EventActivityNet / scales /scale_comparison.json
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{
"part_a_large_provenance_verification": {
"confirmed_by_code": {
"brightness_threshold_default": 0.4,
"class_ratio_default": 0.2,
"duration_stratification": "np.quantile(durations, [0.33, 0.66]) after class-balanced stage",
"event_enrichment_default": "int(len(selected_cls) * event_ratio), event_ratio default 0.1",
"event_friendly_definition": "any keyword in lower-cased captions OR first_frame_mean(video_path) < brightness_threshold",
"event_friendly_keywords_default": [
"run",
"fast",
"sprint",
"night",
"dark",
"slow-motion"
],
"minimum_per_class_rule": "max(5, int(class_ratio * class_count)) at class-balanced initial stage",
"seed_default": 2025,
"train_validation_merge_before_sampling": true
},
"confirmed_by_data": {
"candidate_pool_classes": 200,
"candidate_pool_videos": 14926,
"class_balanced_stage_reproduced_classes": 200,
"class_balanced_stage_reproduced_videos": 2908,
"final_large_classes_below_initial_min_rule_count": 54,
"final_large_classes_below_initial_min_rule_examples": [
{
"candidate_count": 76,
"class": "Swimming",
"delta_vs_initial_k": -9,
"initial_rule_k": 15,
"large_count": 6
},
{
"candidate_count": 72,
"class": "Shaving",
"delta_vs_initial_k": -8,
"initial_rule_k": 14,
"large_count": 6
},
{
"candidate_count": 103,
"class": "Baton twirling",
"delta_vs_initial_k": -7,
"initial_rule_k": 20,
"large_count": 13
},
{
"candidate_count": 70,
"class": "Cleaning windows",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 78,
"class": "Shoveling snow",
"delta_vs_initial_k": -6,
"initial_rule_k": 15,
"large_count": 9
},
{
"candidate_count": 70,
"class": "Table soccer",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 73,
"class": "Archery",
"delta_vs_initial_k": -5,
"initial_rule_k": 14,
"large_count": 9
},
{
"candidate_count": 68,
"class": "Clipping cat claws",
"delta_vs_initial_k": -5,
"initial_rule_k": 13,
"large_count": 8
},
{
"candidate_count": 63,
"class": "Volleyball",
"delta_vs_initial_k": -5,
"initial_rule_k": 12,
"large_count": 7
},
{
"candidate_count": 90,
"class": "Clean and jerk",
"delta_vs_initial_k": -4,
"initial_rule_k": 18,
"large_count": 14
}
],
"large_bucket_counts_using_original_sample_subset_caption_quantiles": {
"long": 1126,
"medium": 1059,
"short": 1078
},
"large_bucket_counts_using_release_src_fmt_dur_quantiles": {
"long": 1110,
"medium": 1076,
"short": 1077
},
"large_classes": 200,
"large_event_flags_consistent_with_keyword_or_dark_fields": true,
"large_event_friendly_ratio": 0.653079987741,
"large_matches_original_subset_list": true,
"large_split_counts": {
"train": 2316,
"validation": 947
},
"length_stage_reproduced_classes": 200,
"length_stage_reproduced_videos": 2888,
"sample_subset_duration_quantiles_seconds_caption_metadata": {
"q33": 76.3062,
"q66": 151.3234
}
},
"deviations_or_historical_inconsistencies": [
{
"affected_class_count": 54,
"all_affected_classes": [
{
"candidate_count": 73,
"class": "Archery",
"delta_vs_initial_k": -5,
"initial_rule_k": 14,
"large_count": 9
},
{
"candidate_count": 99,
"class": "Arm wrestling",
"delta_vs_initial_k": -1,
"initial_rule_k": 19,
"large_count": 18
},
{
"candidate_count": 103,
"class": "Baton twirling",
"delta_vs_initial_k": -7,
"initial_rule_k": 20,
"large_count": 13
},
{
"candidate_count": 78,
"class": "Beer pong",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 63,
"class": "Belly dance",
"delta_vs_initial_k": -1,
"initial_rule_k": 12,
"large_count": 11
},
{
"candidate_count": 73,
"class": "Braiding hair",
"delta_vs_initial_k": -1,
"initial_rule_k": 14,
"large_count": 13
},
{
"candidate_count": 62,
"class": "Bungee jumping",
"delta_vs_initial_k": -2,
"initial_rule_k": 12,
"large_count": 10
},
{
"candidate_count": 90,
"class": "Clean and jerk",
"delta_vs_initial_k": -4,
"initial_rule_k": 18,
"large_count": 14
},
{
"candidate_count": 53,
"class": "Cleaning sink",
"delta_vs_initial_k": -2,
