Ricoh Company, Ltd.

Ricoh Imaging Company, Ltd.

Kei Itoh

Yoichi Ito

Kenji Shiraishi

Koichi Sugiura

Yasuhiro Nomura

Kazuya Niyagawa

Morihiro Takagi

An image processor includes a corrector that corrects deviation of a coordinate in an image photographed by a photographing unit based on a correction parameter stored in a memory; and an updater that generates the correction parameter based on the image photographed by the photographing unit, and updates the correction parameter stored in the memory, the updater updating the correction parameter according to a process condition based on the image corrected by the corrector.

Image processor, apparatus, and control system for correction of stereo images

An imaging apparatus is provided that includes an image sensor that receives light from an object through an imaging lens, a lens driver that moves the imaging lens, and an automatic focus detector that determines an in-focus lens position based on imaging data obtained from the image sensor, the automatic focus detector being capable of performing a focus detection operation with a second switch that is different from a release switch in that it includes a dynamic-image focus detector and a still-image focus detector, and the dynamic-image focus detector further including a focus detection operation selector that varies a focus detection operation controlled by the second switch in accordance with whether a video is being recorded.

Imaging apparatus including dynamic image focus detection

An imaging device is configured to include an imaging lens, an imaging unit which acquires image data based on an optical image of a subject received via the imaging lens, a motion detector which detects a motion of the subject based on image data sequentially obtained from the imaging unit, a focus detector which calculates focus position data based on the image data obtained from the imaging lens when the motion detector detects a motion of the subject, and an in-focus position estimating unit which estimates an in-focus position based on the calculated focus position data.

Imaging device having motion detector and in-focus position estimating unit, and imaging method

An imaging device includes an imaging element configured to output an image signal in accordance with a target image acquired via an imaging lens, an autofocus detector configured to decide a focus in accordance with image data obtained from the image signal, a lens movement section configured to move the imaging lens on the basis of the focus, a driving condition setting section configured to set a driving condition of the imaging element, a point light source detector configured to determine whether or not the target is a point light source target on the basis of a brightness component of the image data, a target detector configured to detect a certain target from the image data, and a filter selection section configured to select a filter through which the image data is to be transmitted.

Imaging device and imaging method

An imaging device includes an imaging lens which obtains an optical image of a subject, an imaging element which receives from a subject light passing through the imaging lens, a focus position determination unit which determines a focus position of the imaging lens according to image data obtained from the imaging element and a lens movement unit which moves the imaging lens, the focus position determination unit including an AF operation start position determination unit configured to calculate an AF evaluation value according to the image data, and determine an AF operation start position according to the AF evaluation value when the lens movement unit drives the imaging lens to a predetermined operation start position.

Imaging device and imaging method for autofocusing

An image capturing device includes: an image capturing unit that captures a subject image through a lens and converts the subject image into an electric signal; an image displaying unit that displays an image; a designation accepting unit that is provided on a display surface of the image displaying unit and that accepts designation of a plurality of positions on the image displayed on the image displaying unit; a range-finding unit that performs range finding of a distance to a subject by using a plurality of two-dimensional image sensors; an area setting unit that sets a range-finding area obtained from a range finding result for a region that includes the plurality of positions designated through the designation accepting unit; a position determining unit that determines in-focus positions based on distances of the range-finding areas; and a continuous shooting unit that performs image capturing at the in-focus positions.

Image capturing device and image capturing method

An imaging device includes an imaging lens, an image sensor to output an image signal in accordance with an image of a subject captured via the imaging lens, a lens driver to move the imaging lens, an autofocus detector to determine a focal point according to image data obtained from the image signal, a point source detector to determine whether or not a subject is a point source subject on the basis of a brightness component included in the image data, and a driving mode setter to change a driving condition of the image sensor when the subject is determined to be a point source subject.

Imaging device and imaging method to perform autofocus operation to a subject

An imaging apparatus includes: a focus lens; an imaging device; a movement detecting unit that detects the movement of an image on the basis of a difference between a plurality of image data which is output from the imaging device in time series; an estimating unit that estimates the movement of an object or a photographer on the basis of the movement of the image detected by the movement detecting unit; a movement range setting unit that sets a movement range of the focus lens on the basis of the movement of the object or the photographer estimated by the estimating unit; and a focus position detecting unit that moves the focus lens in an optical axis direction in the movement range set by the movement range setting unit and detects a focus position where the focus lens is focused on the position of the object of the image.

Imaging apparatus, focus position detecting method, and computer program product

A range-finding device includes: a plurality of image capturing elements that are provided at a predetermined interval; a lens that forms an image of a range-finding object on each of the image capturing elements; a distance calculating unit that calculates a distance to the range-finding object for each of a plurality of range-finding areas that are set on the respective image capturing elements based on an image signal output from each of the range-finding areas according to the image that is formed; a distribution generating unit that generates a distribution of the calculated distances; and a position specifying unit that specifies a position where the range-finding object is present in the range-finding area based on the distribution of the distances.

Range finding device, range finding method, image capturing device, and image capturing method

A distance measurement and photometry device includes a pair of distance measurement sensors each of which is a two-dimensional image sensor, a photometry sensor, which includes a two-dimensional image sensor, a pair of distance measurement lenses arranged to correspond to the pair of distance measurement sensors, a photometry lens arranged to correspond to the photometry sensor, a photometry process unit that calculates a brightness value of a subject, an exposure state setting unit that sets an exposure state correspond to at least the pair of distance measurement sensors, a distance measurement unit that measures a distance to the subject, wherein the exposure state setting unit alternates an exposure state of at least the pair of distance measurement sensors corresponding to a result of the photometry process unit.

Distance measurement and photometry device, distance measurement and photometry method, and imaging apparatus

An imaging device includes an imaging section which images a subject, a recording section which stores a plurality of images of the subject imaged by the imaging section, a display section which displays the plurality of images stored in the storing section, a timetable creating section which creates a timetable in which a display time for each of the plurality of images is set and a playback section which continuously plays back the plurality of images according to the timetable created by the timetable creating section, and displays the images on the display section.

Imaging device and image method

An apparatus and method for capturing images using a delay timer and face detection. After a command is given to begin a photographing process, a face detector determines the location of a face of a person being photographed. A timer counts down a predetermined delay time, for example, corresponding to a self-timer time period. A controller can set the auto focus or auto exposure parameters based on the detected face.

Imaging device and method which performs face recognition during a timer delay

An imaging apparatus including a ranging device for measuring a distance to a subject, a device for radiating fill-light to the subject, and a re-ranging determining device for determining as to whether re-measurement is executed based on a measured result of the ranging device, when the re-ranging determining device determines that the re-measurement by the ranging device is required, the fill-light radiating device radiating the fill light to the subject based on the determination of the re-ranging determining device, the ranging device having a ranging element mechanism for allowing a light flux from the subject to image thereon to measure the distance to the subject, a ranging arithmetical mechanism for achieving an arithmetic of the ranging based on outputting data of the ranging element mechanism, and an area selecting mechanism for selecting an area based on an arithmetical result of the ranging arithmetical mechanism.

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Kanagawa, Japan

Kei Itoh