{"id":"W4407572763","doi":"10.1117/12.3047309","title":"A Monte Carlo-based assessment of a SPECT/CT system with a single photon counting detector: a feasibility study","year":2025,"lang":"en","type":"article","venue":"","topic":"Medical Imaging Techniques and Applications","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria","funders":"","keywords":"Monte Carlo method; Detector; Single-photon emission computed tomography; Photon counting; Photon; Physics; Medical physics; Computer science; Nuclear medicine; Optics; Medicine; Statistics; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001549944,0.0004970498,0.0005299554,0.0006522758,0.0003573319,0.0009007238,0.0009613255,0.0009258051,0.001532273],"category_scores_gemma":[0.003783796,0.000394548,0.0005276288,0.0005029732,0.0003832341,0.0006825539,0.0003993069,0.0003029321,0.0002773897],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008172779,"about_ca_system_score_gemma":0.001164342,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005018725,"about_ca_topic_score_gemma":0.002837304,"domain_scores_codex":[0.9993632,0.000253235,0.00004007722,0.00007189457,0.0002217203,0.00004994154],"domain_scores_gemma":[0.9975008,0.001333324,0.0001847782,0.000230823,0.0006425045,0.0001077945],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001951373,0.0006010542,0.02084159,0.0005116898,0.0001325016,0.001086993,0.0002214094,0.8388318,0.08937445,0.004625366,0.0005212735,0.04130059],"study_design_scores_gemma":[0.00003416433,0.0007393089,0.002892174,0.00001770445,0.00003904435,0.0002638332,0.00003977022,0.9821051,0.01289028,0.0003224971,0.000620333,0.00003562998],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7521653,0.001076094,0.2372946,0.0002717715,0.00003839442,0.0005546536,0.0002238503,0.0009616775,0.007413699],"genre_scores_gemma":[0.9378258,0.0002054609,0.06122181,0.00002048092,0.000005473479,0.00008519964,0.00007253509,0.00005135617,0.0005119019],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005018725,"threshold_uncertainty_score":0.00997901,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03143616335983556,"score_gpt":0.355314889992516,"score_spread":0.3238787266326804,"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."}}