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TAV: less aggressive deadzonning

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minjaesong
2025-10-07 15:27:55 +09:00
parent 581b270c31
commit 3c9441e67f
2 changed files with 112 additions and 45 deletions
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CLAUDE.md
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@@ -196,10 +196,10 @@ Peripheral memories can be accessed using `vm.peek()` and `vm.poke()` functions,
**CRITICAL IMPLEMENTATION NOTES**:
**Wavelet Coefficient Layout**:
- TAV uses **linear subband layout** in memory: `[LL, LH, HL, HH, LH, HL, HH, ...]` for each decomposition level
- TAV uses **2D Spatial Layout** in memory: `[LL, LH, HL, HH, LH, HL, HH, ...]` for each decomposition level
- **Forward transform must output**: `temp[0...half-1] = low-pass`, `temp[half...length-1] = high-pass`
- **Inverse transform must expect**: Same linear layout and exactly reverse forward operations
- **Common mistake**: Assuming interleaved or 2D spatial layout leads to grid/checkerboard artifacts
- **Inverse transform must expect**: Same 2D spatial layout and exactly reverse forward operations
- **Common mistake**: Assuming linear layout leads to grid/checkerboard artifacts
**Wavelet Implementation Pattern**:
- All wavelets must follow the **exact same structure** as the working 5/3 implementation: