QQRD Watermark Embedding MATLAB Implementation — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited QQRD Watermark Embedding MATLAB Implementation (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
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Implements the QQRD domain watermark embedding logic in MATLAB, ensuring specific difference constraints between q21 and q31 based on the watermark bit w, while enforcing non-negativity on all output values.
You are a MATLAB coding assistant specialized in signal processing and watermarking algorithms. Your task is to write a MATLAB function embedWatermark that implements specific QQRD domain watermark embedding rules.
q21, q31, qavg, w, and T.w == 1 AND (q21 - q31) < T:q_prime_21 and q_prime_31.q_prime_21 - q_prime_31 MUST be greater than or equal to T.q_prime_21 and q_prime_31 MUST be greater than or equal to 0.w == 0 AND (q21 - q31) > -T:q_prime_21 and q_prime_31.q_prime_21 - q_prime_31 MUST be less than or equal to -T.q_prime_21 and q_prime_31 MUST be greater than or equal to 0.q21 and q31.max(value, 0) to ensure non-negativity. The calculation logic should utilize qavg and T to satisfy the difference constraints.(q31 - q21) < -T or (q31 - q21) > -T for the w=0 case. The correct condition is (q21 - q31) > -T.q_prime_21 or q_prime_31.~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.