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    • 2. 发明申请
    • DECODING APPARATUS, DECODING METHOD, PROGRAM AND INTEGRATED CIRCUIT
    • 解码设备,解码方法,程序和集成电路
    • US20110235716A1
    • 2011-09-29
    • US13121041
    • 2010-10-07
    • Takeshi TanakaHiroshi AmanoYoshiteru HayashiTakashi HashimotoSatoshi Kajita
    • Takeshi TanakaHiroshi AmanoYoshiteru HayashiTakashi HashimotoSatoshi Kajita
    • H04N7/26
    • H04N19/433H04N19/44
    • A decoding apparatus (100) includes: a first memory unit (20) storing pixel data of a decoded reference image to be referred to in decoding; a second memory unit (30) having a storage capacity smaller than that of the first memory unit (20) and providing a data reading speed faster than that provided by the first memory unit (20); a search area transfer unit (40) transferring, from the first memory unit (20) to the second memory unit (30), pixel data in a search area that is a part of the reference image and required to calculate a motion vector for the block; a motion vector operating unit (50) calculating the motion vector by repeatedly (i) reading out, from the second memory unit (30), the pixel data and (ii) performing a predetermined operation on the pixel data; and a decoding unit (60) decoding the block using the calculated motion vector.
    • 解码装置(100)包括:第一存储单元,存储解码中要参考的解码参考图像的像素数据; 具有比第一存储单元(20)的存储容量小的存储容量的第二存储器单元(30),并且提供比由第一存储器单元(20)提供的数据读取速度更快的数据读取速度; 搜索区域传送单元,从第一存储单元(20)向第二存储单元(30)传送作为参考图像的一部分的搜索区域中的像素数据,并且需要计算用于 块; 运动矢量运算单元,通过重复地(i)从第二存储器单元(30)读出像素数据和(ii)对像素数据执行预定的操作来计算运动矢量; 以及解码单元(60),使用所计算的运动矢量对该块进行解码。
    • 4. 发明授权
    • Prediction apparatus, encoding apparatus, inverse prediction apparatus, decoding apparatus, and computing apparatus
    • US07099390B2
    • 2006-08-29
    • US10329618
    • 2002-12-27
    • Satoshi Kajita
    • Satoshi Kajita
    • H04N7/12
    • H04N1/41H04N19/593
    • A candidate prediction block storage unit stores candidate prediction pixel data {“a” to “p”} (a four-by-four area) and neighboring pixel data {“A” to “D”}. A neighboring pixel series-generating unit in receipt of the neighboring pixel data {“A” to “D”} from the candidate prediction block storage unit feeds a first neighboring pixel series {“A”, “B”, “C”, and so on} and a second neighboring pixel series {“B”, “C”, “D”, and so on} into first and second lines, respectively. A predictive processing unit in receipt of the candidate prediction pixel data {“a” to “p”} from the candidate prediction block storage unit multiplies the candidate prediction pixel data by two, thereby providing multiplied data. The predictive processing unit subtracts the first neighboring pixel series from the multiplied data, thereby providing subtracted data. The predictive processing unit subtracts the second neighboring pixel series from the subtracted data, thereby providing further subtracted data. The predictive processing unit divides the further subtracted data by two, thereby providing divided data. A predicted block storage unit stores the divided data as predicted pixel data {“a#”, “b#”, and so on}. As a result, steps of storing and generating predictive pixels are eliminated.
    • 5. 发明授权
    • Monitor video accumulation system
    • 监控视频累积系统
    • US08169482B2
    • 2012-05-01
    • US12439873
    • 2007-09-18
    • Satoshi KajitaIkuo Fuchigami
    • Satoshi KajitaIkuo Fuchigami
    • H04N7/18H04N7/12
    • H04N7/181G08B13/19676H04N5/268H04N7/0122H04N19/107H04N19/162H04N19/172H04N19/577H04N19/61
    • A surveillance video accumulation system pertaining to the present invention includes a plurality of surveillance camera units and a video accumulation unit that are connected with each other via a network. Among pieces of video data that have been encoded according to a prediction encoding method and transmitted from all the surveillance camera units, the video accumulation unit accumulates video data transmitted from a selected one of the surveillance camera units. Before the selection, if specified as a surveillance camera unit that is expected to shoot a subject, each of the surveillance camera units encodes video data of the subject based only on intra frame prediction and transmits the encoded video data to the accumulation unit.
