Olympus Corporation

Victor Company of Japan, Limited

Softbank Corporation

Agc Inc.

Hitoshi Tsuchiya

Kiyoshi Tanaka

Shuji Tanifuji

Kazuyuki Shibuya

Akihiko Sakamoto

Hisashi Takeuchi

Masayuki Doi

Yoshinobu Omata

Tomoyuki Sato

Takafumi Okaniwa

Younpyo Hong

Yasuhiro Noda

Hiromasa Fujita

Yukihiro Tao

Takuya Arimoto

Masayoshi Son

Yoko Mitsui

Yasushi Kawamoto

Masayoshi Hosoi

Yoji Osanai

Takanori Fukuda

Atsushi Komori

Hironobu Tamba

Yoshinobu Nakagawa

Akifumi Kamada

An image blurring correction apparatus includes: an angular-velocity sensor that detects an angular velocity; and a processor. The processor includes: a first-panning detection section that detects first panning on the basis of the angular velocity; a LPF processing section that performs LPF processing on the angular velocity; a second-panning detection section that detects second panning that has a panning velocity that is lower than that of the first panning on the basis of a processing result of the LPF processing section; a HPF processing section that performs HPF processing on the angular velocity; a calculation section that calculates an image-blurring-correction amount on the basis of a detection result of the first-panning detection section or a detection result of the second-panning detection section, and a processing result of the HPF processing section; and a drive circuit that drives an image-blurring-correction mechanism on the basis of the image-blurring-correction amount.

Image blurring correction apparatus, imaging apparatus, and image blurring correction method that corrects image blurring based on panning detection and angular velocity

An imaging apparatus includes a processor and two acceleration sensors located at different positions on a first plane orthogonal to the optical axis of an image shooting optical system. The processor calculates a first-direction acceleration estimated value for a first position on the optical axis on the basis of the distances in a second direction between the optical axis and the individual acceleration sensors and first-direction acceleration detected values provided by the individual acceleration sensors, calculates a second-direction acceleration estimated value for the first position on the basis of the distances in a first direction between the optical axis and the individual acceleration sensors and second-direction acceleration detected values provided by the individual acceleration sensors, and calculates a first-direction image blurring amount and a second-direction image blurring amount for the imaging apparatus by using the first-direction acceleration estimated value and the second-direction acceleration estimated value.

Imaging apparatus and image blurring amount calculation method therefor

An imaging apparatus detects a shake, calculates a blurring amount of a subject image on the basis of a result of the detection, calculates a correction amount for canceling blurring of the subject image on the basis of the blurring amount, subtracts a subtraction amount per one correction cycle based on the subtraction amount per predetermined period of time from the blurring amount or the correction amount, shifts a part of the optical system in a direction to cancel blurring of a subject image on the basis of any one of a result of the subtraction and the subtraction amount per one correction cycle, and shifts the image pickup element in a direction to cancel blurring of the subject image on the basis of another of the result of the subtraction and the subtraction amount per one correction cycle.

Imaging apparatus, shake correction method, lens unit, and body unit

Image pickup apparatus includes imaging control circuit, keystone correction circuit, and composite circuit. Imaging control circuit acquires plurality of first images corresponding to subject image formed on imaging plane by image pickup optical system by causing imaging element to execute exposure plurality of times in accordance with imaging instruction. Keystone correction circuit corrects keystone distortion occurring in each first image due to change of attitude of body, by keystone correction based on tilt angle corresponding to each first image, and the optical characteristic, thereby generating plurality second images. Composite circuit generates third image by compositing second images.

Image pickup apparatus and image pickup method

An image projection structure includes a first transparent layer having an irregular surface; a reflection layer arranged on the irregular surface of the first transparent layer; an adhesion layer arranged on the reflection surface; and a second transparent layer arranged on the adhesion layer. The adhesion layer is configured of linear polymers with a mold shrinkage factor of less than 3%. The second transparent layer is configured of a resin having a cross-linking structure.

Image projection structure, transparent screen, and manufacturing method of image projection structure

An imaging apparatus includes: an optical system that includes a focus lens and an aperture; an image sensor that converts a subject image formed by the optical system into an electric signal; a reading control circuit that reads the electric signal converted by the image sensor; a shaking detection sensor that detects movement applied to the imaging apparatus, the shaking detection sensor including an angular velocity sensor and an acceleration sensor; a camera-work detection unit that detects camerawork in the imaging apparatus according to a detection result of the shaking detection sensor; and a shooting control unit that controls the focus lens and the aperture in the optical system, and the shooting control unit switches focus adjustment control and/or exposure adjustment control when the camera work is detected by the camera-work detection unit.

Imaging apparatus with focus adjustment control and exposure adjustment control

An imaging apparatus includes an image sensor configured to perform photoelectric conversion on a subject image formed by an optical system, a first driving actuator configured to cause translation and a rotational movement of the image sensor, a first angular velocity detector configured to detect a first rotation angular velocity, a second angular velocity detector configured to detect a second rotation angular velocity, a third angular velocity detector configured to detect a third rotation angular velocity, and an image blur correction control unit configured to control the first driving actuator so that the first driving actuator causes both the translation and the rotational movement, on the basis of a first rotation angular velocity, a second rotation angular velocity, a third rotation angular velocity, an optical center position of the optical system and a rotation center position of the image sensor.

