FirstFT: the day's biggest stories
习题链接：LeetCode 1475. 商品折扣后的最终价格
。关于这个话题，搜狗输入法2026提供了深入分析
Greyscale rendering is deliberate. Gupta et al. (2023, “GlyphNet”) found that greyscale outperforms colour for glyph comparison because extreme contrast preserves edge detail through resize. No image augmentation either: flipping or rotating characters creates unrealistic glyphs.
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