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    • 4. 发明授权
    • Information processing apparatus and method, computer program, and information processing system
    • 信息处理装置和方法,计算机程序和信息处理系统
    • US08208074B2
    • 2012-06-26
    • US12559552
    • 2009-09-15
    • Chikara MizunoJun TakeshitaHiroaki ItouYoichi HirotaHidetoshi Yamaguchi
    • Chikara MizunoJun TakeshitaHiroaki ItouYoichi HirotaHidetoshi Yamaguchi
    • H04N5/14
    • H04N5/14H04N5/205H04N5/782
    • An information processing apparatus includes: video-signal transmitting and receiving means for transmitting/receiving a video signal to/from one or more external apparatuses; image-quality-improvement processing means for applying image quality improvement processing based on an image quality improvement processing function of the information processing apparatus to the video signal; holding means for holding performance of the image quality improvement processing function concerning the image-quality-improvement processing means; CEC transmitting means for transmitting the performance held by the holding means to the external apparatuses; receiving means for receiving performances of image quality improvement processing functions of the one or more external apparatuses; and control means for comparing the performance of the image quality improvement processing function and the performances of the image quality improvement processing functions of the one or more external apparatuses received by the receiving means and controlling, based on a comparison result, execution of the image quality improvement processing.
    • 信息处理设备包括:用于向/从一个或多个外部设备发送/接收视频信号的视频信号发送和接收装置; 图像质量改善处理装置,用于将基于信息处理装置的图像质量改善处理功能的图像质量改进处理应用于视频信号; 保持装置,用于保持关于图像质量改善处理装置的图像质量改善处理功能的执行; CEC发送装置,用于将保持装置保持的性能发送到外部装置; 接收装置,用于接收所述一个或多个外部装置的图像质量改善处理功能的性能; 以及控制装置,用于比较图像质量改进处理功能的性能和由接收装置接收的一个或多个外部设备的图像质量改善处理功能的性能,并且基于比较结果控制图像质量的执行 改进处理。
    • 8. 发明申请
    • Image processing apparatus, image processing method, and computer program
    • 图像处理装置,图像处理方法和计算机程序
    • US20100104211A1
    • 2010-04-29
    • US12587715
    • 2009-10-13
    • Yoichi HirotaKiyoshi IkedaMasashi OtaToshimichi HamadaHiromasa NaganumaMakoto Tsukamoto
    • Yoichi HirotaKiyoshi IkedaMasashi OtaToshimichi HamadaHiromasa NaganumaMakoto Tsukamoto
    • G06K9/40
    • G06T5/008H04N5/57H04N7/0102H04N21/43635H04N21/44
    • An image processing apparatus includes: ΔΣ modulation means for applying ΔΣ modulation to an image; analog conversion means for converting a signal of the image, whose gradation is converted by the ΔΣ modulation means, into an analog signal; digital output means for outputting a digital signal of the image after gradation conversion; and analog output means for outputting an analog signal of the image after gradation conversion. The ΔΣ modulation means includes arithmetic means for filtering a quantization error; adding means for adding a pixel value of the image and output of the arithmetic means; quantization means for quantizing output of the adding means and outputting a quantized value; and subtracting means for calculating a difference between the output of the adding means and the quantized value. A filter coefficient for the filtering corresponding to the analog output is determined according to a frequency characteristic of the analog conversion means.
    • 图像处理装置包括:&Dgr& 调制方式适用于&Dgr& 调制到图像; 模拟转换装置,用于转换图像的信号,其灰度由&Dgr& Sgr转换; 调制方式,转换为模拟信号; 数字输出装置,用于在灰度转换之后输出图像的数字信号; 以及用于在灰度转换之后输出图像的模拟信号的模拟输出装置。 &Dgr&& 调制装置包括用于对量化误差进行滤波的运算装置; 添加用于添加图像的像素值和算术装置的输出的装置; 量化装置,用于量化加法装置的输出并输出量化值; 以及减法装置,用于计算加法装置的输出和量化值之间的差值。 根据模拟转换装置的频率特性确定用于与模拟输出对应的滤波的滤波器系数。
    • 9. 发明申请
    • Optical pulse evaluation device and in-service optical pulse evaluation device
    • 光脉冲评估装置及在线光脉冲评估装置
    • US20050219543A1
    • 2005-10-06
    • US11094168
    • 2005-03-31
    • Noboru UeharaYuichi TakushimaYasuyuki OzekiYoichi Hirota
    • Noboru UeharaYuichi TakushimaYasuyuki OzekiYoichi Hirota
    • G01J3/26G01B9/02G01J9/00G01J11/00G01M11/00H04B10/07H04B10/079H04B10/508H04B10/524H04B10/556H04B10/58
    • G01J11/00
    • To obtain an optical pulse evaluation device and an in-service optical pulse evaluation device, which are capable of characteristics evaluation of an optical pulse itself or a sample launched therein, in a relatively high bit-rate region. Optical pulse 42 output repeatedly from an optical pulse light source 43 at a frequency fREP passes through sample 93 n sample stage 91 to be scanned by tunable wavelength optical band pass filter 47. A detection result by photodiode 51 is input in phase detection circuit 45 accompanying with the reference frequency fREP and the result is operated by operation unit 58C of personal computer 52 to know a spectral phase and a spectral intensity of the optical pulse passed through sample 93. Correcting this by applying the operation result in the state, where sample 93 has been removed enables to evaluate characteristics such as deterioration of optical pulse 42 by using sample 93. It is also possible to evaluate a waveform of optical pulse 42 as a light source. The present invention can evaluate the optical pulse in in-service.
    • 为了获得在相对高的比特率区域中能够对光脉冲本身或其中发射的样本进行特性评估的光脉冲评估装置和在用光脉冲评估装置。 从光脉冲光源43以频率fREP反复输出的光脉冲42通过样本93n样本台91,由可调波长光带通滤波器47进行扫描。光电二极管51的检测结果输入到相位检测电路45中 参考频率fREP,并且结果由个人计算机52的操作单元58C操作,以知道通过样本93的光脉冲的光谱相位和光谱强度。通过将运算结果应用于状态下进行校正,其中样本 93已经被去除使得能够通过使用样本93来评估诸如光脉冲42的劣化的特性。还可以评估作为光源的光脉冲42的波形。 本发明可以评估在使用中的光脉冲。
    • 10. 发明授权
    • Signal processing device, signal processing method, and program
    • 信号处理装置,信号处理方法和程序
    • US08472742B2
    • 2013-06-25
    • US12930956
    • 2011-01-20
    • Yoichi Hirota
    • Yoichi Hirota
    • G06K9/40G06T5/00
    • G06T5/001G06T5/009H04N13/122
    • A signal processing device configured to produce a first output video signal and a second output video signal as video signals for right and left eyes in a stereoscopic video, the first and second output video signals each having a predetermined number of output gradation steps, from a first input video signal and a second input video signal, the first and second input video signals each having a predetermined number of input gradation steps. A predetermined gradation value difference is produced between the gradation values of the first output video signal and the gradation values of the second output video signal to express a higher number of gradation steps than the number of output gradation steps in the stereoscopic video.
    • 一种信号处理装置,被配置为产生第一输出视频信号和第二输出视频信号,作为立体视频中的左眼和左眼的视频信号,所述第一和第二输出视频信号各自具有预定数量的输出灰度级, 第一输入视频信号和第二输入视频信号,第一和第二输入视频信号各自具有预定数量的输入灰度级。 在第一输出视频信号的灰度值和第二输出视频信号的灰度值之间产生预定的灰度值差,以表示比立体视频中的输出灰度级数的数量更多的灰度级数。