{"id":"W2057208460","doi":"10.1118/1.1374244","title":"Dosimetric investigation and portal dose image prediction using an amorphous silicon electronic portal imaging device","year":2001,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced Radiotherapy Techniques","field":"Physics and Astronomy","cited_by":194,"is_retracted":false,"has_abstract":true,"ca_institutions":"BC Cancer Agency; CancerCare Manitoba","funders":"Manitoba Health Research Council","keywords":"Imaging phantom; Detector; Dosimetry; Optics; Photon; Materials science; Dose profile; Image sensor; X-ray detector; Physics; Amorphous silicon; Medical imaging; Nuclear medicine; Silicon; Computer science; Optoelectronics; Crystalline silicon","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001998215,0.0002030397,0.0002036468,0.00007277644,0.0001437351,0.00004865211,0.0001254945,0.00005447922,0.0001857587],"category_scores_gemma":[0.00001456048,0.0002020275,0.00005322159,0.0004262189,0.0001903524,0.0007291296,0.0000337787,0.0003650028,0.000001299821],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005786009,"about_ca_system_score_gemma":0.0001494591,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002347816,"about_ca_topic_score_gemma":0.000004058634,"domain_scores_codex":[0.998572,0.00004754223,0.0002672736,0.0003478836,0.0003868256,0.0003785046],"domain_scores_gemma":[0.9993069,0.00003670677,0.0001459657,0.0002111978,0.00005431032,0.0002449299],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00004221642,0.0005768003,0.6697203,0.00003107894,0.0001282924,0.00009119826,0.0004190138,0.00009623591,0.05576197,0.004635811,0.0002712214,0.2682259],"study_design_scores_gemma":[0.007985058,0.001152481,0.09177005,0.0004543737,0.0006310748,0.0006794895,0.0004624571,0.5236621,0.2179597,0.1475023,0.004334044,0.003406817],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7488755,0.0001487298,0.2501279,0.0000526072,0.00006100017,0.0001758868,0.00001217266,0.0001594433,0.0003867619],"genre_scores_gemma":[0.9963473,0.00003684571,0.002285016,0.0001969716,0.0009165693,0.0000155112,0.0001444752,0.000044457,0.00001282602],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5779502,"threshold_uncertainty_score":0.8238444,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01121246182882124,"score_gpt":0.2790889821723179,"score_spread":0.2678765203434966,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}