Patents by Inventor Makoto Enomoto

Makoto Enomoto 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: 11704921
    Abstract: Character recognition processing suitable to a handwritten character area and a printed character area among character areas in a scanned image of a document is performed. Next, character recognition results for the handwritten character area and character recognition results for the printed character area are integrated and a likelihood indicating a probability of being an extraction target is calculated for a candidate character string that is an extraction candidate among the integrated character recognition results and a character string that is the item value is determined. Then, at the time of the determination, different evaluation indications are used in a case where a character originating from the handwritten character area is included in characters constituting the candidate character string and in a case where such a character is not included.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: July 18, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Enomoto
  • Publication number: 20230137138
    Abstract: The present application is to obtain a character recognition result by performing character recognition processing on a document image and identify a classification type of the document image based on a character string included in the character recognition result and a predefined condition. The condition for identifying classification types that are hints for expense items is defined in advance.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Inventor: Makoto Enomoto
  • Patent number: 11475688
    Abstract: According to a form of the present disclosure, character strings are obtained from a document image by performing an optical character recognition process on the document image, whether each of the obtained character strings is an item name or an item value is evaluated, character strings determined to be the item names and continuously present in a horizontal or vertical direction are grouped as one item name group, a search region is set by combining the one item name group and a region where one or more character strings each determined to be the item value and adjacent to the item name group are continuously present, and the item value is extracted based on the relationship between the item name and the item value for each of the search regions.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: October 18, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Makoto Enomoto
  • Publication number: 20220245957
    Abstract: Character recognition processing suitable to a handwritten character area and a printed character area among character areas in a scanned image of a document is performed. Next, character recognition results for the handwritten character area and character recognition results for the printed character area are integrated and a likelihood indicating a probability of being an extraction target is calculated for a candidate character string that is an extraction candidate among the integrated character recognition results and a character string that is the item value is determined. Then, at the time of the determination, different evaluation indications are used in a case where a character originating from the handwritten character area is included in characters constituting the candidate character string and in a case where such a character is not included.
    Type: Application
    Filed: January 24, 2022
    Publication date: August 4, 2022
    Inventor: Makoto Enomoto
  • Publication number: 20210073535
    Abstract: According to a form of the present disclosure, character strings are obtained from a document image by performing an optical character recognition process on the document image, whether each of the obtained character strings is an item name or an item value is evaluated, character strings determined to be the item names and continuously present in a horizontal or vertical direction are grouped as one item name group, a search region is set by combining the one item name group and a region where one or more character strings each determined to be the item value and adjacent to the item name group are continuously present, and the item value is extracted based on the relationship between the item name and the item value for each of the search regions.
    Type: Application
    Filed: September 3, 2020
    Publication date: March 11, 2021
    Inventor: Makoto Enomoto
  • Patent number: 9569838
    Abstract: An image processing apparatus comprises: detection means for detecting a region corresponding to a diseased part reference region other than a diseased part region in an input image; and identifying means for identifying the diseased part region based on the corresponding region detected by the detection means.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: February 14, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Makoto Enomoto
  • Patent number: 9049400
    Abstract: When an electronic document is to be generated from an image of a document, reproduction of both an appearance of the document image and a logical structure is difficult because of format limitations imposed on the electronic document. According to the present invention, from among column arrangements allowed by the specifications of the electronic document, a column arrangement is selected by using which the positions of character areas in an input image and the logical structure analyzed from the input image can be most appropriately reproduced, and is used to generate an electronic document.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: June 2, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Makoto Enomoto
  • Patent number: 8965125
    Abstract: Character code data and vector drawing data are both listed and provided in a re-editable manner. Electronic data is generated in which information obtained by vectorizing character areas in an image and information obtained by recognizing characters in the image are stored in respective storage locations. As for the electronic data generated in this manner, because character code data and vector drawing data generated from the input image are both presented by a display and edit program, a user can immediately utilize the both data.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: February 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taeko Yamazaki, Tomotoshi Kanatsu, Makoto Enomoto, Kitahiro Kaneda
  • Patent number: 8718364
    Abstract: An apparatus according to the present invention comprises: a region extraction unit configured to extract region data for each object from document image data including tables; a table structure analysis unit configured to analyze the region data relating to table objects out of the extracted region data and extract table structure information on each of the table objects; a sheet generation unit configured to generate a display sheet for reproducing a layout of the object in the document image data and an edit sheet for each table for editing the table, by using the region data and the table structure information on each object; and an electronic-document generation unit configured to generate an electronic document which associated the display sheet with the edit sheet.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: May 6, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Enomoto
  • Publication number: 20140064563
    Abstract: An image processing apparatus comprises: detection means for detecting a region corresponding to a diseased part reference region other than a diseased part region in an input image; and identifying means for identifying the diseased part region based on the corresponding region detected by the detection means.
    Type: Application
    Filed: May 31, 2012
    Publication date: March 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Makoto Enomoto
  • Publication number: 20140023272
    Abstract: Character code data and vector drawing data are both listed and provided in a re-editable manner. Electronic data is generated in which information obtained by vectorizing character areas in an image and information obtained by recognizing characters in the image are stored in respective storage locations. As for the electronic data generated in this manner, because character code data and vector drawing data generated from the input image are both presented by a display and edit program, a user can immediately utilize the both data.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taeko Yamazaki, Tomotoshi Kanatsu, Makoto Enomoto, Kitahiro Kaneda
  • Publication number: 20130329263
    Abstract: When an electronic document is to be generated from an image of a document, reproduction of both an appearance of the document image and a logical structure is difficult because of format limitations imposed on the electronic document. According to the present invention, from among column arrangements allowed by the specifications of the electronic document, a column arrangement is selected by using which the positions of character areas in an input image and the logical structure analyzed from the input image can be most appropriately reproduced, and is used to generate an electronic document.
