Duan Leksi · Feb 22, 2026 Watermark Inversion — Removing a Semi-Transparent Star A geophysics-inspired approach to image watermark removal Before / After The inversion recovers the original background pixel-by-pixel — no healing brush, no bl... Image Processing 4 min read
Duan Leksi · Feb 14, 2026 How Four Numbers Can Paint a Nebula At first glance, the images look like deep-space photography—vast, swirling nebulae of violet, electric blue, and gold. But these cosmic clouds weren't captured... Digital Art 8 min read
