公开(公告)号：US08135060B2

公开(公告)日：2012-03-13

申请号：US11947087

申请日：2007-11-29

申请人： Tatsuro Juri ,  Hiroshi Arakawa ,  Katsuo Saigo ,  Hideyuki Ohgose ,  Koji Arimura ,  Kei Tasaka ,  Yuki Maruyama

发明人： Tatsuro Juri ,  Hiroshi Arakawa ,  Katsuo Saigo ,  Hideyuki Ohgose ,  Koji Arimura ,  Kei Tasaka ,  Yuki Maruyama

IPC分类号： H04N7/12

CPC分类号： H04N19/43 ,  H04N19/107 ,  H04N19/124 ,  H04N19/152 ,  H04N19/154 ,  H04N19/172 ,  H04N19/423 ,  H04N19/61

摘要： A picture coding apparatus, optimizing a data amount of coded picture data without entailing an increase in circuit size and/or power consumption, includes a picture input unit obtaining a moving picture signal Vin. Further, the picture coding apparatus includes a buffer, includes a lead detecting unit detecting a lead portion from the moving picture represented by the moving picture signal Vin, includes a coding unit coding the moving picture signal Vin in the lead portion detected by the lead detecting unit, according to a coding condition for temporary coding, and includes a coding condition generating unit generating a coding condition for actual coding, based on the result of the coding by the coding unit and the coding condition for temporary coding. Additionally, coding unit codes the moving picture signal Vin representing the moving picture including the aforementioned lead portion, according to the coding condition for actual coding.

摘要翻译： 图像编码装置，优化编码图像数据的数据量而不增加电路尺寸和/或功率消耗，包括获得运动图像信号Vin的图像输入单元。 此外，图像编码装置包括缓冲器，包括从由运动图像信号Vin表示的运动图像检测引导部分的引导检测单元，包括对由引导检测检测到的引导部分中的运动图像信号Vin进行编码的编码单元 基于编码单元的编码结果和临时编码的编码条件，生成用于实际编码的编码条件的编码条件生成单元。 此外，根据实际编码的编码条件，编码单元对表示包括前述引导部分的运动图像的运动图像信号Vin进行编码。

公开(公告)号：US08102911B2

公开(公告)日：2012-01-24

申请号：US11806944

申请日：2007-06-05

申请人： Hiroshi Arakawa ,  Tatsuro Juri

发明人： Hiroshi Arakawa ,  Tatsuro Juri

IPC分类号： H04N7/12

CPC分类号： H04N19/124 ,  H04N19/103 ,  H04N19/109 ,  H04N19/115 ,  H04N19/15 ,  H04N19/176 ,  H04N19/61

摘要： A picture coding device includes a motion prediction unit, an intra picture prediction unit, and an input selection unit. The input selection unit selects a smaller one of a motion total obtained by adding a motion residual and a value into which a motion vector is coded and an intra picture total obtained by adding an intra picture residual and a value into which a prediction mode is coded. The device further includes an I_PCM judgment unit comparing a cost with a first threshold value. Additionally, the device includes an output selection unit selecting coded data obtained by arithmetic coding as data to be outputted to the outside if the cost is equal to or less than the first threshold value and selecting I_PCM data as the data to be outputted to the outside if the cost is larger than the first threshold value.

摘要翻译： 图像编码装置包括运动预测单元，帧内图像预测单元和输入选择单元。 输入选择单元选择通过将运动残差和运动矢量编码的值相加而获得的运动总数和通过将帧内图像残差相加而得到的帧内图像总数和预测模式被编码的值中的较小的一个 。 该装置还包括将成本与第一阈值进行比较的I_PCM判断单元。 此外，该装置包括输出选择单元，如果成本等于或小于第一阈值，则将通过算术编码获得的编码数据选择为输出到外部的数据，并且选择I_PCM数据作为要输出到外部的数据 如果成本大于第一阈值。

公开(公告)号：US20080317377A1

公开(公告)日：2008-12-25

申请号：US12142470

申请日：2008-06-19

申请人： Katsuo SAIGO ,  Tatsuro Juri ,  Hideyuki Ohgose ,  Koji Arimura ,  Hiroshi Arakawa ,  Kei Tasaka ,  Yuki Maruyama