"initial_rule_k": 10,
"large_count": 8
},
{
"candidate_count": 70,
"class": "Cleaning windows",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 68,
"class": "Clipping cat claws",
"delta_vs_initial_k": -5,
"initial_rule_k": 13,
"large_count": 8
},
{
"candidate_count": 76,
"class": "Cumbia",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 61,
"class": "Decorating the Christmas tree",
"delta_vs_initial_k": -3,
"initial_rule_k": 12,
"large_count": 9
},
{
"candidate_count": 70,
"class": "Drinking coffee",
"delta_vs_initial_k": -1,
"initial_rule_k": 14,
"large_count": 13
},
{
"candidate_count": 78,
"class": "Drum corps",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 72,
"class": "Fixing bicycle",
"delta_vs_initial_k": -2,
"initial_rule_k": 14,
"large_count": 12
},
{
"candidate_count": 77,
"class": "Fun sliding down",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 67,
"class": "Getting a piercing",
"delta_vs_initial_k": -1,
"initial_rule_k": 13,
"large_count": 12
},
{
"candidate_count": 76,
"class": "Grooming dog",
"delta_vs_initial_k": -4,
"initial_rule_k": 15,
"large_count": 11
},
{
"candidate_count": 63,
"class": "Grooming horse",
"delta_vs_initial_k": -3,
"initial_rule_k": 12,
"large_count": 9
},
{
"candidate_count": 70,
"class": "Having an ice cream",
"delta_vs_initial_k": -4,
"initial_rule_k": 14,
"large_count": 10
},
{
"candidate_count": 95,
"class": "Hitting a pinata",
"delta_vs_initial_k": -2,
"initial_rule_k": 19,
"large_count": 17
},
{
"candidate_count": 74,
"class": "Hula hoop",
"delta_vs_initial_k": -4,
"initial_rule_k": 14,
"large_count": 10
},
{
"candidate_count": 69,
"class": "Ironing clothes",
"delta_vs_initial_k": -1,
"initial_rule_k": 13,
"large_count": 12
},
{
"candidate_count": 51,
"class": "Laying tile",
"delta_vs_initial_k": -1,
"initial_rule_k": 10,
"large_count": 9
},
{
"candidate_count": 91,
"class": "Making a cake",
"delta_vs_initial_k": -1,
"initial_rule_k": 18,
"large_count": 17
},
{
"candidate_count": 44,
"class": "Making an omelette",
"delta_vs_initial_k": -4,
"initial_rule_k": 8,
"large_count": 4
},
{
"candidate_count": 60,
"class": "Painting",
"delta_vs_initial_k": -1,
"initial_rule_k": 12,
"large_count": 11
},
{
"candidate_count": 73,
"class": "Painting fence",
"delta_vs_initial_k": -2,
"initial_rule_k": 14,
"large_count": 12
},
{
"candidate_count": 60,
"class": "Plastering",
"delta_vs_initial_k": -1,
"initial_rule_k": 12,
"large_count": 11
},
{
"candidate_count": 110,
"class": "Playing drums",
"delta_vs_initial_k": -2,
"initial_rule_k": 22,
"large_count": 20
},
{
"candidate_count": 66,
"class": "Playing racquetball",
"delta_vs_initial_k": -3,
"initial_rule_k": 13,
"large_count": 10
},
{
"candidate_count": 75,
"class": "Playing saxophone",
"delta_vs_initial_k": -4,
"initial_rule_k": 15,
"large_count": 11
},
{
"candidate_count": 61,
"class": "Polishing shoes",
"delta_vs_initial_k": -2,
"initial_rule_k": 12,
"large_count": 10
},
{
"candidate_count": 81,
"class": "Preparing pasta",
"delta_vs_initial_k": -2,
"initial_rule_k": 16,
"large_count": 14
},
{
"candidate_count": 51,
"class": "Raking leaves",
"delta_vs_initial_k": -1,
"initial_rule_k": 10,
"large_count": 9
},
{
"candidate_count": 55,
"class": "Removing curlers",
"delta_vs_initial_k": -1,
"initial_rule_k": 11,
"large_count": 10
},
{
"candidate_count": 83,
"class": "Riding bumper cars",
"delta_vs_initial_k": -4,
"initial_rule_k": 16,
"large_count": 12
},
{
"candidate_count": 75,
"class": "Sharpening knives",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 72,
"class": "Shaving",
"delta_vs_initial_k": -8,
"initial_rule_k": 14,
"large_count": 6
},
{
"candidate_count": 78,
"class": "Shoveling snow",
"delta_vs_initial_k": -6,
"initial_rule_k": 15,
"large_count": 9
},
{
"candidate_count": 72,
"class": "Skateboarding",
"delta_vs_initial_k": -2,
"initial_rule_k": 14,
"large_count": 12
},
{
"candidate_count": 97,
"class": "Slacklining",
"delta_vs_initial_k": -1,
"initial_rule_k": 19,
