Image processing apparatus and method in which a plurality of access
circuits can simultaneously perform access operations
    2.
    发明授权
    Image processing apparatus and method in which a plurality of access circuits can simultaneously perform access operations 失效
    多路访问电路的图像处理装置和方法可以同时执行访问操作

    公开(公告)号:US5125044A

    公开(公告)日:1992-06-23

    申请号:US647755

    申请日:1991-01-30

    CPC分类号: H04N5/268 H04N5/222

    摘要: An image processing apparatus which allows a plurality of access circuits to perform access operations simultaneously including a first access circuit for writing a video signal in digital form, obtained by A/D conversion, into an image memory, a plurality of process memories for storing necessary data, taken out from the video signals stored in the image memory, a plurality of second access circuits for accessing the image memory and the process memories, and performing specified data processing to obtain necessary data from the image memory, and a third access circuit having the same functions as the second access circuits and a function to control the operation of the first and second access circuits. Access switchover circuits are provided for each of the image memory and process memories, for switching over access to the memories to either the first, second or third access circuits.

    摘要翻译: 一种图像处理装置,其允许多个存取电路同时进行包括通过A / D转换获得的用于将通过A / D转换获得的数字形式的视频信号写入的第一存取电路的存取操作,用于存储必要的多个处理存储器 从存储在图像存储器中的视频信号中取出的数据,用于访问图像存储器和处理存储器的多个第二存取电路,以及执行指定的数据处理以从图像存储器获取必要的数据;以及第三存取电路, 与第二存取电路相同的功能以及控制第一和第二存取电路的操作的功能。 为每个图像存储器和处理存储器提供存取切换电路,用于将对存储器的访问切换到第一,第二或第三存取电路。