Olympus Corporation

Kyosuke Mizuno

Susumu Hashimoto

Yosuke Kujuuro

Takashi Saito

Shinji Yamashita

Kenji Yamazaki

Hideki Kato

Atsushi Shimada

Tomoya Takahashi

Yusuke Yabe

Tomoki Iwasaki

Tomoya Sato

Seiki Toriyama

Hiroshi Shiraishi

Yutaka Fujisawa

Hitoshi Komine

Saeri Saito

Takehide Fujimoto

Nanako Ubayama

Takehiko Ito

Ryuichi Yamazaki

Sadaaki Tomura

Sachiko Asatori

Mutsumi Oshima

Keiichi Tsuchida

An endoscopic image processing apparatus includes a memory configured to store a threshold THn to determine a dark region in the near-point image inputted, a brightness correction circuit configured to perform brightness correction on the near-point image based on the threshold THn depending on timing of acquiring the near-point image and perform second brightness correction on the far-point image based on a threshold THf on the far-point image, and a light distribution state determination circuit configured to determine whether a light distribution state of a live image from an endoscope is a light distribution state of the near-point image. The brightness correction circuit, in the timing of acquiring the near-point image, performs the first brightness correction when the light distribution state determination circuit determines that the light distribution state of the live image is the light distribution state of the near-point image.

Endoscopic image processing apparatus and endoscope system

A processing device includes a processing circuit configurable according to a type of an endoscope, and a control circuit configured to detect a connection state of the endoscope, and measure a disconnection time from disconnection to reconnection. The control circuit is also configured to determine that currently and previously connected endoscopes are of the same type when the disconnection time is shorter than a predetermined time, reconfigure the processing circuit according to the type of the endoscope when it is determined that the currently and previously connected endoscopes are not of the same type, and not reconfigure the processing circuit when it is determined that the currently and previously connected endoscopes are of the same type.

Image processing device for endoscope that reconfigures image processing circuit based on disconnection time

An endoscope system includes: an endoscope having an image sensor configured to image an inside of a subject; a processor configured to perform predetermined image processing on a video signal that is imaged by the image sensor; a storage that is provided in the endoscope, the storage being configured to store compressed data obtained by compressing data volume of first non-compressed data that is used for correction of an image imaged by the image sensor; a restoring circuit configured to read the compressed data from the storage to restore the compressed data to the first non-compressed data when data is transferred from the endoscope to the processor; and an image correcting circuit that is provided in the endoscope, the image correcting circuit being configured to correct the image imaged by the image sensor by using the first non-compressed data restored by the restoring circuit.

Endoscope system

An image pickup system includes: a light source portion configured to sequentially emit first illumination light and second illumination light; an image pickup portion configured to perform image pickup of return light from an object; an image generating portion configured to generate a first image corresponding to return light of the first illumination light and a second image corresponding to return light of the second illumination light, each of which corresponds to one field, and sequentially output the first image and the second image; a synchronization processing portion configured to simultaneously output images corresponding to a plurality of fields, selectively assigning the images to three channels of a display apparatus; and a control portion configured to set image assignment to and image update frequency for the three channels based on an evaluation value acquired from the images generated by the image generating portion.

Image pickup system and image processing apparatus

An image pickup system including an optical system configured to generate a first optical image and a second optical image having disparity, of an object, includes a storage unit configured to store in advance image formation position information and disparity information of the first optical image and the second optical image, and an image processing unit configured to generate a first image signal and a second image signal for display by respectively cutting out a first region corresponding to the first optical image and a second region corresponding to the second optical image, and the image processing unit includes a luminance value comparing unit configured to compare luminance values of respective pixels in the first image signal and the second image signal, and a detecting unit configured to detect a pixel defect based on the comparison result of the luminance value comparing unit.

Image pickup system with white spot correction

An endoscope system including: a light source that generates illuminating light; a controller that receives a light control signal and controls the illuminating light; a light receiving unit having pixels in a matrix; a reading unit that sequentially reads an electrical signal for each line; and an imaging controller that repeats read processing to sequentially read, for each line, the electrical signal from the light receiving unit, and exposure processing for exposing the light receiving unit. Where a blanking period is a time from completion of reading of a last line for a preceding frame to start of reading of a first line for a following frame and a read period is a time from a start of reading of a first line for a frame to completion of reading of a last line of the frame such that the blanking period can be changed without changing the read period.

Endoscope system for suppressing decrease of frame rate without changing clock rate of reading

An endoscope system includes: a signal processing apparatus that performs processing on an output signal outputted from an endoscope; a detecting section configured to detect a type of the endoscope; a function setting section configured to set a plurality of functions in the endoscope system; an input section configured to input data to the function setting section; an output section configured to output a list of setting states of the plurality of functions to a display section; and a storing section configured to store recommended setting data corresponding to the plurality of functions, wherein the function setting section sets the signal processing apparatus to selected one of the setting corresponding to the type of the endoscope and a setting recommended by the recommended setting data, according to an input from the input section, and sets the plurality of functions according to the type of the endoscope.

A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.

Solid state imaging apparatus and imaging method

Growing community of inventors

Hino, Japan

Kyosuke Mizuno