Patents by Inventor Kota Iwamoto

Kota Iwamoto 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).

  • Patent number: 10133956
    Abstract: The image signature extraction device includes an image signature generation unit and an encoding unit. The image signature generation unit extracts region features from respective sub-regions in an image in accordance with a plurality of pairs of sub-regions in the image, the pairs of sub-regions including at least one pair of sub-regions in which both a combination of shapes of two sub-regions of the pair and a relative position between the two sub-regions of the pair differ from those of at least one of other pairs of sub-regions, and based on the extracted region features of the respective sub-regions, generates an image signature to be used for identifying the image. The encoding unit encodes the image signature.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: November 20, 2018
    Assignee: NEC CORPORATION
    Inventors: Kota Iwamoto, Ryoma Oami
  • Patent number: 10115127
    Abstract: Advertisement information relating to an object is provided in real time, while capturing images of the object. m first local features which are respectively feature vectors from one dimension to i dimensions are stored in association with an object, n feature points are extracted from a video picture, n second local features which are respectively feature vectors from one dimension to j dimensions are generated, the smaller number of dimensions is selected, of the number of dimensions i and the number of dimensions j, and an object is recognized to be present in the video picture and advertisement information relating to that object is provided when determination is made that at least a prescribed ratio of the m first local features of the selected number of dimensions corresponds to the n second local features of the selected number of dimensions.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: October 30, 2018
    Assignee: NEC Corporation
    Inventors: Toshiyuki Nomura, Akio Yamada, Kota Iwamoto, Ryota Mase
  • Publication number: 20180181913
    Abstract: Provided is a feature for generating a recommended shelf allocation indicating the state in which products are displayed, the recommended shelf allocation including a state in which specified products are displayed in more effective positions. The present invention is provided with: a generation means for generating a plurality of shelf allocation candidates indicating the state in which a plurality of products including the specified products are displayed on product shelves; a prediction means for predicting the sales of the specified products for the plurality of shelf allocation candidates, on the basis of the positional relationships among the products displayed on the product shelf, and of the relationships with sales of the products; and a selection means for selecting the shelf allocation candidates on the basis of the results of the predictions.
    Type: Application
    Filed: June 7, 2016
    Publication date: June 28, 2018
    Inventors: Kyota HIGA, Takami SATO, Kota IWAMOTO, Yaeko YONEZAWA, Minoru TOGO
  • Publication number: 20180181940
    Abstract: A POS terminal device is provided with: a memory unit for storing subject information in which a subject and specific information are associated; an imaging unit for imaging a subject and generating an image; and a specific information estimation unit for estimating, on the basis of the subject information, the specific information associated with the subject imaged by the imaging unit.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 28, 2018
    Inventors: Nozomu FUJIWARA, KOTA IWAMOTO, tetsuo inoshita, SOMA SHIRAISHI, HIROSHI YAMADA, JUN KOBAYASHI, EIJI MURAMATSU
  • Patent number: 9805282
    Abstract: The size of a feature descriptor is reduced, with the accuracy of object identification maintained. A local feature descriptor extracting apparatus includes a feature point detecting unit configured to detect a plurality of feature points in an image and output feature point information that is information on each of the feature points, a feature point selecting unit configured to select the predetermined number of feature points from the detected plurality of feature points in order of decreasing importance based on the feature point information, and a local feature descriptor generating unit configured to generate a local feature descriptor that is a feature descriptor in a local region for each of the selected feature points.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: October 31, 2017
    Assignee: NEC Corporation
    Inventors: Ryota Mase, Kota Iwamoto
  • Publication number: 20170309113
    Abstract: A vending machine recognition apparatus includes: a receiving unit configured to receive a captured image obtained by capturing an image of a vending machine; and a recognition unit configured to recognize merchandise from the captured image and recognize a price of the merchandise from a peripheral image region of an image region of the recognized merchandise.
