{"id":"W2161239058","doi":"10.1109/iecon.1999.822187","title":"Presenter tracking in a classroom environment","year":2003,"lang":"en","type":"article","venue":"","topic":"Video Analysis and Summarization","field":"Computer Science","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"McGill University","keywords":"Computer science; Tracking (education); Multimedia; Psychology; Pedagogy","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":[0.0001605398,0.00004039426,0.00005645287,0.0000591972,0.00001964236,0.00006239974,0.0001441743,0.00001865435,0.0001214437],"category_scores_gemma":[0.00001252082,0.00003330178,0.00002771348,0.0001308838,0.000004731738,0.0002381113,0.00003027451,0.00003410394,0.00005142335],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002083298,"about_ca_system_score_gemma":0.0000068384,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001326317,"about_ca_topic_score_gemma":0.00003063444,"domain_scores_codex":[0.9994619,0.00005091726,0.0001150179,0.0001578719,0.0001120747,0.0001021531],"domain_scores_gemma":[0.9997451,0.00001422464,0.00001762332,0.0001954997,0.000004380243,0.00002313433],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000001729916,0.0003294204,0.3709856,0.00000579126,0.00002498269,0.00002748461,0.0009425796,0.007478993,0.002230298,0.5441914,0.001440443,0.07234135],"study_design_scores_gemma":[0.00114378,0.00007488015,0.1159894,0.00001945523,0.00001065759,0.000008774929,0.0001521251,0.7301751,0.01141726,0.02566189,0.11483,0.000516683],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.0104206,0.00003165056,0.9692557,0.000354789,0.00003108561,0.00003961652,4.10318e-8,0.00001729192,0.01984924],"genre_scores_gemma":[0.9842193,0.00001164121,0.01427615,0.0001847102,0.000004759862,0.000003537808,4.358606e-7,0.000001777407,0.001297768],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9737986,"threshold_uncertainty_score":0.1358007,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0144633129876329,"score_gpt":0.2253801290754998,"score_spread":0.2109168160878669,"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."}}