Method and apparatus for boundary-based image compression
    1.
    发明授权
    Method and apparatus for boundary-based image compression 有权
    基于边界的图像压缩的方法和装置

    公开(公告)号:US07653252B2

    公开(公告)日:2010-01-26

    申请号:US11233777

    申请日:2005-09-22

    IPC分类号: G06K9/36 G06K9/00

    摘要: Compressing a data file representing an image wherein one or more regions within the image are identified. At least one of the regions is selected and the data corresponding to the selected region is compressed at a different rate that the data corresponding to non-selected regions of the image. The different compression rates are selected to maintain a desired fidelity in an image reconstructed from the compressed data file. The different compression rates can be predetermined, selected by a user, or automatically selected. Compression rates can be based upon the type of image to be compressed such as x-ray, CT scan or MRI images, the structure that is being analyzed, parameters regarding the use of the image, system parameters such as storage capacity available, or bandwidth of a communication channel used to transmit the compressed file.

    摘要翻译: 压缩表示图像的数据文件,其中识别图像内的一个或多个区域。 选择区域中的至少一个,并且以对应于图像的未选择区域的数据的不同速率压缩与所选区域相对应的数据。 选择不同的压缩率以在从压缩数据文件重建的图像中保持期望的保真度。 可以预先确定不同的压缩率,由用户选择或自动选择。 压缩率可以基于要压缩的图像的类型,例如x射线,CT扫描或MRI图像,正在分析的结构,关于图像的使用的参数,可用存储容量的系统参数或带宽 用于传送压缩文件的通信信道。