Imaging apparatus and image blur correction method therefor

An imaging apparatus according to one embodiment comprises an imaging element, a photographing optical system, a blur detecting section, a blur correcting section, an imaging control section, and a projection converting section. The blur detecting section detects an image moving amount of a subject image. The blur correcting section adjusts a positional relation between the subject image and an imaging plane of the The imaging element on the basis of the image moving amount. The imaging control section acquires an equidistant projection image corresponding to the subject image by the imaging element. The projection converting section converts the equidistant projection image into an image of a different projection system.

Imaging apparatus, and image blur correcting method of imaging apparatus

An image pickup apparatus includes: an image pickup device; a body portion; an attitude detection portion configured to detect an attitude of the body portion; an image stabilization portion configured to correct image blur; an image stabilization control portion configured to calculate an amount of correction for the image stabilization portion; and a control portion including an image processing portion configured to generate one piece of composite image data from a group of continuously picked-up images; wherein the image stabilization control portion sets a reference angle at a time of picking up image data picked up first in the group of continuously picked-up images, and drives the image stabilization portion so that the reference angle corresponds to inclination of each image at a time of picking up image data picked up for a second time and after.

Imaging apparatus with image composition and blur correction

An AD converter acquires first and second input values. A first multiplication unit multiplies a first tangent value, which is based on a first boundary angle based on a phase range of a reference value, by the reference value to calculate a first threshold value. A second multiplication unit multiplies a second tangent value, which is based on a second boundary angle based on the phase range, by the reference value to calculate a second threshold. A comparison unit determines whether the comparison value is within a particular phase range specified by the first and the second thresholds. The comparison unit determines magnitude of the comparison value when the comparison value is not within the particular phase range. A phase estimation unit updates the particular phase range to a phase range adjacent to a direction corresponding to the result of determination.

Interpolation apparatus for encoder, controlling method of interpolation apparatus for encoder, non-transitory storage medium storing controlling program of interpolation apparatus for encoder and encoder

In a camera system that includes a lens unit and a camera body, the camera body includes a blur correcting unit that performs blur correction in a plurality of directions, and a determining unit that determines whether the lens unit mounted onto the camera body is a lens unit that performs the blur correction in the plurality of directions. When the determining unit determines that the mounted lens unit is the lens unit that performs the blur correction in the plurality of directions, the camera body performs the blur correction in the plurality of directions at a camera body side blur correction ratio, and the lens unit performs the blur correction in the plurality of directions at a lens unit side blur correction ratio.

Camera system

An imaging apparatus according to one embodiment comprises an imaging element, a photographing optical system, an imaging control section, a first projection converting section, composing section, and a second projection converting section. The first projection converting section converts a first projection images into second projection images, respectively, each of which is an image of a second projection system in which a variation of a change amount of an image height on an imaging plane to a change amount of an entrance angle of the light into the photographing optical system is smaller than that of the first projection image. The composing section composes the second projection images to acquire a composed image. The second projection converting section converts the composed image into an image of a projection system different from the second projection system.

Imaging apparatus, and control method of imaging apparatus

In a camera system that includes a lens unit and a camera body, the camera body includes: an image blur detecting unit that detects image blur in a plurality of directions; an image blur correcting unit that performs image blur correction in the plurality of directions; a determining unit that determines whether a mounted lens unit is a lens unit that performs the image blur correction; and an image blur correction control unit that performs control in such a way that, when a determination result of the determining unit is true (Yes), the image blur correcting unit performs the image blur correction only in specific directions from among the plurality of directions, and that performs control in such a way that, when the determination result of the determining unit is false (No), the image blur correcting unit performs the image blur correction in the plurality of directions.

Camera system with image blur correction

A camera system includes a lens having a first shake correction unit for correcting shaking on the basis of the amount of shaking which is detected by a first shake amount detector and from which a first reference value corresponding to an output value of the first shake amount detector kept in a stationary state is subtracted, and a body having a second shake correction unit for correcting shaking on the basis of the amount of shaking which is detected by a second shake amount detector and from which a second reference value corresponding to an output value of the second shake correction unit in a stationary state is subtracted. The camera system corrects a first reference value or a second reference value.

Camera system and shake correction method thereof

An image blur correction apparatus includes: a blur correction actuator that corrects image blur by moving a lens or by moving an image sensor; a shake detection unit that detects a postural change amount of the imaging apparatus; a storing unit that stores three or more postural change amounts detected at different times; an estimating unit that calculates an estimate of a postural change amount after a predetermined time period on the basis of the three or more postural change amounts and on the basis of an approximation based on a temporal change in the postural change amounts; a blur amount calculating unit that calculates an image blur amount on the basis of the estimate; and a driving control unit that calculates a movement amount of a lens or image sensor to be moved by the blur correction actuator on the basis of the image blur amount.

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Tokyo, Japan

Hitoshi Tsuchiya