Patents by Inventor Takeshi YOKOGAWA

Takeshi YOKOGAWA 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).

  • Information processing device, method, and a non-transitory computer readable storage medium for scanning an image using a protective sheet to estimate a ratio of document lengths, acquired from scanned images, to correct a length of a scanned image or length of a cropped image, based on the ratio
    Patent number: 11729328
    Abstract: An information processing device executes: acquiring a scanned image of a document and a protective sheet that protects the document, the scanned image being obtained by imaging the document and the protective sheet while being conveyed at the same time; acquiring a first length that is a conveying direction length of a predetermined portion of the protective sheet; acquiring a second length that is a conveying direction length of the predetermined portion in the scanned image; and estimating a ratio between a document length, which is a conveying direction length of the document, and a document image length, which is a conveying direction length of the document in the scanned image, based on the first length and the second length.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: August 15, 2023
    Assignee: PFU LIMITED
    Inventors: Takeshi Yokogawa, Hiroyasu Goto
  • INFORMATION PROCESSING DEVICE, METHOD, AND MEDIUM
    Publication number: 20220311891
    Abstract: An information processing device executes: acquiring a scanned image of a document and a protective sheet that protects the document, the scanned image being obtained by imaging the document and the protective sheet while being conveyed at the same time; acquiring a first length that is a conveying direction length of a predetermined portion of the protective sheet; acquiring a second length that is a conveying direction length of the predetermined portion in the scanned image; and estimating a ratio between a document length, which is a conveying direction length of the document, and a document image length, which is a conveying direction length of the document in the scanned image, based on the first length and the second length.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 29, 2022
    Applicant: PFU LIMITED
    Inventors: Takeshi Yokogawa, Hiroyasu Goto
  • Image processing apparatus for detecting a noise line based on noise pixels in the shadow region
    Patent number: 10771636
    Abstract: An image processing apparatus includes a processor for acquiring an input image of a document and a periphery of the document, extracting first edge pixels from the input image, detecting a document region based on the first edge pixels, detecting a shadow region from within a predetermined range outside of the document region, extracting noise pixels in the shadow region, detecting the noise pixels, a number of which connected with one another is equal to or more than a predetermined number, as a noise line, and correcting the document region of the input image based on a detection result of the noise line.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: September 8, 2020
    Assignee: PFU LIMITED
    Inventors: Takeshi Yokogawa, Kunihiko Ohmi, Kodai Yamane
  • Image processing apparatus for synthesizing a front-surface image and a back-surface image
    Patent number: 10523837
    Abstract: An image processing apparatus includes a processor for generating a front-surface image captured of a front surface of a conveyed document and a back-surface image captured of a back surface of the conveyed document, detecting a feature of the conveyed document, determining whether a first end of the front-surface image and a second end of the back-surface image corresponding to the first end are continuous, based on the generated front-surface image and back-surface image and the detected feature, and synthesizing the front-surface image and the back-surface image when it has been determined that the first end and the second end are continuous.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: December 31, 2019
    Assignee: PFU LIMITED
    Inventors: Tomoaki Wada, Takeshi Yokogawa
  • IMAGE PROCESSING APPARATUS FOR DETECTING A NOISE LINE BASED ON NOISE PIXELS IN THE SHADOW REGION
    Publication number: 20190281170
    Abstract: An image processing apparatus includes a processor for acquiring an input image of a document and a periphery of the document, extracting first edge pixels from the input image, detecting a document region based on the first edge pixels, detecting a shadow region from within a predetermined range outside of the document region, extracting noise pixels in the shadow region, detecting the noise pixels, a number of which connected with one another is equal to or more than a predetermined number, as a noise line, and correcting the document region of the input image based on a detection result of the noise line.
    Type: Application
    Filed: September 6, 2018
    Publication date: September 12, 2019
    Inventors: Takeshi YOKOGAWA, Kunihiko OHMI, Kodai YAMANE