在少子化與高齡化的趨勢下，台灣各類勞力密集的工作多由外籍移工承擔。目前台灣有超過50萬名「產業移工」，是外籍勞動人口的最大宗，其次為家庭看護工。
Uniform regions (solid backgrounds, smooth gradients) get stored as large blocks. Detailed regions (edges, textures) get subdivided into smaller blocks. You end up with a compressed representation that preserves detail where it exists and simplifies where it can.
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Posted on Feb 26, 2026 by
Another way to approach the linear combination is to look at it geometrically. This is where the idea of barycentric coordinates can help. A barycentric coordinate system describes the location of a point as the weighted sum of the regular coordinates of the vertices forming a simplex. In other words, it describes a linear combination with respect to a set of points, where in -dimensional space.