"large_count": 18
},
{
"candidate_count": 99,
"class": "Snowboarding",
"delta_vs_initial_k": -1,
"initial_rule_k": 19,
"large_count": 18
},
{
"candidate_count": 72,
"class": "Springboard diving",
"delta_vs_initial_k": -1,
"initial_rule_k": 14,
"large_count": 13
},
{
"candidate_count": 124,
"class": "Surfing",
"delta_vs_initial_k": -4,
"initial_rule_k": 24,
"large_count": 20
},
{
"candidate_count": 76,
"class": "Swimming",
"delta_vs_initial_k": -9,
"initial_rule_k": 15,
"large_count": 6
},
{
"candidate_count": 70,
"class": "Table soccer",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 73,
"class": "Tai chi",
"delta_vs_initial_k": -2,
"initial_rule_k": 14,
"large_count": 12
},
{
"candidate_count": 100,
"class": "Using parallel bars",
"delta_vs_initial_k": -2,
"initial_rule_k": 20,
"large_count": 18
},
{
"candidate_count": 63,
"class": "Volleyball",
"delta_vs_initial_k": -5,
"initial_rule_k": 12,
"large_count": 7
},
{
"candidate_count": 79,
"class": "Walking the dog",
"delta_vs_initial_k": -1,
"initial_rule_k": 15,
"large_count": 14
},
{
"candidate_count": 75,
"class": "Washing face",
"delta_vs_initial_k": -3,
"initial_rule_k": 15,
"large_count": 12
},
{
"candidate_count": 63,
"class": "Zumba",
"delta_vs_initial_k": -2,
"initial_rule_k": 12,
"large_count": 10
}
],
"interpretation": "sample_subset.py enforces max(5, int(class_ratio * class_count)) only during the initial class-balanced sampling stage. The later length-balancing stage samples globally from that pool and can reduce final per-class counts below the initial k.",
"issue": "final_large_not_constrained_by_initial_min_per_class_rule",
"most_underrepresented_examples": [
{
"candidate_count": 76,
"class": "Swimming",
"delta_vs_initial_k": -9,
"initial_rule_k": 15,
"large_count": 6
},
{
"candidate_count": 72,
"class": "Shaving",
"delta_vs_initial_k": -8,
"initial_rule_k": 14,
"large_count": 6
},
{
"candidate_count": 103,
"class": "Baton twirling",
"delta_vs_initial_k": -7,
"initial_rule_k": 20,
"large_count": 13
},
{
"candidate_count": 70,
"class": "Cleaning windows",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 78,
"class": "Shoveling snow",
"delta_vs_initial_k": -6,
"initial_rule_k": 15,
"large_count": 9
},
{
"candidate_count": 70,
"class": "Table soccer",
"delta_vs_initial_k": -6,
"initial_rule_k": 14,
"large_count": 8
},
{
"candidate_count": 73,
"class": "Archery",
"delta_vs_initial_k": -5,
"initial_rule_k": 14,
"large_count": 9
},
{
"candidate_count": 68,
"class": "Clipping cat claws",
"delta_vs_initial_k": -5,
"initial_rule_k": 13,
"large_count": 8
},
{
"candidate_count": 63,
"class": "Volleyball",
"delta_vs_initial_k": -5,
"initial_rule_k": 12,
"large_count": 7
},
{
"candidate_count": 90,
"class": "Clean and jerk",
"delta_vs_initial_k": -4,
"initial_rule_k": 18,
"large_count": 14
}
]
},
{
"interpretation": "The scale manifests use src_fmt_dur from verify_all.csv per the scale-construction requirement. sample_subset.py used metadata[v][\"duration\"] for its original length balancing.",
"issue": "release_scale_duration_buckets_use_src_fmt_dur_not_original_caption_metadata_duration"
},
{
"interpretation": "Local taxonomy/candidate/final files contain and preserve 200 classes; see audit/missing_classes_analysis.md.",
"issue": "class_count_claim_203_not_supported_by_local_sources"
}
],
"inferred": {
"medium_small_preserve_large_principles": "They preserve the Large release distribution by deterministic nested stratified selection over split, class, duration bucket, and event-friendly status; they are not original sample_subset.py outputs.",
"released_large_satisfies_original_principles": "Yes as the recovered output of those principles: it exactly matches subset_caps_20p.json, preserves all 200 local classes, and carries the expected event-friendly/duration/class-balanced structure. The final per-class counts are not guaranteed to remain >= the initial min rule after length balancing and event enrichment."
