Unverified50% confidenceFactExact time
QR 码规范定义了四个容错等级：L（7%）、M（15%）、Q（25%）和 H（30%）
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
Related Claims
UnverifiedAccording to the ISO/IEC 18004 standard, QR codes define 40 size levels ranging from Version 1 (21×21 modules) to Version 40 (177×177 modules), as well as four error correction levels: L, M, Q, and H.74% similarUnverifiedQ4_K_M has a perplexity approximately 0.1–0.3 lower than pure Q4.72% similarUnverifiedGGUF格式的Q4_K_M是最主流的平衡选择，困惑度损失通常低于1%；Q8_0几乎无精度损失但文件体积是Q4的两倍71% similarVerifiedGGUF量化格式（如Q4_K_M）通过将权重精度从32位浮点压缩到4位整数，通常只带来约1-5%的性能损失68% similarUnverifiedCommunity practice recommends prioritizing Q5 or Q6 quantization if capacity allows; Q4_K_M is the minimum acceptable baseline, and Q3 or below causes significant quality degradation and is not recommended for production use.68% similar
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