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).
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Image processing device, image processing method, computer program product, and image display device
Patent number: 9344712Abstract: According to an embodiment, an image processing device includes an obtaining unit, a first determining unit, and a detecting unit. The obtaining unit is configured to obtain an input image. The first determining unit is configured to determine a detection order that indicates an order of performing a detection operation for detecting whether an object is present with respect to partitioned areas into which the input image are divided, according to an existence probability that is set in advance for each of the partitioned areas and indicates a probability at which an object exists. The detecting unit is configured to perform, according to the detection order, the detection operation to detect whether the object is present in an area corresponding to a partitioned area subjected to the detection order in the input image.Type: GrantFiled: October 31, 2013Date of Patent: May 17, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ryusuke Hirai, Nao Mishima, Kenichi Shimoyama, Takeshi Mita -
Publication number: 20160131730Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an MRI system and a processing circuitry. The MRI system includes a receiving coil to receive a magnetic resonance signal. The processing circuitry is configured to generate an image based on the magnetic resonance signal, the image including a plurality of pixels; calculate a feature value corresponding to a signal value of the pixel; correct the feature values based on a sensitivity of the receiving coil; and reduce noise in the image based on distribution of the corrected feature values.Type: ApplicationFiled: November 9, 2015Publication date: May 12, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Kenzo ISOGAWA, Toshiyuki ONO, Kenichi SHIMOYAMA, Nobuyuki MATSUMOTO, Shuhei NITTA, Satoshi KAWATA, Toshimitsu KANEKO, Mai MURASHIMA
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Patent number: 9295141Abstract: According to an embodiment, an identification device includes a controller, an acquiring unit, and an identifying unit. The controller controls turning on/off of a plurality of light emitting apparatuses via a network individually by using pieces of identification information of their respective light emitting apparatuses. The acquiring unit acquires images of the light emitting apparatuses in time-series. The identifying unit determines an installation position of each of the light emitting apparatuses by using the on/off control on the light emitting apparatuses and the images, and identifies each of the light emitting apparatuses determined by the installation positions corresponding to each of the light emitting apparatuses identified by the pieces of identification information with each other.Type: GrantFiled: August 29, 2013Date of Patent: March 22, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Satoshi Ito, Kenichi Shimoyama, Akihito Seki, Yuta Itoh, Masaki Yamazaki
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Patent number: 9223024Abstract: An example three-dimensional model generating device includes an emitting unit that emits a laser light and a first deflector that deflects laser light, whose emission direction rotates in a first rotation range, within a first scan plane. A second deflector deflects laser light, whose emission direction rotates in a second rotation range, within a second scan plane intersecting with the first scan plane. The detector detects a reflected light when laser light deflected from the first deflector is reflected from the target object or detects a reflected light when laser light deflected from the second deflector is reflected from the target object. The measuring unit measures a distance to the target object on the basis of the time taken since emission of the laser light to detection of the reflected light. The generating unit generates a three-dimensional model of the target object by using the measurement result.Type: GrantFiled: November 5, 2013Date of Patent: December 29, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Kenichi Shimoyama, Akihito Seki, Satoshi Ito, Masaki Yamazaki, Yuta Itoh
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Patent number: 9210410Abstract: 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: GrantFiled: February 28, 2012Date of Patent: December 8, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Kenichi Shimoyama, Ryusuke Hirai, Takeshi Mita
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Patent number: 9064310Abstract: 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: GrantFiled: December 21, 2012Date of Patent: June 23, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Ryusuke Hirai, Kenichi Shimoyama, Takeshi Mita
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Patent number: 9053575Abstract: A detecting unit detects an object in an input image. A depth map generating unit selects a depth template corresponding to a type of the object and places a selected depth template on a depth map in accordance with a position of the object to generate the depth map having a depth value for each pixel. A correcting unit calculates a weight of at least one interested pixel and a weight of a peripheral pixel based on a relationship between pixel values to the interested pixel and the peripheral pixel and corrects the depth value of the interested pixel based on a weighted sum of the respective depth values corresponding to the interested pixel and the peripheral pixel. An image generating unit generates parallax images based on the corrected depth map and the input image.Type: GrantFiled: September 16, 2011Date of Patent: June 9, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Kenichi Shimoyama, Nao Mishima, Takeshi Mita, Takashi Ida
