IMAGE PROCESSING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND IMAGE CAPTURING APPARATUS

摘要

An image processing apparatus detects predetermined information from an image signal and output a detection signal indicating the detected information, stores the detection signals for a plurality of periods, calculates a first prediction value based on a predetermined number of detection signals, from a newer one to older ones excluding a latest detection signal, stored in the storage unit, calculates a coefficient based on a difference between the first prediction value and a value of the latest detection signal, calculates a second prediction value based on the coefficient and the predetermined number of detection signals, from the latest one to older ones, and generates, based on the second prediction value, a control signal for controlling a predetermined constituent member.

主权项

1. An image processing apparatus comprising:
a detection unit configured to detect predetermined information from an image signal that is output from an image sensor at a predetermined period, and output a detection signal indicating the detected information; a storage unit configured to store the detection signals for a plurality of periods, from a newer one to older ones; a first calculation unit configured to calculate a first prediction value based on a predetermined number of detection signals, from a newer one to older ones excluding a latest detection signal, among the detection signals for the plurality of periods stored in the storage unit; a computing unit configured to calculate a coefficient for obtaining a second prediction value based on a difference between the first prediction value and a value of the latest detection signal; a second calculation unit configured to calculate the second prediction value based on the coefficient and the predetermined number of detection signals, from the latest one to older ones, among the detection signals for the plurality of periods stored in the storage unit; and a generation unit configured to generate, based on the second prediction value, a control signal for controlling a predetermined constituent member that is used for obtaining the image signal.