{"launch_date":"2025-02-07","avg_timestamp_last_100_labels":"2026-05-03T04:17:32.239Z","km_explored":29.643766161682173,"km_explored_no_overlap":14.893032720102253,"km_explored_multiple_users":11.227960240108336,"km_explored_single_user":3.665072479993917,"km_explorable":14.67053516888443,"km_by_status":{"open":14.67053516888443,"no_imagery":195.23701488784786,"closed":12466.624045956385,"disabled":0},"user_counts":{"all_users":67,"labelers":42,"validators":47,"registered":31,"anonymous":34,"turker":0,"researcher":1},"labels":{"label_count":1864,"label_count_with_severity":1757,"avg_label_timestamp":"2025-12-26T09:30:15.595502-08:00","avg_age_of_image_when_labeled":"2009 days","stddev_label_timestamp":"119 days","stddev_age_of_image_when_labeled":"1161 days","CurbRamp":{"count":1052,"count_with_severity":1025,"severity_mean":1.2068292682926829,"severity_sd":0.4720221160589623},"NoCurbRamp":{"count":91,"count_with_severity":82,"severity_mean":2.1219512195121952,"severity_sd":0.776033661966198},"Obstacle":{"count":78,"count_with_severity":69,"severity_mean":1.7826086956521738,"severity_sd":0.8722783759886469},"SurfaceProblem":{"count":326,"count_with_severity":312,"severity_mean":1.5256410256410255,"severity_sd":0.7212771626227543},"Other":{"count":0,"count_with_severity":0,"severity_mean":null,"severity_sd":null},"Occlusion":{"count":2,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"NoSidewalk":{"count":23,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"Crosswalk":{"count":277,"count_with_severity":269,"severity_mean":1.6802973977695168,"severity_sd":0.8606349101320369},"Signal":{"count":15,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"combined":{"total_validations":4169,"Overall":{"validated":1667,"agreed":1449,"disagreed":218,"accuracy":0.8692261547690462,"has_a_validation":1831},"CurbRamp":{"validated":1003,"agreed":969,"disagreed":34,"accuracy":0.9661016949152542,"has_a_validation":1052},"NoCurbRamp":{"validated":78,"agreed":43,"disagreed":35,"accuracy":0.5512820512820513,"has_a_validation":91},"Obstacle":{"validated":63,"agreed":25,"disagreed":38,"accuracy":0.3968253968253968,"has_a_validation":78},"SurfaceProblem":{"validated":277,"agreed":233,"disagreed":44,"accuracy":0.8411552346570397,"has_a_validation":326},"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":239,"agreed":173,"disagreed":66,"accuracy":0.7238493723849372,"has_a_validation":277},"Signal":{"validated":7,"agreed":6,"disagreed":1,"accuracy":0.8571428571428571,"has_a_validation":7}},"human":{"total_validations":2307,"Overall":{"validated":1137,"agreed":973,"disagreed":164,"accuracy":0.8557607739665787,"has_a_validation":1199},"CurbRamp":{"validated":624,"agreed":610,"disagreed":14,"accuracy":0.9775641025641025,"has_a_validation":638},"NoCurbRamp":{"validated":77,"agreed":41,"disagreed":36,"accuracy":0.5324675324675324,"has_a_validation":80},"Obstacle":{"validated":63,"agreed":25,"disagreed":38,"accuracy":0.3968253968253968,"has_a_validation":75},"SurfaceProblem":{"validated":208,"agreed":155,"disagreed":53,"accuracy":0.7451923076923077,"has_a_validation":234},"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":158,"agreed":136,"disagreed":22,"accuracy":0.8607594936708861,"has_a_validation":165},"Signal":{"validated":7,"agreed":6,"disagreed":1,"accuracy":0.8571428571428571,"has_a_validation":7}},"ai":{"total_validations":1862,"Overall":{"validated":1445,"agreed":1284,"disagreed":161,"accuracy":0.8885813148788927,"has_a_validation":1824},"CurbRamp":{"validated":949,"agreed":913,"disagreed":36,"accuracy":0.9620653319283456,"has_a_validation":1052},"NoCurbRamp":{"validated":68,"agreed":41,"disagreed":27,"accuracy":0.6029411764705882,"has_a_validation":91},"Obstacle":{"validated":5,"agreed":0,"disagreed":5,"accuracy":0,"has_a_validation":78},"SurfaceProblem":{"validated":214,"agreed":208,"disagreed":6,"accuracy":0.9719626168224299,"has_a_validation":326},"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":209,"agreed":122,"disagreed":87,"accuracy":0.583732057416268,"has_a_validation":277},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0}}},"ai_stats":{"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":72,"ai_yes_human_differs":0,"ai_no_human_differs":25,"ai_no_human_concurs":18},"admin_majority_vote":{"ai_yes_human_concurs":27,"ai_yes_human_differs":0,"ai_no_human_differs":7,"ai_no_human_concurs":2}},"Overall":{"human_majority_vote":{"ai_yes_human_concurs":762,"ai_yes_human_differs":23,"ai_no_human_differs":39,"ai_no_human_concurs":51},"admin_majority_vote":{"ai_yes_human_concurs":131,"ai_yes_human_differs":0,"ai_no_human_differs":7,"ai_no_human_concurs":4}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":116,"ai_yes_human_differs":13,"ai_no_human_differs":1,"ai_no_human_concurs":3},"admin_majority_vote":{"ai_yes_human_concurs":33,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":1}},"Obstacle":{"human_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":5},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":28,"ai_yes_human_differs":6,"ai_no_human_differs":6,"ai_no_human_concurs":19},"admin_majority_vote":{"ai_yes_human_concurs":1,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":1}},"CurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":546,"ai_yes_human_differs":4,"ai_no_human_differs":7,"ai_no_human_concurs":6},"admin_majority_vote":{"ai_yes_human_concurs":70,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}}}}