发明人： Katsuo SAIGO ,  Tatsuro Juri ,  Hideyuki Ohgose ,  Koji Arimura ,  Hiroshi Arakawa ,  Kei Tasaka ,  Yuki Maruyama

IPC分类号： G06K9/00

CPC分类号： H04N21/42202 ,  H04N9/045 ,  H04N19/117 ,  H04N19/126 ,  H04N19/136 ,  H04N19/186 ,  H04N19/61 ,  H04N19/70 ,  H04N19/86 ,  H04N21/4223

摘要： The image coding apparatus according to the present invention is an image coding apparatus, including an imaging unit, a chroma quantization width adjustment unit configured to determine a chroma quantization width using a first method when the amount of the incident light on the imaging unit is larger than the predetermined amount, and to adjust the chroma quantization width such that the chroma quantization width is larger than a quantization width determined using the first method when the light amount judging unit judges that the amount of the incident light is smaller than the predetermined amount, and a luma quantization width adjustment unit configured to determine a luma quantization width using a second method without being dependent on the amount of the incident light.

摘要翻译： 根据本发明的图像编码装置是一种图像编码装置，包括：成像单元，色度量化宽度调整单元，被配置为当成像单元上的入射光量较大时，使用第一种方法来确定色度量化宽度 并且当光量判断单元判断入射光的量小于预定量时，调整色度量化宽度，使得色度量化宽度大于使用第一种方法确定的量化宽度， 以及亮度量化宽度调整单元，被配置为使用第二种方法来确定亮度量化宽度，而不依赖于入射光的量。

公开(公告)号：US20080151996A1

公开(公告)日：2008-06-26

申请号：US11954483

申请日：2007-12-12

申请人： Koji ARIMURA ,  Tatsuro Juri ,  Hideyuki Ohgose ,  Katsuo Saigo ,  Hiroshi Arakawa ,  Kei Tasaka ,  Yuki Maruyama

发明人： Koji ARIMURA ,  Tatsuro Juri ,  Hideyuki Ohgose ,  Katsuo Saigo ,  Hiroshi Arakawa ,  Kei Tasaka ,  Yuki Maruyama

IPC分类号： H04N7/40

CPC分类号： H04N19/112 ,  H04N19/137 ,  H04N19/15 ,  H04N19/159 ,  H04N19/16 ,  H04N19/172 ,  H04N19/176 ,  H04N19/40 ,  H04N19/61

摘要： The moving picture coding apparatus according to the present invention includes: a decoding unit 10 which decodes an MPEG2 stream; a coding parameter extracting unit 11 which extracts a coding parameter of MPEG2 from the MPEG stream; a re-coding parameter determining unit 12 which judges, based on the coding parameter of MPEG2 extracted by the coding parameter extracting unit 11, the degree of correlation between image data coded in MPEG2 and its reference picture and determines a coding parameter of H.264 based on the result of the judgment; and a coding unit 13 which codes, in H.264, the image data decoded by the decoding unit 10, using the coding parameter of H.264 determined by the re-coding parameter determining unit 12.

摘要翻译： 根据本发明的运动图像编码装置包括：解码单元10，其解码MPEG2流; 编码参数提取单元11，其从MPEG流中提取MPEG2的编码参数; 重新编码参数确定单元12，其基于由编码参数提取单元11提取的MPEG2的编码参数，判断MPEG2编码的图像数据与其参考图像之间的相关度，并确定H.264的编码参数 根据判决结果; 以及编码单元13，其在H.264中使用由重新编码参数确定单元12确定的H.264的编码参数来编码由解码单元10解码的图像数据。

公开(公告)号：US6031959A

公开(公告)日：2000-02-29

申请号：US766644

申请日：1996-12-13

申请人： Shinji Hamai ,  Masazumi Yamada ,  Tatsuro Juri ,  Masakazu Nishino ,  Shiro Kato ,  Akira Iketani ,  Chiyoko Matsumi

发明人： Shinji Hamai ,  Masazumi Yamada ,  Tatsuro Juri ,  Masakazu Nishino ,  Shiro Kato ,  Akira Iketani ,  Chiyoko Matsumi

