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公开(公告)号：US4755878A
公开(公告)日：1988-07-05
申请号：US932773
申请日：1986-11-19
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
CPC分类号： H04N7/12
摘要： A system for transmitting an image information signal which continuously forms a temporally correlated group of image planes is arranged to divide each image plane portion of the image information signal into a plurality of blocks; to have a plurality of different information transmitting modes of transmitting the image information signal in different degrees of information density including a mode in which a present image plane portion of the image information signal is not transmitted; to form a transmitting information signal on the basis of applicable one of the plurality of the different information transmitting modes; to generate for each of the blocks a transmitting mode signal including information indicating use or nonuse of the information transmitting mode in which the present image plane portion of the image information signal is not transmitted; and to transmit the transmitting information signal and the transmitting mode signal in a multiplexing manner.
摘要翻译： 用于发送连续地形成时间相关的图像平面组的图像信息信号的系统被布置为将图像信息信号的每个图像平面部分分成多个块; 具有以不同信息密度传输图像信息信号的多个不同信息发送模式，包括不发送图像信息信号的当前图像平面部分的模式; 基于所述多个所述不同信息发送模式中的适用的一个，形成发送信息信号; 为每个块生成包括指示不发送图像信息信号的当前图像平面部分的信息发送模式的使用或不使用的信息的发送模式信号; 并以复用方式发送发送信息信号和发送模式信号。
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公开(公告)号：US4797741A
公开(公告)日：1989-01-10
申请号：US898936
申请日：1986-08-21
摘要： An information signal transmission system is arranged to divide an original image information signal which consists of information signals representing a number k.times.l (k and l: positive integers) or picture elements into a plurality of small blocks, each grouping a number m.times.n (m and n: positive integers) of picture elements to have a plurality of compressing modes of different information compressing rates; and to compress the information signal for each of the blocks in one of the plurality of compressing modes in transmitting these information signals.
摘要翻译： 信息信号传输系统被布置为将由表示数字kxl（k和l：正整数）或图像元素的信息信号组成的原始图像信息信号分成多个小块，每个小块将数字mxn（m和n ：正整数），以具有不同信息压缩率的多种压缩模式; 并且在发送这些信息信号时，以多个压缩模式之一压缩每个块的信息信号。
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公开(公告)号：US4947448A
公开(公告)日：1990-08-07
申请号：US274660
申请日：1988-11-21
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
CPC分类号： H04N7/0152 , H04N7/125
摘要： An image information signal transmitting system for transmitting an image information signals which continuously forms a temporally correlated group of image planes is arranged to divide each image plane portions of the image information signal into a plurality of blocks; and, in determining for every divided block included in each of the image planes the adoption of one of a plurality of information transmitting modes provided for different information transmitting density values, the information transmitting modes for the plurality of blocks of a presently transmitting image plane portion of the signal are determined at least according to the information transmitting modes which hae been used for the plurality of blocks of a previously transmitted image plane portion of the signal.
摘要翻译： 用于发送连续地形成时间相关的图像平面组的图像信息信号的图像信息信号发送系统被布置为将图像信息信号的每个图像平面部分分成多个块; 并且在确定包括在每个图像平面中的每个划分的块时，采用为不同信息发送密度值提供的多个信息发送模式中的一个，对于当前发送的图像平面部分的多个块的信息发送模式 至少根据已经用于信号的先前发送的图像平面部分的多个块的信息发送模式来确定信号。
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公开(公告)号：US4932066A
公开(公告)日：1990-06-05
申请号：US277421
申请日：1988-11-23
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Katsuji Yoshimura , Koji Takahashi , Susumu Kozuki
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Katsuji Yoshimura , Koji Takahashi , Susumu Kozuki
IPC分类号： H04N1/411
CPC分类号： H04N1/411
摘要： A system for transmitting information signal in which a temporally correlated group of image planes are continuously formed comprises: dividing means which divides the information signal into separate image planes and further divides each image plane portion of the signal into a plurality of blocks; first transmitting means for transmitting in a first degree of information density the first of the plurality of blocks obtained from the dividing means; second transmitting means for transmitting in a second degree of information density the second of the plurality of divided blocks obtained from the dividing means; and transmission inhibiting means for inhibiting transmission of the third of the plurality of divided blocks obtained from the dividing means by dividing a present image plane portion of the information signal.
