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    • 2. 发明授权
    • Arithmetic device and encryption/decryption device
    • 算术装置和加密/解密装置
    • US07564972B2
    • 2009-07-21
    • US10481239
    • 2003-04-18
    • Hiromi MatsudaTakafumi HosoiMasao TanakaTakayasu Kon
    • Hiromi MatsudaTakafumi HosoiMasao TanakaTakayasu Kon
    • H04K1/06H04K1/00
    • H04L9/003H04L9/0625
    • Input data (plain text data or encrypted text data) are latched according to a clock CLK1 and, after initial transposition thereof, the data are outputted from a selector. The lower-order bits of the output data from the selector are processed through expanded transposition and then are calculated together with key data K1 in an XOR circuit, and the result data are latched according to a clock CLK2. The latched 48-bit data are divided into eight 6-bits data, each of which is then replaced with 4-bit data, and after combination thereof, the data are transposed. In the calculations of second and subsequent stages, the data obtained through replacement and combination in a replacement/combination circuit are latched according to the clock CLK1 and then are outputted from the selector. And after completion of the 16th-stage calculation, the data replaced in a replacement circuit are inversely transposed.
    • 输入数据(明文数据或加密文本数据)根据时钟CLK1被锁存,并且在其初始转置之后,从选择器输出数据。 来自选择器的输出数据的低位通过扩展转置进行处理,然后与XOR电路中的关键数据K1一起计算,结果数据根据时钟CLK2锁存。 锁存的48位数据被分为8个6位数据,每个数据被替换为4位数据,并在其组合之后转置数据。 在第二级和后级的计算中,通过替换/组合电路中的替换和组合获得的数据根据​​时钟CLK1被锁存,然后从选择器输出。 并且在第16阶段计算完成之后,在替换电路中替换的数据被反向置换。
    • 4. 发明授权
    • Image pickup apparatus including automatic white balance control capability
    • 摄像装置包括自动白平衡控制功能
    • US08520092B2
    • 2013-08-27
    • US13173751
    • 2011-06-30
    • Satoshi NakayamaHiromi Matsuda
    • Satoshi NakayamaHiromi Matsuda
    • H04N9/73
    • H04N5/2352H04N9/735
    • An image pickup apparatus such as a video camera has the capability of automatic white balance control whereby the white balance is quickly adjusted for any object even just after an operator has turned on a power supply. An image pickup element converts an optical image of an object into an electrical image signal. The image signal is applied to a signal processing circuit and separated into a luminance signal and color signals. The separated color signals or the R and B signals are amplified by gain control circuits under the control of the correction signals supplied by a correction signal computing part, and then applied to a color-difference signal forming circuit which in turn produces color-difference signals (R-Y) and (B-Y). An encoder circuit generates a television signal in the standard form from the above color-difference signals and the luminance signal. In this processing, the white balance is adjusted according to a white balance control signal generated on the basis of information about a state of illuminance onto an object picked up last time and stored in a data storing part.
    • 诸如摄像机的图像拾取装置具有自动白平衡控制的能力,从而即使在操作者接通电源之后也可以快速调整任何对象的白平衡。 图像拾取元件将物体的光学图像转换为电图像信号。 图像信号被施加到信号处理电路并分离成亮度信号和颜色信号。 分离的彩色信号或R和B信号在由校正信号计算部分提供的校正信号的控制下由增益控制电路放大,然后施加到色差信号形成电路,色差信号形成电路又产生色差信号 (RY)和(BY)。 编码器电路根据上述色差信号和亮度信号产生标准形式的电视信号。 在该处理中,根据基于上次拾取的物体的照度的信息生成的白平衡控制信号来调整白平衡,并存储在数据存储部中。
    • 5. 发明授权
    • Calculation device and calculation method
    • 计算装置及计算方法
    • US07392272B2
    • 2008-06-24
    • US10480803
    • 2003-04-18
    • Hiromi MatsudaMiki AbeEiichiro MorinagaMasao Tanaka
    • Hiromi MatsudaMiki AbeEiichiro MorinagaMasao Tanaka
    • G06F7/38
    • H04L9/0877H04L2209/60
    • An arithmetic unit and an arithmetic method that output no information necessary for decryption or encryption to the outside and can perform a self-protecting function when an illegal attack is made. A command monitoring part (44) monitors input command sequences. In a first sequence, a process key in a first stage is calculated from a hardware key (Khd) and is then written to a key storing part (47). In each of the following sequences, a process key in a next stage is calculated from a process key stored in the key storing part (47). When commands of predetermined contents are inputted in predetermined order, a content key is calculated and then written to the key storing part (47). Encrypted data is decrypted with the content key, and the result is outputted from data output means (63). When an illegal attack is made, initialization is performed by selecting fixed value data (Kf) as key data (Ksl) and selecting fixed value data (Df) as input data (Ein).
