Nec Corporation

Kabushiki Kaisha Toshiba

Hitachi, Ltd.

Tokyo Shibaura Denki Kabushiki Kaisha

Tokyo Electric Co.

Kyushu University

Nec C Orporation

Kajima Corporation

Teijin Chemicals Limited

Tachikawa Corporation

Seidensha Electronics Co., Ltd.

Eiji Kaneko

Satoru Yanabu

Kenji Watanabe

Junichi Sato

Masato Tsukada

Masato Toda

Mitsutaka Honma

Tohoru Tamagawa

Hiromichi Somei

Takumi Funahashi

Madhuri Mahendra Nagare

Kumi Uchiyama

Koichi Yasuoka

Kiyoshi Kagenaga

Takashi Shibata

Hirofumi Aoki

Hiroyoshi Miyano

Yoshiharu Nagae

Akio Mukoh

Masashi Tsuchida

Hideaki Kawakami

Hirosada Morishita

Gaku Nakano

Yoshito Kamegi

Hidetoshi Abe

Morihiro Iwata

Toshiyasu Takura

Mitsutaka Homma

Masato Asami

Hideomi Takahashi

Yoshiyuki Sugawara

Tohru Tamagawa

Nobuo Suzuki

Shumpei Ohara

Kimihiko Watanabe

Atsushi Shimada

Yukio Sano

Minoru Inanuma

Yukio Torii

Keijiro Umemoto

Tadashi Shingu

Ryo Hirako

Tsuneaki Okada

Tsubasa Minematsu

Hirotoshi Fuse

Rin-Ichiro Taniguchi

Takakazu Tomizawa

Takashi Miyao

Shinji Sasamoto

Yoshio Fukamatsu

Akihiro Goto

A learning apparatus () according to the present invention includes a detection unit () that detects, as a candidate region of a learning target, a region detected by one of first detection processing of detecting an object region from a predetermined image and second detection processing of detecting a change region from background image information and the image, and not detected by the other, an output unit () that outputs at least a part of the candidate region as a labeling target, and a learning unit () that learns a model for performing the first detection processing or a model for performing the second detection processing by using the labeled candidate region as learning data.

Learning apparatus, learning method, and non-transitory computer-readable medium in which learning program has been stored

An image processing deviceincludes a calculation unitfor calculating a solar radiation spectrum in a given area on the ground surface on the basis of an observed image of the area, a solar radiation spectrum component of the area, and the spectrum of a pure substance estimated in the area, and a conversion unitfor converting the observed image on the basis of the calculated solar radiation spectrum.

Image processing device, image processing method, and recording medium

To improve image quality of an image after correction, An image processing deviceincludes: a correction unitfor generating a plurality of correction images from an image by using a plurality of correction methods; an evaluation unitfor evaluating the image or each of the plurality of correction images for each of areas constituting the image or the correction image; and a synthesis unitfor synthesizing the plurality of correction images according to an evaluation result by the evaluation unit

Image processing device, image processing method, and computer-readable recording medium for enhancing quality of an image after correction

An image processing device which is capable of accurately detects and corrects areas affected by clouds even if multiple types or layers of clouds present in images, is disclosed. The device includes: a cloud spectrum selection unit for selecting at least one spectrum for each of pixels from spectra of one or more clouds present in an input image; an endmember extraction unit for extracting spectra of one or more endmembers other than the one or more clouds from those of the input image; and an unmixing unit for deriving fractional abundances of the respective spectra of one or more endmembers and a selected spectrum of one of the one or more clouds for the each of pixels in the input image.

Image processing device for detection and correction of cloud cover, image processing method and storage medium

An information processing device according to the present invention includes a memory; and at least one processor coupled to the memory. The processor performing operations. The operations includes: receiving first multiple-images; and generating, based on a first image in the first multiple-images, a third image relating to a second image in a second wavelength band different from a first wavelength band of the first image.

Information processing device, information processing method, and recording medium

An device extracts a luminance that satisfies a rule from among luminance of being observed values of electromagnetic waves in a plurality of wavelength bands different mutually and calculates a first interim optical path radiance based on the luminance. The observed values is associated with each pixel constituting an observation image for each of the wavelength bands. The device calculates a final optical path radiance for each of the wavelength bands by weighting the first and a second interim optical path radiance including information on atmosphere with a weighting coefficient and adding those weighted luminance. The weighting coefficient represents reliability for an assumption of a dark pixel that is a pixel assumed not to be affected by electromagnetic waves reflected by an object. The device subtracts the final optical path radiance from all pixels of the observation image for each of the wavelength bands.

Optical path radiance correction device

An image processing system includes a storage device, and a processor coupled to the storage device and configured to extract, from an input image, an aerosol spectrum across a plurality of wavelength bands of the input image. The storage device contains therein a database storing a plurality of predetermined aerosol spectra, and a plurality of corresponding values associated with an aerosol optical property at the plurality of wavelength bands. The processor is further configured to retrieve, from the database, values associated with the aerosol optical property at the plurality of wavelength bands, the retrieved values corresponding to the extracted aerosol spectrum. The processor is further configured to correct the input image, by using the retrieved values associated with the aerosol optical property at the plurality of wavelength bands, to generate a corrected image.

