Dynamic image transmission system
    1.
    发明授权
    Dynamic image transmission system 失效
    动态图像传输系统

    公开(公告)号:US4991009A

    公开(公告)日:1991-02-05

    申请号:US376861

    申请日:1989-07-07

    IPC分类号: H04N7/36

    CPC分类号: H04N19/503

    摘要: A dynamic image transmission system comprises an input part for inputting image data of an input image, memory for storing the image data successively input from the input part and for storing transmitting image data which is to be transmitted, a detecting part for detecting each dynamic line in which corresponding picture element data of two successive frames stored in the memory differ by more than a predetermined data change quantity, a transmission part for transmitting the image data stored in the memory to a transmission path as the transmitting image data, and control part for controlling operations of the detecting part and the transmission part during an image transmission mode so that image data related to a first frame of the input image is transmitted as the transmitting image data but only the image data of each dynamic line is transmitted as the transmitting image data with respect to second and subsequent frames.

    摘要翻译: 动态图像传输系统包括用于输入输入图像的图像数据的输入部分,用于存储从输入部分连续输入的图像数据的存储器,以及用于存储要发送的发送图像数据的检测部分,用于检测每个动态线 其中存储在存储器中的两个连续帧的相应图像元素数据相差大于预定数据改变量,用于将存储在存储器中的图像数据发送到作为发送图像数据的传输路径的发送部分,以及用于 在图像传输模式期间控制检测部分和发送部分的操作,使得与输入图像的第一帧相关的图像数据作为发送图像数据被发送,而仅发送每个动态线的图像数据作为发送图像 相对于第二帧和后续帧的数据。

    Picture element data generating method
    2.
    发明授权
    Picture element data generating method 失效
    图像元素数据生成方法

    公开(公告)号:US4894729A

    公开(公告)日:1990-01-16

    申请号:US102380

    申请日:1987-09-28

    IPC分类号: H04N1/40 H04N1/41

    CPC分类号: H04N1/41 H04N1/40068

    摘要: A picture element data generating method comprises the steps of extracting a noticeable pixel and a plurality of reference pixels from image data, the reference pixels being adjacent to the noticeable pixel; and generating a pixel positioned within a minimum polygon which is formed so as to include the noticeable pixel and the reference pixels as vertexes thereof or include the reference pixels as vertexes and the noticeable pixel on a side thereof. A level of the pixel being calculated by use of levels of the noticeable and reference pixels which are weighed.

    摘要翻译: 图像元素数据生成方法包括以下步骤:从图像数据中提取显着像素和多个参考像素,所述参考像素与所述显着像素相邻; 并且生成位于最小多边形内的像素,所述像素被形成为包括所述显着像素和所述参考像素作为其顶点,或者将所述参考像素包括为所述参考像素和所述可见像素在其一侧。 通过使用被称重的显着参考像素的等级来计算像素的电平。

    Two-step gamma correction method and system
    3.
    发明授权
    Two-step gamma correction method and system 失效
    两步伽马校正方法和系统

    公开(公告)号:US06064396A

    公开(公告)日:2000-05-16

    申请号:US547499

    申请日:1995-10-24

    IPC分类号: G06T5/40 G06F15/00

    摘要: The current methods and systems for correcting image information improve input and output characteristics. Although .gamma. correction curves have been used in prior art, the current invention allows more refined control in the correction process without additional parameters or hardware. The refined control includes adjustments at a localized area of the correction curve, an efficient conversion between a standard range value and a device-dependent value, a color-specific correction and a flexible user interface. Furthermore, the above described advantages are provided on demand rather than storing the pre-calculated information.

    摘要翻译: 目前用于校正图像信息的方法和系统提高了输入和输出特性。 虽然在现有技术中已经使用伽马校正曲线,但是本发明允许在校正过程中更精细的控制,而没有附加的参数或硬件。 改进的控制包括校正曲线的局部区域的调整,标准范围值与设备相关值之间的有效转换,颜色特定校正和灵活的用户界面。 此外,根据需要提供上述优点,而不是存储预先计算的信息。

    Image data coding apparatus
    4.
    发明授权
    Image data coding apparatus 失效
    图像数据编码装置

    公开(公告)号:US5274719A

    公开(公告)日:1993-12-28

    申请号:US889884

    申请日:1992-05-29

    CPC分类号: H04N1/419 H04N1/417

    摘要: An image data coding apparatus includes a coder for coding input binary data in a predetermined coding algorithm and for outputting coded data, a conversion circuit for repeatedly performing a converting operation with respect to binary image data supplied from an external unit, a determination circuit for determining a number of times which the converting operation should be repeated in the conversion circuit based on a condition in which, when data obtained by repeating the converting operation the number of times in the conversion circuit is coded by the coder, a number of codes representing coded data output from the coder is minimum; and a circuit, for supplying to the coder, as the input data, converted data obtained by repeating the conversion operation the number of times determined by the determination circuit. The image coding apparatus outputs the coded data and data representing the number of times the converting operation is repeated.