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Patent number: 9042637Abstract: 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: GrantFiled: January 27, 2012Date of Patent: May 26, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Ryusuke Hirai, Takeshi Mita, Kenichi Shimoyama
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Publication number: 20150015484Abstract: A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part or the peripheral region.Type: ApplicationFiled: September 26, 2014Publication date: January 15, 2015Inventors: Ryusuke HIRAI, Nao MISHIMA, Kenichi SHIMOYAMA, Takeshi MITA
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Publication number: 20140362194Abstract: According to an embodiment, an image processing device includes a first detector, a calculator, and a determiner. The first detector is configured to detect a position of a viewer. The calculator is configured to calculate a position variation probability that indicates a probability of the viewer making a movement, based on positions detected at different times. The determiner is configured to determine a visible area within which stereoscopic images to be displayed on a display are visible, based on the position variation probability.Type: ApplicationFiled: February 4, 2014Publication date: December 11, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ryusuke HIRAI, Kenichi SHIMOYAMA, Takeshi MITA
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Patent number: 8860791Abstract: A stereoscopic display device for three-dimensionally displaying a display image to enable a viewer to view the display image using glasses is disclosed. The device includes a receiving unit, a display memory unit, a controller unit, an adjusting unit, and a display unit. The receiving unit receives, form the glasses, glasses information used to identify an attribute of the glasses. The display memory unit stores parameter information corresponding to the received glasses information and used to control a quality of the display image when the display image is displayed. The controller unit generates image control information in accordance with the parameter information. The adjusting unit adjusts the display image based on the image control information to generate an adjusted display image. The display unit displays the adjusted display image.Type: GrantFiled: September 23, 2010Date of Patent: October 14, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Kenichi Shimoyama, Nao Mishima
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Publication number: 20140247329Abstract: According to an embodiment, there is provided an image processing device that displays a stereoscopic image on a display device having a panel and an optical aperture, including: a parallax image acquiring unit, a viewer position acquiring unit and an image generating unit. The parallax image acquiring unit acquires at least one parallax image, the parallax image being an image for one viewpoint. The viewer position acquiring unit acquires a position of a viewer. The image generating unit corrects a parameter for correspondence relationship between the panel and the optical aperture based on the position of the viewer relative to the display device, and generates an image, based on the corrected parameter, to which each pixel of the parallax image is allocated such that the stereoscopic image is visible to the viewer when the image is displayed on the display device.Type: ApplicationFiled: May 8, 2014Publication date: September 4, 2014Inventors: Norihiro NAKAMURA, Takeshi Mita, Kenichi Shimoyama, Ryusuke Hirai, Nao Mishima
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Patent number: 8805020Abstract: According to one embodiment, a depth signal generating apparatus includes following units. The calculating unit is configured to calculate a statistic value for pixel values for each of predefined areas in the first image, and calculate, for each of predetermined base depth models, a first evaluation value based on the calculated statistic value. The correcting unit is configured to correct, based on a second evaluation value previously derived for the second image and a first degree of similarity indicating a similarity between the predetermined base depth models, the first evaluation value to derive second evaluation values for the predetermined base depth models. The selecting unit is configured to select a base depth model having the highest second evaluation value from the predetermined base depth models. The generating unit is configured to generate a depth signal based on the selected base depth model.Type: GrantFiled: March 21, 2011Date of Patent: August 12, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Takeshi Mita, Nao Mishima, Kenichi Shimoyama, Ryusuke Hirai
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Publication number: 20140192168Abstract: According to an embodiment, an image processing device provides a stereoscopic image to be displayed on a display and includes an acquisition unit, first and second calculators, a selector, and a determiner. The acquisition unit acquires observer information. The first calculator calculates, a viewpoint vector pointing from one to another of the observer position of each observer and the display, and an eye vector pointing from one to another eye of the observer, based on the observer information. The second calculator calculates a weight indicating a degree of desirability of stereoscopic viewing for each observer when the stereoscopic image according to one of display parameters is displayed on the display) by using the viewpoint vector and the eye vector of the observer. The selector selects one display parameter based on the weight. The determiner determines the stereoscopic image according to the selected display parameter.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi SHIMOYAMA, Nao Mishima, Takeshi Mita, Ryusuke Hirai
