Patents by Inventor Kenichi Shimoyama

Kenichi Shimoyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140104386
    Abstract: According to an embodiment, an observation support device includes an acquiring unit, a determining unit, and a generating unit. The acquiring unit is configured to acquire observation information capable of identifying an observing direction vector indicating an observing direction of an observing unit that observes an object for which a three-dimensional model is to be generated. The determining unit is configured to determine whether or not observation of the object in a direction indicated by an observed direction vector in which at least part of the object can be observed is completed based on a degree of coincidence of the observing direction vector and the observed direction vector. The generating unit is configured to generate completion information indicating whether or not observation of the object in the direction indicated by the observed direction vector is completed.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 17, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kenichi SHIMOYAMA, Akihito SEKI, Satoshi ITO, Masaki YAMAZAKI, Yuta ITOH, Ryuzo OKADA
  • Publication number: 20140100814
    Abstract: According to an embodiment, a measuring device includes a generating unit, an updating unit, and a calculating unit. The generating unit is configured to generate first position and orientation of an observing unit for observing a space containing a target object, an error model indicating a theoretical precision of observation, and three-dimensional shape data of the target object. The updating unit is configured to update space information that indicates a probability of the presence of the target object at each coordinate within the space, using the first position and the three-dimensional shape data. The calculating unit is configured to calculate a measurement quality increment for second position and orientation of a search area within the space using the error model and the space information, and set third position and orientation for which the calculated measurement quality increment satisfies a predetermined condition as new position and orientation, respectively.
    Type: Application
    Filed: March 13, 2013
    Publication date: April 10, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuta ITOH, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Masaki Yamazaki
  • Publication number: 20140098222
    Abstract: According to an embodiment, an area identifying device includes a projecting unit, an image capturing unit, a calculating unit, and an identifying unit. The projecting unit is configured to project a pattern so that the pattern performs a predetermined movement. The image capturing unit is configured to capture, in sequential order, multiple images of an area on which the pattern is projected, the image having a plurality of areas. The calculating unit is configured to calculate an amount of change of pattern appearances for each region in the multiple images. The identifying unit is configured to identify, as a reflective area, at least one area having a different amount of change of the pattern appearances from a reference amount of change of the pattern appearances based on the predetermined movement, among the amounts of change of the pattern appearances that are calculated by the calculating unit.
    Type: Application
    Filed: March 13, 2013
    Publication date: April 10, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masaki YAMAZAKI, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Yuta Itoh, Ryuzo Okada
  • Patent number: 8665319
    Abstract: According to one embodiment, a parallax image generating apparatus is for generating, using a first image, a parallax images with a parallax therebetween. The apparatus includes following units. The first estimation unit estimates distribution information items indicating distributions of first depths in the first image by using first methods. The distribution information items falls within a depth range to be reproduced. The first combination unit combines the distribution information items to generate first depth information. The second calculation unit calculates second depth information indicating relative unevenness of an object in the first image. The third combination unit combines the first depth information and the second depth information by using a method different from the first methods, to generate third depth information. The generation unit generates the parallax images based on the third depth information and the first image.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: March 4, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nao Mishima, Takeshi Mita, Kenichi Shimoyama, Ryusuke Hirai, Masahiro Baba
  • Publication number: 20140049540
    Abstract: According to one embodiment, an image processing device includes an observing unit and a generating unit. The observing unit obtains an observation image by observing a viewer which views a display unit. The generating unit generates a presentation image in which visible area is superimposed on the observation image. The visible area is an area within which the viewer is able to view the stereoscopic image. A display form of the visible area changes based on a position of the viewer in a perpendicular direction to the display unit.
    Type: Application
    Filed: September 26, 2013
    Publication date: February 20, 2014
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kenichi SHIMOYAMA, Takeshi Mita, Masahiro Baba, Ryusuke Hirai, Yoshiyuki Kokojima
  • Publication number: 20140002448
    Abstract: According to an embodiment, a measurement support device includes a first calculator configured to calculate, when three-dimensional shape data representing a measured part of an object are viewed from a plurality of points of view, a plurality of first information quantities representing visibility of the three-dimensional shape; a second calculator configured to calculate a second information quantity by multiplying a maximum value of the first information quantities by a predetermined proportion; a selector configured to select a point of view, which has a smaller difference between the first information quantity and the second information quantity, from the points of view; and a display controller configured to display the three-dimensional shape data as viewed from the selected point of view on a display unit.
    Type: Application
    Filed: March 13, 2013
    Publication date: January 2, 2014
    Inventors: Satoshi ITO, Akihito SEKI, Yuta ITOH, Masaki YAMAZAKI, Kenichi SHIMOYAMA
  • Publication number: 20130336539
    Abstract: According to an embodiment, a position estimation device includes first and second obtaining units, first and second calculators, and an estimating unit. The first obtaining unit is configured to obtain first data about a size and a position of an object in a first image. The second obtaining unit is configured to obtain second data about a distance to or a position of the object in a second image. The first calculator is configured to calculate, based on the first and second data, weights for first and second actual sizes of the object estimated respectively from the first and second data. The second calculator is configured to calculate a third actual size of the object by using the first and second actual sizes and the weights. The estimating unit is configured to estimate a three-dimensional position of the object by using the third actual size.
