Sony Corporation

Ricoh Company, Ltd.

Nec Corporation

Other

Toshihiko Baba

Sony Group Corporation

Baba, Toshihiko

Akio Furukawa

Tomoyuki Oki

Takashi Yamaguchi

Daisuke Kikuchi

Hiroshi Ichiki

Mitsunari Hoshi

Yuki Sugie

Mitsunori Ueda

Hiroshi Maeda

Koichiro Kishima

Masayoshi Akita

Goh Matsunobu

Hirotaka Muramatsu

Satoshi Sasaki

Tsuneo Hayashi

Atsushi Matsuzono

Kaoru Kimura

Zenya Nagashima

Yoshihiko Kakihara

Michio Oka

Shigeru Yoneda

Yukio Yamada

Yutaka Urino

Kazuki Isono

Yoshiro Takiguchi

Toshiaki Nakahira

Fumihiro Miyagawa

Georgero Konno

Naoto Nakamura

Tadahiko Hanada

Kousaku Sawabe

Yuko Seki

Hiroo Nakano

Atushi Tokunaga

Satoru Ishi

Naoki Ofusa

According to some aspects, a medical imaging system is provided. The medical imaging system includes an illumination device and a medical imaging device. The illumination device includes a first light source configured to emit first light having a wavelength range. The illumination device further includes a second light source configured to emit second light having at least one predetermined wavelength band. The at least one predetermined wavelength band is within the wavelength range. The illumination device further includes a dichroic mirror configured to attenuate a portion of the wavelength range corresponding to the at least one predetermined wavelength band and to multiplex the second light with the first light such that the portion of the wavelength range of the first light is attenuated. The light multiplexed by the dichroic mirror is emitted from the illumination device along an optical axis and irradiates an observation site. The medical imaging device includes at least one sensor configured to receive light from the observation site.

Medical imaging system, illumination device, and method

There is provided an information processing device including an information acquisition unit that acquires information from an information providing device that provides the information related to quantitative numerical values to be grasped by the medical practitioner involved with a medical practice, an image data generation unit that generates image data related to the acquired information, and a control unit that controls an installation position of a light source irradiating drawing light having illuminance visually recognizable under a shadowless lamp or an operation state of an optical system that scans an irradiation position of the drawing light so as to draw the image data.

Information processing device, information processing method, screen, and information drawing system

The present technology relates to an image processing device, an image processing method, an endoscope system, and a program that enable motion detection with higher accuracy. The endoscope system includes: a light source capable of performing a pulsed-light emission; a light-source control unit that controls the light source such that the light source performs the pulsed-light emission a plurality of times in an exposure time period of each captured image; an imaging unit that takes the captured images; and a motion detection unit that detects a motion of a photographic subject in the captured images. The present technology is applicable to the endoscope system.

Image processing device, image processing method, and endoscope system

To enable calculation a wavelength shift amount more accurately. A light source system is provided including a light source unit configured to emit a light beam, and a calculation unit configured to calculate a wavelength shift amount of the light beam on the basis of an output from a color sensor that detects the light beam.

Light source system, control device, and control method

[Object] To provide a light source device and imaging system capable of issuing a warning to a user in accordance with an actual deterioration state of a light source. [Solution] The light source device includes: at least one light source; a light monitor unit that detects emitted light emitted from the light source; a light source drive unit that controls a drive current or an applied voltage of the light source such that a detection value detected by the light monitor unit indicates a predetermined target value; and a warning unit that performs a primary warning when the drive current or the applied voltage of the light source reaches a predetermined reference value, and performs a predetermined process on a basis of a deterioration level of the light source after the primary warning is performed.

Light source device and imaging system

To provide an illumination device, a control device, and a control method enabled to perform control to cause output of each of a plurality of light sources to be constant with a more simplified temperature control circuit. There is provided an illumination device including: a plurality of light sources; a plurality of cooling units respectively provided for the light sources and respectively cooling the light sources; and a drive control unit that performs switching of control with respect to each of the light sources on the basis of a comparison between a target temperature of each of the light sources and a measured temperature of each of the light sources or an environment.

