Resolution enhancement of lung 4D-CT data using multiscale interphase iterative nonlocal means - Zhang, Yu; Yap, Pew-Thian; Wu, Guorong; Feng, Qianjin; Lian, Jun; Chen, Wufan; Shen, Dinggang (Medical physics (Lancaster), 2013)
Keywords: 60 APPLIED LIFE SCIENCES; ALGORITHMS; cancer; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Computed tomography; Computerised tomographs; computerised tomography; COMPUTERIZED TOMOGRAPHY; Digital computing or data processing equipment or methods, specially adapted for specific applications; DOSIMETRY; Dosimetry/exposure assessment; FOUR-DIMENSIONAL CALCULATIONS; Four-Dimensional Computed Tomography - methods; HEALTH HAZARDS; Humans; Image data processing or generation, in general; Image enhancement; IMAGE PROCESSING; image reconstruction; INTERPOLATION; ITERATIVE METHODS; lung; Lung - diagnostic imaging; lung 4D‐CT; LUNGS; medical image processing; Medical image reconstruction; Medical imaging; nonlocal means; Numerical approximation and analysis; PEAKS; Pneumodyamics, respiration; RADIATION DOSES; RADIATION PROTECTION AND DOSIMETRY; radiation therapy; RADIOLOGY AND NUCLEAR MEDICINE; RADIOTHERAPY; Reconstruction; resolution enhancement; SENSITIVITY; SIGNAL-TO-NOISE RATIO; SPATIAL RESOLUTION; tumours; X‐ray imaging; nonlocal means; lung 4D-CT; resolution enhancement