04 · Crop and advance

05 · Map to the scene

Target: desk

The desk box is selected in the complete scene.

(120, 140)Desk origin in the scene

Target: drawer

Only the accepted desk crop is searched for the drawer.

(90, 80)Drawer origin in the desk

Target: black handle

The drawer crop supplies the context for finding the black handle.

(200, 90)–(320, 120)Handle box inside the drawer

Handle in the full scene

Crop origins are added to recover the handle position in the original image.

(410, 310)–(530, 340)Handle box in the original scene

05 · Original top-left = (120, 140) + (90, 80) + (200, 90) = (410, 310)