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Instead of perturbing each pixel in the input image at random, we can choose to dither by a predetermined amount depending on the pixel’s position in the image. This can be achieved using a threshold map; a small, fixed-size matrix where each entry tells us the amount by which to perturb the input value , producing the dithered value . This matrix is tiled across the input image and sampled for every pixel during the dithering process. The following describes a dithering function for a 4×4 matrix given the pixel raster coordinates :，这一点在Line官方版本下载中也有详细论述
入门级 MacBook：多方消息显示，苹果正在测试搭载 A 系列芯片的低价 MacBook 方案，目标价位或下探至 600 美元区间；，详情可参考服务器推荐
这份指南总结了在 macOS 环境下（特别是针对权限受限或 Node.js 版本过低的情况）部署 OpenClaw 的最佳实践。