Three-dimensional image sensor

摘要

An integrated image sensor capable of determining the distance to objects contained in a scene including at least a set of first pixels and a set of second pixels, the first and second pixels being alternately distributed in an array, the first pixels having a different angular aperture than the second pixels.

主权项

1. An integrated image sensor capable of determining the distance to at least one object contained in a scene, the sensor comprising
at least a set of first pixels and a set of second pixels, the first and second pixels being alternately distributed in an array, the first pixels having a different angular aperture than the second pixels, the sensor being configured to compare a first sub-image obtained by the set of first pixels with a second sub-image obtained by the set of second pixels, and the sensor being configured to determine a size difference between at least one object of the scene contained in the first and second sub-images and to deduce therefrom the distance to the at least one object, wherein the angular aperture of each first pixel denotes a maximum angle between two beams of non-zero incidence passing through an optical axis of a first microlens associated with said first pixel to reach a photodetection area of said first pixel, wherein the angular aperture of each second pixel denotes a maximum angle between two beams of non-zero incidence passing through an optical axis of a second microlens associated with said second pixel to reach a photodetection area of said second pixel.