IPC分类号： H04N5/7826 ,  H04N5/783 ,  H04N5/926 ,  H04N5/945 ,  H04N9/804 ,  H04N9/82 ,  H04N9/888 ,  H04N5/76

CPC分类号： H04N5/783 ,  H04N5/9264 ,  H04N5/945 ,  H04N5/78263 ,  H04N9/8042 ,  H04N9/8227 ,  H04N9/888

摘要： The video signal input is converted to high-speed reproduction data by a high-speed reproduction data encoder 1. The video signal input is converted to high-speed reproduction data by a formatter 2, which formats the high-speed reproduction data so that the same data is recorded to n tracks. After the recorded data is input to an error correction encoder 3, it is decoded by a decoder 4 and recorded by a recording head 5 to the magnetic tape 6. During reproduction, the recorded data is reproduced by reproduction head 7 from the magnetic tape 6, and decoded by decoder 8. The decoded data is then error corrected by an error correction decoder 9, and then input to a deformatter 10. The deformatter 10 separates the normal reproduction data from the high-speed reproduction data, and separately outputs both data types. During normal reproduction, the normal reproduction data is output by a switch 13; the high-speed reproduction data is decoded to video data by a high-speed reproduction data decoder during high speed reproduction, and output.

摘要翻译： 视频信号输入通过高速再现数据编码器1转换为高速再现数据。格式化器2将视频信号输入转换成高速再现数据，格式化器将格式化高速再现数据，使得 相同的数据被记录到n个轨道。 在将记录数据输入到纠错编码器3之后，由解码器4解码并由记录头5记录到磁带6.在再现期间，记录数据由再生磁头7从磁带6再现 并由解码器8解码。解码数据然后由纠错解码器9进行纠错，然后输入到去格子化器10.去格式化器10将正常再现数据与高速再现数据分开，并且分别输出两个数据 类型。 在正常再现期间，正常再现数据由开关13输出; 在高速再现期间，高速再现数据被高速再现数据解码器解码为视频数据并被输出。

公开(公告)号：US5999693A

公开(公告)日：1999-12-07

申请号：US904460

申请日：1997-08-01

申请人： Tatsuro Juri ,  Makoto Gotou ,  Susumu Yamaguchi

发明人： Tatsuro Juri ,  Makoto Gotou ,  Susumu Yamaguchi

IPC分类号： H04N5/92 ,  H04N5/926 ,  H04N7/54 ,  H04N5/76

CPC分类号： H04N7/54 ,  H04N5/9206 ,  H04N5/926

摘要： A video data is accompanied or multiplexed with one or more flags indicating a relation between fields or frames of video data for transmission or recording. An interlace flag determines whether the video data is interlaced or not. A still image flag determines whether the video data carries a motion image, a field still image, or a frame still image. A frame change flag determines whether or not a given frame of the still image is identical to its previous frame. At least one of the three different flags is multiplexed with its relevant video data.

摘要翻译： 伴随或复用视频数据的一个或多个标志指示用于传输或记录的视频数据的字段或帧之间的关系。 隔行标志确定视频数据是否是隔行扫描。 静止图像标志确定视频数据是否携带运动图像，场静止图像或帧静止图像。 帧改变标志确定静止图像的给定帧是否与其先前帧相同。 三个不同标志中的至少一个与其相关视频数据进行复用。

公开(公告)号：US5978545A

公开(公告)日：1999-11-02

申请号：US946904

申请日：1997-10-08

申请人： Shiro Kato ,  Masakazu Nishino ,  Tatsuro Juri ,  Yuji Fujiwara ,  Seiichi Takeuchi

发明人： Shiro Kato ,  Masakazu Nishino ,  Tatsuro Juri ,  Yuji Fujiwara ,  Seiichi Takeuchi

IPC分类号： H04N5/7826 ,  H04N9/79 ,  H04N9/797 ,  H04N9/804 ,  H04N9/877 ,  H04N5/917 ,  H04N7/01 ,  H04N7/26

CPC分类号： H04N5/782 ,  H04N9/7921 ,  H04N9/7925 ,  H04N9/7973 ,  H04N9/8042 ,  H04N5/78266 ,  H04N5/91 ,  H04N9/797 ,  H04N9/877

摘要： A video signal recording apparatus including a switching device for receiving a digital progressive scan TV signal having a frame cycle which is 1/2 of the frame cycle of an interlaced scan TV signal and switching the progressive scan TV signal frame by frame alternately; a coding device for performing high-rate coding of data corresponding to one frame of the progressive scan TV signal to the same code amount as obtained by high-rate coding of data corresponding to one frame including two successive fields of an interlaced scan standard-definition TV signal; and a recording device for recording the data processed with the high-rate coding in the same number of tracks as the data corresponding to one frame of the interlaced scan standard-definition TV signal.