    • 一种算术单元和算术方法,其不向外部输出解密或加密所需的信息,并且可以在进行非法攻击时执行自我保护功能。 命令监视部分(44)监视输入命令序列。 在第一序列中,根据硬件密钥(Khd)计算第一级中的处理密钥,然后将其写入密钥存储部分(47)。 在以下每个序列中,从存储在密钥存储部分(47)中的处理密钥计算下一级中的处理密钥。 当以预定顺序输入预定内容的命令时,计算内容密钥,然后将其写入密钥存储部分(47)。 加密数据用内容密钥解密,结果从数据输出装置(63)输出。 当进行非法攻击时,通过选择固定值数据(Kf)作为密钥数据(Ksl)并选择固定值数据(Df)作为输入数据(Ein)来执行初始化。
    • 6. 发明授权
    • Integrated fading and mixing for a picture processing apparatus
    • 用于图像处理装置的集成衰落和混合
    • US07379103B1
    • 2008-05-27
    • US09460778
    • 1999-12-14
    • Hiromi MatsudaEichiro MorinagaMiki Abe
    • Hiromi MatsudaEichiro MorinagaMiki Abe
    • H04N5/262H04N9/74
    • H04N5/278
    • The present invention provides a picture synthesizing apparatus comprising a first synthesis means for synthesizing base picture data with mix picture data to be synthesized with said base picture data; a single-color-picture generating means for generating a piece of single-color picture data or a plurality of pieces of single-color picture data; a select means for selecting one of said pieces of single-color picture data generated by said single-color-picture generating means to be used in fade processing of said base picture data and said mix picture data; and a second synthesis means for synthesizing an output of said first synthesis means with an output of said select means. Accordingly, the picture synthesizing apparatus of the present invention is capable of carrying out processing to synthesize a base picture and a mixing picture and fade processing in an integrated and coordinated manner as well as being capable of carrying out cross-fade processing in addition to single-color-fade processing.
    • 本发明提供了一种图像合成装置,包括:第一合成装置,用于将基本图像数据与要与所述基本图像数据合成的混合图像数据合成; 单色图像产生装置,用于产生一条单色图像数据或多条单色图像数据; 选择装置,用于选择由所述单色图像产生装置生成的所述单色图像数据之一,以用于所述基本图像数据和所述混合图像数据的渐变处理; 以及第二合成装置,用于将所述第一合成装置的输出与所述选择装置的输出进行合成。 因此,本发明的图像合成装置能够以综合协调的方式进行合成基本图像和混合图像和淡入淡出处理的处理,并且能够进行除了单个 彩色渐变处理。
    • 8. 发明申请
    • IMAGE PICKUP APPARATUS
    • 图像拾取装置
    • US20070146499A1
    • 2007-06-28
    • US11683658
    • 2007-03-08
    • Satoshi NakayamaHiromi Matsuda
    • Satoshi NakayamaHiromi Matsuda
    • H04N9/73
    • H04N5/2352H04N9/735
    • An image pickup apparatus such as a video camera has the capability of automatic white balance control whereby the white balance is quickly adjusted for any object even just after an operator has turned on a power supply. An image pickup element converts an optical image of an object into an electrical image signal. The image signal is applied to a signal processing circuit and separated into a luminance signal and color signals. The separated color signals or the R and B signals are amplified by gain control circuits under the control of the correction signals supplied by a correction signal computing part, and then applied to a color-difference signal forming circuit which in turn produces color-difference signals (R-Y) and (B-Y). An encoder circuit generates a television signal in the standard form from the above color-difference signals and the luminance signal. In this processing, the white balance is adjusted according to a white balance control signal generated on the basis of information about a state of illuminance onto an object picked up last time and stored in a data storing part.
    • 诸如摄像机的图像拾取装置具有自动白平衡控制的能力,从而即使在操作者接通电源之后也可以快速调整任何对象的白平衡。 图像拾取元件将物体的光学图像转换为电图像信号。 图像信号被施加到信号处理电路并分离成亮度信号和颜色信号。 分离的彩色信号或R和B信号在由校正信号计算部分提供的校正信号的控制下由增益控制电路放大,然后施加到色差信号形成电路,色差信号形成电路又产生色差信号 (RY)和(BY)。 编码器电路根据上述色差信号和亮度信号产生标准形式的电视信号。 在该处理中,根据基于上次拾取的物体的照度的信息生成的白平衡控制信号来调整白平衡,并存储在数据存储部中。
    • 10. 发明授权
    • Image pickup apparatus with white balance control based on brightness
    • 基于亮度的白平衡控制的摄像装置
    • US06621519B2
    • 2003-09-16
    • US09009101
    • 1998-01-20
    • Satoshi NakayamaHiromi Matsuda
    • Satoshi NakayamaHiromi Matsuda
    • H04N973
    • H04N5/2352H04N9/735
    • An image pickup apparatus such as a video camera has the capability of automatic white balance control whereby the white balance is quickly adjusted for any object even just after an operator has turned on a power supply. An image pickup element converts an optical image of an object into an electrical image signal. The image signal is applied to a signal processing circuit and separated into a luminance signal and color signals. The separated color signals or the R and B signals are amplified by gain control circuits under the control of the correction signals supplied by a correction signal computing part, and then applied to a color-difference signal forming circuit which in turn produces color-difference signals (R−Y) and (B−Y). An encoder circuit generates a television signal in the standard form from the above color-difference signals and the luminance signal. In this processing, the white balance is adjusted according to a white balance control signal generated on the basis of information about a state of illuminance onto an object picked up last time and stored in a data storing part.
    • 诸如摄像机的图像拾取装置具有自动白平衡控制的能力,从而即使在操作者接通电源之后也可以快速调整任何对象的白平衡。 图像拾取元件将物体的光学图像转换为电图像信号。 图像信号被施加到信号处理电路并分离成亮度信号和颜色信号。 分离的彩色信号或R和B信号在由校正信号计算部分提供的校正信号的控制下由增益控制电路放大,然后施加到色差信号形成电路,色差信号形成电路又产生色差信号 (RY)和(BY)。 编码器电路根据上述色差信号和亮度信号产生标准形式的电视信号。 在该处理中,根据基于上次拾取的物体的照度的信息生成的白平衡控制信号来调整白平衡,并存储在数据存储部中。