Olympus Corporation

Olympus Imaging Corporation

Oympus Corporation

Manabu Ichikawa

Hiroki Maruyama

Osamu Nonaka

Keiji Kunishige

Hiroaki Iwasaki

Sumio Kawai

Koichi Nakata

Yoshinori Matsuzawa

Masaomi Tomizawa

Kensei Ito

Katsuhisa Kawaguchi

Akira Tani

Teruaki Yamasaki

Maki Toida

Shogo Shimamura

Koichiro Yoshino

Takuya Matsunaga

Yuzuru Taguchi

Toshiaki Mikami

Toshio Takahashi

Toshiyuki Fujii

Tetsuya Yamamoto

Tetsuya Toyoda

Hiroshi Kodama

Yoichiro Okumura

Hiroaki Kagawa

Kenichi Onomura

Shinya Takasumi

Takayuki Matsuhashi

Kazuya Hosono

Yasutaka Sawa

Shinichiro Ishikane

Tsutomu Kuroki

Ayako Tsunefuji

An image processing apparatus includes an inference part which is capable of inference by using a first inference model for finding of a specific target object and by using a second inference model for discrimination about the specific target object and a control unit to which a first picked-up image obtained under a first image pickup condition and a second picked-up image obtained under a second image pickup condition different from the first image pickup condition can be inputted and which performs control such that in a case where the first picked-up image is inputted, the inference part is caused to execute inference by using the first inference model, and in a case where the second picked-up image is inputted, the inference part is caused to execute inference by using the second inference model.

Image processing apparatus, image processing method, and endoscope apparatus

An image processing apparatus includes: a pixel value group creation unit configured to create, for a plurality of pieces of image data generated by an image sensor including: a plurality of pixels arranged two-dimensionally to receive light from outside and generate a signal corresponding to an amount of the received light; and a plurality of read-out circuits shared by a predetermined number of pixels and configured to read out the signal as pixel values, a plurality of pixel value groups by classifying the pixel values for each of the plurality of read-out circuits; and a noise determination unit configured to determine whether blinking defect noise occurs in each of the plurality of pixel value groups, based on distribution of the pixel values of each of the plurality of pixel value groups created by the pixel value group creation unit.

Image processing apparatus, image processing method, and computer-readable recording medium

An image processing apparatus is disclosed which processes noise resulting from a defective pixel different from a low saturation pixel, included in image data generated by an image sensor including a plurality of pixels two-dimensionally arranged to receive light from outside and generate a signal according to an amount of received light and including a plurality of read-out circuits that read out the signal as a pixel value. The image processing apparatus includes an acquisition unit that obtains the image data generated by the image sensor and a saturation level of each of the plurality of pixels; and a noise processing unit that processes the noise on the basis of the saturation level obtained by the acquisition unit.

Image processing apparatus, image processing method, and non-transitory computer readable recording medium

An image processing apparatus processes noise from a defective pixel in image data generated by an image sensor including plural pixels, and plural read-out circuits that read out the signal. The apparatus includes an acquisition unit that obtains the image data and position information of the defective pixel; a defective pixel correction unit that corrects the signal from the defective pixel included in the image data, based on the position information; a low saturation pixel correction unit that corrects a signal from a low saturation pixel included in the image data where the signal from the defective pixel has been corrected, the low saturation pixel having a saturation level lower than the other pixels, based on a preliminarily calculated saturation level of the plural pixels; and a saturation level calculation unit that calculates the saturation level of the defective pixel corrected by the defective pixel correction unit.

An image processing apparatus executes plural corrections for plural types of noises having mutually different characteristics included in image data generated by an image sensor including plural pixels, and including plural read-out circuits that read out the signal of each pixel as a pixel value. The apparatus includes a noise correction unit executable of the plural types of correction processes in an order determined based on the characteristic of each of the plural types of noises and a signal generating process from a light reception through an output of pixel values from the pixel. The noise correction unit classifies the plural types of correction processes into plural groups, on the basis of the characteristic of each of the plural types of noises, and executes the plural types of correction processes in an order determined in accordance with the plural groups and the signal generation process.

An image processing device includes: an acquisition unit configured to acquire image data generated by an imaging element including sharing blocks, each including multiple adjacent pixels configured to generate signals according to amounts of light received externally and one read circuit; an offset calculator configured to, based on the acquired image data and using pixel values of pixels in a sharing block of interest that is one of the multiple sharing blocks and pixel values of pixels outside the sharing block of interest, detect an offset component of a pixel value occurring in the sharing block of interest; and a corrector configured to calculate a correction amount to correct a pixel value of at least one pixel in the sharing block of interest based on the offset component and use the correction amount to correct a pixel value of at least one pixel in the sharing block of interest.

Image processing device, image processing method and computer readable recording medium

An image processing apparatus includes: an acquisition unit configured to obtain image data generated by an image sensor forming an array pattern using color filters having mutually different spectral transmittances and to obtain a correction coefficient for correcting a difference between pixel values corresponding to a difference between a spectral sensitivity and a preset reference spectral sensitivity in a wavelength range in a pixel-of-interest; a correction amount calculation unit configured to calculate an estimation value of a color component in the pixel-of-interest using a pixel value of each of pixels in surrounding pixels of a same color and the correction coefficient and configured to calculate a correction amount of the pixel value of the pixel-of-interest based on the estimation value and the correction coefficient of the pixel-of-interest; and a pixel value correction unit configured to correct the pixel value of the pixel-of-interest based on the calculated correction amount.

