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1.发明申请IMAGE-READING APPARATUS, IMAGE-READING METHOD, PROGRAM, AND RECORDING MEDIUM 有权图像读取装置，图像读取方法，程序和记录介质公开(公告)号：US20150256696A1
公开(公告)日：2015-09-10
申请号：US14305932
申请日：2014-06-16
Applicant: PFU Limited
Inventor： Tomoaki WADA , Kiyoto KOSAKA
IPC: H04N1/00
CPC classification number: H04N1/00809 , H04N1/00005 , H04N1/0005 , H04N1/00082 , H04N1/00689 , H04N1/00718 , H04N1/00737 , H04N1/00822
Abstract: According to the present embodiment, an image-reading apparatus determines any one or both of the type of document and the shape of a document, selects any one or both of an appropriate document tilt detection method and an appropriate document position detection method according to any one or both of the determined type of document and the determined shape of a document, and detects any one or both of the tilt of the document and the position of the document by the selected detection method.
Abstract translation: 根据本实施例，图像读取装置确定文档的类型和文档的形状中的任何一个或两个，根据任何方式选择适当的文档倾斜检测方法和适当的文档位置检测方法中的任何一个或两个 所确定的文档类型和文件的确定形式中的一个或两个，并且通过所选择的检测方法检测文档的倾斜和文档的位置中的任何一个或两个。
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公开(公告)号：US20210127032A1
公开(公告)日：2021-04-29
申请号：US17058577
申请日：2018-09-28
Applicant: PFU LIMITED
Inventor： Keiji HONDA , Kiyoto KOSAKA
IPC: H04N1/387
Abstract: Provided are an image processing apparatus, a control method, and a control program for more accurately removing the background pattern from the image including the background pattern. An image processing apparatus includes an acquisition module to acquire an input image, a multi-valued image generating module to generate a multi-valued image from the input image, a binary image generating module to generate a binary image acquired by binarizing the input image, a detection module to detect a thin line having a width equal to or less than a predetermined number of pixels from the multi-valued image, a background pattern removal image generating module to generate a background pattern removal image in which the thin line is removed from the binary image, based on the thin line detected from the multi-valued image, and an output module to output the background pattern removal image or information generated using the background pattern removal image.
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3.发明申请公开(公告)号：US20180122084A1
公开(公告)日：2018-05-03
申请号：US15442060
申请日：2017-02-24
Applicant: PFU LIMITED
Inventor： Hiroki TANIZAKI , Kiyoto KOSAKA
CPC classification number: G06T7/194 , G06T5/008 , G06T5/40 , G06T7/11 , G06T2207/10024 , G06T2207/20012 , G06T2207/30176
Abstract: An image processing device includes a division unit which divides an input image into a first content area and a first background area, a generation unit which corrects a first content area pixel included in the first content area by using a first peripheral pixel existing in the vicinity of the first content area among first background area pixels included in the first background area to generate a first background image formed with the after-correction first content area pixel and the first background area pixel, and a removal unit which removes the first background image from the input image.
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公开(公告)号：US20210192694A1
公开(公告)日：2021-06-24
申请号：US17263404
申请日：2018-10-29
Applicant: PFU LIMITED
Inventor： Hiroki TANIZAKI , Kiyoto KOSAKA
Abstract: Provided are an image processing apparatus, a control method, and a control program to more accurately remove the shading from the image including the shading. An image processing apparatus includes a storage device to store a shading pattern in which a condition of gradation values of a target pixel and a plurality of pixels having a predetermined positional relationship with respect to the target pixel are set, an acquisition module to acquire a multiple value image, a binary image generation module to generate a binary image from the multiple value image, a detection module to detect a pixel satisfying the condition set in the shading pattern from the multiple value image as a part of a shading, a shading removal pattern generation module to generate a shading removal pattern for removing the detected shading, based on the multiple value image, a shading removal image generation module to generate a shading removal image by applying the shading removal pattern to the binary image, and an output device to output the shading removal image or information generated using the shading removal image.
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公开(公告)号：US20210192695A1
公开(公告)日：2021-06-24
申请号：US17058581
申请日：2018-09-28
Applicant: PFU LIMITED
Inventor： Kiyoto KOSAKA , Keiji HONDA
Abstract: Provided are an image processing apparatus, a control method, and a control program for more accurately removing the seal component from the input image including the seal. An image processing apparatus includes an acquisition module to acquire an input image, a detection module to detect a seal area corresponding to a seal in the input image, a calculation module to calculate a seal color ratio for each pixel in the seal area, a background information generating module to generate background information, a seal removal image generating module to generate a seal removal image acquired by removing a seal component from the input image, by synthesizing each pixel in the seal area and the background information corresponding to each pixel, based on the seal color ratio, and an output module to output the seal removal image or information generated using the seal removal image.
