JP2020114028A5 - - Google Patents
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- JP2020114028A5 JP2020114028A5 JP2020073667A JP2020073667A JP2020114028A5 JP 2020114028 A5 JP2020114028 A5 JP 2020114028A5 JP 2020073667 A JP2020073667 A JP 2020073667A JP 2020073667 A JP2020073667 A JP 2020073667A JP 2020114028 A5 JP2020114028 A5 JP 2020114028A5
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- 238000001514 detection method Methods 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims 2
Description
上述した課題を解決するために、本発明は、多値画像から圧縮画像ファイルを生成する画像処理装置であって、前記多値画像から文字のエッジを検出する第１の検出部と、前記第１の検出部の検出結果を用いて、前記多値画像に含まれる文字のエッジを強調したエッジ強調画像を生成するエッジ強調部と、前記エッジ強調画像から文字領域を検出する第２の検出部と、前記圧縮画像ファイルの生成に関する複数のモードの中から、一のモードの選択を受け付ける受付部と、前記多値画像を文字画像と背景画像とに分離する分離部であって、前記複数のモードのうち第１のモードの選択を受け付けた場合は、前記第１の検出部の検出結果に基づいて前記多値画像を第１の文字画像と第１の背景画像とに分離し、前記複数のモードのうち第２のモードの選択を受け付けた場合は、少なくとも前記第２の検出部の検出結果に基づいて前記多値画像を第２の文字画像と第２の背景画像とに分離する分離部と、分離された前記第１の文字画像及び背景画像、又は分離された前記第２の文字画像及び背景画像を用いて、前記多値画像に対応する圧縮画像ファイル生成する生成部と、を備える。 In order to solve the above-mentioned problems, the present invention is an image processing device that generates a compressed image file from a multi-valued image, the first detection unit that detects the edge of a character from the multi-valued image, and the first detection unit. An edge-enhanced part that generates an edge-enhanced image that emphasizes the edges of characters included in the multi-valued image using the detection result of the detection unit 1, and a second detection unit that detects a character region from the edge-enhanced image. A reception unit that accepts the selection of one mode from the plurality of modes related to the generation of the compressed image file, and a separation unit that separates the multi-valued image into a character image and a background image. When the selection of the first mode among the modes is accepted, the multi-valued image is separated into a first character image and a first background image based on the detection result of the first detection unit, and the plurality of modes are separated. When the selection of the second mode is accepted, the multi-valued image is separated into a second character image and a second background image based on at least the detection result of the second detection unit. A unit and a generation unit that generates a compressed image file corresponding to the multi-valued image using the separated first character image and background image or the separated second character image and background image. Be prepared.
Claims (15)
前記多値画像から文字のエッジを検出する第１の検出部と、
前記第１の検出部の検出結果を用いて、前記多値画像に含まれる文字のエッジを強調したエッジ強調画像を生成するエッジ強調部と、
前記エッジ強調画像から文字領域を検出する第２の検出部と、
前記圧縮画像ファイルの生成に関する複数のモードの中から、一のモードの選択を受け付ける受付部と、
前記多値画像を文字画像と背景画像とに分離する分離部であって、前記複数のモードのうち第１のモードの選択を受け付けた場合は、前記第１の検出部の検出結果に基づいて前記多値画像を第１の文字画像と第１の背景画像とに分離し、前記複数のモードのうち第２のモードの選択を受け付けた場合は、少なくとも前記第２の検出部の検出結果に基づいて前記多値画像を第２の文字画像と第２の背景画像とに分離する分離部と、
分離された前記第１の文字画像及び背景画像、又は分離された前記第２の文字画像及び背景画像を用いて、前記多値画像に対応する圧縮画像ファイル生成する生成部と、
を備える画像処理装置。 An image processing device that generates compressed image files from multi-valued images.
A first detection unit that detects the edge of a character from the multi-valued image,
An edge-enhanced part that generates an edge-enhanced image in which the edges of characters included in the multi-valued image are emphasized by using the detection result of the first detection unit, and an edge-enhanced part.
