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    • 17. 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。
    • 20. 发明申请
    • ELECTRONIC APPARATUS, VIDEO PROCESSING METHOD, AND PROGRAM
    • 电子设备,视频处理方法和程序
    • US20110286720A1
    • 2011-11-24
    • US13102207
    • 2011-05-06
    • Michimasa ObanaHiroshige OkamotoMasashi Ota
    • Michimasa ObanaHiroshige OkamotoMasashi Ota
    • H04N5/783
    • H04N5/783H04N5/781H04N5/85H04N21/4325H04N21/44
    • An electronic apparatus includes: a storage to store video data including a plurality of frames and feature frame information related to a feature frame including a predetermined video feature among the plurality of frames; a reproduction unit to reproduce the stored video data; an operation reception unit to receive a search operation of a user instructing to perform fast-forward or rewind of the reproduced video data at an arbitrary speed; and a controller to extract, when the search operation is received, a predetermined number of candidate frames from a frame at a time point the search operation is received, sort a plurality of frames between which the feature frame is not interposed from the candidate frames, extract a partial image from different parts of the plurality of sorted frames, generate a coupling frame by coupling the partial images in time series, and control to reproduce the coupling frame.
    • 电子装置包括:存储器,用于存储包括多个帧的视频数据和与包括多个帧中的预定视频特征的特征帧相关的特征帧信息; 再现单元,用于再现所存储的视频数据; 操作接收单元,用于接收指令以任意速度执行再现的视频数据的快进或快退的用户的搜索操作; 以及控制器,当接收到所述搜索操作时,从接收到所述搜索操作的时间点的帧中提取预定数量的候选帧,对所述候选帧之间没有插入所述特征帧的多个帧进行排序, 从多个分类帧的不同部分提取部分图像,通过以时间序列耦合部分图像来生成耦合帧,并且控制再现耦合帧。