TY - GEN AU - Hristov,D H AU - Fallone,B G TI - A grey-level image alignment algorithm for registration of portal images and digitally reconstructed radiographs SN - 0094-2405 PY - 1996///0905 KW - Algorithms KW - Biophysical Phenomena KW - Biophysics KW - Evaluation Studies as Topic KW - Fourier Analysis KW - Humans KW - Radiographic Image Enhancement KW - methods KW - Radiographic Image Interpretation, Computer-Assisted KW - Radiotherapy Planning, Computer-Assisted KW - Rotation KW - Technology, Radiologic N1 - Publication Type: Journal Article UR - https://doi.org/10.1118/1.597743 ER -