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    • 71. 发明授权
    • Timing generator of image input device
    • 图像输入装置的定时发生器
    • US06873365B1
    • 2005-03-29
    • US09488712
    • 2000-01-21
    • Gen Sasaki
    • Gen Sasaki
    • H04N5/335H04N5/341H04N5/372H04N5/376H04N5/378H04N3/14
    • H04N5/3765
    • Any complicates pulse waveform required depending on the type of CCD, can be generated with a simple circuit configuration. Specifically, any complicated pulse is obtainable by inputting an unlimited number of toggle timings, with no limitation imposed on the number of toggle timings inputted. This is achieved only by inputting different toggle timings sequentially from the exterior, because the toggle timing of toggle circuits (14 to 16) is regulated by shift registers (12a, 12b) of a loop structure and comparators (11a, 11b) connected to the rearmost stage of their respective shift registers (12a, 12b).
    • 根据CCD的类型需要复杂的脉冲波形,可以用简单的电路配置生成。 具体而言,通过输入无限数量的切换定时可以获得任何复杂的脉冲,对输入的切换定时的数量没有限制。 这仅通过从外部顺序地输入不同的切换定时来实现,因为切换电路(14至16)的触发定时由环路结构的移位寄存器(12a,12b)调节,并且比较器(11a,11b)被连接到 它们各自的移位寄存器(12a,12b)的最后级。
    • 73. 发明申请
    • AF evaluation value calculating device
    • AF评估值计算装置
    • US20030160885A1
    • 2003-08-28
    • US10364378
    • 2003-02-12
    • MEGA CHIPS CORPORATION
    • Gen Sasaki
    • H04N005/232
    • H04N5/23212
    • The present invention provides an AF evaluation value calculating device in which speed of AF control does not deteriorate even when a number of AF areas are set. The AF evaluation value calculating device for calculating an AF evaluation value used for AF (auto-focus) control of a digital camera, includes: at least one AF evaluation value calculating unit 13 for calculating an AF evaluation value in each of a plurality of AF areas which are set in an image area of image data supplied; and a data transmitter (17a and ch0) for transmitting the AF evaluation value calculated by the AF evaluation value calculator 13 into a predetermined memory by DMA (Direct Memory Access).
    • 本发明提供一种AF评价值计算装置,其中AF控制的速度即使设置了AF区域的数量也不会劣化。 用于计算用于数字照相机的AF(自动对焦)控制的AF评估值的AF评估值计算装置包括:至少一个AF评估值计算单元13,用于计算多个AF中的每一个中的AF评估值 设置在提供的图像数据的图像区域中的区域; 以及用于通过DMA(直接存储器访问)将由AF评估值计算器13计算出的AF评估值发送到预定存储器的数据发送器(17a和ch0)。
    • 74. 发明申请
    • Hybrid pixel interpolating apparatus and hybrid pixel interpolating method
    • 混合像素内插装置和混合像素插值方法
    • US20030156205A1
    • 2003-08-21
    • US10364381
    • 2003-02-12
    • MEGA CHIPS CORPORATION
    • Gen SasakiTakashi Matsutani
    • H04N005/225
    • H04N9/045H04N2209/046
    • A hybrid pixel interpolating apparatus (1) has a function of converting raw image data (D1) having one color component for each pixel into pixel interpolated data in which each pixel has a plurality of color components. This hybrid pixel interpolating apparatus (1) includes: a register (2) for holding pixel data in a predetermined pixel region in the raw image data (D1) to be inputted; a plurality of pixel interpolating parts (41, 42, . . . , 4nnull1, 4n (n: integer not less than 2)) for sampling pixel data (D2) inputted from the register (2) to execute a pixel interpolating process; and a mixing coefficient calculating part (3) for calculating mixing coefficients (null1, null2, . . . , nulln), and also includes a mixing part (5) for fetching and mixing interpolated data (DI1, DI2, . . . , DIn) outputted from the respective pixel interpolating parts (41 to 4n) to output the resultant. In the mixing coefficient calculating part (3), the mixing coefficients (null1 to nulln) are calculated for each of the pixel interpolating parts (41 to 4n) so as to suppress the deterioration in image quality at minimum.