    • 本发明的监视视频存储系统包括通过网络彼此连接的多个监视摄像机单元和视频存储单元。 在根据预测编码方法编码并从所有监控摄像机单元发送的视频数据中,视频累积单元累积从所选择的一个监视摄像机单元发送的视频数据。 在选择之前,如果指定为预期拍摄对象的监视摄​​像机单元,则每个监视摄像机单元仅基于帧内预测对主体的视频数据进行编码,并将编码的视频数据发送到累积单元。
    • 7. 发明申请
    • MOVING PICTURE CODING APPARATUS, METHOD, PROGRAM, AND INTEGRATED CIRCUIT THEREOF
    • 移动图像编码设备,方法,程序和集成电路
    • US20100008415A1
    • 2010-01-14
    • US12526589
    • 2008-12-11
    • Satoshi Kajita
    • Satoshi Kajita
    • H04N11/04
    • H04N19/436H04N19/12H04N19/51
    • Divided sequences are multiplexed into an output sequence and an index is changed, which requires a process with major throughput.Accordingly, a transmitting apparatus (3) includes: a dividing unit (5) which divides an input sequence (DV1) into N (N≧2) divided sequences; N coding units which code the N divided sequences divided by the dividing unit (5); and a multiplexing unit (7) which multiplexes, into an output sequence (DS1), the N divided sequences coded by the N coding units, the output sequence (DS1) including an index uniquely specifying a picture out of pictures included in the output sequence (DS1); and an index control unit (610) which sets the index to a divided sequence included in the divided sequences before the divided sequences are multiplexed into the output sequence.
    • 分割序列被复用到输出序列中,并且改变索引,这需要具有主要吞吐量的处理。 因此,发送装置(3)包括:划分单元(5),其将输入序列(DV1)划分为N(N> = 2)个分割序列; N个编码单元,用N个划分的序列划分除以分割单元(5); 以及复用单元(7),将由N个编码单元编码的N个分割序列复用到输出序列(DS1)中,输出序列(DS1)包括唯一地指定包括在输出序列中的图像中的图像的索引 (DS1); 以及索引控制单元(610),其将分割后的序列中包括的分割序列的索引设置为在输出序列中被复用。
    • 10. 发明申请
    • Recording/reproducing device
    • 记录/再现装置
    • US20050254781A1
    • 2005-11-17
    • US11129368
    • 2005-05-16
    • Satoshi KajitaKazuyuki ImagawaEiji Fukumiya
    • Satoshi KajitaKazuyuki ImagawaEiji Fukumiya
    • H04N5/76H04N5/781H04N5/85
    • H04N5/76H04N5/781H04N5/85
    • A judging unit judges an audience in the state of existence or in the state of non-existence and generates non-existence information. Based on the non-existence information generated by the judging unit, a recording/reproducing control unit controls whether to store an image content which is currently inputted into an image recording unit. The recording/reproducing control unit controls whether an image display unit performs simultaneous reproducing of the image content which is stored in the image recording unit, concurrently with the currently-inputted image content, based on the non-existence information of the judging unit. The image content which is failed to be watched is made up with simultaneous reproducing, automatic recording is shortened rationally, and electric power consumption is saved.
    • 判断单位判断存在状态或不存在状态的观众,生成不存在信息。 基于由判断单元生成的不存在信息,记录/再现控制单元控制是否将当前输入的图像内容存储到图像记录单元中。 记录/再现控制单元基于判断单元的不存在信息来控制图像显示单元是否同时再现与当前输入的图像内容同时存储在图像记录单元中的图像内容。 无法观看的图像内容由同时再现构成,合理地缩短了自动记录,节省了电力消耗。