Imaging apparatus and method for suppressing influence of flicker occurring under an artificial light source
AssigneeCanon Kabushiki Kaisha
InventorNaoyuki Nakagawara
Life of this patent
Estimating the term…
Abstract
An imaging apparatus has a first mode in which a detection unit detects a light amount change characteristic from an object between first and second exposures of an imaging unit during a continuous shooting and a determination unit determines an exposure timing of the second exposure based on the detected light amount change characteristic.
Claims19
An imaging apparatus capable of continuous shooting for continuously obtaining a plurality of images in response to a predetermined operation of an instruction member, comprising:
- an image sensor;
- and
- at least one processor that executes instructions stored in at least one memory
- to detect flicker of a light;
- and
- to control an exposure timing of the image sensor during the continuous shooting so as to synchronize with a phase of the flicker based on a result of a detection of the flicker when the flicker is detected,
- wherein, the at least one processor controls the exposure timing of the image sensor during the continuous shooting so that intervals of the exposure timings of the continuous shooting when the flicker is not existing are shorter than intervals of the exposure timings of the continuous shooting when the flicker is existing, and
- wherein the at least one processor detects the phase of the flicker, and controls the exposure timing so that each exposure timing of the continuous shooting is synchronized with each feature point of the flicker, in a case where the flicker is detected.
A control method for an imaging apparatus which includes an image sensor and is capable of continuous shooting for continuously obtaining a plurality of images in response to a predetermined operation of an instruction member, the control method comprising:
- detecting flicker of a light,
- controlling an exposure timing of the image sensor during the continuous shooting so as to synchronize with a phase of the flicker when the flicker is detected,
- wherein, the controlling the exposure timing of the image sensor during the continuous shooting so that intervals of the exposure timings of the continuous shooting when flicker is not existing are shorter than intervals of the exposure timings of the continuous shooting when the flicker is existing, and
- wherein the phase of the flicker is detected, and the exposure timing is controlled so that each exposure timing of the continuous shooting is synchronized with each feature point of the flicker, in a case where the flicker is detected.
A non-transitory computer-readable storage medium storing a program for causing a computer to execute a method for controlling an image apparatus which includes an image sensor and is capable of continuous shooting for continuously obtaining a plurality of images in response to a predetermined operation of an instruction member, the control method comprising:
- detecting flicker of a light,
- controlling an exposure timing of the image sensor during the continuous shooting so as to synchronize with a phase of the flicker when the flicker is detected,
- wherein, the controlling controls the exposure timing of the image sensor during the continuous shooting so that intervals of the exposure timings of the continuous shooting when flicker is not existing are shorter than intervals of the exposure timings of the continuous shooting when the flicker is existing, and
- wherein the phase of the flicker is detected, and the exposure timing is controlled so that each exposure timing of the continuous shooting is synchronized with each feature point of the flicker, in a case where the flicker is detected.
An imaging apparatus includes an image sensor, capable of continuous shooting for continuously obtaining a plurality of frames by capturing an object continuously, comprising:
- at least one processor that executes instructions stored in at least one memory
- to detect whether flicker of light is existing or not;
- and
- to control an exposure timing of the image sensor so as to synchronize with a feature point of a phase of the flicker based on a result of a detection of the flicker when the flicker is existing,
- wherein at least one processor controls the exposure timing of the image sensor of the continuous shooting so that a frame speed of the continuous shooting when the flicker is existing is lower than the frame speed of the continuous shooting when the flicker is not existing.
Dependencies are inferred from the claim text.