    摘要翻译: 图像数据编码装置包括编码器,用于以预定编码算法对输入的二进制数据进行编码并输出编码数据;转换电路,用于重复执行关于从外部单元提供的二进制图像数据的转换操作;确定电路,用于确定 在转换电路中基于如下条件的次数,该转换操作在编码器中对当转换电路中的次数进行重复而获得的数据被编码时,代码编码的代码数 来自编码器的数据输出最小; 以及用于向编码器提供作为输入数据的转换数据的电路,该转换数据通过重复转换操作而获得由确定电路确定的次数。 图像编码装置输出表示转换操作重复次数的编码数据和数据。

    Multi-step-digital color image reproducing method and apparatus
    5.
    发明授权
    Multi-step-digital color image reproducing method and apparatus 失效
    多步数字彩色图像再现方法和装置

    公开(公告)号:US4974067A

    公开(公告)日:1990-11-27

    申请号:US58945

    申请日:1987-06-05

    IPC分类号: H04N1/405 H04N1/52

    CPC分类号: H04N1/4055 H04N1/52

    摘要: A digital image processing method and an apparatus for the same which separate an original image into a plurality of color components to thereby produce image data each being associated with a respective one of the color components. The image data are individually processed to provide record color component density data. One halftone representation pattern is specified on a color component basis by the record color component density data to record that pattern. In color-by-color halftone data processing, there are used halftone representation patterns which are different in the positions of tone rendering spots from one color to another. Each of the record density data is extracted by assigning a particular area of the pattern thereto. The halftone representation patterns adapted to record a first and a second color which degrade color reproducibility when mixed together, e.g., those for magenta and cyan are provided with the centers of the above-mentioned spots at different positions from each other. The halftone representation patterns for recording a third color such as yellow have spots the centers of which are distributed between those of the patterns adapted for the first and second colors. The methodology and apparatus provide for the suppressing of overlapping of colors in a low density range despite the use of the same density pattern by changing the pattern phase, color by color and in addition implementing variable magnification recording of a high quality color image by use of a submatrix type recording system.

    摘要翻译: 一种数字图像处理方法及其装置,其将原始图像分离成多个颜色分量,从而产生与各个颜色分量相关联的图像数据。 图像数据被单独处理以提供记录颜色分量密度数据。 通过记录颜色分量密度数据在颜色分量基础上指定一个半色调表示图案以记录该图案。 在彩色半色调数据处理中,使用在色调渲染点从一种颜色到另一种颜色的位置不同的半色调表示图案。 通过将图案的特定区域分配给每个记录密度数据。 适于记录混合在一起时降低色彩再现性的第一颜色和第二颜色的半色调表示图案,例如品红色和青色的色调再现性的半色调表示图案具有彼此不同位置处的上述斑点的中心。 用于记录第三种颜色(如黄色)的半色调表示图案具有其中心分布在适于第一和第二颜色的图案之间的点。 该方法和装置提供了抑制低密度范围内的颜色重叠,尽管通过使用相同的浓度图案,通过改变图案相位,颜色逐渐变化,并且另外通过使用高品质彩色图像来实现可变放大倍率记录 子矩阵型记录系统。

    Halftone image recording system
    6.
    发明授权
    Halftone image recording system 失效
    半色调图像录制系统

    公开(公告)号:US4593297A

    公开(公告)日:1986-06-03

    申请号:US631203

    申请日:1984-07-16

    CPC分类号: H04N1/4055 H04N1/40037

    摘要: A halftone image recording system for an electrophotographic apparatus which records a halftone image of input image data using black dots and white dots. Various different densities are rendered by various different gradation density patterns each of which is determined by a number of black dots or that of white dots in a two-dimensional dot matrix and a direction of arrangement of the black or white dots.

    摘要翻译: 一种用于电子照相设备的半色调图像记录系统,其使用黑点和白点记录输入图像数据的半色调图像。 各种不同的浓度通过各种不同的灰度密度图案进行渲染,每个灰度密度图案由黑点或黑点或白点的排列方向上的黑点数量或白点确定。

    Image transmission system
    7.
    发明授权
    Image transmission system 失效
    图像传输系统

    公开(公告)号:US4953196A

    公开(公告)日:1990-08-28

    申请号:US192648

    申请日:1988-05-11

    IPC分类号: H04N7/14

    CPC分类号: H04N7/148

    摘要: A video phone comprising an input device for entering input image data to be transmitted, a circuit for digitizing the input image data into digital image data, a memory for storing the digital image data, a first circuit for producing an output image signal based on the digital image data from the memory, a display device for displaying an image of the output image signal, a second circuit for compressing the digital image data from the memory into compressed image data, a telephone part having telephone functions, a line control circuit coupled to a public analog telephone line for selectively coupling the second circuit and the telephone part to the public analog telephone line, and a control device. The control device controls at least the memory and the second circuit so that the compressed image data related to the input image data is read out from the memory and supplied simultaneously to the first and second circuits in an image transmitting mode and the compressed image data related to a voice frequency signal received through the public analog telephone line is stored in the memory and read out therefrom to be supplied to the first circuit in an image receiving mode.

