The "red-eye effect" occurs when the camera flash hits the retina of a person's eye and the light is reflected from the blood vessels in the eye, resulting in a red tint in the eyes in photos. "Red-eye effect correction" refers to the process of removing this unwanted effect from digital images.
Typical functions of software in the "red-eye effect correction" area include:
Automatic detection: The software automatically detects red eyes in the images and marks them for correction.
Manual correction: Ability for users to manually identify and correct the red-eye effect by selecting a specific area.
Adjustment options: Various settings for correction, such as intensity of correction, size of correction area, and color adjustments.
Batch processing: Ability to correct red eyes in multiple images simultaneously to reduce workload.
Preview function: Preview of changes before final application to ensure corrections are satisfactory.