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Run summary · P1.B.F Stage 2 (M3 brush conv 30 dB gate)
lego-brushcompat-base-30k
P1.B.F Stage 2 brush 互換 30k — gt_convention=premultiplied、refine 期間 brush 流
partial pass
01
設定
- dataset
- /Users/otkrickey/dev/3dgs-workspace/datasets/nerf_synthetic/lego
- gt_convention
- Premultiplied
- iterations
- 30,000
- seed
- 42
- capacity
- 1,000,000 splats
- sh_degree
- 3
- loss
- L1Ssim
- lambda
- 0.200
- ssim
- window=7 sigma=1
- backend.backward
- Simd
- backend.loss_path
- Gpu
02
結果
Val PSNR
35.18dB
Wallclock
1h 2m 18s
Final splats
846,689
Final loss
5.371257e-3
03
3D ビューワー
学習結果 PLY を .splat 形式に変換し、antimatter15/splat の WebGL ビューワーで対話表示。
04
推移
Loss curve — 反復ごとの training loss
Splat count — refine の発火と最終構成
05
中間ログ抜粋
| iter | 本 run loss |
|---|---|
| 1 | 5.9384e-1 |
| 1,000 | 5.0796e-2 |
| 2,000 | 1.6062e-2 |
| 3,000 | 1.0123e-2 |
| 4,000 | 8.6032e-3 |
| 5,000 | 7.8309e-3 |
| 6,000 | 7.2045e-3 |
| 7,000 | 6.8810e-3 |
| 8,000 | 6.6944e-3 |
| 9,000 | 6.5198e-3 |
| 10,000 | 6.3813e-3 |
| 11,000 | 6.3607e-3 |
| 12,000 | 6.1076e-3 |
| 13,000 | 5.9970e-3 |
| 14,000 | 5.9302e-3 |
| 15,000 | 5.8899e-3 |
| 16,000 | 5.8427e-3 |
| 17,000 | 5.7478e-3 |
| 18,000 | 5.7351e-3 |
| 19,000 | 5.6591e-3 |
| 20,000 | 5.5781e-3 |
| 21,000 | 5.4945e-3 |
| 22,000 | 5.5668e-3 |
| 23,000 | 5.4612e-3 |
| 24,000 | 5.4832e-3 |
| 25,000 | 5.4543e-3 |
| 26,000 | 5.4471e-3 |
| 27,000 | 5.4041e-3 |
| 28,000 | 5.3396e-3 |
| 29,000 | 5.3285e-3 |
| 30,000 | 5.3713e-3 |
06
関連 finding
この run を related_runs に含む finding (Positive / Negative どちらも)。
- positiveP1.D Stage 2 — Lego brushcompat + opacity decay 30k = 36.106 dB、splats -56% / wallclock -32%Δ PSNR +0.92 dB vs baseline 30k (35.184 → 36.106)Δ -32% vs baseline 30k (1h 02m 18s → 41m 54s)2026-05-25
- positiveP1.B+F Stage 2 — Lego 30k brushcompat で 35.184 dB、brush 自身を +3.20 dB 上回りΔ PSNR +10.30 dB vs legacy 30k (24.879 → 35.184、convention 変更後の真の現状)Δ +2.7x vs legacy 30k (1h 2m 18s vs 22m18s、splats 10x で per-iter time 増、ただし brush 自身 282k より 3 倍多い)2026-05-24
- mixedP1 test split subset eval — Lego brushcompat 30k で test 33.315 dB (n=36)、brush 37.40 dB と -4.09 dB2026-05-24