公开(公告)号：US5930453A

公开(公告)日：1999-07-27

申请号：US296928

申请日：1994-08-31

申请人： Tetsuya Shimizu ,  Makoto Shimokoriyama ,  Mitsugu Tanaka ,  Katsumi Karasawa ,  Yoshiki Ishii ,  Yasuyuki Tanaka ,  Hidenori Hoshi

发明人： Tetsuya Shimizu ,  Makoto Shimokoriyama ,  Mitsugu Tanaka ,  Katsumi Karasawa ,  Yoshiki Ishii ,  Yasuyuki Tanaka ,  Hidenori Hoshi

IPC分类号： H04N5/926 ,  H04N5/937 ,  H04N5/91 ,  H04N5/225

CPC分类号： H04N5/937 ,  H04N5/9261

摘要： In transferring image data between a first memory for storing image data in a first sequence and inputting and outputting the image data from and to a first data bus and a second memory for storing image data in a second sequence different from the first sequence and inputting and outputting the image data from and to a second data bus, the permission and the inhibition of the writing of the transferred image data to a transfer destination are controlled and the error detection/correction encoding/decoding is effected during the transfer to facilitate the address management and permit high speed processing of the image data.

摘要翻译： 在用于以第一序列存储图像数据的第一存储器和从第一数据总线输入和输出图像数据的第一存储器之间传送图像数据和用于以与第一序列不同的第二序列存储图像数据的第二存储器， 从第二数据总线输出图像数据，控制将转印图像数据写入转移目的地的许可和禁止，并且在转移期间进行错误检测/校正编码/解码以便于地址管理 并允许图像数据的高速处理。

公开(公告)号：US06718122B1

公开(公告)日：2004-04-06

申请号：US08321597

申请日：1994-10-12

申请人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Tetsuya Shimizu ,  Katsumi Karasawa

发明人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Tetsuya Shimizu ,  Katsumi Karasawa

IPC分类号： H04N591

CPC分类号： H04N9/804 ,  H04N9/79

摘要： An object of the present invention is to provide a digital VTR wherein, without increasing a transmission rate of an image memory and a data bus corrected thereto, a double error correction coding and decoding process can be achieved. In order to achieve the object, an input and output memory 240 for storing an image data according to an input and an output formats, and a recording and reproducing memory 250 for storing the image according to an image format are provided. To the input and output memory 240, via an input and output bus 234, an input and output circuits 232 and 238 is corrected. In data transmission between the input output memory 240 and the recording and reproducing memory 250, a format conversion, and coding and decoding of an external code are performed. To the recording and reproducing memory 250, via recording and reproducing bus 252, inner coding and decoding circuits 254A and 254B are corrected.

摘要翻译： 本发明的目的是提供一种数字VTR，其中，在不增加图像存储器和校正的数据总线的传输速率的情况下，可以实现双纠错编码和解码处理。 为了实现该目的，提供了用于根据输入和输出格式存储图像数据的输入和输出存储器240以及用于根据图像格式存储图像的记录和再现存储器250。 通过输入和输出总线234向输入和输出存储器240输入和输出电路232和238进行校正。 在输入输出存储器240与记录和再现存储器250之间的数据传输中，执行格式转换以及外部代码的编码和解码。 通过记录和再现总线252向记录和再现存储器250校正内部编码和解码电路254A和254B。

公开(公告)号：US4953019A

公开(公告)日：1990-08-28

申请号：US440490

申请日：1989-11-22

申请人： Akihiro Skikakura ,  Yasuyuki Tanaka ,  Makoto Shimokoriyama ,  Yoshiki Ishii ,  Tetsuya Shimizu ,  Shinichi Yamashita ,  Akio Fujii

发明人： Akihiro Skikakura ,  Yasuyuki Tanaka ,  Makoto Shimokoriyama ,  Yoshiki Ishii ,  Tetsuya Shimizu ,  Shinichi Yamashita ,  Akio Fujii

IPC分类号： H04N7/26 ,  H04N7/12

CPC分类号： H04N19/98

摘要： An image signal encoding apparatus for encoding an image signal in which image of one picture plane consisting of a plurality of pixel data are divided into a plurality of blocks each consisting of a predetermined number of pixel data. For each of the blocks, a pair of reference value data regarding the maximum and minimum values of the levels of the pixel data constructing the block are formed. On the basis of the formed reference value data, encoded date is formed by encoding each of the pixel data of the block. Decoded data is formed by decoding the encoded data formed on the basis of the reference value data. By comparing each of the pixel data of the block with the decoded data, errors are detected. The reference value data are corrected in accordance with the result of the detection. Thus, the encoding errors are reduced and it is possible to perform the encoding with less deterioration in picture quality of the image signal.