    Type: Application
    Filed: December 21, 2012
    Publication date: December 19, 2013
    Inventors: Ryusuke Hirai, Kenichi Shimoyama, Takeshi Mita
  • Publication number: 20130229336
    Abstract: According to one embodiment, a stereoscopic image display device includes a display element in which a plurality of pixels are arranged in a matrix topology, an optical element coupled to the display element, the optical element having variable optical characteristics. The device also includes an acquirer, calculator, and controller. The acquirer is configured to acquire person's information including a position of each of at least one person viewing a stereoscopic image. The calculator is configured to calculate, based on the person's information, a weight representing a quality of stereoscopic viewing for each person. The controller is configured to select optical characteristic parameters corresponding to the weight, and control the optical characteristics of the optical element based on the optical characteristic parameters.
    Type: Application
    Filed: December 21, 2012
    Publication date: September 5, 2013
    Inventors: Kenichi SHIMOYAMA, Ryusuke HIRAI, Masako KASHIWAGI, Takeshi MITA
  • Publication number: 20130155051
    Abstract: According to one embodiment, an image display apparatus includes a displaying device capable of displaying a three-dimensional image; a detector configured to detect a viewer; an obtaining device configured to obtain, on the basis of a detection result from the detector, a second position of the viewer in a second coordinate system fixed to the detector; a first calculator configured to calculate a difference between a first position in a first coordinate system fixed to the displaying device and the second position; and a second calculator configured to calculate a correction value for at least one of a set position of a viewing zone in which the viewer can view the three-dimensional image and the second position so as to compensate for the difference.
    Type: Application
    Filed: February 28, 2012
    Publication date: June 20, 2013
    Inventors: Kenichi SHIMOYAMA, Ryusuke Hirai, Takeshi Mita
  • Publication number: 20130121560
    Abstract: According to an embodiment, an image processing device includes: a first acquiring unit, a second acquiring unit, a first setting unit, a second setting unit, a first calculating unit, and a second calculating unit. The first acquiring unit acquires a plurality of captured images by imaging a target object from a plurality of positions. The second acquiring unit acquires a provisional three-dimensional position and a provisional size. The first setting unit sets at least one search candidate point near the provisional three-dimensional position. The second setting unit sets a search window for each projection position where the search candidate point is projected, the search window having a size. The first calculating unit calculates an evaluation value that represents whether or not the target object is included inside the search window. The second calculating unit calculates a three-dimensional position of the target object based on the evaluation value.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 16, 2013
    Inventors: Ryusuke HIRAI, Takeshi MITA, Kenichi SHIMOYAMA
  • Patent number: 8427488
    Abstract: According to one embodiment, a parallax image generating apparatus includes a deriving unit, a generating unit, a first calculating unit, a setting unit, a searching unit, and an interpolating unit. The deriving unit derives a parallax vector corresponding to a first pixel from the input image and depth information associated with the first pixel. The generating unit generates an intermediate image. The first calculating unit calculates first weights for respective pixels of a parallax image. The setting unit sets one or more candidate blocks near a shade-forming-area pixel of the intermediate image, and sets a reference block among one or more candidate blocks. The searching unit searches a target block similar to the reference block in the input image and/or the intermediate image. The interpolating unit interpolates a pixel value of the shade-forming-area pixel.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: April 23, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ryusuke Hirai, Hidenori Takeshima, Takeshi Mita, Nao Mishima, Kenichi Shimoyama, Takashi Ida
  • Publication number: 20130050303
    Abstract: According to an embodiment, an image processing device includes a specifying unit configured to specify, from among a plurality of parallax images each having a mutually different parallax, a pixel area containing at least a single pixel; and a modifying unit configured to, depending on a positional relationship between each pixel in the pixel area specified from among the parallax images and a viewpoint position of a viewer, modify the pixel area into a modified pixel area that contains a pixel which is supposed to be viewed from the viewpoint position.
    Type: Application
    Filed: March 8, 2012
    Publication date: February 28, 2013
    Inventors: Nao MISHIMA, Kenichi Shimoyama, Takeshi Mita
  • Publication number: 20120293640
    Abstract: According to one embodiment, a three-dimensional video display apparatus includes a display, a calculator and a generator. The display displays a plurality of images with different viewpoints by using a plurality of light beam control elements to control light beams from pixels. The calculator calculates a quality of view for each of viewing positions with respect to the display based on a number of the light beam control elements causing pseudoscopy at each of the viewing positions. The generator generates a map indicating the quality of view for each of the viewing positions.
    Type: Application
    Filed: July 30, 2012
    Publication date: November 22, 2012
    Inventors: Ryusuke Hirai, Takeshi Mita, Kenichi Shimoyama, Yoshiyuki Kokojima, Rieko Fukushima, Masahiro Baba
  • Publication number: 20120268455
    Abstract: An image processing apparatus according to an embodiment includes a displaying device, a receiver, a calculator, and a controller. The displaying device can display a stereoscopic image. The receiver receives a start signal used for starting setting a viewing zone in which the stereoscopic image can be viewed by a viewer. The calculator calculates, on the basis of position information of the viewer, viewing zone information representing a position of the viewing zone when the start signal is received. The controller controls the displaying device so as to set the viewing zone corresponding to the viewing zone information.