    摘要翻译: 一种视频电话,包括用于输入要发送的输入图像数据的输入装置,用于将输入图像数据数字化为数字图像数据的电路,用于存储数字图像数据的存储器,用于产生基于该图像数据的输出图像信号的第一电路 来自存储器的数字图像数据,用于显示输出图像信号的图像的显示装置,用于将数字图像数据从存储器压缩成压缩图像数据的第二电路,具有电话功能的电话部件,耦合到 用于将第二电路和电话部件选择性地耦合到公共模拟电话线的公共模拟电话线,以及控制装置。 所述控制装置至少控制所述存储器和所述第二电路,使得与所述输入图像数据相关的压缩图像数据从所述存储器读出,并以图像发送模式同时提供给所述第一和第二电路,并且所述压缩图像数据相关 通过公共模拟电话线接收到的语音频率信号被存储在存储器中并从中读出,以便以图像接收模式提供给第一电路。

    Interactive color system editor and method of specifying potable color
system framework representation
    8.
    发明授权
    Interactive color system editor and method of specifying potable color system framework representation 失效
    交互式颜色系统编辑器和指定饮用色系统框架表示的方法

    公开(公告)号:US5982379A

    公开(公告)日:1999-11-09

    申请号:US869074

    申请日:1997-06-04

    IPC分类号: G06T11/00 G06F15/00

    CPC分类号: G06T11/001

    摘要: A system for and a method visualizes a color system for specifying a portable color system representation. The portable color system representation does not require a large table or a large amount of calculation. The same system and the method allows the user to interactively edit each of color components of a given color system so as to generate a portable color system framework representation between unrelated devices whose input and output ranges are different.

    摘要翻译: 系统和方法可视化用于指定便携式彩色系统表示的颜色系统。 便携式彩色系统表示不需要大的表或大量的计算。 相同的系统和方法允许用户交互地编辑给定颜色系统的每个颜色分量,以便在其输入和输出范围不同的不相关设备之间生成便携式彩色系统框架表示。

    Image-data transmitter having function of automatic segmented image
coding
    9.
    发明授权
    Image-data transmitter having function of automatic segmented image coding 失效
    具有自动分段图像编码功能的图像数据发送器

    公开(公告)号:US5717497A

    公开(公告)日:1998-02-10

    申请号:US415167

    申请日:1995-03-31

    摘要: An image-data transmitter, applicable to a FAX and an image file apparatus, receives image data including a plurality of image-data portions, and identifies the image data for each image-data portion so as to detect a kind of image data for each image-data portion, such as a binary image and a multilevel image. Then the image-data transmitter codes the image data for each image-data portion in accordance with a coding scheme corresponding to the kind of image data of the image-data portion. Thus, a coding efficiency and an image quality of a restored image are not so much degraded.

    摘要翻译: 适用于传真和图像文件装置的图像数据发送器接收包括多个图像数据部分的图像数据,并且识别每个图像数据部分的图像数据,以便检测每个图像数据部分的图像数据的种类 图像数据部分,例如二进制图像和多级图像。 然后,图像数据发送器根据与图像数据部分的图像数据的种类对应的编码方案,对每个图像数据部分的图像数据进行编码。 因此,恢复图像的编码效率和图像质量不会降低。

    Image segmentation using discrete cosine transfer data, and image data
transmission apparatus and method using this image segmentation
    10.
    发明授权
    Image segmentation using discrete cosine transfer data, and image data transmission apparatus and method using this image segmentation 失效
    使用离散余弦转移数据的图像分割,以及使用该图像分割的图像数据传输装置和方法

    公开(公告)号:US5416603A

    公开(公告)日:1995-05-16

    申请号:US873754

    申请日:1992-04-27

    摘要: An image-data transmitter, applicable to a FAX and an image file apparatus, receives image data including a plurality of image-data portions, and identifies the image data for each image-data portion so as to detect a kind of image data for each image-data portion, such as a binary image and a multilevel image. Then the image-data transmitter codes the image data for each image-data portion in accordance with a coding scheme corresponding to the kind of image data of the image-data portion. Thus, a coding efficiency and an image quality of a restored image are not so much degraded.

    摘要翻译: 适用于传真和图像文件装置的图像数据发送器接收包括多个图像数据部分的图像数据,并且识别每个图像数据部分的图像数据,以便检测每个图像数据部分的图像数据的种类 图像数据部分,例如二进制图像和多级图像。 然后,图像数据发送器根据与图像数据部分的图像数据的种类对应的编码方案,对每个图像数据部分的图像数据进行编码。 因此,恢复图像的编码效率和图像质量不会降低。