Face Detection

Detects faces and applies targeted enhancements to portrait regions. Required for Face Reconstruction, Red-Eye Removal, and Adaptive Face Flash.

Example

Before

After

Parameters

Parameter	Section	Value	Default	Description
FDmode	Config	0 – 3	1	Mode selection (see below)
fdstrength	Gpars	0.0 – 1.0	0.5	Detection sensitivity — higher values detect smaller faces at the cost of processing time

Modes

Value	Description
0 — Off	No face detection
1 — Normal	Face detection with landmarks
2 — Full analysis	Adds age estimation, blink detection, emotion recognition (SDK only)
3 — Blur faces	Blurs each detected face region for privacy protection

Recommended: Mode 1 for standard production. Increase fdstrength (e.g. 0.7 – 1.0) for group shots with small faces.