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Publication number: 20140168394Abstract: According to an embodiment, an image processing device includes an acquirer, a calculator, and a display controller. The acquirer is configured to acquire a three-dimensional coordinate value that indicates a position of a viewer. The calculator is configured to, using the three-dimensional coordinate value, calculate a reference coordinate value that indicates a position of the viewer in a reference plane that includes a visible area within which the viewer is able to view a stereoscopic image. The display controller is configured to control a display, which displays the stereoscopic image for which the visible area is different for each different height, so as to display information corresponding to the reference coordinate value.Type: ApplicationFiled: February 24, 2014Publication date: June 19, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi Shimoyama, Ryusuke Hirai, Takeshi Mita, Nao Mishima, Norihiro Nakamura, Yoshiyuki Kokojima
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Publication number: 20140139427Abstract: A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part of the peripheral region.Type: ApplicationFiled: November 18, 2013Publication date: May 22, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: RYUSUKE HIRAI, NAO MISHIMA, KENICHI SHIMOYAMA, TAKESHI MITA
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Publication number: 20140132759Abstract: According to an embodiment, a measuring device includes a measuring unit, a capturing unit, an estimation unit, a calculator, and a detector. The estimation unit estimates, for each irradiated point, an estimated projection position on the image, using a direction and a distance of the irradiated point and calibration information based on calibration of a measuring unit and a capturing unit. The calculator calculates, for each irradiated point, an amount of change in reflection intensity and obtains a reflection intensity change point. The calculator calculates, for each estimated projection position, an amount of change in brightness and obtains a brightness change point. The detector detects a calibration shift between the measuring unit and the capturing unit by comparing the reflection intensity change point and the brightness change point.Type: ApplicationFiled: November 4, 2013Publication date: May 15, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuta ITOH, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Masaki Yamazaki
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Publication number: 20140132600Abstract: An example three-dimensional model generating device includes an emitting unit that emits a laser light and a first deflector that deflects laser light, whose emission direction rotates in a first rotation range, within a first scan plane. A second deflector deflects laser light, whose emission direction rotates in a second rotation range, within a second scan plane intersecting with the first scan plane. The detector detects a reflected light when laser light deflected from the first deflector is reflected from the target object or detects a reflected light when laser light deflected from the second deflector is reflected from the target object. The measuring unit measures a distance to the target object on the basis of the time taken since emission of the laser light to detection of the reflected light. The generating unit generates a three-dimensional model of the target object by using the measurement result.Type: ApplicationFiled: November 5, 2013Publication date: May 15, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi SHIMOYAMA, Akihito SEKI, Satoshi ITO, Masaki YAMAZAKI, Yuta ITOH
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IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND IMAGE DISPLAY DEVICE
Publication number: 20140125781Abstract: According to an embodiment, an image processing device includes an obtaining unit, a first determining unit, and a detecting unit. The obtaining unit is configured to obtain an input image. The first determining unit is configured to determine a detection order that indicates an order of performing a detection operation for detecting whether an object is present with respect to partitioned areas into which the input image are divided, according to an existence probability that is set in advance for each of the partitioned areas and indicates a probability at which an object exists. The detecting unit is configured to perform, according to the detection order, the detection operation to detect whether the object is present in an area corresponding to a partitioned area subjected to the detection order in the input image.Type: ApplicationFiled: October 31, 2013Publication date: May 8, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Ryusuke HIRAI, Nao Mishima, Kenichi Shimoyama, Takeshi Mita -
Publication number: 20140111097Abstract: According to an embodiment, an identification device includes a controller, an acquiring unit, and an identifying unit. The controller controls turning on/off of a plurality of light emitting apparatuses via a network individually by using pieces of identification information of their respective light emitting apparatuses. The acquiring unit acquires images of the light emitting apparatuses in time-series. The identifying unit determines an installation position of each of the light emitting apparatuses by using the on/off control on the light emitting apparatuses and the images, and identifies each of the light emitting apparatuses determined by the installation positions corresponding to each of the light emitting apparatuses identified by the pieces of identification information with each other.Type: ApplicationFiled: August 29, 2013Publication date: April 24, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Satoshi Ito, Kenichi Shimoyama, Akihito Seki, Yuta Itoh, Masaki Yamazaki