Fujifilm Corporation

Mitsubishi Heavy Industries Limited

Fuji Photo Film Company, Limited

Other

Fuji Photo Optical Co., Ltd.

Yoichi Iwasaki

Takashi Aoki

Kenkichi Hayashi

Hiroshi Endo

Kazuki Inoue

Michio Cho

Seiji Tanaka

Hideo Kobayashi

Kazuhiko Onda

Shinichi Yoshioka

Kazunori Ohno

Shigenori Goto

Yoshifumi Iwasaki

Katsuji Ozawa

Takehiro Koguchi

Noriko Kawamura

Koichi Akagi

Jun Kubota

Yasuhiro Ojiro

Sunao Umemura

Takao Koda

Junji Hayashi

Tomoyuki Kawai

Hiroyuki Fujita

Takashi Suzuki

Kiyoshi Suenaga

Hiroshi Komatsuzaki

Sunao Aoki

Shigeru Kondo

Yasuhiro Nishitani

Yukihiro Hashimoto

Akihiko Funaki

Masashi Takamura

Noboru Yamada

Hiroshi Omura

Osamu Inaba

Masayuki Takahama

Kenji Hoshino

Toshishige Ai

Takayuki Matsuura

Yoshiaki Nishimura

Syuichi Takahashi

Koichiro Yanou

Kazunori Chiba

Haruhiko Kondo

Ikuo Ando

Hiroyuki Ogasawara

There are provided an imaging device, an information acquisition method, and an information acquisition program that can simply and accurately acquire information related to a ray angle with respect to an image sensor in a case where subject light is incident on the image sensor through an interchangeable lens even though the interchangeable lens having no compatibility is mounted on the imaging device. An image sensor () including first phase difference pixels and second phase difference pixels is moved between a first position (P) and a second position (P) in the direction of an optical axis of an interchangeable lens. Information related to a ray angle with respect to the image sensor () in a case where subject light is incident on the image sensor () through the interchangeable lens is acquired on the basis of the outputs of the first and second phase difference pixels in a case where the image sensor () is moved to the first position (P) and the outputs of the first and second phase difference pixels in a case where the image sensor () is moved to the second position (P).

Imaging device, information acquisition method, and information acquisition program

An imaging device to which an imaging optical system is attachable, includes a correction data generating unit that generates correction data to correct a sensitivity difference of first phase difference detecting pixel cells and second phase difference detecting pixel cells; and a signal correcting unit that corrects at least one of an output signal of the first phase difference detecting pixel cells and an output signal of the second phase difference detecting pixel cells in accordance with the correction data, in which the correction data generating unit calculates two ratios to generate the correction data based on the two ratios.

Imaging device and signal processing method to correct shading of images having a phase difference

An imaging device includes an imaging lens, a generation device, a display device, a generation control device, and a display control device configured to control the display device to display the first display image generated by the generation device and display the second display image generated by the generation device in a display region of the first display image, and to display the second display image in a position corresponding to the main object image in the first display image when the main object image is detected by the detection device, wherein the detection device can detect an eye position in the main object image, and when the eye position is detected by the detection device, the generation control device controls the generation device to generate a division image that divides the main object image with the eye position as a boundary from the first and second images.

Imaging device and method for displaying multiple objects of an imaging view

An image processing method according to the present invention cuts out partial images corresponding to trimming regions, which is specified for multiple viewpoint images of a stereoscopic image obtained by pupil-division-scheme imaging, from the respective viewpoint images, generates a stereoscopic partial image including multiple partial images, generates parallax information that indicates the parallax between the partial images, adjusts the parallax between the partial images based on the parallax information, and then, for the partial images after the parallax adjustment, enhances the sharpness as the adjusted parallax amount decreases and reduces the sharpness as the adjusted parallax amount increases.

Image processing device, imaging device, image processing method, and recording medium

An imaging device, includes: an imaging element including imaging pixels and phase difference detecting pixels, a calculating unit which calculates numerical information corresponding to a defocus amount using an image signal obtained by imaging by the phase difference detecting pixels whenever the imaging is performed by the imaging element, a difference calculating unit calculating with respect to at least three times of imaging which is continuously performed, a difference between the numerical information obtained by arbitrary imaging and the numerical information obtained by the imaging which is continuously performed after the arbitrary imaging, and a control unit which moves a focus lens to a focus position using the obtained numerical information when a variance of the obtained differences is smaller than a threshold value and controls a position of the focus lens not to be changed when the variance is equal to or larger than the threshold value.

Device and, method for controlling a focusing operation

There is provided a lens-exchangeable imaging device that is capable of correcting an output signal of a pixel for phase difference detection at high speed and with high precision. A camera main bodyincludes a correction method selection unitthat selects any of a method in which the output signals of all the pixels for phase difference detection that are included in a solid-state imaging elementare interpolation-corrected by an interpolation correction processing unitand a method in which the output signals of all the phase difference detection are gain-corrected by a gain correction processing unit, according to lens information that is acquired from a lens device, and an image processing unitthat corrects the output signal of the pixel for phase difference detection, using the selected method.

