{"id":"W2098001620","doi":"","title":"Visibility Maintenance of a Moving Segment Observer inside Polygons with Holes","year":2010,"lang":"en","type":"article","venue":"","topic":"Computational Geometry and Mesh Generation","field":"Computer Science","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Visibility; Visibility graph; Polygon (computer graphics); Star-shaped polygon; Observer (physics); Point in polygon; Preprocessor; Line segment; Rectilinear polygon; Combinatorics; Computer science; Mathematics; Line (geometry); Computer vision; Artificial intelligence; Simple polygon; Regular polygon; Geometry; Optics; Physics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002154003,0.00006847581,0.00008323842,0.00005377585,0.00005055216,0.0000394153,0.000244208,0.00002384942,0.00002454034],"category_scores_gemma":[0.00003852649,0.00004989962,0.00002913622,0.0002943288,0.00004710611,0.0003006074,0.0001050304,0.00008248225,0.000008275942],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001068637,"about_ca_system_score_gemma":0.00009344911,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000415927,"about_ca_topic_score_gemma":0.0002428217,"domain_scores_codex":[0.9993052,0.00001914656,0.0001461688,0.0002228738,0.0001913389,0.0001152417],"domain_scores_gemma":[0.9993547,0.00006158201,0.00006048283,0.0003317489,0.0001411609,0.00005027924],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.00003785468,0.0004174529,0.02841979,0.00004388945,0.00004585012,0.00001126331,0.00114265,0.01187398,0.19426,0.6745675,0.0007568472,0.08842296],"study_design_scores_gemma":[0.001050333,0.0003159033,0.5473713,0.00004668926,0.00001078501,0.00005336325,0.0001050987,0.2274165,0.2055634,0.01609233,0.001538776,0.0004354301],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5318334,0.00000606255,0.4666747,0.0002938471,0.00009092932,0.00005680752,5.959013e-7,0.00003112445,0.001012598],"genre_scores_gemma":[0.8164215,7.261668e-7,0.1830732,0.00017755,0.00002204925,0.000003762117,0.000001334578,0.000002024232,0.0002978458],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6584752,"threshold_uncertainty_score":0.2034847,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01197934006190837,"score_gpt":0.2305946490096595,"score_spread":0.2186153089477511,"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."}}