{"launch_date":"2024-04-10","km_explored":1131.8392649787024,"km_explored_no_overlap":913.3177422541536,"km_explored_multiple_users":64.15475728024724,"km_explored_single_user":849.1629849739063,"km_needs_reaudit":549.6151579488807,"km_explorable":1767.363551489167,"km_by_status":{"open":1767.363551489167,"no_imagery":52.69309341584505,"closed":0,"disabled":0.32791812443514284},"user_counts":{"all_users":181,"labelers":104,"validators":140,"registered":86,"anonymous":86,"turker":0,"researcher":8},"labels":{"count":79643,"count_with_severity":59337,"avg_label_timestamp":"2025-06-30T17:36:25.616123-07:00","avg_timestamp_last_100_labels":"2026-10-30T15:05:49.142Z","avg_age_of_image_when_labeled":"815 days","stddev_label_timestamp":"297 days","stddev_age_of_image_when_labeled":"883 days","CurbRamp":{"count":17583,"count_with_severity":17266,"severity_mean":1.553689331634426,"severity_stddev":0.6573661999645031},"NoCurbRamp":{"count":3520,"count_with_severity":3405,"severity_mean":2.7280469897209985,"severity_stddev":0.5549085294462386},"Obstacle":{"count":4226,"count_with_severity":4126,"severity_mean":2.016723218613669,"severity_stddev":0.846790174420266},"SurfaceProblem":{"count":33946,"count_with_severity":33435,"severity_mean":1.7061163451473007,"severity_stddev":0.7589922575997008},"Crosswalk":{"count":2927,"count_with_severity":1092,"severity_mean":1.4587912087912087,"severity_stddev":0.7184523571865025},"Signal":{"count":1364,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"NoSidewalk":{"count":14338,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Occlusion":{"count":1723,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Other":{"count":16,"count_with_severity":13,"severity_mean":2.230769230769231,"severity_stddev":0.9268086959962983}},"validations":{"combined":{"total_validations":103404,"Overall":{"validated":54641,"agreed":52698,"disagreed":1943,"accuracy":0.9644406215113194,"has_a_validation":62283},"CurbRamp":{"validated":16103,"agreed":15785,"disagreed":318,"accuracy":0.9802521269328697,"has_a_validation":17463},"NoCurbRamp":{"validated":3254,"agreed":3029,"disagreed":225,"accuracy":0.9308543331284573,"has_a_validation":3514},"Obstacle":{"validated":3878,"agreed":3471,"disagreed":407,"accuracy":0.8950489943269727,"has_a_validation":4218},"SurfaceProblem":{"validated":28333,"agreed":27614,"disagreed":719,"accuracy":0.9746232308615396,"has_a_validation":33712},"Crosswalk":{"validated":2623,"agreed":2367,"disagreed":256,"accuracy":0.9024018299656882,"has_a_validation":2912},"Signal":{"validated":383,"agreed":369,"disagreed":14,"accuracy":0.9634464751958225,"has_a_validation":387},"NoSidewalk":{"validated":64,"agreed":62,"disagreed":2,"accuracy":0.96875,"has_a_validation":65},"Occlusion":{"validated":3,"agreed":1,"disagreed":2,"accuracy":0.3333333333333333,"has_a_validation":12},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}},"human":{"total_validations":40587,"Overall":{"validated":32226,"agreed":30630,"disagreed":1596,"accuracy":0.9504747719232918,"has_a_validation":33062},"CurbRamp":{"validated":8861,"agreed":8786,"disagreed":75,"accuracy":0.9915359440243765,"has_a_validation":8946},"NoCurbRamp":{"validated":3154,"agreed":2958,"disagreed":196,"accuracy":0.937856689917565,"has_a_validation":3312},"Obstacle":{"validated":3890,"agreed":3486,"disagreed":404,"accuracy":0.8961439588688946,"has_a_validation":4180},"SurfaceProblem":{"validated":13674,"agreed":12952,"disagreed":722,"accuracy":0.9471990639169227,"has_a_validation":13916},"Crosswalk":{"validated":2197,"agreed":2016,"disagreed":181,"accuracy":0.9176149294492489,"has_a_validation":2244},"Signal":{"validated":383,"agreed":369,"disagreed":14,"accuracy":0.9634464751958225,"has_a_validation":387},"NoSidewalk":{"validated":64,"agreed":62,"disagreed":2,"accuracy":0.96875,"has_a_validation":65},"Occlusion":{"validated":3,"agreed":1,"disagreed":2,"accuracy":0.3333333333333333,"has_a_validation":12},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}},"ai":{"total_validations":62817,"Overall":{"validated":45502,"agreed":43471,"disagreed":2031,"accuracy":0.95536459935827,"has_a_validation":61465},"CurbRamp":{"validated":14971,"agreed":14405,"disagreed":566,"accuracy":0.9621935742435375,"has_a_validation":17303},"NoCurbRamp":{"validated":2839,"agreed":2314,"disagreed":525,"accuracy":0.8150757308911588,"has_a_validation":3482},"Obstacle":{"validated":126,"agreed":19,"disagreed":107,"accuracy":0.15079365079365079,"has_a_validation":4200},"SurfaceProblem":{"validated":25340,"agreed":24935,"disagreed":405,"accuracy":0.984017363851618,"has_a_validation":33585},"Crosswalk":{"validated":2226,"agreed":1798,"disagreed":428,"accuracy":0.8077268643306379,"has_a_validation":2895},"Signal":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"NoSidewalk":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}}},"ai_stats":{"Overall":{"human_majority_vote":{"ai_yes_maj_vote_concurs":20508,"ai_yes_maj_vote_differs":361,"ai_no_maj_vote_differs":1023,"ai_no_maj_vote_concurs":321},"admin_majority_vote":{"ai_yes_maj_vote_concurs":2760,"ai_yes_maj_vote_differs":27,"ai_no_maj_vote_differs":164,"ai_no_maj_vote_concurs":84}},"CurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":7207,"ai_yes_maj_vote_differs":28,"ai_no_maj_vote_differs":270,"ai_no_maj_vote_concurs":26},"admin_majority_vote":{"ai_yes_maj_vote_concurs":1052,"ai_yes_maj_vote_differs":2,"ai_no_maj_vote_differs":53,"ai_no_maj_vote_concurs":4}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":2085,"ai_yes_maj_vote_differs":50,"ai_no_maj_vote_differs":359,"ai_no_maj_vote_concurs":99},"admin_majority_vote":{"ai_yes_maj_vote_concurs":271,"ai_yes_maj_vote_differs":14,"ai_no_maj_vote_differs":35,"ai_no_maj_vote_concurs":32}},"Obstacle":{"human_majority_vote":{"ai_yes_maj_vote_concurs":9,"ai_yes_maj_vote_differs":1,"ai_no_maj_vote_differs":62,"ai_no_maj_vote_concurs":41},"admin_majority_vote":{"ai_yes_maj_vote_concurs":0,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":14,"ai_no_maj_vote_concurs":27}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_maj_vote_concurs":9902,"ai_yes_maj_vote_differs":262,"ai_no_maj_vote_differs":126,"ai_no_maj_vote_concurs":26},"admin_majority_vote":{"ai_yes_maj_vote_concurs":1301,"ai_yes_maj_vote_differs":11,"ai_no_maj_vote_differs":21,"ai_no_maj_vote_concurs":3}},"Crosswalk":{"human_majority_vote":{"ai_yes_maj_vote_concurs":1305,"ai_yes_maj_vote_differs":20,"ai_no_maj_vote_differs":206,"ai_no_maj_vote_concurs":129},"admin_majority_vote":{"ai_yes_maj_vote_concurs":136,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":41,"ai_no_maj_vote_concurs":18}}}}