Olympus Corporation

Olympus Imaging Corporation

Kazumi Ito

Osamu Nonaka

Ryuhi Okubo

Tetsuo Kikuchi

Keigo Matsuo

Kazumasa Kunugi

Toshio Takahashi

Hiroshi Kodama

Tetsuya Toyoda

Shigeru Kato

Kazuhiko Osa

Tetsuya Shirota

Yoshinobu Omata

Tatsuya Kino

Satoru Ito

Yukie Yamazaki

Masayuki Nakatsuka

Kento Hara

Kazuya Nakabe

Taichiro Kouchi

Mizuki Koshikawa

An image processing apparatus generates a left-eye viewpoint image and a right-eye viewpoint image, detects one or more pairs that are each a pair of a partial image of the left-eye viewpoint image and a partial image of the right-eye viewpoint image that are similar to each other, performs, for each of the one or more pairs, image adjustment processing for adjusting the three-dimensionality of one of or both of the partial images of the left-eye and right-eye viewpoint images, displays the left-eye viewpoint image or the left-eye viewpoint image after the image adjustment processing in a manner such that this image is capable of being observed with a left eye, and displays the right-eye viewpoint image or the right-eye viewpoint image after the image adjustment processing in a manner such that this image is capable of being observed with a right eye.

Image processing apparatus, image processing method, and recording medium having image processing program recorded therein

A device having: an optical system configured to be controlled to adjust a focal position so as to focus in an adjustment range; a switch configured to be switched between a first state and a second state; and a processor comprising hardware, wherein the processor is configured to implement: a focal position adjustment range setting unit configured to set: the adjustment range to a whole region in the first state; and the adjustment range to a part of the whole region in the second state, wherein the part of the whole region as a predetermined range is determined from a focal position of an object point conjugate with an imaging surface at the time the first switch is switched to the second state; and a controller configured to control the optical system to adjust the focal position based on the set adjustment range.

Automatic focus adjustment device and automatic focus adjustment control device

There is provided a focal point adjustment device, comprising: a first memory to store information on an emission angular range of a light flux emitted toward an image sensor; a second memory to store the information on characteristics of the image sensor; a camera-shake preventing mechanism to correct camera shake by moving the image sensor, and to correct camera shake by rotating the image sensor in a plane perpendicular to the optical axis of the photographic lens and also output information on the movement and information on the rotation; and a calculation circuit to correct image height information at a range-finding position where the output of the focal point detection pixel is used, based on the information on the movement and the information on the rotation output by the camera-shake preventing mechanism, and calculate information for the focal point adjustment, based on the corrected image height information.

Focal point adjustment device and focal point adjustment method

A focus detection apparatus, comprising, focus detection pixels that receive a pair of light fluxes resulting from pupil division of light flux, a memory that stores correction values in accordance with width of the imaging light flux in the pupil-division direction relating to a two-image interval value, and a controller having a focus detection section, a light flux width calculation section, and a defocus amount calculation section, wherein the light flux width calculation section calculates the width of the imaging light flux in the pupil-division direction, and the defocus amount calculation section calculates defocus amount of the photographing optical system based on the two-image interval value, wherein the focus detection section detects a first two-image interval value and corrects the first two-image interval value based on the correction values and the width of the imaging light flux in the pupil-division direction to obtain a second two-image interval value.

Focus detection apparatus and focus detection method

A photographing apparatus of the present invention, having a lens barrel including a photographing optical system for guiding photographing light flux and a camera body capable of being attached to and detached from the lens barrel, comprises an image sensor having pairs of focus detection pixels, a first memory for storing information relating to incident angle range of imaging light flux, a second memory, arranged in the body barrel, for storing information on light receiving sensitivity characteristic of the focus detection pixels, and a calculation controller for calculating information for focus adjustment control based on information that has been read out from the first memory and the second memory, wherein the information relating to incident angle range includes angular information of upper and lower ends of imaging light flux corresponding to image height.

Photographing apparatus and control method for photographing apparatus

A situation comprehending apparatus included in an imaging apparatus includes an image acquiring section, a structure specifying section, a distance acquiring section, a main subject specifying section, and a main subject distance distribution determining section. The image acquiring section acquires an image of a target scene. The structure specifying section specifies a structure having linear image information in a far or near direction of the target scene or in a direction perpendicular to the far or near direction. The distance acquiring section acquires a distance to a structure straight line included in the structure. The main subject specifying section specifies a main subject different from the structure included in the image. The main subject distance distribution determining section determines distance distribution to the main subject with use of an image of the structure and an image of the main subject.

