quick-start SR uses showcase config (cfg 2.5 + bicubic warm start)

README.md

@@ -89,9 +89,14 @@ dino    = hf_hub_download("MVRL/genesis", "dinov3_vitl16_pretrain_sat493m-eadcf0
 tile = fetch_tile_at_zoom(lon=151.2153, lat=-33.8568, zoom=16)   # one real 256×256 tile
 tile.save(f"{out}/01_original_tile.png")
 
-# SR: z16 parent → 512×512 mosaic of its four z17 children (50 steps, cfg 1.0)
+# SR: z16 parent → 512×512 mosaic of its four z17 children.
+# Showcase config = the paper's pyramid-engine SR settings (cfg 2.5 + bicubic
+# warm start); the engine reads `cfg_scale`, so set the attribute (not args.cfg).
 tile.save(f"{out}/02_sr_input.png")
 sr_model, _ = load_sr_denoiser(sr_ckpt, "JiT-H/16", dino_weights=dino, device=device)
+sr_model.cfg_scale = 2.5
+sr_model.args.bicubic_init = True
+sr_model.args.bicubic_init_t_start = 0.4
 run_superresolution(sr_model, tile, device, target_zoom=17).save(f"{out}/03_sr_output.png")
 
 # OP: keep the upper-left quadrant real, outpaint the other three (white = hole)