{"launch_date":"2025-05-23","avg_timestamp_last_100_labels":"2026-06-06T05:30:46.164Z","km_explored":69.45775102329611,"km_explored_no_overlap":61.7073953712959,"km_explored_multiple_users":2.3116493736007877,"km_explored_single_user":59.395745997695116,"km_explorable":50.6012485434382,"km_by_status":{"open":50.6012485434382,"no_imagery":186.4643340240088,"closed":981.1062024642514,"disabled":0},"user_counts":{"all_users":48,"labelers":31,"validators":32,"registered":22,"anonymous":20,"turker":0,"researcher":5},"labels":{"label_count":3209,"label_count_with_severity":2447,"avg_label_timestamp":"2025-09-20T10:12:31.471107-07:00","avg_age_of_image_when_labeled":"1085 days","stddev_label_timestamp":"97 days","stddev_age_of_image_when_labeled":"279 days","CurbRamp":{"count":119,"count_with_severity":93,"severity_mean":1.7419354838709677,"severity_sd":0.7926733222409005},"NoCurbRamp":{"count":223,"count_with_severity":209,"severity_mean":2.8086124401913874,"severity_sd":0.47202763123803454},"Obstacle":{"count":1281,"count_with_severity":1199,"severity_mean":2.4403669724770642,"severity_sd":0.7248776527542626},"SurfaceProblem":{"count":910,"count_with_severity":860,"severity_mean":2.2011627906976745,"severity_sd":0.7303489503659886},"Other":{"count":2,"count_with_severity":0,"severity_mean":null,"severity_sd":null},"Occlusion":{"count":13,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"NoSidewalk":{"count":562,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"Crosswalk":{"count":93,"count_with_severity":86,"severity_mean":1.7093023255813953,"severity_sd":0.8659069243524888},"Signal":{"count":6,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"combined":{"total_validations":5169,"Overall":{"validated":1951,"agreed":1166,"disagreed":785,"accuracy":0.5976422347514095,"has_a_validation":2769},"CurbRamp":{"validated":81,"agreed":20,"disagreed":61,"accuracy":0.24691358024691357,"has_a_validation":119},"NoCurbRamp":{"validated":166,"agreed":109,"disagreed":57,"accuracy":0.6566265060240963,"has_a_validation":223},"Obstacle":{"validated":927,"agreed":560,"disagreed":367,"accuracy":0.6040992448759439,"has_a_validation":1281},"SurfaceProblem":{"validated":574,"agreed":377,"disagreed":197,"accuracy":0.6567944250871081,"has_a_validation":910},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":131,"agreed":58,"disagreed":73,"accuracy":0.44274809160305345,"has_a_validation":142},"Crosswalk":{"validated":72,"agreed":42,"disagreed":30,"accuracy":0.5833333333333334,"has_a_validation":93},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":1}},"human":{"total_validations":2331,"Overall":{"validated":1771,"agreed":1156,"disagreed":615,"accuracy":0.652738565782044,"has_a_validation":1905},"CurbRamp":{"validated":55,"agreed":23,"disagreed":32,"accuracy":0.41818181818181815,"has_a_validation":68},"NoCurbRamp":{"validated":159,"agreed":124,"disagreed":35,"accuracy":0.779874213836478,"has_a_validation":170},"Obstacle":{"validated":852,"agreed":596,"disagreed":256,"accuracy":0.6995305164319249,"has_a_validation":911},"SurfaceProblem":{"validated":530,"agreed":322,"disagreed":208,"accuracy":0.6075471698113207,"has_a_validation":569},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":131,"agreed":58,"disagreed":73,"accuracy":0.44274809160305345,"has_a_validation":142},"Crosswalk":{"validated":44,"agreed":33,"disagreed":11,"accuracy":0.75,"has_a_validation":44},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":1}},"ai":{"total_validations":2838,"Overall":{"validated":773,"agreed":293,"disagreed":480,"accuracy":0.37904269081500647,"has_a_validation":2626},"CurbRamp":{"validated":75,"agreed":10,"disagreed":65,"accuracy":0.13333333333333333,"has_a_validation":119},"NoCurbRamp":{"validated":151,"agreed":64,"disagreed":87,"accuracy":0.423841059602649,"has_a_validation":223},"Obstacle":{"validated":222,"agreed":0,"disagreed":222,"accuracy":0,"has_a_validation":1281},"SurfaceProblem":{"validated":266,"agreed":192,"disagreed":74,"accuracy":0.7218045112781954,"has_a_validation":910},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Crosswalk":{"validated":59,"agreed":27,"disagreed":32,"accuracy":0.4576271186440678,"has_a_validation":93},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0}}},"ai_stats":{"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":12,"ai_yes_human_differs":0,"ai_no_human_differs":6,"ai_no_human_concurs":7},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":1}},"Overall":{"human_majority_vote":{"ai_yes_human_concurs":123,"ai_yes_human_differs":62,"ai_no_human_differs":122,"ai_no_human_concurs":129},"admin_majority_vote":{"ai_yes_human_concurs":2,"ai_yes_human_differs":0,"ai_no_human_differs":3,"ai_no_human_concurs":4}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":73,"ai_yes_human_differs":51,"ai_no_human_differs":15,"ai_no_human_concurs":21},"admin_majority_vote":{"ai_yes_human_concurs":1,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}},"Obstacle":{"human_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":46,"ai_no_human_concurs":65},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":3}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":35,"ai_yes_human_differs":9,"ai_no_human_differs":45,"ai_no_human_concurs":12},"admin_majority_vote":{"ai_yes_human_concurs":1,"ai_yes_human_differs":0,"ai_no_human_differs":1,"ai_no_human_concurs":0}},"CurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":3,"ai_yes_human_differs":2,"ai_no_human_differs":10,"ai_no_human_concurs":24},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":2,"ai_no_human_concurs":0}}}}