利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

2 条记录 (耗时 0.01 秒)

    IMAGE PROCESSING METHOD, IMAGE PROCESSING DEVICE AND STORAGE MEDIUM
    1.
    发明公开
    IMAGE PROCESSING METHOD, IMAGE PROCESSING DEVICE AND STORAGE MEDIUM 审中-公开

    公开(公告)号：EP3506209A1

    公开(公告)日：2019-07-03

    申请号：EP18215939.2

    申请日：2018-12-31

    申请人： Tsinghua University ,  Nuctech Company Limited

    发明人： XING, Yuxiang ,  LIANG, Kaichao ,  SHEN, Le ,  ZHANG, Li ,  YANG, Hongkai ,  KANG, Kejun ,  CHEN, Zhiqing ,  LI, Jianmin ,  LIU, Yinong

    IPC分类号： G06T11/00

    摘要： An image processing method, an image processing device and a storage medium are disclosed. The image processing method includes processing input projection domain data using a convolutional neural network. The neural network includes a projection domain network, an analytical reconstruction network layer and an image domain network. The projection domain network may process the projection domain data to recover possible missing data, thereby improving quality of the projection. The image domain network processes a reconstructed image to obtain an estimated image. The image domain network is adjusted by using an a priori model cost function based on the estimated image, and back propagation of a gradient is performed through the analytical reconstruction network layer to adjust parameters of a convolutional kernel of the projection domain network. A projection operation is performed on the estimated image by using a system projection matrix of the CT scanning system to obtain a projection result.