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 :
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知情人士透露，Unity Software已委托专业顾问团队协助评估中国业务的潜在买家兴趣。作为全球游戏开发领域的核心工具提供商，Unity在中国市场拥有广泛用户基础，其引擎被广泛应用于手游、端游及虚拟现实（VR）内容开发。
The design choices have performance implications. Here are benchmarks from the reference implementation of this possible alternative compared to Web streams (Node.js v24.x, Apple M1 Pro, averaged over 10 runs):