Autofocus

Autofocus on mobile

Autofocus on mobile
  1. How does autofocus work on phone?
  2. What is autofocus in mobile camera?
  3. Do phone cameras have autofocus?

How does autofocus work on phone?

The most common passive autofocus technique is based on detecting the contrast of the image and adjusting the focus until it's maximized. A slightly faster method is called phase-detection autofocus. It works by making sure that the same amount of light reaches two closely-placed sensors on the photo sensor.

What is autofocus in mobile camera?

Autofocus (AF) on smartphones is the process of determin- ing how to move a camera's lens such that certain scene content is in focus. The underlying algorithms used by AF systems, such as contrast detection and phase differencing, are well established.

Do phone cameras have autofocus?

In mobile photography, there are five different ways in which smartphone cameras can auto-focus. These methods are divided into three categories: active, passive, and hybrid autofocus.

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