摘要翻译： 一种用于编码图像信号的图像信号编码装置，其中由多个像素数据组成的一个图像的图像被划分成由预定数量的像素数据组成的多个块。 对于每个块，形成关于构成该块的像素数据的电平的最大值和最小值的一对参考值数据。 基于形成的参考值数据，通过对块的每个像素数据进行编码来形成编码日期。 通过对基于参考值数据形成的编码数据进行解码来形成解码数据。 通过将块的像素数据与解码数据进行比较，检测出错误。 参考值数据根据检测结果进行校正。 因此，编码错误减少，并且可以以较少的图像信号的图像质量劣化来执行编码。

公开(公告)号：US5070402A

公开(公告)日：1991-12-03

申请号：US683499

申请日：1991-04-10

申请人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Tetsuya Shimizu ,  Katsuji Yoshimura ,  Akio Fujii ,  Tomohiko Sasatani

发明人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Tetsuya Shimizu ,  Katsuji Yoshimura ,  Akio Fujii ,  Tomohiko Sasatani

IPC分类号： H04N7/26

CPC分类号： H04N19/98

摘要： An image information transmission apparatus of this invention encodes and transmits image information. An image information signal of one frame consisting of a plurality of pixel data is divided into a plurality of blocks each consisting of a predetermined number of pixel data. At least two reference value data associated with a dynamic range of levels of the pixel data constituting each of the divided blocks, and distribution state data associated with a distribution state thereof are formed. Each pixel data constituting the block is encoded on the basis of the formed reference value data and the formed distribution state data to obtain encoded data. A transmission data series is formed and transmitted using the formed reference value data, the formed distribution state data, and the encoded data as transmission units. Therefore, the image information signal can be highly effectively transmitted with minimum image quality degradation caused by encoding.

摘要翻译： 本发明的图像信息发送装置对图像信息进行编码和发送。 由多个像素数据构成的一帧的图像信息信号被分成多个块，每个块由预定数量的像素数据组成。 形成与构成每个分割块的像素数据的动态动态范围相关联的至少两个参考值数据，以及与其分布状态相关联的分配状态数据。 基于所形成的基准值数据和形成的分布状态数据对构成块的每个像素数据进行编码以获得编码数据。 使用形成的基准值数据，形成的分配状态数据和编码数据作为发送单位来形成和发送发送数据序列。 因此，可以以由编码导致的最小图像质量劣化来高效地传输图像信息信号。

公开(公告)号：US4862292A

公开(公告)日：1989-08-29

申请号：US235002

申请日：1988-08-22

申请人： Masahiko Enari ,  Katsuji Yoshimura ,  Akio Aoki ,  Shinichi Yamashita ,  Makoto Shimokoriyama ,  Motokazu Kashida ,  Tetsuya Shimizu ,  Yoshiki Ishii ,  Akio Fujii

发明人： Masahiko Enari ,  Katsuji Yoshimura ,  Akio Aoki ,  Shinichi Yamashita ,  Makoto Shimokoriyama ,  Motokazu Kashida ,  Tetsuya Shimizu ,  Yoshiki Ishii ,  Akio Fujii

IPC分类号： G11B5/008 ,  G11B20/10 ,  H04N5/7826 ,  H04N5/91 ,  H04N5/92 ,  H04N5/926 ,  H04N9/797 ,  H04N13/00

CPC分类号： H04N13/0055 ,  G11B20/10 ,  G11B5/0086 ,  G11B5/00878 ,  H04N19/597 ,  H04N5/7826 ,  H04N5/91 ,  H04N5/9202 ,  H04N5/926 ,  H04N5/9261 ,  H04N9/7973 ,  H04N13/0003 ,  H04N13/0239 ,  H04N13/0438

摘要： A digital information signal recording apparatus has a first mode in which a digital information signal of one channel is recorded on a recording medium at a given bit rate and a second mode in which digital information signals of n channels (n: an integer which is at least 2) are simultaneously recorded on the recording medium at a bit rate which is 1/n of the given bit rate.