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Patent Agency Ranking
公开(公告)号：US20180046876A1
公开(公告)日：2018-02-15
申请号：US15355047
申请日：2016-11-17
Applicant: PFU LIMITED
Inventor： Mitsuru NISHIKAWA , Kiyoto KOSAKA
CPC classification number: G06K9/344 , G06K9/4628 , G06K9/4638 , G06K9/4652 , G06K2209/01 , G06T7/0081 , G06T7/11 , G06T7/136 , G06T7/194 , G06T2207/20144 , G06T2207/20148
Abstract: According to the present disclosure, an image-processing apparatus identifies for each gradation value a connected component of pixels of not less than or not more than the gradation value neighboring and connected to each other in an input image, thereby generating hierarchical structure data of a hierarchical structure including the connected component, extracts based on the hierarchical structure data a connected component satisfying character likelihood as a character-like region, acquires a threshold value of binarization used exclusively for the character-like region, acquires a corrected region where the character-like region is binarized, acquires a background where a gradation value of a pixel included in a region of the input image other than the corrected region is changed to a gradation value for a background, and acquires a binary image data of a binary image composed of the corrected region and the background region.
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公开(公告)号：US20190087962A1
公开(公告)日：2019-03-21
申请号：US16192319
申请日：2018-11-15
Applicant: PFU LIMITED
Inventor： Masayoshi HAYASHI , Kiyoto KOSAKA
Abstract: An image processing device includes a memory configured to store layout data of a layout of a format, and a processor coupled to the memory, wherein the processor is configured to execute first acquiring a captured image that includes a format region, detecting edges that are included in the captured image, second acquiring edge straight lines based on the edges, calculating a correction amount of the format region with reference to the layout based on the edges, selecting, as a selected straight line, an edge straight line that is outermost among the edge straight lines that form a rectangle, third acquiring a reference straight line that forms an outline of the format region based on the correction amount and the selected straight line, and specifying a format coordinate of the format region based on the reference straight line.
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公开(公告)号：US20190057278A1
公开(公告)日：2019-02-21
申请号：US16169684
申请日：2018-10-24
Applicant: PFU Limited
Inventor： Masayoshi HAYASHI , Kiyoto KOSAKA
Abstract: An image processing device includes a memory, and a processor coupled to the memory, wherein the processor is configured to execute acquiring a captured image including an original document region, detecting a color component value of a predetermined area in the captured image, detecting an edge in the predetermined area to acquire an edge amount indicating any one or both of a density of the edge and an edge intensity, and identifying, based on the color component value and the edge amount, a difference between a background of the original document region and a background of a background region obtained by removing the original document region from the captured image.
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公开(公告)号：US20180276509A1
公开(公告)日：2018-09-27
申请号：US15994920
申请日：2018-05-31
Applicant: PFU LIMITED
Inventor： Masayoshi HAYASHI , Kiyoto KOSAKA
CPC classification number: G06K9/72 , G06K9/00442 , G06K9/00463 , G06K9/036 , G06K9/2063 , G06K9/22 , G06K9/228 , G06K9/4604 , G06K2209/01 , H04N5/232 , H04N5/23232 , H04N19/172
Abstract: A mobile terminal includes a memory and a processor coupled to the memory, wherein the processor executes a process including acquiring a frame acquired by image capturing, detecting document position data of a document from the frame, determining a document type of the document, calculating image quality of document image data of the document on the basis of the document position data and the document type, determining whether the image quality is at a character recognizable level, and acquiring a frame acquired by the image recapturing when it is determined that the image quality is not at the character recognizable level.
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10.发明申请IMAGE-READING APPARATUS, IMAGE-PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT 有权图像读取装置，图像处理方法和计算机程序产品公开(公告)号：US20150256697A1
公开(公告)日：2015-09-10
申请号：US14308087
申请日：2014-06-18
Applicant: PFU Limited
Inventor： Kiyoto KOSAKA , Kazuaki UMI , Hiroyuki KAMEDA
CPC classification number: H04N1/00824 , H04N1/00798 , H04N1/00809 , H04N1/203
Abstract: An image-reading apparatus according to the present invention reads one or more documents to acquire a read image, detects edge coordinates of a document image closest to an outer edge of the read image in a plurality of certain directions, and regionally divides the read image in the certain directions based on any one or both of a region of the read image in which no edge coordinates are detected and the edge coordinates of an edge end of the detected document image.
Abstract translation: 根据本发明的图像读取装置读取一个或多个文档以获取读取的图像，检测在多个特定方向上最靠近读取图像的外边缘的文档图像的边缘坐标，并且区域地划分读取的图像 基于检测到边缘坐标的读取图像的区域和检测到的文档图像的边缘端部的边缘坐标中的任一个或两个的特定方向。
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