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| author | skal <pascal.massimino@gmail.com> | 2026-02-13 23:40:30 +0100 |
|---|---|---|
| committer | skal <pascal.massimino@gmail.com> | 2026-02-13 23:40:30 +0100 |
| commit | 25044d63057cdb134cc3930bb67b178cff1aebb4 (patch) | |
| tree | bf00411b0af159ef090dc9cffbd8c6dd793f1cff /doc/CNN_V2_DEBUG_TOOLS.md | |
| parent | 87a27bf022d7fba68e3a945ee29c854c6e1ae2d7 (diff) | |
CNN v2: Fix Layer 0 visualization scale (was 0.5, now 1.0)
Layer 0 output is clamped [0,1], does not need 0.5 dimming.
Middle layers (ReLU) keep 0.5 scale for values >1.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Diffstat (limited to 'doc/CNN_V2_DEBUG_TOOLS.md')
| -rw-r--r-- | doc/CNN_V2_DEBUG_TOOLS.md | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/CNN_V2_DEBUG_TOOLS.md b/doc/CNN_V2_DEBUG_TOOLS.md index 0185dac..b6dc65f 100644 --- a/doc/CNN_V2_DEBUG_TOOLS.md +++ b/doc/CNN_V2_DEBUG_TOOLS.md @@ -102,7 +102,17 @@ Load in HTML tool or cnn_test - output should match input (RGB only, ignoring st ## Known Issues -**Current mismatch:** HTML tool and cnn_test produce different outputs for same input/weights. +### ~~Layer 0 Visualization Scale~~ [FIXED] + +**Issue:** Layer 0 output displayed at 0.5× brightness (divided by 2). + +**Cause:** Line 1530 used `vizScale = 0.5` for all CNN layers, but Layer 0 is clamped [0,1] and doesn't need dimming. + +**Fix:** Use scale 1.0 for Layer 0 output (layerIdx=1), 0.5 only for middle layers (ReLU, unbounded). + +### Remaining Mismatch + +**Current:** HTML tool and cnn_test produce different outputs for same input/weights. **Suspects:** 1. F16 unpacking difference (CPU vs GPU vs JS) |