Image processing apparatus, image processing method, and computer readable recording medium for correcting pixel value of pixel-of-interest based on correction amount calculated

A focus control device includes a processor including hardware, the processor being configured to implement: an area setting process that sets a plurality of areas to a captured image that has been captured by an imaging section, each of the plurality of areas including a plurality of pixels; a direction determination process that determines whether a target in-focus position lies in a NEAR direction or a FAR direction with respect to a reference position with respect to some or all of the plurality of areas set to the captured image to calculate a direction determination result with respect to each of the plurality of areas, the target in-focus position being a target of an in-focus object plane position; and a focus control process that preferentially brings an area among the plurality of areas that is situated away from the imaging section into focus based on the direction determination result.

Focus control device, endoscope apparatus, and method for controlling focus control device

An image processing apparatus includes: an acquisition unit configured to acquire defective pixel information including one of positional information on a reading circuit in which defective pixel noise occurs and positional information on each of pixels, blinking defect noise information including one of positional information on a reading circuit in which blinking defect noise occurs and the positional information on each of the pixels, and image data generated by an image sensor; and a noise reduction unit configured to reduce one of the defective pixel noise and the blinking defect noise based on the defective pixel information acquired by the acquisition unit and the blinking defect noise information acquired by the acquisition unit, with respect to the image data acquired by the acquisition unit.

An image processing apparatus is configured to: acquire a correction factor from a recording unit for recording, for each of a plurality of pixels, the correction factor for correcting a difference in pixel value corresponding to a difference between a spectral sensitivity and a preset reference spectral sensitivity in a predetermined wavelength range at a pixel of interest, based on image data generated by an image sensor, the image sensor having the plurality of pixels on which color filters of a plurality of colors with different spectral transmittances are respectively located, the color filters forming a predetermined array pattern; calculate a correction amount for correcting a pixel value of the pixel of interest based on the correction factor at the pixel of interest and pixel values of pixels surrounding the pixel of interest; and correct the pixel value of the pixel of interest by using the correction amount.

Image processing apparatus for correcting pixel value based on difference between spectral sensitivity characteristic of pixel of interest and reference spectral sensitivity, image processing method, and computer-readable recording medium

An image processing apparatus includes a correction factor calculating unit configured to calculate a correction factor for correcting a difference in pixel values corresponding to a difference between a spectral sensitivity and a preset reference spectral sensitivity in a predetermined wavelength range at a pixel of interest, based on image data generated by an image sensor, the image sensor having a plurality of pixels on which color filters of a plurality of colors with different spectral transmittances are respectively disposed, the color filters forming a predetermined array pattern, the correction factor calculating unit being configured to calculate the correction factor for each of the plurality of pixels on which at least a predetermined color filter of the color filters is disposed.

An image processing apparatus includes: an acquisition unit configured to acquire image data and noise information including one of positional information on a reading circuit in which blinking defect noise caused by the reading circuit occurs and positional information on each of pixels; and a correction unit configured to set the image data acquired by the acquisition unit as correction target image data, and correct a pixel value of a pixel of interest of the correction target image data based on the noise information and reference image data that is based on image data acquired at a time different from the correction target image data.

Provided is an image processing apparatus for correcting blinking defect noise contained in image data generated by an image sensor. The image sensor includes a pixels arranged two-dimensionally and reading circuits configured to read a pixel value. The image processing apparatus includes: an information acquisition unit configured to acquire noise information that is defined by associating positional information of the reading circuits or positional information of each of the pixels with feature data related to the blinking defect noise caused by the reading circuits; an estimation unit configured to estimate a random noise amount in a pixel of interest based on the feature data and a random noise model for estimating the random noise amount in the pixel of interest; and a correction unit configured to correct a pixel value of the pixel of interest based on the random noise amount estimated by the estimation unit.

A focus control device includes: a processor including hardware, the processor being configured to implement: an area setting process that sets a plurality of areas to a captured image that has been captured by an imaging section, each of the plurality of areas including a plurality of pixels; an object distance information calculation process that calculates distance information about a distance to an object that is captured within each of the plurality of areas; and a focus control process based on the distance information, wherein the processor implements the focus control process that performs a classification process that classifies the plurality of areas into a plurality of groups, and performs the focus control process based on area information about each of the plurality of groups.

An imaging device includes a first communication unit, an imaging control unit, and a recording determination unit that determines whether or not an image data is to be recorded according to an operation instruction. The first communication unit transmits recording permission information to an external communication device when a user operation is a recording permission operation, and transmits recording prohibition information to the communication device when the user operation is a recording prohibition operation. The imaging control unit associates image data with determination result determined by the recording determination unit and either one of the recording permission information and the recording prohibition information and controls a recording unit to record the image data.

Imaging device, imaging system, imaging method, and computer-readable recording medium for use in an imaging system including an external communication device

Growing community of inventors

Hachioji, Japan

Manabu Ichikawa