    Type: Application
    Filed: October 9, 2015
    Publication date: October 26, 2017
    Inventors: Kota IWAMOTO, Kyota HIGA, Ruihan BAO, Takami SATO
  • Patent number: 9792528
    Abstract: A search object and m-number of first local features respectively constituted by a feature vector of 1 to i dimensions of local areas of m-number of feature points in an image of the search object are stored, feature points are extracted from the image, second local features respectively constituted by a feature vector of 1 dimension to j dimensions are generated with respect to local areas of n-number of feature points, a smaller number of dimensions among the number of dimensions i of the first local features and the number of dimensions j of the second local features is selected, and an existence of the search object in the image in the video is recognized when a prescribed ratio of the m-number of first local features up to the selected number of dimensions corresponds to the n-number of second local features up to the selected number of dimensions.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: October 17, 2017
    Assignee: NEC CORPORATION
    Inventors: Toshiyuki Nomura, Akio Yamada, Kota Iwamoto, Ryota Mase
  • Patent number: 9754169
    Abstract: Merchandise management is implemented by recognizing a piece of merchandise in an image on a video in real time. A piece of merchandise and m-number of first local feature which are respectively 1-dimensional to i-dimensional feature vectors are stored after being associated with each other, n-number of feature points are extracted from an image on a video captured by an imaging unit, n-number of second local feature which are respectively 1-dimensional to j-dimensional feature vectors are generated, a smaller number of dimensions of the number of dimensions i and the number of dimensions j is selected, and a recognition that the merchandise exists in the image on the video is made when it is determined that a prescribed proportion or more of the m-number of first local feature of the selected number of dimensions correspond to the n-number of second local feature of the selected number of dimensions.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: September 5, 2017
    Assignee: NEC Corporation
    Inventors: Toshiyuki Nomura, Akio Yamada, Kota Iwamoto, Ryota Mase
  • Patent number: 9697435
    Abstract: An object of the present invention is to reduce a size of a feature descriptor while maintaining accuracy of object identification.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: July 4, 2017
    Assignee: NEC Corporation
    Inventors: Kota Iwamoto, Ryota Mase
  • Publication number: 20170185985
    Abstract: When the presence of a subject is detected within the image-capturing range of an image sensor, a frame image is created to acquire the identifier of a corresponding product. A feature quantity of the frame image is stored in a storage device in connection with the acquired identifier, and product information associated with the identifier is acquired from a product information DB to perform sales processing.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 29, 2017
    Applicant: NEC Corporation
    Inventors: Tomoyuki HARADA, Kota IWAMOTO, Tetsuo INOSHITA, Soma SHIRAISHI, Hiroshi YAMADA, Jun KOBAYASHI, Eiji MURAMATSU, Hideo YOKOI
  • Publication number: 20170180693
    Abstract: To provide a POS terminal or the like which enables adjustment of white balance of an object to be sufficiently accurate even in the change of external light illuminating the object. The POS terminal includes: an image capture unit which captures an object including a plurality of respectively different reference colors and generates an image; a comparison unit which compares a portion of the image relating to each of the reference colors with a standard image which is a standard of the reference colors; and an adjustment unit which adjusts white balance based on a result of the comparison.
    Type: Application
    Filed: March 18, 2015
    Publication date: June 22, 2017
    Inventors: Takanori INOUE, Hideo YOKOI, Jun KOBAYASHI, Eiji MURAMATSU, Hiroshi YAMADA, Kota IWAMOTO, Tetsuo INOSHITA, Soma SHIRAISHI
  • Publication number: 20170178107
    Abstract: An information processing apparatus includes: a determining unit that determines whether at least a part of an object is present in an image captured or not; and a control unit that performs a control so as to display, on a display apparatus, a guiding sign for guiding the object in the image to a predetermined direction in a case that at least a part of the object is present in the image.
    Type: Application
    Filed: February 26, 2015
    Publication date: June 22, 2017
    Inventors: Kota IWAMOTO, Tetsuo INOSHITA, Soma SHIRAISHI, Hiroshi YAMADA, Jun KOBAYASHI, Eiji MURAMATSU, Hideo YOKOI, Tsugunori TAKATA
  • Publication number: 20170178108
    Abstract: A POS-terminal device includes: a housing that is provided with a product-reading device including an imaging unit configured to capture a product to generate an image; a product-input unit configured to input the product, the product-input unit including a product-reading frame configured to define an outer edge of an imaging area of the imaging unit; and a reflector configured to reflect a subject image of the product passed over the imaging area, outside the housing.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 22, 2017
    Inventors: Kazuki TSUCHIMOCHI, Kota IWAMOTO, Tetsuo INOSHITA, Soma SHIRAISHI, Hiroshi YAMADA, Jun KOBAYASHI, Eiji MURAMATSU, Michio NAGAI, Hideo YOKOI
  • Patent number: 9613287
    Abstract: The size of a feature descriptor is reduced with the accuracy of object identification maintained. A local feature descriptor extracting apparatus includes a feature point detecting unit configured to detect feature points in an image, a local region acquiring unit configured to acquire a local region for each of the feature points, a subregion dividing unit configured to divide each local region into a plurality of subregions, a subregion feature vector generating unit configured to generate a feature vector with a plurality of dimensions for each of the subregions in each local region, and a dimension selecting unit configured to select dimensions from the feature vector in each subregion so as to reduce a correlation between the feature vectors in proximate subregions based on positional relations among the subregions in each local region and output elements of the selected dimensions as a feature descriptor of the local region.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: April 4, 2017
    Assignee: NEC Corporation
    Inventors: Kota Iwamoto, Ryota Mase
  • Patent number: 9602565
    Abstract: A system of this invention is a video processing system for determining details of a browsable video content. This video processing system includes a video fragment download unit that downloads data of a video fragments in a determination target video content via a network, and a first video content determination unit that determines the details of the video content based on the downloaded data of the video fragments. With this arrangement, it is possible to determine the details of a browsable video content while reducing the amount of data to be downloaded.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: March 21, 2017
    Assignee: NEC CORPORATION
    Inventors: Naotake Fujita, Toshiyuki Nomura, Kota Iwamoto
  • Publication number: 20170017840
    Abstract: Disclosed is a display condition analysis device which is capable of analyzing the display conditions of products. This display condition analysis device is provided with: a product recognition means for recognizing, from a display image taken of products on display, the products in the display image; and a display condition analysis means for analyzing, on the basis of the positions of the recognized products, the display conditions of the products on display.