摘要翻译： 用于发送时间上相关的图像平面组连续形成的信息信号的系统包括：分割装置，将信息信号分成分离的图像平面，并将信号的每个图像平面部分分成多个块; 第一发送装置，用于以第一信息密度从分割装置获得的多个块中的第一块发送; 第二发送装置，用于以第二信息密度发送从分割装置获得的多个分割块中的第二个; 以及发送禁止装置，用于通过划分信息信号的当前图像平面部分来禁止从分割装置获得的多个划分块中的第三块的传输。
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5.发明授权Image information signal transmitting system with selective transmission of input data or extracted data 失效具有选择性地传输输入数据或提取数据的图像信息信号发送系统
公开(公告)号：US4994911A
公开(公告)日：1991-02-19
申请号：US325549
申请日：1989-03-20
申请人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
发明人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
IPC分类号： H04N1/411 , H04N7/015 , H04N19/00 , H04N19/132 , H04N19/134 , H04N19/154 , H04N19/189 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/59 , H04N19/70 , H04N19/85
CPC分类号： H04N7/0152
摘要： A transmission system, of the type wherein input data to be transmitted is stored in blocks and less than all stored data is extracted from the blocks for transmission and the extracted data is subjected to interpolation to restore all of the data, includes computing circuits for obtaining respective differences between input data and restored data and between input data and stored data and the sums of such differences, and further computing and comparison circuits operating with such differences sums to effect selective transmission of the input data or the extracted data.
摘要翻译： 将要发送的输入数据存储在块中并且小于所有存储的数据的类型的传输系统从用于传输的块中提取，并且提取的数据被进行插值以恢复所有数据，包括用于获得的计算电路 输入数据和恢复的数据之间以及输入数据与存储的数据之间的差异以及这些差异之和，以及用这些差异操作的另外的计算和比较电路相加，以实现输入数据或提取的数据的选择性传输。
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公开(公告)号：US4916537A
公开(公告)日：1990-04-10
申请号：US329006
申请日：1989-03-27
申请人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
发明人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
IPC分类号： H04N1/411 , H04N7/015 , H04N7/12 , H04N19/00 , H04N19/132 , H04N19/14 , H04N19/154 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/426 , H04N19/46 , H04N19/59 , H04N19/65 , H04N19/70 , H04N19/80 , H04N19/85 , H04N19/88 , H04N19/895
CPC分类号： H04N7/125 , H04N7/0152
摘要： An image information signal transmitting system according to the present invention is structured in such a manner that an image information signal composed of a plurality of picture element data corresponding to one picture is stored in units of blocks each of which is composed of a predetermined number of picture element data, the image information signal composed of a plurality of picture element data corresponding to one picture is divided into the blocks, and picture element data is extracted from the thus-divided blocks by a number smaller than the number of picture element data forming the block, and the extracted picture element is stored in units of corresponding blocks. Furthermore, the image information signal composed of a plurality of picture element data corresponding to one picture is divided into the blocks, and a transmission mode for the picture element data forming each of the blocks is determined among a plurality of transmission modes having different numbers of picture element data transmitted, a reading address which corresponds to a block determined to be transmitted in a transmission mode having the greatest number of picture element data transmitted, discrimination data for discriminating an address corresponding to an end portion in each horizontal line direction of a picture from other reading addresses is generated, and stored picture element data is read out so that image information signals can be stably transmitted without any deterioration in the image quality.
摘要翻译： 根据本发明的图像信息信号发送系统被构造成使得由与一个图像相对应的多个图像元素数据组成的图像信息信号以块为单位存储，每个块由预定数量的 图像元素数据，将由与一个图像相对应的多个图像元素数据组成的图像信息信号分割成块，并且从这样分割的块中提取小于图像元素数据形成数量的数量的图像元素数据 块和提取的图像元素以对应的块为单位存储。 此外，将由与一个图像相对应的多个图像元素数据构成的图像信息信号分割成块，并且在具有不同数量的多个图像数据的多个传输模式中确定形成每个块的图像元素数据的传输模式 发送的图像元素数据，对应于被确定为以发送的图像元素数量最多的传输模式发送的块的读取地址，用于识别与图像的每个水平线方向上的端部相对应的地址的鉴别数据 从其他读取地址生成，并且读出存储的图像元素数据，从而可以稳定地发送图像信息信号，而不会降低图像质量。
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公开(公告)号：US5023716A
公开(公告)日：1991-06-11
申请号：US608634
申请日：1990-10-31
申请人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
发明人： Tadayoshi Nakayama , Hisashi Ishikawa , Susumu Kozuki , Koji Takahashi , Katsuji Yoshimura , Kenichi Nagasawa , Tomohiko Sasatani
摘要： An image information signal transmitting system of this invention is a system which divides an image information signal for one picture constituted by a set of picture element data into blocks each constituted by a predetermined quantity of picture element data, transmits the picture element data on each of the blocks on the basis of a mode selected from among a plurality of transmission modes each of which allows a different quantity of picture element data to be transmitted and a mode information signal indicative of the transmission mode of each of the blocks, and restores the picture element data on each of the blocks to the original image information signal. The system is arranged to store the transmitted picture element data, read out the stored picture element data at a data readout rate of one kind which is selected from among a plurality of different data readout rates and which corresponds to the kind of transmission mode indicated by the transmitted mode information signal, and implement a data restoring processing on the picture element data thus read on the basis of a data restoring processing of one kind which is selected from among a plurality of different data restoring processings and which corresponds to the kind of transmission mode indicated by the transmitted mode information signal. With this arrangement, it is possible to realize reductions in the size, weight and cost of the apparatus without deteriorating an image information signal to be transmitted.