摘要翻译： 数字信息信号记录装置具有第一模式，其中一个通道的数字信息信号以给定的比特率被记录在记录介质上，第二模式中，n个通道的数字信息信号（n： 至少2）以给定比特率的1 / n的比特率同时记录在记录介质上。

公开(公告)号：US6052159A

公开(公告)日：2000-04-18

申请号：US876598

申请日：1997-06-16

申请人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Akio Fujii

发明人： Yoshiki Ishii ,  Makoto Shimokoriyama ,  Akio Fujii

IPC分类号： H04N5/926 ,  H04N5/945 ,  H04N19/895 ,  H04N7/12

CPC分类号： H04N5/9261 ,  H04N19/895 ,  H04N5/945 ,  H04N19/60 ,  H04N19/65

摘要： The present invention provides an image signal reproducing apparatus, in which code errors are concealed by using only pixel data corresponding to parts of the pixels of respective two or more adjacent blocks both of which are adjacent to a subject block to be concealed in the same frame, to conceal the code errors without disturbing the image even if the image is rapidly moving and all of pixels included in the block are not available.

摘要翻译： 本发明提供了一种图像信号再现装置，其中通过仅使用对应于相邻两个或更多个相邻块的像素的部分的像素数据来隐藏代码错误，这两个相邻块的两个相邻块被隐藏在同一帧中 即使图像快速移动并且包含在块中的所有像素都不可用，也可以隐藏代码错误而不干扰图像。

公开(公告)号：US5067010A

公开(公告)日：1991-11-19

申请号：US334196

申请日：1989-04-06

申请人： Yoshiki Ishii ,  Makoto Shimokoriyama

发明人： Yoshiki Ishii ,  Makoto Shimokoriyama

IPC分类号： H04N7/26 ,  H04N11/04

CPC分类号： H04N11/048 ,  H04N19/587

摘要： There is provided a color video signal processing device in which pixels are thinned out for a whole picture plane with respect to each of two kinds of digital color difference signals in accordance with a predetermined role. The encoding is executed on a unit basis of a block consisting of (n.times.m) samples where (n and m are integers no less than 2) which are formed with respect to each of the two kinds of color difference signals whose pixels have been thinned out or a block consisting of (n.times.m) samples formed so as to include both of the two kinds of color difference signals whose pixels had been thinned out. The data compression is executed on a block unit basis.

摘要翻译： 提供了一种彩色视频信号处理装置，其中根据预定的作用，相对于两种数字色差信号中的每一种，整个画面的像素被稀疏。 编码是在由（n×m）个样本组成的块的单位的基础上执行的，其中（n和m是不小于2的整数），其对于像素已经被稀疏化的两种色差信号中的每一个形成 或由（n×m）个样本组成的块，形成为包括其像素已被稀疏的两种色差信号中的两者。 以块为单位执行数据压缩。

公开(公告)号：US5528382A

公开(公告)日：1996-06-18

申请号：US338274

申请日：1994-11-14

申请人： Masato Kato ,  Akio Aoki ,  Makoto Shimokoriyama ,  Yoshiki Ishii ,  Yasuyuki Tanaka

发明人： Masato Kato ,  Akio Aoki ,  Makoto Shimokoriyama ,  Yoshiki Ishii ,  Yasuyuki Tanaka

IPC分类号： H04N9/82 ,  H04N9/87 ,  H04N5/76 ,  H04N5/78

CPC分类号： H04N9/87 ,  H04N9/8233

摘要： An apparatus for reproducing video signals from the recording medium in which the video signals to which the control information pertaining to the image plane corresponding to every image plane is added are previously recorded. Upon reproduction of the video signals in accordance with an array pattern of the image plane different from the pattern used at the time of recording, at least a portion of the control information added to the video signals reproduced by the reproducing apparatus is changed into other information in accordance with the above-mentioned pattern to obtain the control information used for processing the video signals, thereby allowing an excellent image plane to be obtained.

