Datasets:
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{
"name": "9sys_+flux+f0",
"experiment_id": 18,
"lock_date": "2026-02-18",
"overall_eer": 4.44,
"mean_attack_eer": 3.09,
"worst_eer": 14.63,
"worst_attack": "A18",
"per_attack_eer": {
"A07": 1.11,
"A08": 0.34,
"A09": 0.02,
"A10": 2.3,
"A11": 0.42,
"A12": 1.27,
"A13": 0.14,
"A14": 5.55,
"A15": 2.36,
"A16": 1.17,
"A17": 11.48,
"A18": 14.63,
"A19": 0.38
},
"architecture": "9 classifiers (3 codecs x 3 core features: LFCC/CQCC/MGDCC). Each classifier's input = core_feature(360-dim) + spectral_flux(12-dim) + f0_trajectory(24-dim) = 396-dim. Per-system StandardScaler, LogisticRegression(C=0.1, solver=lbfgs, max_iter=2000, seed=42). Min-max score normalization per system, avg_score fusion across 9 systems.",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory"
],
"baseline_role": "canonical",
"canonical": true
},
{
"name": "mega_all5",
"experiment_id": 18,
"lock_date": "2026-02-18",
"overall_eer": 4.7,
"mean_attack_eer": 3.04,
"worst_eer": 18.31,
"worst_attack": "A14",
"per_attack_eer": {
"A07": 0.78,
"A08": 0.26,
"A09": 0.0,
"A10": 1.85,
"A11": 0.32,
"A12": 0.95,
"A13": 0.09,
"A14": 18.31,
"A15": 1.99,
"A16": 0.8,
"A17": 5.73,
"A18": 8.06,
"A19": 0.42
},
"architecture": "3 mega-classifiers (1 per codec). Each classifier's input = LFCC(360) + CQCC(360) + MGDCC(360) + spectral_flux(12) + f0_trajectory(24) = 1116-dim. Per-codec StandardScaler, LogisticRegression(C=0.1, solver=lbfgs, max_iter=2000, seed=42). Min-max score normalization per codec, avg_score fusion across 3 codecs.",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory"
],
"baseline_role": "canonical",
"canonical": true
},
{
"name": "delta_pareto_9sys",
"experiment_id": 20,
"lock_date": "2026-02-19",
"overall_eer": 4.15,
"mean_attack_eer": 2.76,
"worst_eer": 12.33,
"worst_attack": "A17",
"per_attack_eer": {
"A07": 0.68,
"A08": 0.22,
"A09": 0.01,
"A10": 2.9,
"A11": 0.29,
"A12": 0.82,
"A13": 0.08,
"A14": 3.7,
"A15": 2.3,
"A16": 0.78,
"A17": 12.33,
"A18": 8.4,
"A19": 0.28
},
"architecture": "9 classifiers (3 codecs x 3 core features: LFCC/CQCC/MGDCC). Each classifier's input = delta(static+\u0394+\u0394\u0394, 1080-dim) + spectral_flux(12-dim) + f0_trajectory(24-dim) = 1116-dim. Per-system StandardScaler, LogisticRegression(C=0.1, solver=lbfgs, max_iter=2000, seed=42). Min-max score normalization per system, Pareto-weighted avg_score fusion (wideband=1.5, g711_ulaw=1.5, amr_nb=1.0).",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory"
],
"baseline_role": "canonical",
"canonical": true
},
{
"name": "exp37b_blend_1500d",
"experiment_id": 37,
"lock_date": "2026-02-22",
"overall_eer": 3.13,
"mean_attack_eer": 1.91,
"worst_eer": 9.88,
"worst_attack": "A17",
"per_attack_eer": {
"A07": 0.56,
"A08": 0.7,
"A09": 0.0,
"A10": 1.45,
"A11": 0.0,
"A12": 0.5,
"A13": 0.0,
"A14": 1.78,
"A15": 1.82,
"A16": 0.7,
"A17": 9.88,
"A18": 6.05,
"A19": 1.45
},
"architecture": "27 classifiers (3 codecs x 3 core features x 3 classifier types). Each classifier's input = delta(static+\u0394+\u0394\u0394, 1080-dim) + spectral_flux(12-dim) + f0_trajectory(24-dim) + IFCC_delta(360-dim) + HF/LF_comod(24-dim) = 1500-dim. Three classifier types per (codec, core_feature): (1) Standard LR(C=0.1, solver=lbfgs, max_iter=2000, seed=42); (2) OHEM-LR: two-pass LR with loss-based sample weights from pass-1 (cap=5.0); (3) Shallow LGBM(n_estimators=200, max_depth=4, learning_rate=0.05, subsample=0.8, colsample_bytree=0.8, seed=42). Per-system StandardScaler, min-max score normalization. Pareto-weighted avg_score per classifier type (wideband=1.5, g711_ulaw=1.5, amr_nb=1.0). 3-component blend: score = 0.66 \u00d7 OHEM + 0.04 \u00d7 LGBM + 0.30 \u00d7 LR.",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory",
