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Diffstat (limited to 'doc/CNN_V2.md')
| -rw-r--r-- | doc/CNN_V2.md | 54 |
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diff --git a/doc/CNN_V2.md b/doc/CNN_V2.md index b0aa24c..e56b022 100644 --- a/doc/CNN_V2.md +++ b/doc/CNN_V2.md @@ -32,6 +32,60 @@ Input RGBD → Static Features Compute → CNN Layers → Output RGBA └─ computed once/frame ─┘ └─ multi-pass ─┘ ``` +**Detailed Data Flow:** + +``` + ┌─────────────────────────────────────────┐ + │ Static Features (computed once) │ + │ 8D: p0,p1,p2,p3,uv_x,uv_y,sin10x,bias │ + └──────────────┬──────────────────────────┘ + │ + │ 8D (broadcast to all layers) + ├───────────────────────────┐ + │ │ + ┌──────────────┐ │ │ + │ Input RGBD │──────────────┤ │ + │ 4D │ 4D │ │ + └──────────────┘ │ │ + ▼ │ + ┌────────────┐ │ + │ Layer 0 │ (12D input) │ + │ (CNN) │ = 4D + 8D │ + │ 12D → 4D │ │ + └─────┬──────┘ │ + │ 4D output │ + │ │ + ├───────────────────────────┘ + │ │ + ▼ │ + ┌────────────┐ │ + │ Layer 1 │ (12D input) │ + │ (CNN) │ = 4D + 8D │ + │ 12D → 4D │ │ + └─────┬──────┘ │ + │ 4D output │ + │ │ + ├───────────────────────────┘ + ▼ │ + ... │ + │ │ + ▼ │ + ┌────────────┐ │ + │ Layer N │ (12D input) │ + │ (output) │◄──────────────────┘ + │ 12D → 4D │ + └─────┬──────┘ + │ 4D (RGBA) + ▼ + Output +``` + +**Key Points:** +- Static features computed once, broadcast to all CNN layers +- Each layer: previous 4D output + 8D static → 12D input → 4D output +- Ping-pong buffering between layers +- Layer 0 special case: uses input RGBD instead of previous layer output + **Static Features Texture:** - Name: `static_features` - Format: `texture_storage_2d<rgba32uint, write>` (4×u32) |