    Type: Application
    Filed: February 19, 2015
    Publication date: January 19, 2017
    Inventors: Kyota HIGA, Ruihan BAO, Takami SATO, Ryota MASE, Kota IWAMOTO
  • Patent number: 9473734
    Abstract: To enable a presence/absence of a modification of a source video to be readily assessed in a derived video created by utilizing the source video. Relationship information including information indicating a segment corresponding relationship between at least one source video and a derived video created by utilizing at least a part of segments of the at least one source video and information indicating a presence/absence of a modification of the source video in a segment of the derived video in which the corresponding relationship exists is stored in a relationship information storing unit, and based on the relationship information stored in the relationship information storing unit, the segment corresponding relationship between the derived video and the at least one source video is displayed in a display mode in accordance with the presence/absence of a modification of the source video in the segment of the derived video in which the corresponding relationship exists.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: October 18, 2016
    Assignee: NEC CORPORATION
    Inventors: Toshiyuki Nomura, Takami Sato, Kota Iwamoto, Ryota Mase, Naotake Fujita, Kouichi Ueda, Takato Ozawa
  • Publication number: 20160292662
    Abstract: A POS terminal device capable of improving a recognition rate in a process for recognizing a commodity irrespective of the surrounding environment is provided. A POS terminal device (1) includes a brightness measurement unit (2), an irradiation unit (4), an image pickup unit (6), and a recognition process unit (8). The brightness measurement unit (2) measures the brightness of environmental light around the POS terminal device (1). The irradiation unit (4) irradiates a commodity with light, the light being adjusted according to the brightness of the environmental light measured by the brightness measurement unit (2). The image pickup unit (6) shoots the commodity irradiated with the light by the irradiation unit (4) and thereby generates an image thereof. The recognition process unit (8) performs a process for recognizing the commodity based on the image generated by the shooting performed by the image-pickup unit (6).
    Type: Application
    Filed: November 11, 2014
    Publication date: October 6, 2016
    Inventors: Jun Kobayashi, Eiji Muramatsu, Kota Iwamoto, Soma Shiraishi, Tetsuo Inoshita
  • Patent number: 9424469
    Abstract: The present invention enables detection of a local differing region between images. Inter-image difference information indicating a difference in feature amounts for each subregion between first and second images is generated based on a first feature amount vector that is a set of feature amounts respectively corresponding to a plurality of subregions in the first image and a second feature amount vector that is a set of feature amounts respectively corresponding to a plurality of subregions in the second image, a differing region that is an image region that differs between the first and second images is detected based on differences in the respective subregions indicated by the inter-image difference information, and detection information that indicates a result of the detection is outputted.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: August 23, 2016
    Assignee: NEC CORPORATION
    Inventors: Toshiyuki Nomura, Kota Iwamoto, Ryota Mase, Naotake Fujita, Ryosuke Takai, Takato Ozawa
  • Patent number: 9418314
    Abstract: A medical article and m-number of first local features which are respectively constituted by a feature vector of 1 dimension to i dimensions of m-number of feature points in an image of the medical article are stored in association with each other, n-number of feature points are extracted from an image in a captured video, n-number of second local features respectively constituted by a feature vector of 1 dimension to j dimensions are generated, a smaller number of dimensions among the number of dimensions i and the number of dimensions j is selected, and an existence of the medical article in the image in the video is recognized when it is determined that a prescribed ratio or more of the m-number of first local features up to the selected number of dimensions corresponds to the n-number of second local features up to the selected number of dimensions.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: August 16, 2016
    Assignee: NEC CORPORATION
    Inventors: Toshiyuki Nomura, Akio Yamada, Kota Iwamoto, Ryota Mase