{"id":"W4415567898","doi":"10.1190/geo-2024-0548","title":"Angle-domain least-squares Kirchhoff migration with angle-dependent L1 regularization","year":2025,"lang":"en","type":"article","venue":"Geophysics","topic":"Numerical methods in inverse problems","field":"Mathematics","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Hessian matrix; Regularization (linguistics); Inverse problem; Seismic migration; Inverse; Inverse scattering problem; Wavelet","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":[0.0005278962,0.0009827665,0.0004555825,0.0004184479,0.0004236422,0.0005766095,0.0007843755,0.0009248732,0.00141596],"category_scores_gemma":[0.001411975,0.0003468741,0.0006152593,0.0005920144,0.0004625551,0.0008286861,0.0006675966,0.0009511291,0.0005885465],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003640109,"about_ca_system_score_gemma":0.0009218117,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003770662,"about_ca_topic_score_gemma":0.003331678,"domain_scores_codex":[0.9997018,0.00006740602,0.00002066395,0.00006192247,0.0001280108,0.00002024921],"domain_scores_gemma":[0.9995462,0.0001234034,0.00005876044,0.00006276272,0.0001890263,0.00001983024],"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":[0.000158754,0.0001094154,0.002186223,0.0002523963,0.00007399217,0.0002044976,0.0003320514,0.6995526,0.0612738,0.0162635,0.003345981,0.2162469],"study_design_scores_gemma":[0.000006792843,0.00001900973,0.000133621,0.000005851085,0.000004251834,0.0000275514,0.00001793867,0.9933656,0.004300745,0.0008406685,0.001266274,0.00001169983],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.01278942,0.00009131799,0.9855326,0.0000994849,0.00004591188,0.00003150648,0.00003040806,0.0002879759,0.001091422],"genre_scores_gemma":[0.1827682,0.000190753,0.813078,0.00008378866,0.00004615112,0.0001013083,0.0001855849,0.000157562,0.003388667],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.003770662,"threshold_uncertainty_score":0.00749743,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02719983289177721,"score_gpt":0.2984577439113457,"score_spread":0.2712579110195685,"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."}}