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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Establish your brand's visual identity with logos, colors and fonts across multiple Brand Kits。WPS官方版本下载对此有专业解读