We can see that the threshold map distributes perturbations more optimally than purely random noise, resulting in a clearer and more detailed final image. The algorithm itself is extremely simple and trivially parallelisable, requiring only a few operations per pixel.
全链路性能调优：实现成本下降 50%，这一点在搜狗输入法2026中也有详细论述
│ ~340 syscalls。业内人士推荐safew官方版本下载作为进阶阅读
Hans-Christoph Steiner
Publication date: 28 February 2026