JP2019008221A5

JP2019008221A5 -

Info

Publication number: JP2019008221A5
Application number: JP2017125530A
Authority: JP
Filing date: 2017-06-27
Publication date: 2020-08-20

Description

上記目的を達成するために、本発明にかかる撮像装置は、流し撮りが可能な撮像装置であって、撮像手段で得られた時間的に連続した画像に基づいて被写体の動きベクトルを検出する第１の検出手段と、前記第１の検出手段の検出結果と前記撮像装置の動きを検出する第２の検出手段の検出結果に基づいて、前記被写体の前記撮像装置に対する角速度を算出する第１の算出手段と、前記第１の算出手段により算出された複数の角速度に基づいて、前記被写体の前記撮像装置に対する角加速度を算出する第２の算出手段と、前記撮像手段による露光時の前記被写体の前記撮像装置に対する角速度に基づいて前記被写体の像ブレを補正する補正手段と、を有し、前記補正手段は、前記撮像手段による露光時の前記被写体の前記撮像装置に対する角速度を決定する際に反映させる前記第２の算出手段の算出結果の度合いを、前記第２の検出手段の検出結果に応じて変更することを特徴とする。 In order to achieve the above-mentioned object, an image pickup apparatus according to the present invention is an image pickup apparatus capable of panning, which detects a motion vector of a subject based on temporally continuous images obtained by an image pickup means. A first detection unit, a first detection unit, and a second detection unit that detects the movement of the image pickup apparatus detect the angular velocity of the subject with respect to the image pickup apparatus. a calculation unit, on the basis of the first plurality of angular velocities calculated by the calculation means, and second calculating means for calculating the angular acceleration with respect to the imaging apparatus of the subject, of the subject at the time of exposure by said image pickup means anda correction means for correcting an image blur prior Symbol subject on the basis of the angular velocity with respect to the imaging device, wherein the correction means, when determining the angular velocity with respect to the imaging apparatus of the subject at the time of exposure by prior SL imaging means It is characterized in that the degree of the calculation result of the second calculating means to be reflected on is changed according to the detection result of the second detecting means.

Claims

An imaging device capable of panning,
First detection means for detecting a motion vector of the subject based on temporally continuous images obtained by the imaging means ,
First calculation means for calculating an angular velocity of the subject with respect to the image pickup device, based on a detection result of the first detection part and a detection result of a second detection part for detecting the movement of the image pickup device;
Second calculating means for calculating an angular acceleration of the subject with respect to the imaging device based on the plurality of angular velocities calculated by the first calculating means;
Anda correction means for correcting an image blur prior Symbol subject on the basis of the angular velocity with respect to the imaging apparatus of the subject at the time of exposure by said image pickup means,
Wherein the correction means, the degree of calculation results of the second calculating means for reflecting in determining the angular velocity with respect to the imaging apparatus of the subject at the time of exposure by prior SL imaging unit, the detection result of said second detecting means An imaging device characterized by being changed according to the following.

The image pickup apparatus according to claim 1, wherein the correction unit corrects image blur of the subject by moving a correction element based on an angular velocity of the subject with respect to the image pickup apparatus at the time of exposure by the image pickup unit. ..

The second detection means detects angular velocity data of the image pickup device,
Wherein the correction means, in response to the second value of the angular velocity data detected by the detecting means, according to claim 1 or 2, characterized in that to change the degree of calculation results of the second calculating means Imaging device.

When the absolute value of the angular velocity data detected by the second detecting means is less than or equal to a first threshold value, the correcting means uses the calculation result of the second calculating means for controlling the correction element without reflecting the calculation result. The image pickup apparatus according to claim 3 , wherein an angular velocity of the subject with respect to the image pickup apparatus at the time of exposure by the image pickup unit is determined.

When the absolute value of the angular velocity data detected by the second detecting means is larger than the first threshold value, the correcting means sets the calculation result of the first calculating means and the calculation result of the second calculating means. The image pickup apparatus according to claim 4 , wherein an angular velocity of the subject with respect to the image pickup apparatus at the time of exposure by the image pickup unit used for controlling the correction element is determined based on the image pickup apparatus.

Wherein the correction means, in response to the second value of the angular velocity data detected by the detecting means, according to claim 1 or 2, characterized in that to change the degree of calculation results of the calculating means stepwise Imaging device.

A method for controlling an imaging device capable of panning, comprising:
A first detection step of detecting a motion vector of the subject based on temporally continuous images obtained by the image pickup means;
A second detection step of detecting the movement of the imaging device;
A first calculation step of calculating an angular velocity of the subject with respect to the imaging device based on the detection result of the first detection step and the detection result of the second detection step;
A second calculation step of calculating an angular acceleration of the subject with respect to the imaging device based on the plurality of angular velocities calculated in the first calculation step;
Anda correction step of correcting the image blur prior Symbol subject on the basis of the angular velocity with respect to the imaging apparatus of the subject at the time of exposure by said image pickup means,
The correction step, prior Symbol degree of calculation results of the second calculation step to be reflected in determining the angular velocity with respect to the imaging apparatus of the subject at the time of exposure by the imaging unit, the detection result of said second detecting step An imaging device characterized by being changed according to the following.