"ifcc",
"hf_lf_comod"
],
"baseline_role": "canonical",
"canonical": true
},
{
"name": "exp40_cqcc_blend",
"experiment_id": 40,
"lock_date": "2026-02-24",
"overall_eer": 3.35,
"mean_attack_eer": 2.4,
"worst_eer": 7.53,
"worst_attack": "A17",
"per_attack_eer": {
"A07": 1.46,
"A08": 1.47,
"A09": 0.01,
"A10": 2.45,
"A11": 0.24,
"A12": 0.1,
"A13": 0.01,
"A14": 2.41,
"A15": 3.06,
"A16": 1.37,
"A17": 7.53,
"A18": 6.62,
"A19": 4.48
},
"architecture": "27 classifiers (3 codecs x 3 core features x 3 classifier types). Each classifier's input = delta(static+\u0394+\u0394\u0394, 1080-dim) + spectral_flux(12-dim) + f0_trajectory(24-dim) + IFCC_delta(360-dim) + HF/LF_comod(24-dim) = 1500-dim. Three classifier types per (codec, core_feature): (1) Standard LR(C=0.1, solver=lbfgs, max_iter=2000, seed=42); (2) OHEM-LR: two-pass LR with loss-based sample weights from pass-1 (cap=5.0); (3) Shallow LGBM(n_estimators=200, max_depth=4, learning_rate=0.05, subsample=0.8, colsample_bytree=0.8, seed=42). Per-system StandardScaler, min-max score normalization. CQCC-weighted Pareto fusion (CQCC=1.5, LFCC=0.75, MGDCC=0.25) with codec weights (wideband=1.5, g711_ulaw=1.5, amr_nb=1.0). 3-component blend: score = 0.60 \u00d7 OHEM + 0.16 \u00d7 LGBM + 0.24 \u00d7 LR.",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory",
"ifcc",
"hf_lf_comod"
],
"baseline_role": "canonical",
"canonical": true
},
{
"name": "exp44_scc_cqcc_blend",
"experiment_id": 44,
"lock_date": "2026-02-26",
"overall_eer": 3.48,
"mean_attack_eer": 2.54,
"worst_eer": 7.83,
"worst_attack": "A17",
"per_attack_eer": {
"A07": 2.15,
"A08": 1.88,
"A09": 0.02,
"A10": 2.62,
"A11": 0.13,
"A12": 0.14,
"A13": 0.14,
"A14": 2.65,
"A15": 2.9,
"A16": 1.85,
"A17": 7.83,
"A18": 5.25,
"A19": 5.5
},
"architecture": "27 classifiers (3 codecs x 3 core features x 3 classifier types). Each classifier's input = delta(static+\u0394+\u0394\u0394, 1080-dim) + spectral_flux(12-dim) + f0_trajectory(24-dim) + IFCC_delta(360-dim) + HF/LF_comod(24-dim) + SCC_delta(360-dim) = 1860-dim. SCC = wavelet scattering transform (J=2, Q=10, order=2) \u2192 log \u2192 DCT (20 coeffs). Three classifier types per (codec, core_feature): (1) Standard LR(C=0.1, solver=lbfgs, max_iter=2000, seed=42); (2) OHEM-LR: two-pass LR with loss-based sample weights from pass-1 (cap=5.0); (3) Shallow LGBM(n_estimators=200, max_depth=4, learning_rate=0.05, subsample=0.8, colsample_bytree=0.8, seed=42). Per-system StandardScaler, Platt-calibrated scores (LogisticRegression on 1D). CQCC-weighted Pareto fusion (CQCC=2.5, LFCC=0.5, MGDCC=0.25, strong-B) with codec weights (wideband=1.5, g711_ulaw=1.5, amr_nb=1.0). 3-component blend: score = 0.47 \u00d7 OHEM + 0.15 \u00d7 LGBM + 0.38 \u00d7 LR.",
"codecs": [
"wideband",
"g711_ulaw",
"amr_nb"
],
"feature_types": [
"lfcc",
"cqcc",
"mgdcc",
"spectral_flux",
"f0_trajectory",
"ifcc",
"hf_lf_comod",
"scc_delta"
],
"baseline_role": "canonical",
"canonical": true
}
] |