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    • 82. 发明公开
    • Object based digital video transmission method, data structure, decoder and recording media
    • 德国和德国医药公司的Datenstruktur Verfahrenfürobjektorientierte digitaleVideodatenübertragung
    • EP0858220A1
    • 1998-08-12
    • EP98101999.5
    • 1998-02-05
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Boon, Choong Seng
    • H04N7/00H04N7/26
    • H04N21/234318H04N19/30H04N21/23412H04N21/23614H04N21/4348H04N21/44012H04N21/47205H04N21/6581
    • In a data structure for coding and transmitting digital image signals corresponding to plural objects constituting a moving picture, a coded image signal obtained by coding the digital image signal corresponding to each object includes display information for image display of the corresponding object, and locational information showing the location of relevant data relating to the corresponding object. Therefore, the user can access relevant data of a desired object by only specifying the object on the display screen of the moving picture. As a result, controllability in accessing relevant data is improved. Further, since the display information of each object and the locational information of relevant data of the object are united, the locational information of relevant data can be managed by managing the display information, whereby management of the locational information of relevant data is facilitated. Further, since the locational information of relevant data of each object is transmitted simultaneously with transmission of the display signal of the object, loss of relevant data due to transmission error is significantly reduced.
    • 在对与构成运动图像的多个对象相对应的数字图像信号进行编码和发送的数据结构中,通过对与每个对象相对应的数字图像信号进行编码而获得的编码图像信号包括用于相应对象的图像显示的显示信息,以及显示 与相应对象有关的相关数据的位置。 因此,用户可以通过仅在运动图像的显示屏上指定对象来访问期望对象的相关数据。 结果,提高了访问相关数据的可控性。 此外,由于每个对象的显示信息和对象的相关数据的位置信息是一致的,所以可以通过管理显示信息来管理相关数据的位置信息,从而便于管理相关数据的位置信息。 此外,由于与对象的显示信号的发送同时发送每个对象的相关数据的位置信息,所以显着减少了由于传输错误引起的相关数据的丢失。
    • 83. 发明公开
    • Perspective mapping in a computer-controlled imaging system
    • 在einem rechnergesteuerten Abbildungsystem系统中的Abbildung in Perspektive。
    • EP0315051A2
    • 1989-05-10
    • EP88117900.6
    • 1983-07-27
    • HONEYWELL INC.
    • Fant, Karl M.
    • G06F15/72G06F15/62
    • H04N21/234318G06T15/04G09B9/301H04N21/47205
    • A computer controlled digital imaging process system is devised which operates to compose and construct a sequential stream of scenes for a 2-dimensional display from a library of images of objects such as trees. The processing speed is sufficient to permit a real-time, or near real-time, analysis of the images by a human operator or a hardware/software equivalent thereof. The images of objects stored in the library are in rectangular form.
      A vehicle such as a helicopter simulator has a field of view which represents what is seen through the "windshield" thereof which in the simulator is the screen of a computer monitor. A perspective mapping process is provided for mapping images of objects which appear in the field of view from the corresponding images in the library to the face of the monitor screen. The four corners of a stored image are located by calculations in the face of the monitor screen and the mapping of rows and columns of a stored image is done in two passes or stages. Whereas linear mapping involves the linear conversion of pixel lengths, the perspective mapping herein makes such conversions on the basis of different parts of the object being different distances from the "windshield" or face of the monitor screen and thus the more realistic effects of a perspective view are achieved.
    • 设计了一种计算机控制的数字成像处理系统,其操作用于从诸如树的对象的图像库中构建和构建用于二维显示的顺序的场景流。 处理速度足以允许人类操作者或其硬件/软件等效物对图像进行实时或接近实时的分析。 存储在库中的对象的图像是矩形的。 诸如直升机模拟器的车辆具有表示通过其“挡风玻璃”看到的视野,在模拟器中是计算机监视器的屏幕。 提供透视图映射处理,用于将出现在视野中的对象的图像从库中的对应图像映射到监视器屏幕的面部。 存储的图像的四个角通过监视器屏幕的计算来定位,并且存储图像的行和列的映射以两遍或多个阶段完成。 而线性映射涉及像素长度的线性转换,这里的透视映射使得基于对象的不同部分的这种转换是与“挡风玻璃”或监视器屏幕的面部不同的距离,因此透视的更真实的效果 视图实现。
    • 84. 发明公开
    • Fractional pixel mapping in a computer-controlled imaging system
    • 在einem rechnergesteuerten Abbildungssystem中的Fraktionierte Pixelabbildung。
    • EP0313101A2
    • 1989-04-26
    • EP88117899.0
    • 1983-07-27
    • HONEYWELL INC.
    • Fant, Karl M.
    • G06F15/72G06F15/62
    • H04N21/234318G06T15/04G09B9/301H04N21/47205
    • A computer controlled digital imaging processing system is devised which operates to compose and construct a sequential stream of scenes for a 2-dimensional display from a library of images such as trees. The processing speed is sufficient to permit a real-time, or near real-time, analysis of the images by a human operator or a hardware/software equivalent thereof. The images of objects stored in the library are in rectangular form.
      A vehicle simulator such as a helicopter simulator has a field of view which represents what is seen through the "windshield" thereof which in the simulator is the screen of a computer monitor. A perspective mapping process is provided for mapping images of objects which appear in the field of view from the corresponding images in the library to the face of the monitor screen. The four corners of a stored image are located by calculations in the face of the monitor screen to define a 4-sided polygon. The mapping of rows and columns of a stored image in the library to this polygon is done in two passes or stages.
      The library input image rectangle has columns and rows with the same number of pixels as the columns and rows of the output image on the face of the cathode ray tube. The mapping of pixels from the input image to the output image involves a pixel magnifying and reducing process wherein pixels in the input image are either larger or smaller than pixels in the output image. The input pixels are assembled in groups on a fractional basis so that each such group forms exactly one pixel in the output image.
    • 设计了一种计算机控制的数字成像处理系统,其操作用于从诸如树的图像库构成并构建用于二维显示的顺序的场景流。 处理速度足以允许人类操作者或其硬件/软件等效物对图像进行实时或接近实时的分析。 存储在库中的对象的图像是矩形的。 诸如直升机模拟器的车辆模拟器具有代表通过其“挡风玻璃”看到的视野,其中在模拟器中是计算机监视器的屏幕。 提供透视图映射处理,用于将出现在视野中的对象的图像从库中的对应图像映射到监视器屏幕的面部。 存储图像的四个角是通过在监视器屏幕的面部进行计算来定义四边形多边形。 将库中存储的图像的行和列映射到该多边形是在两个遍或多个阶段中完成的。 库输入图像矩形具有与阴极射线管的表面上的输出图像的列和行相同数量的像素的列和行。 从输入图像到输出图像的像素的映射涉及像素放大和缩小处理,其中输入图像中的像素大于或小于输出图像中的像素。 输入像素以分数的方式组合成组,使得每个这样的组在输出图像中恰好形成一个像素。