摘要翻译： 一种视频信号记录装置，包括：切换装置，用于接收具有+ E的帧周期的数字逐行扫描TV信号，并且隔行扫描TV信号的帧周期的1/2 + EE，并切换逐行扫描TV信号帧 交替地; 用于对与逐行扫描TV信号的一帧相对应的数据进行高速率编码的编码装置与通过对包括隔行扫描标准清晰度的两个连续字段的一帧相对应的数据的高速率编码获得的相同的代码量进行编码 电视信号; 以及记录装置，用于以与对应于隔行扫描标准清晰度TV信号的一帧的数据相同数量的轨道记录用高速率编码处理的数据。

公开(公告)号：US5787221A

公开(公告)日：1998-07-28

申请号：US850263

申请日：1997-04-29

申请人： Chiyoko Matsumi ,  Tatsuro Juri ,  Akira Iketani ,  Makoto Goto ,  Susumu Yamaguchi ,  Hideki Otaka ,  Shigeru Awamoto ,  Masakazu Nishino ,  Takao Kashiro ,  Tadashi Ono

发明人： Chiyoko Matsumi ,  Tatsuro Juri ,  Akira Iketani ,  Makoto Goto ,  Susumu Yamaguchi ,  Hideki Otaka ,  Shigeru Awamoto ,  Masakazu Nishino ,  Takao Kashiro ,  Tadashi Ono

IPC分类号： H04N5/7826 ,  H04N5/783 ,  H04N5/917 ,  H04N9/79 ,  H04N9/804 ,  H04N9/806 ,  H04N9/82 ,  H04N9/825 ,  H04N5/782 ,  H04N5/92

CPC分类号： H04N9/8047 ,  H04N5/78266 ,  H04N9/7921 ,  H04N9/8063 ,  H04N9/8205

摘要： The digital signal recording apparatus of the invention for recording a video signal on a recording medium, includes: a mode setting section for setting a recording mode, the recording mode being one of a standard recording mode and a long-time recording mode having a longer recording time than that of the standard recording mode; a sampling section for sampling the video signal at a sampling number corresponding to the recording mode set by the mode setting section, the sampling number when the selected recording mode is the long-time recording mode being smaller than the sampling number when the selected recording mode is the standard recording mode; a coding section for coding the video signal sampled by the sampling section at a compression rate corresponding to the recording mode set by the mode setting section, the compression rate when the selected recording mode is the long-time recording mode being higher than the compression rate when the selected recording mode is the standard recording mode; and a recording section for recording the video signal coded by the coding section on a recording medium.

摘要翻译： 本发明的用于在记录介质上记录视频信号的数字信号记录装置包括：模式设置部分，用于设置记录模式，记录模式是标准记录模式和长时间记录模式之一 录制时间高于标准录音模式; 采样部分，用于以对应于由模式设置部分设置的记录模式的采样数采样视频信号，当所选择的记录模式是长时间记录模式时，当所选择的记录模式 是标准录音模式; 编码部分，用于以与由模式设置部分设置的记录模式对应的压缩率对采样部分采样的视频信号进行编码，当所选择的记录模式是长时间记录模式时的压缩率高于压缩率 当所选择的记录模式是标准记录模式时; 以及记录部分，用于将由编码部分编码的视频信号记录在记录介质上。

公开(公告)号：US5617263A

公开(公告)日：1997-04-01

申请号：US548602

申请日：1995-10-26

申请人： Tetsuya Mizushima ,  Tatsuro Juri ,  Chiyoko Matsumi ,  Kazuo Kawakami

发明人： Tetsuya Mizushima ,  Tatsuro Juri ,  Chiyoko Matsumi ,  Kazuo Kawakami

IPC分类号： G11B20/10 ,  G11B15/18 ,  G11B20/12 ,  G11B20/18 ,  G11B27/032 ,  G11B27/036 ,  G11B27/30 ,  G11B5/09 ,  H04N5/76

