Burnett Chila Chiona, Masauko Msiska
The Self-efficacy of Malawian Nursing Educators towards the use of Case Study Teaching Method
Malawi medical journal : the journal of Medical Association of Malawi
precise delineation esophageal gross tumor volume gtv medical images promote radiotherapy effect esophagus cancer work intended explore effective learningbased methods tackle challenging autosegmentation problem esophageal gtv employing progressive hierarchical reasoning mechanism phrm devised simple yet effective twostage deep framework convmlpresunet thereinto frontend convmlp integrates convolution conv multilayer perceptrons mlp capture localized longrange spatial information thus making convmlp excel location coarse shape prediction esophageal gtv according phrm frontend convmlp strong generalization ability ensure backend resunet correct valid reasoning therefore condition control training algorithm proposed control training process convmlp robust front end afterward backend resunet benefits yielded mask convmlp conduct finer expansive segmentation output final result extensive experiments carried clinical cohort included 1138 pairs 18ffdg positron emission tomographycomputed tomography petct images report dice similarity coefficient hausdorff distance mean surface distance 082 013 431 791 mm 142 369 mm respectively predicted contours visually good agreements ground truths devised convmlp apt locating esophageal gtv correct initial shape prediction hence facilitates finer segmentation backend resunet qualitative quantitative results validate effectiveness proposed method