    • 混合像素内插装置(1)具有将每个像素具有一个颜色分量的原始图像数据(D1)转换为每个像素具有多个颜色分量的像素内插数据的功能。 该混合像素内插装置(1)包括:用于保存要输入的原始图像数据(D1)中的预定像素区域中的像素数据的寄存器(2) 用于从寄存器(2)输入的用于采样像素数据(D2)的多个像素内插部分(41,42,...,4n-1,4n(n:整数,不小于2)),以执行像素内插处理 ; 和混合系数计算部分(3),用于计算混合系数(alpha1,alpha2,...,alphan),并且还包括用于取出和混合内插数据(DI1,DI2,...,DIn )从各像素内插部(41〜4n)输出,输出。 在混合系数计算部分(3)中,为每个像素内插部分(41至4n)计算混合系数(α1至α1),以便最小化图像质量的劣化。
    • 75. 发明申请
    • AF control apparatus and AF control method
    • AF控制装置和AF控制方法
    • US20030043290A1
    • 2003-03-06
    • US10228918
    • 2002-08-28
    • MEGA CHIPS CORPORATION
    • Gen Sasaki
    • H04N005/232
    • H04N5/23212H04N5/2256
    • nullPurposenull To reduce a focusing time. nullSolutionnull A CPU performs a control for photographing a main subject in absence of auxiliary light, whereby an image signal PSA is outputted from an analogue signal processing section. Next, the CPU performs a control for photographing the main subject in presence of the auxiliary light, whereby an image signal PSB is outputted from the analogue signal processing section. An AF area extracting section extracts image signals PSa, PSb in an AF area from the image signals PSA, PSB. A differential signal calculating section outputs a differential signal null1 between the image signal PSa, PSb, and a distance measuring section compares magnitudes of that differential signal null1 and a reference value in a distance data base to calculate distance information D1 based on the comparison result. An AF control section executes AF control of mountain climbing system with the use of the distance information D1.
    • [目的]减少聚焦时间。 [解决方案] CPU在没有辅助光的情况下执行拍摄主要被摄体的控制,从而从模拟信号处理部分输出图像信号PSA。 接下来,CPU在辅助光的存在下执行拍摄主被摄体的控制,由此从模拟信号处理部输出图像信号PSB。 AF区域提取部分从图像信号PSA,PSB中提取AF区域中的图像信号PSa,PSb。 差分信号计算部分在图像信号PSa,PSb和距离测量部分之间输出差分信号DELTA1,其将距离数据库中的差分信号DELTA1的大小与参考值进行比较,以基于比较结果计算距离信息D1。 AF控制部使用距离信息D1执行登山系统的AF控制。
    • 78. 发明授权
    • Testing integrated circuits by consolidating a plurality of digital
signals as a multilevel signal
    • 通过将多个数字信号合并为多电平信号来测试集成电路
    • US5541505A
    • 1996-07-30
    • US121102
    • 1993-09-14
    • Hideo Azumai
    • Hideo Azumai
    • G01R31/3185G06F11/22G01R31/00
    • G01R31/318516G06F11/2273
    • An apparatus for testing a semiconductor integrated circuit includes a plurality of probe lines and a plurality of sense lines which intersect each other to thereby define a plurality of intersections thereby as electrically isolated from each other. An electronic switch device is provided for each intersection for producing a multilevel signal, on an associated sense line, having one of a predetermined number of voltage levels corresponding to various combinations definable by a predetermined number of binary numbers supplied to test points from logic elements to be tested.In a four test point embodiment, four test points are arranged such that each test point is located in a corresponding one of four quadrants defined by a pair of probe and sense lines intersecting each other. Preferably, the integrated circuit is in the form of a gate array.
    • 一种用于测试半导体集成电路的装置包括多个探针线和多条彼此相交的感测线,从而限定多个交叉点,从而彼此电隔离。 提供电子开关装置,用于在相关的感测线上产生多电平信号的多路交叉信号,该电平开关装置具有预定数量的电压电平中的一个电压电平,该电压电平对应于由逻辑元件提供给测试点的预定数量的二进制数可定义的各种组合 被测试。 在四个测试点实施例中,布置四个测试点,使得每个测试点位于由彼此相交的一对探针和感测线限定的四个象限中的对应的一个中。 优选地,集成电路是门阵列的形式。
    • 80. 发明申请
    • ENCODER AND IMAGE CONVERSION APPARATUS
    • 编码器和图像转换装置
    • US20110150350A1
    • 2011-06-23
    • US12967790
    • 2010-12-14
    • Makoto SAITOHYuki Haraguchi
    • Makoto SAITOHYuki Haraguchi
    • G06K9/36
    • H04N19/40H04N19/107H04N19/109H04N19/11H04N19/146H04N19/176H04N19/61
    • It is an object to provide a method of calculating a coding cost by which the magnitude relation of the amounts of generated codes can be estimated with high accuracy. A cost calculation part generates a differential block between a coding object block and a prediction block. Hadamard Transform is performed on the differential block to generate a frequency component block. A conversion factor matrix is generated with the information of a quantization matrix reflected thereon. A coding cost is calculated by multiplying components in the frequency component block individually by components in the conversion factor matrix and adding up the multiplied components. A mode selection part selects an optimum predictive coding method on the basis of the coding cost.
    • 本发明的目的是提供一种计算编码成本的方法,通过该方法可以高精度地估计生成的代码量的大小关系。 成本计算部分在编码对象块和预测块之间生成差分块。 在差分块上执行Hadamard变换以产生频率分量块。 利用其上反映的量化矩阵的信息生成转换因子矩阵。 通过将频率分量块中的分量分别乘以转换因子矩阵中的分量并相加乘法分量来计算编码成本。 模式选择部分基于编码成本来选择最佳预测编码方法。