Apple's new patent for iPhone camera could reduce or eliminate red-eye effect

IT Home News on March 8, according to a list recently announced by the United States Trademark and Patent Office (USPTO), Apple has obtained a patent for the iPhone camera, with the goal of eliminating the red-eye phenomenon.

1. "Red Eye" phenomenon: The axis of the flash is too close to the axis of the lens. After the pupil is enlarged, the flash shines on the fundus of the eye, and the capillaries reflect red light spots.

Apple patent:

1. Scene target recognition: Identify the target area in the scene.
2. Spatial adjustment lighting curve: Adjust the lighting curve of the camera flash module according to the target area.
3. Red Eye Removal: Eliminate or reduce the "red eye" effect in images.

Apple pointed out:

1. When the light is insufficient, the flash module illuminates the scene to facilitate image capture.
2. Flash lighting may produce artifacts such as the "red-eye" effect.

3. The patent is designed to reduce these artifacts by adjusting the flash module.

   

   1. In the patent example, Apple introduced a device with a flash module, which includes:
   • A luminous array composed of multiple illuminants
   • for imaging the illuminant array into lighting The lens assembly of the area
   • A flash controller for controlling multiple light emitters to produce light

4. The flash controller is configured to:

   • determine that a portion of the user's face, including the user's eyes, is located within the lighting area
   • Select a first set of light emitters from multiple light emitters associated with the eye part
   • Select a second set of light emitters from multiple light emitters associated with the area around the eye part

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