摘要翻译： 本发明的图像信息信号发送系统是将由一组图像元素数据构成的一幅图像的图像信息信号分割为由预定量的图像元素数据构成的块的系统， 基于从多个传输模式中选择的模式，每个传输模式允许发送不同数量的图像元素数据，以及表示每个块的传输模式的模式信息信号，并恢复图像 每个块上的元素数据到原始图像信息信号。 该系统设置为存储所发送的图像元素数据，以从多个不同数据读出速率中选择的一种数据读出速率读出存储的图像元素数据，并且其对应于由 发送模式信息信号，并且基于从多个不同的数据恢复处理中选择并且对应于传输的种类的一种的数据恢复处理，对这样读取的图像元素数据执行数据恢复处理 模式由发送模式信息信号指示。 利用这种布置，可以实现装置的尺寸，重量和成本的降低，而不会使要发送的图像信息信号恶化。
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公开(公告)号：US5734785A
公开(公告)日：1998-03-31
申请号：US296615
申请日：1994-08-25
CPC分类号： H04N9/8205 , H04N9/7904
摘要： In an image signal recording system for recording on a recording medium an original image signal corresponding to an original picture which is comprised of a plurality of pixels, the original picture is divided into a plurality of pixel blocks each consisting of a predetermined number of pixels, and image signals each corresponding to the associated pixel block divided are recorded on the recording medium in accordance with a first recording mode and a second recording mode which are mutually different in a recording format. Either of the first and second recording modes is selected on each of the plurality of pixel blocks and a recording mode information signal corresponding to the selected recording mode is generated. There are recorded on the recording medium, the first image information signal or the second image information signal formed and the recording mode information signal generated, on a multiple basis. Thus, it is possible to provide the image signal recording system capable of efficiently recording image signals while suppressing a deterioration of the image quality.
摘要翻译： 在用于在记录介质上记录与由多个像素组成的原始图像相对应的原始图像信号的图像信号记录系统中，原始图像被分成多个像素块，每个像素块由预定数量的像素组成， 并且分别对应于相关联的像素块的图像信号根据记录格式相互不同的第一记录模式和第二记录模式被记录在记录介质上。 在多个像素块中的每一个上选择第一和第二记录模式之一，并且生成与所选记录模式对应的记录模式信息信号。 在多个基础上记录在记录介质上，形成的第一图像信息信号或第二图像信息信号和所生成的记录模式信息信号。 因此，可以提供能够有效地记录图像信号同时抑制图像质量劣化的图像信号记录系统。
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9.发明授权Apparatus for the demodulation of a carrier chrominance signal into color difference signals 失效用于将载波色度信号解调为色差信号的装置
公开(公告)号：US5315379A
公开(公告)日：1994-05-24
申请号：US907711
申请日：1992-07-02
摘要： A color signal processing device for processing a carrier chrominance signal is arranged to produce a first sampling signal by sampling the carrier chrominance signal according to a sampling clock signal synchronized with a reference phase of the carrier chrominance signal and a second sampling signal which is of a sampling phase opposite to that of the first sampling signal and to form baseband signals conforming to a color signal by using the first and second sampling signals. This arrangement enables the device to process the color signal without causing any signal deterioration that tends to result from DC fluctuations of the carrier chrominance signal.
摘要翻译： 布置用于处理载波色度信号的彩色信号处理装置，通过根据与载波色度信号的参考相位同步的采样时钟信号和载波色度信号的第二采样信号，对载波色度信号进行采样来产生第一采样信号 采样相位与第一采样信号相反，并通过使用第一和第二采样信号形成符合颜色信号的基带信号。 这种布置使得设备能够处理颜色信号，而不会导致由于载波色度信号的DC波动而导致的任何信号劣化。
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公开(公告)号：US5043815A
公开(公告)日：1991-08-27
申请号：US300818
申请日：1989-01-23
CPC分类号： H04N5/2625 , H04N5/21 , H04N5/262
摘要： A video signal processing device comprising a subtractor for computing a difference signal between an input video signal and a video signal input a predetermined period before relative to the input video signal, a computer for applying a predetermined computation to the difference signal, an adder for adding that computation result to the input video signal or the video signal input the predetermined period before and outputting the result, a delay circuit for delaying the output of the adder by the predetermined period, and a dither generator for generating a dither pattern, being characterized in that the dither pattern generated by the dither generator is added to the signal output from the computer or the adder.
摘要翻译： 一种视频信号处理装置，包括：减法器，用于计算在输入视频信号和输入视频信号之前预定时段输入的视频信号之间的差分信号;计算机，用于对差分信号应用预定的计算;加法器， 该输出视频信号或输入视频信号的输出结果输出到输出结果之前的预定周期，延迟电路用于将加法器的输出延迟预定周期，以及用于产生抖动图案的抖动发生器，其特征在于 由抖动发生器产生的抖动模式被加到从计算机或加法器输出的信号中。
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