生现有标准电视视频信号的标准摄像机的扫描速度更高的扫描速度的摄像机，其包括用于将视频信号分割为多个通道视频信号的电路，用于扩展通道视频信号的时间轴的电路，用于组合时间轴扩展通道视频信号以产生多个复合视频信号的电路，使得每个复合视频信号具有类似于标准电视机的带宽视频信号，以及用于向组合电路提供参考信号的电路，使得每个复合视频信号分别具有与标准电视视频信号相同的彩色成帧序列。

24. 发明授权

US4622581A Video camera control circuit averaging control signals each obtained by adding or subtracting a previous control signal and reference correcting data in response to error data, with the reference correcting data being reduced for each polarity reversal 失效
标题翻译：视频摄像机控制电路平均控制信号，每个控制信号通过相加或减去先前的控制信号和参考校正数据来响应错误数据而得到的，每个极性反转的参考校正数据被减少
公开(公告)号：US4622581A
公开(公告)日：1986-11-11
申请号：US652084
申请日：1984-09-19
申请人： Taku Kihara , Takashi Nakamura
发明人： Taku Kihara , Takashi Nakamura
IPC分类号： H04N5/228 , H04N3/227 , H04N9/04 , H04N9/09 , H04N9/093
CPC分类号： H04N9/09 , H04N9/093
摘要： An automatic control circuit for a video camera includes an error detecting circuit for detecting and generating error data, a control signal generator supplied with the error data and generating a control signal, and a control circuit supplied with the control signal for controlling a controlled circuit for the video camera; wherein said control signal generator mixes reference correcting data generated from the error data with the control signal thereby to generate a new control signal, and the control signal generator includes a circuit for changing the polarity of the reference correcting data and decreasing the absolute value of the reference correcting data when the error data changes its polarity and a circuit for averaging the plural control signals each of which is generated when the reference correcting data is at its minimum value and the error data changes its polarity, the output of the averaging circuit being the control signal.
摘要翻译：用于摄像机的自动控制电路包括用于检测和产生误差数据的误差检测电路，提供误差数据并产生控制信号的控制信号发生器，以及控制电路，该控制信号用于控制控制电路摄像机; 其中所述控制信号发生器将从误差数据产生的参考校正数据与控制信号混合，从而产生新的控制信号，并且控制信号发生器包括用于改变参考校正数据的极性并减小绝对值的电路当误差数据改变其极性时的参考校正数据和用于对参考校正数据处于其最小值时产生的多个控制信号进行平均的电路，并且误差数据改变其极性，平均电路的输出为控制信号。

25. 发明授权

US07302112B2 Contour-emphasizing circuit 失效
标题翻译：轮廓强调电路
公开(公告)号：US07302112B2
公开(公告)日：2007-11-27
申请号：US10297814
申请日：2002-04-11
申请人： Shingo Shimazaki , Taku Kihara
发明人： Shingo Shimazaki , Taku Kihara
IPC分类号： G06K9/40 , G06K9/48 , G06K15/00 , G06T5/00 , H04N1/407 , H04N1/409 , H04N5/21
CPC分类号： H04N5/208
摘要： An edge enhancement circuit uses bandpass filters to separate an original video signal into low-, middle- and high-frequency band edge components which will be supplied to waveform shaping circuits. Each of the waveform shaping circuits detects an amplitude peak level of the edge component, generates a gain coefficient based on the peak level, and multiplies the original video signal by the gain coefficient. The results of multiplication are added together to generate a final detail signal. Thus, the edge enhancement circuit amplifies the amplitude of the edge component having a frequency approximate to the spatial frequency of the video signal to provide an edge enhancement based on a frequency characteristic corresponding to the spatial frequency of the video signal.
摘要翻译：边缘增强电路使用带通滤波器将原始视频信号分离成将被提供给波形整形电路的低，中，高频带边缘分量。每个波形整形电路检测边缘分量的振幅峰值电平，根据峰值电平产生增益系数，并将原始视频信号乘以增益系数。相乘的结果被加在一起以产生最终的细节信号。因此，边缘增强电路放大具有近似于视频信号的空间频率的频率的边缘分量的幅度，以基于与视频信号的空间频率相对应的频率特性来提供边缘增强。

26. 发明授权

US06803950B2 Imaging system with memory and control system 失效
标题翻译：具有记忆和控制系统的成像系统
公开(公告)号：US06803950B2
公开(公告)日：2004-10-12
申请号：US08940103
申请日：1997-09-29
申请人： Kazuyoshi Miyamoto , Katsuhiko Tsushima , Taku Kihara
发明人： Kazuyoshi Miyamoto , Katsuhiko Tsushima , Taku Kihara
IPC分类号： H04N576
CPC分类号： H04N5/232
摘要： An imaging system capable of easily and reliably adjusting the functions provided in the camera device and preventing mistaken adjustment of these functions. At a step S255, a specified parameter of a definition file or a user file is deleted or changed in values. A CPU judges whether or not an effective key is pressed. If the key is found to be pressed, the CPU proceeds to a step S256 and, if otherwise, the CPU dwells at a step S255. At a step S256, the CPU reads out image data of a parameter setting window from a disc drive based on the selected parameter or the definition file prevailing at a time point of pressing of the effective key. The CPU writes image data of the parameter setting window in a VRAM and causes a display image corresponding to the image data to be displayed on a display.
摘要翻译：一种成像系统，其能够容易且可靠地调整照相机装置中提供的功能并防止这些功能的错误调整。在步骤S255，删除或更改定义文件或用户文件的指定参数。 CPU判断是否按下有效键。如果发现键被按下，则CPU前进到步骤S256，否则CPU停在步骤S255。在步骤S256中，CPU根据选择的参数或按下有效键的时间点的定义文件，从盘驱动器读出参数设定窗口的图像数据。 CPU将参数设置窗口的图像数据写入VRAM，并使与图像数据对应的显示图像显示在显示器上。

