Distance detecting device, imaging apparatus, distance detecting method and parallax-amount detecting device

摘要

A distance detecting device includes a distance calculation unit configured to calculate a distance to a target of imaging based on a first signal corresponding to a luminous flux having passed through a first pupil region of an exit pupil in an imaging optical system, and a second signal corresponding to a luminous flux having passed through a second pupil region different from the first pupil region, and a signal processing unit configured to perform a filtering process on at least one of the first signal and the second signal by using a band pass filter having a lower number of cells in a first direction than a number of cells in a second direction perpendicular to the first direction, and a filter for phase correction having a higher number of cells in the first direction than the number of cells in the second direction.

主权项

1. A distance detecting device comprising:
a processor; and a memory containing instructions that, when executed by the processor, cause the processor to perform operations comprising: correcting at least one of first and second signals corresponding to first and second luminous fluxes passing through first and second pupil regions, respectively, of an exit pupil in an imaging optical system by using one of a band pass filter having a lower number of cells in a first direction than a number of cells in a second direction perpendicular to the first direction, and a phase correction filter having a higher number of cells in the first direction than the number of cells in the second direction; and calculating a distance to a target of imaging based on the corrected at least one of the first and second signals.