}
},
"part_b_scale_comparison": {
"published_paper_comparison": {
"caption_minus_published_hours": -0.347716666667,
"duration_field_comparison": [
{
"abs_diff_from_published_hours": 0.451651586944,
"diff_from_published_hours": -0.451651586944,
"field": "src_dur",
"hours": 106.848348413056,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
},
{
"abs_diff_from_published_hours": 0.358399618611,
"diff_from_published_hours": -0.358399618611,
"field": "src_fmt_dur",
"hours": 106.941600381389,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
},
{
"abs_diff_from_published_hours": 0.517909962778,
"diff_from_published_hours": -0.517909962778,
"field": "src_dur_est",
"hours": 106.782090037222,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
},
{
"abs_diff_from_published_hours": 0.514877834167,
"diff_from_published_hours": -0.514877834167,
"field": "dst_dur",
"hours": 106.785122165833,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
},
{
"abs_diff_from_published_hours": 0.360772981944,
"diff_from_published_hours": -0.360772981944,
"field": "dst_fmt_dur",
"hours": 106.939227018056,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
},
{
"abs_diff_from_published_hours": 0.518743268055,
"diff_from_published_hours": -0.518743268055,
"field": "dst_dur_est",
"hours": 106.781256731945,
"invalid_count": 0,
"missing_count": 0,
"valid_count": 3263
}
],
"interpretation": "The recovered Large IDs exactly match subset_caps_20p.json, so the observed 107.3 h discrepancy does not indicate a different historical subset. It is not explained solely by src_fmt_dur versus other local metadata fields; all local fields are around 106.78-106.95 h. Treat 107.3 h as an approximate/reporting duration unless another historical duration source is recovered.",
"published_large_hours": 107.3,
"release_large_caption_duration_hours_from_subset_caps_20p": 106.952283333333,
"release_large_src_fmt_dur_hours": 106.941600381389,
"src_fmt_minus_published_hours": -0.358399618611
},
"scales": {
"large": {
"average_duration_seconds": 117.986442345388,
"class_count": 200,
"class_counts": {
"Applying sunscreen": 17,
"Archery": 9,
"Arm wrestling": 18,
"Assembling bicycle": 13,
"BMX": 22,
"Baking cookies": 21,
"Ballet": 17,
"Bathing dog": 12,
"Baton twirling": 13,
"Beach soccer": 18,
"Beer pong": 12,
"Belly dance": 11,
"Blow-drying hair": 13,
"Blowing leaves": 17,
"Braiding hair": 13,
"Breakdancing": 19,
"Brushing hair": 16,
"Brushing teeth": 16,
"Building sandcastles": 16,
"Bullfighting": 22,
"Bungee jumping": 10,
"Calf roping": 23,
"Camel ride": 16,
"Canoeing": 30,
"Capoeira": 25,
"Carving jack-o-lanterns": 12,
"Changing car wheel": 16,
"Cheerleading": 22,
"Chopping wood": 22,
"Clean and jerk": 14,
"Cleaning shoes": 13,
"Cleaning sink": 8,
"Cleaning windows": 8,
"Clipping cat claws": 8,
"Cricket": 18,
"Croquet": 19,
"Cumbia": 12,
"Curling": 21,
"Cutting the grass": 18,
"Decorating the Christmas tree": 9,
"Disc dog": 27,
"Discus throw": 26,
"Dodgeball": 13,
"Doing a powerbomb": 26,
"Doing crunches": 15,
"Doing fencing": 23,
"Doing karate": 12,
"Doing kickboxing": 16,
"Doing motocross": 23,
"Doing nails": 13,
"Doing step aerobics": 19,
"Drinking beer": 12,
"Drinking coffee": 13,
"Drum corps": 12,
"Elliptical trainer": 22,
"Fixing bicycle": 12,
"Fixing the roof": 15,
"Fun sliding down": 12,
"Futsal": 24,
"Gargling mouthwash": 13,
"Getting a haircut": 18,
"Getting a piercing": 12,
"Getting a tattoo": 16,
"Grooming dog": 11,
"Grooming horse": 9,
"Hammer throw": 17,
"Hand car wash": 20,
"Hand washing clothes": 14,
"Hanging wallpaper": 17,
"Having an ice cream": 10,
"High jump": 15,
"Hitting a pinata": 17,
"Hopscotch": 17,
"Horseback riding": 17,
