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→Lookup Table（LUT）
Line 650:
Line 650:
Related command：lutenable,lut.
Related command：lutenable,lut.
+
+==== OSD Overlay ====
+Certain camera modules perform an OSD overlay function after the ISP process.
+
+* Mode 1:
+
+Overlay a square cross at the center of the image with both width and height of 150 pixels, and a stroke width of 2 pixels. This is used for coordinate calibration.
+
+Related command: osdmode
===IO Control===
===IO Control===