Illumination device, control device, and control method

Provided is a medical light source device that includes a light source part including two or more semiconductor light-emitting devices having wavelengths of emitted light different from each other. The light source part generates light of predetermined chromaticity by mixing the light emitted from each of the semiconductor light-emitting devices and emits outward the generated light of the chromaticity as illumination light. The medical light source device further includes a control unit that controls a mixing rate of the light emitted from each of the semiconductor light-emitting devices based on a light amount setting value of the illumination light emitted from the light source part, and keeps the chromaticity constant regardless of a light amount of the illumination light.

Medical light source system, medical light source device, and method of adjusting light amount of medical light source device

It is enabled to more appropriately prevent thermal damage to an area irradiated with illumination light. An image acquisition system is provided including: a first light source unit that emits narrow band light having a peak intensity in a specific band; a second light source unit that emits wide band light having a band wider than the specific band; a generation unit that generates multiplexed light by using the narrow band light and the wide band light; an imaging unit that images an irradiation target of the multiplexed light; a prediction unit that performs prediction of a temperature of an area irradiated with the multiplexed light in the irradiation target; and a control unit that performs control of outputs of the narrow band light and the wide band light on the basis of the prediction.

Image acquisition system, image acquisition method, control device, and control method

An illumination apparatus includes an optical apparatus configured to optically process laser light to produce illumination light such that speckle noise in the illumination light is reduced. The optical apparatus includes at least one collimator () configured to collimate the laser light and a diffuser () configured to diffuse the laser light.

Illumination apparatus, method and medical imaging system

An illuminating device includes an image acquisition system configured to adjust a plurality of light sources on the basis of a correlation between luminance acquired from an image processing device and the light amounts of the emission light beams. Accordingly, the color temperature of the image processing device can be accurately adjusted because the illuminating device can control the plurality of light sources by individual adjustment to output a desired light.

Controlling a set of light sources by individual adjustment to output a desired light

[Object] To propose a control apparatus, a control system and a control method which are capable of causing another light source to adaptively emit light at a timing at which light emitted from one light source changes. [Solution] A control apparatus including: a light source control unit configured to control light emission of a second light source on the basis of profile of light emitted from a first light source and a synchronization signal for synchronizing a timing between the first light source and the second light source for radiating light on a surgical region.

Control apparatus, control system, and control method

A projection stereoscopic display includes: a stereoscopic display optical system receiving linearly polarized light from the light source and displaying a first picture and a second picture both having binocular parallax by linearly polarized light with polarization directions orthogonal to each other, in which the stereoscopic display optical system includes: a reflective liquid crystal panel modulating and reflecting linearly polarized light from the light source in response to a picture signal, a first polarizing device splitting the first picture from reflected light from the reflective liquid crystal panel, a retardation device converting the polarization direction of the first picture into a direction orthogonal thereto, and a second polarizing device splitting the second picture from reflected light from the reflective liquid crystal panel, and superimposing the second picture on the first picture of which the polarization direction is converted by the retardation device.

Projection stereoscopic display

A laser device, includes: a fundamental wave generating portion configured to generate a plurality of fundamental waves having wavelengths which are different from each other in at least one set thereof, the fundamental wave generating portion having a semiconductor laser having a plurality of luminous points, and a Bragg reflection structure; and a nonlinear optical element in which a poling structure adapted to pseudophase matching for the wavelengths of the plurality of fundamental waves emitted from the fundamental wave generating portion, respectively, is formed variatively along a propagating direction of the plurality of fundamental waves.

Laser device, laser display apparatus, laser radiating apparatus, and nonlinear optical element

The present invention provides a laser device having a high wavelength conversion efficiency and a wide wavelength width, and is suitable as a display light source. The laser device includes a fundamental wave generating section including a laser diode which has a plurality of luminous points and a bragg reflection structure, and generating a plurality of fundamental waves which has at least a pair of wavelengths different from each other, and a nonlinear optical element having a periodic polarization inversion structure, and generating harmonics corresponding to the plurality of fundamental waves, respectively.

Laser device, laser display device, and laser irradiation device

Growing community of inventors

Tokyo, Japan

Akio Furukawa