{"id":"W4399760043","doi":"10.32920/26052412","title":"Remote Physiological Signal Acquisition and Analysis: Contactless Photoplethysmography and Specular Reflection Vascular Imaging","year":2024,"lang":"en","type":"preprint","venue":"","topic":"Non-Invasive Vital Sign Monitoring","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Toronto Metropolitan University; Queen's University","funders":"","keywords":"Photoplethysmogram; Specular reflection; SIGNAL (programming language); Reflection (computer programming); Remote sensing; Specular highlight; Computer science; Computer vision; Optics; Geography; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000717804,0.0006137745,0.000464175,0.0004374439,0.0001431981,0.001054439,0.0007123211,0.001004819,0.002935161],"category_scores_gemma":[0.001879953,0.0002898703,0.0004293396,0.0004231643,0.0003513643,0.0007966008,0.0007137144,0.0007617315,0.001609968],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000155127,"about_ca_system_score_gemma":0.0003494886,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002506748,"about_ca_topic_score_gemma":0.0003063909,"domain_scores_codex":[0.9992878,0.0001330212,0.00003574628,0.0002283955,0.0002634852,0.00005153299],"domain_scores_gemma":[0.9994844,0.0001926971,0.0000673069,0.0001084365,0.0001157616,0.00003131883],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0005083953,0.0001400477,0.002099012,0.0006363496,0.00007319178,0.0004010076,0.0002553456,0.002767256,0.5606691,0.003184056,0.002267394,0.4269989],"study_design_scores_gemma":[0.000174966,0.00197864,0.02909238,0.0002674003,0.0001878137,0.007215397,0.0002526705,0.1677705,0.7353034,0.004658489,0.05289834,0.0002001067],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.06230843,0.002982677,0.9268962,0.0003434168,0.0002572196,0.0003288075,0.0002867899,0.001701632,0.004894709],"genre_scores_gemma":[0.3913101,0.004334957,0.5902045,0.0006858959,0.0006435512,0.0007290306,0.0008351398,0.0005634458,0.01069332],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.002935161,"threshold_uncertainty_score":0.00981915,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01142429346012318,"score_gpt":0.2415051574283687,"score_spread":0.2300808639682455,"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."}}