    Type: Application
    Filed: January 27, 2012
    Publication date: October 25, 2012
    Inventors: Kenichi Shimoyama, Takeshi Mita, Yoshiyuki Kokojima, Ryusuke Hirai, Masahiro Baba
  • Patent number: 8289376
    Abstract: An image processing method for creating a disparity image for 3D display from a 2D video image includes detecting based on a first image of the 2D video image in a time and a second image in a time different from the first image, motion vectors between the first and second images for each block of the first image, detecting from the motion vectors, a most backward vector of a portion whose depth is on the back side, calculating differential vectors between each motion vector and the most backward vector and giving a depth on a close to the block of the first image corresponding to the motion vector having the larger differential vector and creating one or more disparity images from the first image and the depth.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: October 16, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nao Mishima, Kenichi Shimoyama, Takeshi Mita, Takashi Ida
  • Publication number: 20120182292
    Abstract: According to an embodiment, a stereoscopic image displaying apparatus is configured to display a multi-viewpoint image. An acquirer acquires person data including a position of each of at least one person viewing a stereoscopic image, a calculator calculates a weight from (1) the person data and (2) display parameters, the weight representing a stereoscopic degree inferred, for each of the at least one person, from a multi-viewpoint image to be displayed in accordance with the display parameters, a determiner selects the display parameter based on the weights, and generates a multi-viewpoint image that accords with the display parameters selected, and a displaying device displays the generated image.
    Type: Application
    Filed: January 30, 2012
    Publication date: July 19, 2012
    Inventors: Kenichi Shimoyama, Takeshi Mita, Masahiro Baba, Ryusuke Hirai, Rieko Fukushima, Yoshiyuki Kokojima
  • Publication number: 20120169844
    Abstract: An image processing method for creating a disparity image for 3D display from a 2D video image includes detecting based on a first image of the 2D video image in a time and a second image in a time different from the first image, motion vectors between the first and second images for each block of the first image, detecting from the motion vectors, a most backward vector of a portion whose depth is on the back side, calculating differential vectors between each motion vector and the most backward vector and giving a depth on a close to the block of the first image corresponding to the motion vector having the larger differential vector and creating one or more disparity images from the first image and the depth.
    Type: Application
    Filed: March 8, 2012
    Publication date: July 5, 2012
    Inventors: Nao MISHIMA, Kenichi Shimoyama, Takeshi Mita, Takashi Ida
  • Publication number: 20120162223
    Abstract: According to one embodiment, a parallax image generating apparatus includes a deriving unit, a generating unit, a first calculating unit, a setting unit, a searching unit, and an interpolating unit. The deriving unit derives a parallax vector corresponding to a first pixel from the input image and depth information associated with the first pixel. The generating unit generates an intermediate image. The first calculating unit calculates first weights for respective pixels of a parallax image. The setting unit sets one or more candidate blocks near a shade-forming-area pixel of the intermediate image, and sets a reference block among one or more candidate blocks. The searching unit searches a target block similar to the reference block in the input image and/or the intermediate image. The interpolating unit interpolates a pixel value of the shade-forming-area pixel.
    Type: Application
    Filed: March 1, 2012
    Publication date: June 28, 2012
    Inventors: Ryusuke Hirai, Hidenori Takeshima, Takeshi Mita, Nao Mishima, Kenichi Shimoyama, Takashi Ida
  • Publication number: 20120113117
    Abstract: According to an embodiment, an image processing apparatus includes a detecting unit configured to detect at least one object included in an image; a selecting unit configured to select a depth model to be a base of information about depth of the object in accordance with a property of the object; a segment unit configured to segment an area of the object detected from the image; and a depth map creating unit configured to create a depth map representing a depth of the image. The depth map creating unit arranges the depth model at a position on the depth map corresponding to a position of the segmented area of the object in the image, compares an area of the depth model and the area of the object, and gives a corrected depth value to a position not superimposed on other.
    Type: Application
    Filed: March 23, 2011
    Publication date: May 10, 2012
    Inventors: Io Nakayama, Masahiro Baba, Kenichi Shimoyama, Takeshi Mita
  • Publication number: 20120113094
    Abstract: According to an embodiment, an image processing apparatus creates a depth map representing distribution of depths of pixels in an image. The apparatus includes an area detecting unit configured to detect an area of a vertical object included in an image; a base depth adding unit configured to add a base depth to the image, the base depth being a basic distribution of depths of pixels in the image; and, a depth map creating unit configured to acquire at least one depth of a vicinity of a ground contact position of the vertical object from the base depth added to the image, and create the depth map by setting the acquired depth onto the base depth as a depth of the area of the vertical object.
    Type: Application
    Filed: March 18, 2011
    Publication date: May 10, 2012
    Inventors: Kenichi Shimoyama, Takeshi Mita, Nao Mishima, Ryusuke Hirai, Masahiro Baba, Io Nakayama