{"launch_date":"2024-04-10","avg_timestamp_last_100_labels":"2026-04-02T14:53:16.095Z","km_explored":759.1812421041146,"km_explored_no_overlap":736.9488213227655,"user_counts":{"all_users":139,"labelers":82,"validators":105,"registered":58,"anonymous":75,"turker":0,"researcher":5},"labels":{"label_count":62400,"label_count_with_severity":47943,"avg_label_timestamp":"2025-03-09T11:22:46.560361-07:00","avg_age_of_image_when_labeled":"876 days","CurbRamp":{"count":13759,"count_with_severity":13515,"severity_mean":1.5480577136514984,"severity_sd":0.6731458902754608},"NoCurbRamp":{"count":2689,"count_with_severity":2593,"severity_mean":2.8225993058233705,"severity_sd":0.46828245434992233},"Obstacle":{"count":3472,"count_with_severity":3388,"severity_mean":2.051357733175915,"severity_sd":0.8506868227466909},"SurfaceProblem":{"count":28116,"count_with_severity":27725,"severity_mean":1.6994409377817854,"severity_sd":0.7646147676061608},"Other":{"count":10,"count_with_severity":8,"severity_mean":2.75,"severity_sd":0.7071067811865476},"Occlusion":{"count":1570,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"NoSidewalk":{"count":9455,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"Crosswalk":{"count":2296,"count_with_severity":714,"severity_mean":1.484593837535014,"severity_sd":0.7493152855861294},"Signal":{"count":1033,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"total_validations":53568,"Overall":{"validated":33679,"agreed":32233,"disagreed":1446,"accuracy":0.9570652335283114,"has_a_validation":42666},"CurbRamp":{"validated":10503,"agreed":10166,"disagreed":337,"accuracy":0.967913929353518,"has_a_validation":11802},"NoCurbRamp":{"validated":2128,"agreed":1808,"disagreed":320,"accuracy":0.849624060150376,"has_a_validation":2499},"Obstacle":{"validated":1025,"agreed":822,"disagreed":203,"accuracy":0.8019512195121952,"has_a_validation":3057},"SurfaceProblem":{"validated":18261,"agreed":17928,"disagreed":333,"accuracy":0.9817644159684573,"has_a_validation":23137},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":2,"agreed":0,"disagreed":2,"accuracy":0,"has_a_validation":13},"NoSidewalk":{"validated":25,"agreed":24,"disagreed":1,"accuracy":0.96,"has_a_validation":25},"Crosswalk":{"validated":1563,"agreed":1322,"disagreed":241,"accuracy":0.8458093410108766,"has_a_validation":1955},"Signal":{"validated":172,"agreed":163,"disagreed":9,"accuracy":0.9476744186046512,"has_a_validation":178}},"ai_stats":{"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":194,"ai_yes_human_differs":4,"ai_no_human_differs":54,"ai_no_human_concurs":32},"admin_majority_vote":{"ai_yes_human_concurs":91,"ai_yes_human_differs":0,"ai_no_human_differs":30,"ai_no_human_concurs":16}},"Overall":{"human_majority_vote":{"ai_yes_human_concurs":3986,"ai_yes_human_differs":147,"ai_no_human_differs":231,"ai_no_human_concurs":119},"admin_majority_vote":{"ai_yes_human_concurs":1696,"ai_yes_human_differs":18,"ai_no_human_differs":122,"ai_no_human_concurs":68}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":1778,"ai_yes_human_differs":58,"ai_no_human_differs":26,"ai_no_human_concurs":2},"admin_majority_vote":{"ai_yes_human_concurs":755,"ai_yes_human_differs":5,"ai_no_human_differs":14,"ai_no_human_concurs":1}},"Obstacle":{"human_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":17,"ai_no_human_concurs":24},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":11,"ai_no_human_concurs":22}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":508,"ai_yes_human_differs":63,"ai_no_human_differs":76,"ai_no_human_concurs":44},"admin_majority_vote":{"ai_yes_human_concurs":187,"ai_yes_human_differs":11,"ai_no_human_differs":28,"ai_no_human_concurs":25}},"CurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":1506,"ai_yes_human_differs":22,"ai_no_human_differs":58,"ai_no_human_concurs":17},"admin_majority_vote":{"ai_yes_human_concurs":663,"ai_yes_human_differs":2,"ai_no_human_differs":39,"ai_no_human_concurs":4}}}}