Imaging device, signal processing method, and signal processing program

It is intended to provide an imaging apparatus that enables proper exposure of phase difference detection pixels and thereby makes it possible to perform phase difference autofocusing with high accuracy. A system control unitselects phase difference detection pixels from phase difference detection pixelsR andL existing in a selected phase difference detection areaaccording to a position of the selected phase difference detection areain a row direction X, and determines exposure conditions based on output signals of the selected phase difference detection pixels. A defocus amount calculation unitcalculates a defocus amount using output signals of the phase difference detection pixelsR andL existing in the selected phase difference detection areathat are part of a shot image signal produced by shooting that is performed by an imaging deviceunder the exposure conditions determined by the exposure determining unit

Imaging apparatus and exposure determining method

The present invention provide an imaging device that includes an image generation device, a boundary change device configured to change a position of a boundary between the first image and the second image in the second image for display, in a direction orthogonal to the boundary, a selection device configured to select any one of the first image and the second image for each of a plurality of divisions in the second image for display, divided by the boundary changed by the boundary change device, a display device, and a display control device configured to allow the display device to display the first image for display, and allows the second image for display in which a position of the boundary is changed by the boundary change device to be displayed in a display area in the first image for display.

Imaging device, and focus-confirmation display method

A color imaging element, includes a color filter array, in which the color filter array includes an array pattern of a 3&#xd7;3 pixel group in which first filters corresponding to a green color and second filters corresponding to red and blue colors are arrayed, and the first filters are placed at a center and 4 corners in the 3&#xd7;3 pixel group, and the array pattern is repeatedly placed in horizontal and vertical directions, and in a pixel group within a predetermined area of the color imaging element, phase difference detection pixels for acquiring phase difference information are placed in entire components of one direction among components in the horizontal direction and components in the vertical direction in the pixel group.

Color imaging element having phase difference detection pixels and imaging apparatus equipped with the same

One aspect of the present invention thinning-reads pixel signals from the multiple pixels according to a thinning pattern from an image pickup element, or extracts pixel signals from the multiple pixels according to the thinning pattern from a color image that is read from the image pickup element and corresponds to the color filter array, and acquires a thinned color image. Then, moving image data is generated on the basis of the thinned color image. Adoption of the thinned color image as a target image to be subjected to moving image processing can facilitate reduction in processing time per frame, and prevent the frame rate from decreasing. Furthermore, thinning-reading pixels from the image pickup element can facilitate reduction in time of reading an image from the image pickup element.

Imaging device, and image processing method

According to the present invention, since a color image for a moving image including that for live view display includes image data on pixel lines including first and second phase difference pixels, phase difference AF can be accurately performed during the moving image taking. A color image for the moving image includes not only the image data on the pixel lines including the first and second phase difference pixels, but also image data on pixel lines that do not include the first and second phase difference pixels and only include normal pixels. Accordingly, the image quality of the color image for the moving image is improved, an image interpolation process can be accurately performed, and reduction in image quality of a taken image (still image and moving image) through the phase difference pixels can be prevented or alleviated.

It is an imaging element in which pixels which are photoelectric conversion elements are placed at respective square lattice positions, in which, when, in a predetermined region where pixels of the imaging element are placed, a plurality of pairs are arranged in a first line which is any one line among lines and a second line which is parallel to the first line, each pair having pair pixels which are first and second phase difference detection pixels placed adjacent to each other to detect a phase difference among the pixels of the imaging element, the pairs in the first line are placed to be spaced apart from each other by at least two pixels, and the pairs in the second line are placed at positions, which correspond to positions where the pair pixels in the first line are spaced apart from each other.

Imaging element and imaging apparatus employing phase difference detection pixels pairs

According to the present invention, the first and second phase difference pixels are arranged on the pixel lines in the first direction in the color image that is thinned during imaging of a moving image including that for live view display. Therefore, even during moving image taking, phase difference AF can be accurately performed. Furthermore, the pixel values at the pixel positions of the first and second phase difference pixels in the thinned color image can be accurately acquired on the basis of the pixel values of the surrounding pixels. Accordingly, reduction in the image quality of the taken image (still image or moving image) due to the phase difference pixels can be prevented or alleviated. Furthermore, the pixel values can be accurately acquired on the basis of the pixel values of the surrounding pixels during simultaneous processing.

A stereoscopic image capture device comprising: a single imaging optical system; an imaging element that forms pupil-divided object images; a diaphragm that restricts a light flux that enters into the imaging element; and a diaphragm control device, wherein, when focal lengths before and after adjusting the focal length of the imaging optical system are assumed to be f1 and f2 and the F value of the diaphragm before adjusting the focal length of the imaging optical system is assumed to be FNo1, the diaphragm control device performs control such that an F value of FNo2 after adjusting the focal length of the imaging optical system becomes an F value that can be set according to a following equation: 

Stereoscopic image capture device and method

Provided is an imaging apparatus that is convenient for use with a combination of an optical finder and an electronic finder and is capable of minimizing manufacturing costs while preventing visibility in the finder from being lowered. In the EVF mode, a control unitof a digital cameramoves membersandof an objective optical systemtoward the subject along an optical axis L, and inserts a display unitto a position of an imaging planewith a distance between the memberand the imaging planesecured to be long. In the OVF mode, the control unitfixes the objective optical systemat a position determined in advance, and retracts the display unitfrom a gap between the objective optical systemand an eyepiece optical system

Imaging apparatus

Growing community of inventors

Saitama, Japan

Yoichi Iwasaki