{"launch_date":"2025-02-07","avg_timestamp_last_100_labels":"2026-03-27T03:14:24.950Z","km_explored":27.44304736216925,"km_explored_no_overlap":14.970444288846528,"user_counts":{"all_users":57,"labelers":35,"validators":41,"registered":27,"anonymous":28,"turker":0,"researcher":1},"labels":{"label_count":1768,"label_count_with_severity":1667,"avg_label_timestamp":"2025-12-19T09:26:09.055971-08:00","avg_age_of_image_when_labeled":"2003 days","CurbRamp":{"count":998,"count_with_severity":972,"severity_mean":1.199588477366255,"severity_sd":0.46646537251974673},"NoCurbRamp":{"count":87,"count_with_severity":80,"severity_mean":2.1125,"severity_sd":0.7793822610636962},"Obstacle":{"count":72,"count_with_severity":64,"severity_mean":1.84375,"severity_sd":0.8768404680152521},"SurfaceProblem":{"count":305,"count_with_severity":291,"severity_mean":1.5601374570446735,"severity_sd":0.7327265908253068},"Other":{"count":0,"count_with_severity":0,"severity_mean":null,"severity_sd":null},"Occlusion":{"count":0,"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":268,"count_with_severity":260,"severity_mean":1.6730769230769231,"severity_sd":0.8681661728681346},"Signal":{"count":15,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"total_validations":3652,"Overall":{"validated":1545,"agreed":1366,"disagreed":179,"accuracy":0.8841423948220065,"has_a_validation":1716},"CurbRamp":{"validated":943,"agreed":909,"disagreed":34,"accuracy":0.9639448568398727,"has_a_validation":993},"NoCurbRamp":{"validated":73,"agreed":40,"disagreed":33,"accuracy":0.547945205479452,"has_a_validation":84},"Obstacle":{"validated":55,"agreed":24,"disagreed":31,"accuracy":0.43636363636363634,"has_a_validation":72},"SurfaceProblem":{"validated":252,"agreed":226,"disagreed":26,"accuracy":0.8968253968253969,"has_a_validation":304},"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":215,"agreed":161,"disagreed":54,"accuracy":0.7488372093023256,"has_a_validation":256},"Signal":{"validated":7,"agreed":6,"disagreed":1,"accuracy":0.8571428571428571,"has_a_validation":7}},"ai_stats":{"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":67,"ai_yes_human_differs":0,"ai_no_human_differs":24,"ai_no_human_concurs":11},"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":677,"ai_yes_human_differs":15,"ai_no_human_differs":38,"ai_no_human_concurs":40},"admin_majority_vote":{"ai_yes_human_concurs":125,"ai_yes_human_differs":0,"ai_no_human_differs":7,"ai_no_human_concurs":4}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":95,"ai_yes_human_differs":5,"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":4},"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":25,"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":490,"ai_yes_human_differs":4,"ai_no_human_differs":7,"ai_no_human_concurs":3},"admin_majority_vote":{"ai_yes_human_concurs":64,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}}}}