Situation comprehending apparatus, situation comprehending method, and program for situation comprehension

A focal point detection device according to the present invention comprising: an image sensor having an imaging pixel and a focal point detection pixel; a camera-shake preventing section which moves the image sensor in a direction perpendicular to the optical axis of the photographic lens to correct camera shake and also outputs information on the movement of the image sensor; a calculation section to calculate a focal point adjustment signal, based on the output of the focal point detection pixel; a memory to store a correction value for correcting the focal point adjustment signal, depending on the image height position of the focal point detection pixel; and a correction section to correct the focal point adjustment signal, depending on the output of the memory, the information output by the camera-shake preventing section, and the position of the focal point detection pixel.

Focal point adjustment device, camera system, and focal point adjustment method for imaging device

A photographing apparatus of the present invention, having a lens section including a photographing optical system for guiding photographing light flux and a body section capable of being attached to and detached from the lens section, comprises an image sensor having imaging pixels and pairs of focus detection pixels, a first memory for storing information relating to incident angle range of imaging light flux, a second memory, arranged in the body section, for storing information on light receiving sensitivity characteristic of the focus detection pixels, and a control amount calculate section for calculating information for focus adjustment control based on information that has been read out from the first memory and the second memory, wherein the information relating to incident angle range includes information relating to shape of a plurality of arcs based on openings of a plurality of lens groups contained in the photographing optical system.

A focus adjustment device comprises an image sensor having imaging pixels and focus detection pixels, which subjects light flux that is passed through a photographing lens to photoelectric conversion and outputs an image signal, a first memory which stores information relating to incident angle range of light flux that is incident towards the image sensor, a second memory which stores information relating to characteristics of the image sensor, and a calculation section which calculates information for focus adjustment based on output of the first memory and output of the second memory.

Focus adjustment device, imaging device and focus adjustment method

A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height. The camera main body includes an image sensor including focus detection pixels, a main body side storage unit that stores correction data, and a correction unit corrects non-uniformity in illumination distribution of outputs of the focus detection pixels. The pupil related data is data regarding an F-number and an exit pupil position. The data regarding the F-number indicates a range of luminous flux to be applied to the focus detection pixels at a predetermined image height. The data regarding the exit pupil position relates to a position of intersection of a center of luminous flux applied to the focus detection pixels at a predetermined image height and an optical axis of the imaging optical system.

Camera system and method for correcting focus detection pixel

A photographing apparatus has a body portion to which a lens portion is mountable and to which an image forming luminous flux is conducted from the lens portion, and the photographing apparatus includes an image pickup device having pixels for image pickup and pixels for focus detection, a storage section that retains information of sensitivity characteristics of the pixels for focus detection, and a control amount calculation section that obtains information about an incident angle and an angular range of the image forming luminous flux from the lens portion and calculates information for focus control based on the obtained information and information read from the storage section. The focus control of high precision is enabled with simple configuration, irrespective of a lens system.

Photographic apparatus, camera system and methods for calculating focus control information based on a distance between centers of gravity distributions of light receiving sensitivities

A zoom lens includes a frontmost lens unit, which is located closest to the object side and a plurality of lens units located closer to the image side than the frontmost lens unit. All the distances between adjacent lens units vary during zooming in the state in which the zoom lens is focused on an object at infinity. One of the plurality of lens units is a first focusing lens unit. During focusing from an object at infinity to an object at a short distance in a first shooting mode, only the first focusing lens unit moves. During focusing from an object at infinity to an object at a short distance in a second shooting mode, two lens units in the zoom lens move.

Zoom lens and image pickup apparatus equipped with same

A waterproof camera includes an image pickup section, a display section that displays image data, a mode setting section that sets a semi-underwater mode in which both objects under water and above water are simultaneously photographed, and a display control section that limits a display range of the display section when the semi-underwater mode is set, wherein the mode setting section controls the position of a photographing lens or the like to adjust a focus balance of at least one of under water and above water, and the display control section displays both object images under water and above water within a limited display range of the display section.

Waterproof camera having a semi-underwater photographing mode

Waterproof camera and display method

A two-unit zoom lens system which comprises a negative first lens unit Gand a positive second lens unit G, during change of magnification from a wide-angle end to a telephoto end, the first lens unit and the second lens unit are moved so as to reduce a space between the first lens unit and the second lens unit, the first lens unit includes a negative sub-unit Gand a positive sub-unit G, the second lens unit has a first positive lens L, a second negative lens L, and a third positive lens L, and the system further has an aperture stop S disposed in an air space which comes into contact with the first positive lens L.

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Fuchu, Japan

Kazumi Ito