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lightcraft/docs
Claude a45c2b661b M11.1: decode EOS R7 C-RAW (odd-height CRX QP map)
An odd-height adaptive QP map (EOS R7: 4732 sensor rows, 1183 QP rows)
was rejected as unsupported, so R7 C-RAW files opened from their embedded
JPEG. The map decodes to the exact end of its entropy stream; the last
row of the second-level high-frequency bands has no partner row and its
QP is used alone. Even-height maps never reach this rule, so the six
verified M50/R100/R8 fixtures are unchanged.

Checked on paired R7 RAW and C-RAW captures (ISO 100 and 6400): all
six C-RAW files decode, developed images match their RAW counterparts
visually, and ISO 6400 sensor means agree within 0.1%.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Gs6roPby7THvteijZwptQt
2026-10-09 07:38:24 +00:00
..
2026-10-09 00:14:03 +00:00
2026-10-08 20:20:17 +00:00
2026-10-08 20:20:17 +00:00