[2J01-04] 放射線医学と生物影響1

[2J02] 3D image reconstruction for real-time monitoring and tumor tracking in radiotherapy through optical flow and principal components analysis

*Michel Pohl¹, Mitsuru Uesaka^1,2, Kazuyuki Demachi², Ritu Bhusal Chhatkuli³, Akihiro Haga⁴ (1. The University of Tokyo, Department of Bioengineering, 2. The University of Tokyo, Department of Nuclear Engineering and Management, 3. National Institute of Radiological Sciences, 4. Toshima University, Graduate School of Biomedical Sciences)

キーワード：lung cancer, Optical flow, Principal Components Analysis, Radiotherapy

During lung cancer treatment with radiotherapy, only 2D chest images can be provided in real time using conventional techniques. Using optical flow and principal components analysis, 3D chest images can be reconstructed fast and accurately from limited information, which is a step forward in monitoring and automatic tumor tracking.