摘要翻译： 预先记录附加有与每个图像平面对应的与图像平面相关的控制信息的视频信号的记录介质的视频信号的装置。 在根据不同于在记录时使用的图案的图像平面的阵列图案再现视频信号时，添加到由再现装置再现的视频信号中的控制信息的至少一部分被改变为其他信息 根据上述图案，获得用于处理视频信号的控制信息，从而获得优异的图像平面。

公开(公告)号：US06473879B1

公开(公告)日：2002-10-29

申请号：US09502210

申请日：2000-02-11

申请人： Yoshiki Ishii ,  Akihiro Shikakura ,  Tetsuya Shimizu

发明人： Yoshiki Ishii ,  Akihiro Shikakura ,  Tetsuya Shimizu

IPC分类号： G11C2900

CPC分类号： G11B27/032 ,  G11B5/86 ,  G11B20/1876 ,  G11B2220/90

摘要： Where a recording medium recorded on at a slave side apparatus is reproduced, it has been made possible to perform on cite modification processing identical to that conducted at a master side apparatus, by reproducing, at the master side apparatus, the primary information added with parity symbol for error correction from the recording medium on which the primary information is recorded, correcting the symbol error of primary information reproduced at the reproducing means using the reproduced parity symbol, producing the flag which indicates the production of an uncorrectable symbol error in one unit of a block of a specified amount of information and thus outputting the modification information corresponding to the primary information and the flag and forming, at the slave side, the parity symbol for correction of error of primary information output at the master side apparatus and recording the primary information with the parity symbol and modification information, on the same recording medium. It has also become possible to conduct satisfactory modification processing when the symbol error is produced.

摘要翻译： 在再现记录在从属设备上的记录介质的情况下，可以通过在主机侧再现添加奇偶校验的主信息来执行与在主机侧进行相同的修改处理， 从记录有主信息的记录介质进行纠错的符号，使用再现的奇偶校验符号校正在再现装置处再现的主信息的符号错误，产生指示产生一个单位的不可校正符号误差的标志 指定量的信息的块，从而输出与主信息和标志相对应的修改信息，并且在从属侧形成用于校正在主机侧输出的主信息的错误的奇偶校验符号，并记录主 信息与奇偶校验符号和修改信息相同， 流动媒介。 当产生符号错误时，也可以进行令人满意的修改处理。

公开(公告)号：US6055664A

公开(公告)日：2000-04-25

申请号：US312939

申请日：1994-09-30

申请人： Yoshiki Ishii ,  Akihiro Shikakura ,  Tetsuya Shimizu

发明人： Yoshiki Ishii ,  Akihiro Shikakura ,  Tetsuya Shimizu

IPC分类号： G11B5/86 ,  G11B20/18 ,  G11B27/032 ,  G06F11/00

CPC分类号： G11B27/032 ,  G11B20/1876 ,  G11B5/86 ,  G11B2220/90

摘要： Where a recording medium recorded on a slave side apparatus is reproduced, it has been made possible to perform on site modification processing identical to that conducted at a master side apparatus, by reproducing, the primary information added with parity symbol for error correction from the recording medium on which the primary information is recorded, correcting the symbol error of primary information reproduced at the reproducing unit using the reproduced parity symbol, producing the flag which indicates the production of an uncorrectable symbol error in one unit of a block of a specified amount of information and thus outputting the modification information corresponding to the primary information and the flag and forming, at the slave side, the parity symbol for correction of error of primary information output at the master side apparatus and recording the primary information with the parity symbol and modification information, on the same recording medium. It has also become possible to conduct satisfactory modification processing when the symbol error is produced.

摘要翻译： 在再现记录在从设备装置上的记录介质的情况下，可以通过从记录中再现添加有用于纠错的奇偶校验符号的主要信息来执行与在主机侧进行相同的现场修改处理 在其上记录主要信息的介质，使用再现的奇偶校验符号校正在再现单元处再现的主要信息的符号错误，产生指示在特定量的单位的块中的一个单位中产生不可校正的符号错误的标志 信息，从而输出对应于主要信息和标志的修改信息，并且在从属侧形成用于校正在主机侧输出的主要信息的错误的奇偶校验符号，并用奇偶校验符号和修改记录主信息 信息，在相同的记录介质上。 当产生符号错误时，也可以进行令人满意的修改处理。