27. 发明授权

US06476877B2 Color correction apparatus, color correction controller, and color correction system 失效
标题翻译：色彩校正装置，色彩校正控制器和色彩校正系统
公开(公告)号：US06476877B2
公开(公告)日：2002-11-05
申请号：US08921842
申请日：1997-09-02
申请人： Taku Kihara , Hiroshi Higuchi
发明人： Taku Kihara , Hiroshi Higuchi
IPC分类号： H04N964
CPC分类号： H04N9/735 , H04N1/6033
摘要： The invention provides a technique of making color adjustment for a great number of colors among different imaging apparatus. In the process of making color adjustment among a plurality of cameras, a color correction processing unit disposed in a CCU of each camera detects data associated with lightness, hue, and saturation for a plurality of specified colors. The detected data is transmitted as color data to a CPU. According to the color data supplied from each CCU, the CPU divides the color space into a plurality of areas, and calculates setting data which is required by the color correction processing unit to correct the lightness, hue, and saturation. The resultant setting data is transmitted to the color correction processing unit. In actual use in a normal operation mode, the color correction processing unit corrects the lightness, hue, and saturation according to the procedure determined for each area in accordance with the setting data.
摘要翻译：本发明提供了一种在不同的成像装置中进行大量颜色的颜色调整的技术。在多个相机之间进行颜色调整的过程中，设置在每个相机的CCU中的颜色校正处理单元检测与多个指定颜色的亮度，色调和饱和度相关联的数据。检测到的数据作为颜色数据发送到CPU。根据从每个CCU提供的颜色数据，CPU将颜色空间划分为多个区域，并且计算颜色校正处理单元需要的设置数据以校正亮度，色调和饱和度。所得到的设置数据被发送到颜色校正处理单元。在正常操作模式下的实际使用中，颜色校正处理单元根据根据设置数据为每个区域确定的过程来校正亮度，色调和饱和度。

28. 发明授权

US6002796A Video signal compression apparatus utilizing multiple compression ratios 失效
标题翻译：利用多个压缩比的视频信号压缩装置
公开(公告)号：US6002796A
公开(公告)日：1999-12-14
申请号：US574520
申请日：1995-12-19
申请人： Seiji Kawa , Fumihiko Sudo , Taku Kihara
发明人： Seiji Kawa , Fumihiko Sudo , Taku Kihara
IPC分类号： H04N5/20 , G26K9/36
CPC分类号： H04N5/20
摘要： Video signal compression apparatus for analyzing an input video signal to determine the distribution of signal levels and compressing the input signal as a function of the distribution to produce an output video signal.
摘要翻译：视频信号压缩装置，用于分析输入视频信号以确定信号电平的分布并根据分布压缩输入信号以产生输出视频信号。

29. 发明授权

US5986715A Rate converter using a register postfix type transversal filter 失效
标题翻译：速率转换器使用寄存器后缀类型横向滤波器
公开(公告)号：US5986715A
公开(公告)日：1999-11-16
申请号：US815884
申请日：1997-03-12
申请人： Hiromasa Ikeyama , Taku Kihara , Shigetoshi Nohda
发明人： Hiromasa Ikeyama , Taku Kihara , Shigetoshi Nohda
IPC分类号： H03H17/06 , H04N5/14 , H04N7/01 , H04N5/91
CPC分类号： H03H17/0657 , H04N5/14 , H04N7/0102
摘要： (M-N) 0 data are inserted for every N data of the f.sub.SL input data by an interpolation circuit 20 for generating f.sub.SH rate data, while filter coefficients are sequentially generated by M coefficient generators 30A to 30D at the f.sub.SH rate. A register postfix type transversal filter 40 effectuates up rate conversion of N:M (N
摘要翻译：通过用于产生fSH速率数据的内插电路20插入用于fSL输入数据的每N个数据的M-N个数据，同时由f系数发生器30A至30D以fSH速率依次生成滤波器系数。寄存器后缀类型横向滤波器40实现从fSL速率输入数据生成fSH速率输出数据的N：M（N

30. 发明授权

US5767900A Digital apparatus for contour enhancement of video signal 失效
标题翻译：用于视频信号轮廓增强的数字设备
公开(公告)号：US5767900A
公开(公告)日：1998-06-16
申请号：US577139
申请日：1995-12-22
申请人： Ichiro Tanji , Taku Kihara
发明人： Ichiro Tanji , Taku Kihara
IPC分类号： H04N5/208 , H04N5/14 , H04N9/64
CPC分类号： H04N5/142 , H04N9/646
摘要： Digital processing apparatus for correcting an image enhancement signal having a shape includes a peak detector for detecting and holding peak levels of the image enhancement signal and an adjustment circuit, responsive to the peak levels, for correcting the image enhancement signal to reduce its peak levels while substantially maintaining its shape and to limit the signal levels of the image enhancement signal to a range of levels substantially between a first predetermined peak limit and a second predetermined peak limit.
摘要翻译：用于校正具有形状的图像增强信号的数字处理装置包括用于检测并保持图像增强信号的峰值电平的峰值检测器和响应于峰值电平的调整电路，用于校正图像增强信号以降低其峰值电平，同时基本上保持其形状并且将图像增强信号的信号电平限制在基本上在第一预定峰值极限和第二预定峰值极限之间的水平范围。

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