CPC分类号： G11B15/1875 ,  G11B20/1803 ,  G11B27/036 ,  G11B27/3027 ,  G11B27/3063 ,  G11B27/032

摘要： An information data composed of a predetermined quantity converted from input data and an information data parity for use in detecting or correcting an error in the information data are formulated. An ID comprising information including position information indicative of a position of the information data relative to a recording medium, and an ID parity for use in detecting or correcting an error in the ID are formulated. Then, a sync pattern is formulated, followed by formulation of a sync block comprised of the sync pattern, the ID, the ID parity, the information data and the information data parity. A plurality of the sync blocks are connected together to provide a recording area. This recording area forms a track together with other recording areas. Three or more consecutive tracks forms a minimum editing unit with which recording or reproduction is carried out. Each minimum editing unit has a plurality of the sync blocks having the same information data, and the plural tracks forming each minimum editing unit includes at least one track other than those positioned on respective opposite sides of the minimum editing unit.

摘要翻译： 制定由从输入数据转换的预定量和用于检测或纠正信息数据中的错误的信息数据奇偶校验构成的信息数据。 制定包括指示信息数据相对于记录介质的位置的位置信息和用于检测或校正ID中的错误的ID奇偶校验的ID。 然后，制定同步模式，随后制定由同步模式，ID，ID奇偶校验，信息数据和信息数据奇偶校验组成的同步块。 多个同步块被连接在一起以提供记录区域。 该记录区域与其他记录区域一起形成轨道。 三个或更多个连续的轨道形成了进行记录或再现的最小编辑单元。 每个最小编辑单元具有多个具有相同信息数据的同步块，并且形成每个最小编辑单元的多个轨道包括除位于最小编辑单元的相对相对侧之外的至少一个轨道。

公开(公告)号：US5608398A

公开(公告)日：1997-03-04

申请号：US183654

申请日：1994-01-19

申请人： Kinji Hashimoto ,  Masakazu Nishino ,  Tatsuro Juri ,  Takumi Hasebe

发明人： Kinji Hashimoto ,  Masakazu Nishino ,  Tatsuro Juri ,  Takumi Hasebe

IPC分类号： H04N19/50 ,  G06T9/00 ,  H03M7/42 ,  H04N19/42 ,  H04N19/423 ,  H04N19/426 ,  H04N19/46 ,  H04N19/463 ,  H04N19/517 ,  H04N19/52 ,  H04N19/70 ,  H04N19/85 ,  H01M6/00 ,  H04N7/32

CPC分类号： H03M7/42 ,  H04N19/593 ,  H04N19/13 ,  H04N19/60 ,  H04N19/91

摘要： The differential coding apparatus comprises a delay unit for storing an adjacent value, a transmission value conversion unit for assigning a transmission value to a value of difference between the value to be coded and the adjacent value in the ascending order of the absolute value of the difference value, and a variable-length coding device for assigning a code in the order that the code is increasing in code length as the transmission value increases in number. In the range in which positive and negative difference values exist, positive and negative numbers are alternately given to difference values in the order in which the difference value is increasing in distance from a center difference value of 0. In the range in which either positive or negative difference value exists, serial numbers are successively given to difference values in the order in which the difference value is increasing in distance from the difference value of 0. Then codes are assigned in the order of their increasing in code length to the difference values in the order of the given numbers of transmission values.

摘要翻译： 差分编码装置包括用于存储相邻值的延迟单元，发送值转换单元，用于将发送值分配为要被编码的值与相邻值之间的差的值，该差值以差异的绝对值的升序 值，以及可变长度编码装置，用于按照传输值增加的代码在代码长度上增加的顺序分配代码。 在存在正和负差值的范围内，正数和负数交替地以差分值与中心差值0之间的距离增加的顺序给出。在正值或正数的范围内 存在负差值，序列号按差值从差值0开始的顺序依次给出差分值。然后，代码按代码长度增加的顺序分配给差值 给定数量的传输值的顺序。