"Hula hoop": 10,
"Hurling": 18,
"Ice fishing": 12,
"Installing carpet": 11,
"Ironing clothes": 12,
"Javelin throw": 23,
"Kayaking": 22,
"Kite flying": 14,
"Kneeling": 21,
"Knitting": 13,
"Laying tile": 9,
"Layup drill in basketball": 19,
"Long jump": 21,
"Longboarding": 26,
"Making a cake": 17,
"Making a lemonade": 20,
"Making a sandwich": 17,
"Making an omelette": 4,
"Mixing drinks": 23,
"Mooping floor": 19,
"Mowing the lawn": 16,
"Paintball": 20,
"Painting": 11,
"Painting fence": 12,
"Painting furniture": 11,
"Peeling potatoes": 10,
"Ping-pong": 12,
"Plastering": 11,
"Plataform diving": 22,
"Playing accordion": 15,
"Playing badminton": 13,
"Playing bagpipes": 16,
"Playing beach volleyball": 11,
"Playing blackjack": 13,
"Playing congas": 25,
"Playing drums": 20,
"Playing field hockey": 20,
"Playing flauta": 14,
"Playing guitarra": 22,
"Playing harmonica": 17,
"Playing ice hockey": 18,
"Playing kickball": 15,
"Playing lacrosse": 23,
"Playing piano": 17,
"Playing polo": 13,
"Playing pool": 15,
"Playing racquetball": 10,
"Playing rubik cube": 19,
"Playing saxophone": 11,
"Playing squash": 19,
"Playing ten pins": 21,
"Playing violin": 18,
"Playing water polo": 23,
"Pole vault": 27,
"Polishing forniture": 11,
"Polishing shoes": 10,
"Powerbocking": 21,
"Preparing pasta": 14,
"Preparing salad": 23,
"Putting in contact lenses": 19,
"Putting on makeup": 19,
"Putting on shoes": 12,
"Rafting": 27,
"Raking leaves": 9,
"Removing curlers": 10,
"Removing ice from car": 23,
"Riding bumper cars": 12,
"River tubing": 18,
"Rock climbing": 16,
"Rock-paper-scissors": 17,
"Rollerblading": 16,
"Roof shingle removal": 13,
"Rope skipping": 20,
"Running a marathon": 32,
"Sailing": 16,
"Scuba diving": 20,
"Sharpening knives": 12,
"Shaving": 6,
"Shaving legs": 18,
"Shot put": 15,
"Shoveling snow": 9,
"Shuffleboard": 15,
"Skateboarding": 12,
"Skiing": 26,
"Slacklining": 18,
"Smoking a cigarette": 18,
"Smoking hookah": 13,
"Snatch": 22,
"Snow tubing": 20,
"Snowboarding": 18,
"Spinning": 16,
"Spread mulch": 8,
"Springboard diving": 13,
"Starting a campfire": 19,
"Sumo": 20,
"Surfing": 20,
"Swimming": 6,
"Swinging at the playground": 16,
"Table soccer": 8,
"Tai chi": 12,
"Tango": 16,
"Tennis serve with ball bouncing": 16,
"Throwing darts": 17,
"Trimming branches or hedges": 18,
"Triple jump": 26,
"Tug of war": 15,
"Tumbling": 16,
"Using parallel bars": 18,
"Using the balance beam": 29,
"Using the monkey bar": 15,
"Using the pommel horse": 14,
"Using the rowing machine": 19,
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},
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"all_scale_duration_source_src_fmt_dur": {
"large": [
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"medium": [
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},
"part_c_release_recommendation": {
"caveats": [
"Use 200 classes, not 203, for this recovered release.",
"Medium and Small are newly generated deterministic nested candidates; they are distribution-preserving derivatives of Large, not historical sample_subset.py outputs.",
"Authoritative scale durations use src_fmt_dur from verify_all.csv. The original subset file caption durations and all local verify_all duration fields are close but do not equal the paper statement of 107.3 h exactly.",
"The final Large list can have classes below the initial max(5, int(class_ratio * class_count)) seed-stage minimum because the original script did not enforce that constraint after length balancing."
],
"recommendation": "Suitable as candidate public release manifests after documenting caveats.",
"suitable_for_public_release": true
},
"status": "final_scaling_verification_audit"
}