Even though the iPhone has had a camera system in recent years, that doesn't mean it won't fail at certain times. Due to the nature of the optics and flash systems technology, when taking a picture with the flash, there will be a defect in the image that creates red-eye for the subject. Now Apple has managed to file a patent in which they promise to remove this. We tell you!
It has been a specialized news medium Obviously Apple who echoes the registered document. The patent is titled “Image Capture Systems Using Adjustable Illumination.” When red-eye occurs in photographs, it is due to light projected by the flash system.
Until now, all iPhone cameras have been characterized by incorporating a standard flash light system, which, if directly affected by the human eye, causes the red-eye effect. But what happens if we play with Flash so we can modify it? In many cases lighting is key to obtaining optimal results. That is where they can intervene to correct the defect.
Apple's new system to eliminate red-eye
In the images they share of the document, the new layout of the flash system is seen. Now we will find a phone that has a full flash module, which is made up of light source and a Depth sensor.
As for the construction of the camera module, it has a layout similar to that of the iPhone Pro model: an island with three lenses, but with the addition of a flash light and a depth sensor.
But why is this last sensor necessary? The depth sensor of the flash module tells the iPhone the distance and position we are from the person we want to photograph.
In particular, Pay attention to the person's face and eye position. This way, once the device knows the distance from the subject, it will adjust the flash light so that it can capture the scene (and the person) but then not emit more flashes. Eventually results in red eyes.
Overall, the flash system can determine not only depth, but the entire area of the person's eye that falls within the field of light surrounding the image. This way, By detecting the light around the eye, the person's position and depth, a set of instructions is generated that translates into a dynamic flash light.When taking a photo with a phone, it changes depending on the environment.
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