    Type: Application
    Filed: May 30, 2013
    Publication date: December 12, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Makoto Enomoto
  • Patent number: 8571359
    Abstract: Character code data and vector drawing data are both listed and provided in a re-editable manner. Electronic data is generated in which information obtained by vectorizing character areas in an image and information obtained by recognizing characters in the image are stored in respective storage locations. As for the electronic data generated in this manner, because character code data and vector drawing data generated from the input image are both presented by a display and edit program, a user can immediately utilize the both data.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: October 29, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taeko Yamazaki, Tomotoshi Kanatsu, Makoto Enomoto, Kitahiro Kaneda
  • Patent number: 8532388
    Abstract: This invention generates a digital document by applying character recognition to character images in a document image, and rendering the character recognition result on the document image in a transparent color. This digital document allows to specify a part corresponding to a search keyword on the document image upon conducting a search. When this digital document is generated, it includes a description required to use glyph data (font data) of a simple character shape commonly to a plurality of character types as font data used upon rendering the character recognition result. Therefore, even when the digital document needs to save font data, an increase in file size can be minimized. Also, by rendering using a simple character shape, the data size of the font data itself can be reduced.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: September 10, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Enomoto, Tomotoshi Kanatsu, Kitahiro Kaneda
  • Patent number: 8503773
    Abstract: An image processing apparatus includes a character recognition unit configured to perform character recognition on a plurality of character images in a document image to acquire a character code corresponding to each character image, and a generation unit configured to generate an electronic document, wherein the electronic document includes the document image, a plurality of character codes acquired by the character recognition unit, a plurality of glyphs, and data which indicates the glyphs to be used to render each of the character codes, wherein each of the plurality of glyphs is shared and used by different character codes based on the data when rendering characters that correspond to the plurality of character codes acquired by the recognition unit.
    Type: Grant
    Filed: June 23, 2008
    Date of Patent: August 6, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomotoshi Kanatsu, Makoto Enomoto, Taeko Yamazaki
  • Patent number: 8428356
    Abstract: There are provided an image processing device, an image processing method and a program that generate an electronic document in a format specification that is optimal for many purposes of electronic documents. A table region is discriminated from an input image, and a table structure in the table region is analyzed. A table line determination is made on the analyzed table structure as to whether or not each ruled line is representable in the format, and ruled line information and a vector line object are created according to the determination result. The created ruled line information and vector line object are used to generate the electronic document.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: April 23, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Enomoto
  • Patent number: 8396294
    Abstract: In an electronic document of drawing descriptions of a page image and a character, it is desired that although a font data necessary for drawing the character is held in the electronic document, the size of the electronic document is minimized. Furthermore, it is desired to ensure visibility at the time of highlighting of search. There is generated an electronic document in which a document image, a plurality of character codes obtained by executing a character recognition processing with respect to the document image, and a plurality of kinds of glyph data to be utilized in common with respect to the plurality of character codes when drawing characters corresponding to the plurality of character codes are stored. The plurality of kinds of glyph data are selectively used when characters corresponding to the character codes are drawn. It is desirable that the glyph data be the one in a simple form.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: March 12, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Enomoto, Tomotoshi Kanatsu, Keiko Nakanishi
  • Patent number: 8331736
    Abstract: An image processing device is provided which generates an easily reusable electronic document from an input image in which different page sizes are mixed. The image processing device generates a plurality of pieces of display information from a plurality of document images, and, depending on the size and the direction of each of the images, converts the pieces of display information into electronic documents. That is, the plurality of pieces of display information are divided into a plurality of groups, depending on the size and the direction of each of the images, and the display information included in each of the groups is converted into a separate electronic document. Further, sequence information based on the input order of the plurality of document images is stored on an electronic document.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: December 11, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiko Nakanishi, Makoto Enomoto, Taeko Yamazaki
  • Patent number: 8295602
    Abstract: An image processing apparatus performs character recognition processing on a character image in a character area to obtain character code data, and performs vectorization processing on the character image in the character area to obtain vector data. Based on the rule set for each of a plurality of color information definitions and the character color of the character image, the image processing apparatus generates a plurality of color information definitions that define colors to be used in rendering the character code data and the vector data, so that an electronic document is generated that contains the character code data, the vector data, and the plurality of color information definitions.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: October 23, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Enomoto
  • Publication number: 20120082388
    Abstract: This invention generates a digital document by applying character recognition to character images in a document image, and rendering the character recognition result on the document image in a transparent color. This digital document allows to specify a part corresponding to a search keyword on the document image upon conducting a search. When this digital document is generated, it includes a description required to use glyph data (font data) of a simple character shape commonly to a plurality of character types as font data used upon rendering the character recognition result. Therefore, even when the digital document needs to save font data, an increase in file size can be minimized. Also, by rendering using a simple character shape, the data size of the font data itself can be reduced.
    Type: Application
    Filed: November 17, 2011
    Publication date: April 5, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Makoto Enomoto, Tomotoshi Kanatsu, Kitahiro Kaneda