System, method, and non-transitory, computer-readable medium containing instructions for image processing

Provided is an image processing device including: an image read-in unitwhich reads in one or more observation images which retain observation results from one or a plurality of wavelength regions; a reflection-absorption band region deletion unitwhich deletes, from each of one or more of the observation images, observation results with respect to a reflection-absorption band region, and generates reflection-absorption band-deleted images; a coefficient constituent proportional value computation unitwhich, using the reflection-absorption band-deleted images, derives a proportional value of a coefficient constituent for each wavelength band used in the observation; and a coefficient constituent deletion unitwhich, on the basis of the obtained proportional values of the coefficient constituents for each of the wavelength bands, deletes the coefficient constituents from each of the observation values included in the one or more observation images, and generates illumination-corrected images.

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

In an image representing an observed ground surface area, the device calculates an optical-path-radiance with a high degree of accuracy. An image information processing deviceincludes: a storage unitthat associates and stores observation images representing the results of observing electromagnetic waves of a plurality of different wavelength bands reflected from a ground surface, information representing the wavelength bands, and information representing the observation environment; a first intermediate-optical-path-radiance calculation unit that, for each of the wavelength band, makes the radiance of a dark pixel meeting a radiance standard from among pixels composing an associated observation image an intermediate-optical-path-radiance; an irradiance calculation unit that calculates the irradiance from sunlight for each of the wavelength band on the basis of the information representing the observation environment; and a final-optical-path-radiance calculation unit that calculates a final-optical-path-radiance for each of the wavelength band on the basis of the irradiance and intermediate-optical-path-radiance.

Image information processing device, image information processing system, image information processing method, and recording medium storing image information processing program

To provide a balloon catheter and an apparatus and method for manufacturing the balloon catheter, whereby the degree of welding can be appropriately adjusted and the balloon catheter can be formed so as to have a desired surface profile suitable for various uses including medical use. With a shaftinserted through a catheter tubeinserted into an end portionof a balloon and also with a pressure tubefitted around a welding section where the end portionof the balloonis lapped over the catheter tube, the shaftis heated by emitting laser light from a laser radiation unitto the welding section while the shaftis rotated by a chuck, to weld the welding section.

Balloon catheter, balloon catheter manufacturing device, balloon catheter manufacturing method, catheter connection device, catheter connection method, and connected catheter

Illumination estimation device includes: target object area extraction unit which extracts an object area from a multispectral image, the object area being an area, including specular reflection, of an object; distribution characteristics estimation unit which estimates information representing a subspace that approximates a distribution of observation values in a spectral space, as distribution characteristics, the distribution characteristics being characteristics of a spreading manner of the observation values in the object area within the spectral space; dimension reduction unit which selects a distribution characteristic to be used from among the distribution characteristics estimated by the distribution characteristics estimation unit depending on the number of dimensions to be reduced, the number of dimensions to be reduced being determined in advance by a light environment; and illumination estimation unit which estimates spectral characteristics of illumination based on the subspace information to be represented by the distribution characteristic selected by the dimension reduction unit.

Illumination estimation device, illumination estimation method, and storage medium

The present invention relates to an illumination spectrum estimation method in which an illumination spectrum is calculated on the basis of weather information.

Image processing method, image processing system, and image processing program

The present invention is a spectral image processing method including the steps of selecting observed spectral information from a multispectral image of a scene, generating a constraint on a spectral distribution of an illumination and a constraint on a surface reflectance of an object using a basis vector of the illumination and a basis vector of the surface reflectance, generating an observation equation that takes as parameters a weight coefficient of the basis vector of the illumination and a weight coefficient of the basis vector of the surface reflectance using the observed spectral information, the constraint on the spectral distribution of the illumination, and the constraint on the surface reflectance of the object, and calculating the spectral distribution of the illumination and the surface reflectance of the object of the scene from the observation equation.

Image processing method, image processing device, and program for restoring spectral characteristics of an object and an illumination, respectively

An overloaded routines resolving method of analyzing an invocation for the group of overloaded routines to determine the routine to be called, the method including: the routine group sorting step of sorting the group of routines on the basis of the predetermined precedence; the reference utilization pruning step of determining the routine which has the highest precedence of a data type of an argument from among the routines which can be called for the types in the definition of the arguments of the invocation from the sorted routines and of deleting any of the routines each of which has the lower precedence than that of the routine thus determined from the candidates; and the sort order characteristic pruning step of comparing the data types of the arguments among the routines which still remain after having executed the reference utilization pruning step to delete any of the routines each of which has no possibility of being called from the candidates. From the foregoing, the necessary minimum candidate can be selected efficiently in the overloaded routines resolution which is carried out when analyzing the query for the database.

Method of resolving overloaded routines, system for implementing the same and medium for storing processing program therefor

The flux density Bct is applied at the center area of the electrode. The flux density Bct is adjusted within the range A of 0.75 to 0.9 times greater than the axial flux density Bcr which gives the lowest arc voltage between the electrodes against each breaking current. The axial flux density monotonously increases from the center to the circumferential area of the electrode. Here, the radial position where the axial flux density Bcr which gives the lowest arc voltage Vmin is adjusted within the region B of 20% to 40% of the radius of the electrode. The axial flux density is made monotonously increase in an outer area from the region B and give the maximum value Bp in a circumferential area equal to or beyond 70% of the radius of the electrode. The maximum value Bp is adjusted within the range C of 1.4 to 2.4 times greater than the flux density Bct given at the electrode center.

Vacuum valve

Growing community of inventors

Tokyo, Japan

Eiji Kaneko