A second detection unit that detects a character area from the edge-enhanced image, and
A reception unit that accepts the selection of one mode from the plurality of modes related to the generation of the compressed image file, and
A separation unit that separates the multi-valued image into a character image and a background image, and when the selection of the first mode among the plurality of modes is accepted, based on the detection result of the first detection unit. When the multi-valued image is separated into a first character image and a first background image and the selection of the second mode among the plurality of modes is accepted, at least the detection result of the second detection unit is obtained. Based on this, a separation unit that separates the multi-valued image into a second character image and a second background image, and
A generation unit that generates a compressed image file corresponding to the multi-valued image using the separated first character image and background image or the separated second character image and background image.
An image processing device comprising.
前記多値画像は、前記ネットワークインターフェースを介して入力される The multi-valued image is input via the network interface.
請求項１に記載の画像処理装置。 The image processing apparatus according to claim 1.
請求項２に記載の画像処理装置。 The image processing apparatus according to claim 2.
前記多値画像は、前記スキャナで読み取られた画像である The multi-valued image is an image read by the scanner.
請求項１乃至３のいずれか一項に記載の画像処理装置。 The image processing apparatus according to any one of claims 1 to 3.
請求項１乃至４のいずれか一項に記載の画像処理装置。 The image processing apparatus according to any one of claims 1 to 4.
請求項５に記載の画像処理装置。 The image processing apparatus according to claim 5.
請求項１乃至６のいずれか一項に記載の画像処理装置。 The image processing apparatus according to any one of claims 1 to 6.
前記多値画像から文字のエッジを検出する第１の検出部と、
前記第１の検出部の検出結果を用いて、前記多値画像に含まれる文字のエッジを強調したエッジ強調画像を生成するエッジ強調部と、
前記エッジ強調画像から文字領域を検出する第２の検出部と、
前記圧縮画像ファイルの生成に関する複数のモードの中から、一のモードの選択を受け付ける受付部と、
前記多値画像を文字画像と背景画像とに分離する分離部であって、前記複数のモードのうち第１のモードの選択を受け付けた場合は、前記第１の検出部の検出結果に基づいて前記多値画像を第１の文字画像と第１の背景画像とに分離し、前記複数のモードのうち第２のモードの選択を受け付けた場合は、少なくとも前記第２の検出部の検出結果に基づいて前記多値画像を第２の文字画像と第２の背景画像とに分離する分離部と、
分離された前記第１の文字画像及び背景画像、又は分離された前記第２の文字画像及び背景画像を用いて、前記多値画像に対応する圧縮画像ファイル生成する生成部、
として機能させるためのプログラム。 A computer that generates compressed image files from binary images,
A first detection unit that detects the edge of a character from the multi-valued image,
An edge-enhanced part that generates an edge-enhanced image in which the edges of characters included in the multi-valued image are emphasized by using the detection result of the first detection unit, and an edge-enhanced part.
A second detection unit that detects a character area from the edge-enhanced image, and
A reception unit that accepts the selection of one mode from the plurality of modes related to the generation of the compressed image file, and
A separation unit that separates the multi-valued image into a character image and a background image, and when the selection of the first mode among the plurality of modes is accepted, based on the detection result of the first detection unit. When the multi-valued image is separated into a first character image and a first background image and the selection of the second mode among the plurality of modes is accepted, at least the detection result of the second detection unit is obtained. Based on this, a separation unit that separates the multi-valued image into a second character image and a second background image, and
A generator that generates a compressed image file corresponding to the multi-valued image using the separated first character image and background image or the separated second character image and background image.
A program to function as.
ネットワークインターフェースを更に有し、 Has more network interface,
前記多値画像は、前記ネットワークインターフェースを介して入力される The multi-valued image is input via the network interface.
請求項８に記載のプログラム。 The program according to claim 8.
請求項９に記載のプログラム。 The program according to claim 9.
スキャナをさらに有し、 Has more scanners
前記多値画像は、前記スキャナで読み取られた画像である The multi-valued image is an image read by the scanner.
請求項８乃至１０のいずれか一項に記載のプログラム。 The program according to any one of claims 8 to 10.
請求項８乃至１１のいずれか一項に記載のプログラム。 The program according to any one of claims 8 to 11.
前記選択画面を表示する表示部をさらに有する Further having a display unit for displaying the selection screen
請求項１２に記載のプログラム。 The program according to claim 12.
請求項８乃至１３のいずれか一項に記載のプログラム。 The program according to any one of claims 8 to 13.
第１の検出部が、前記多値画像から文字のエッジを検出するステップと、 The step that the first detection unit detects the edge of the character from the multi-valued image,
エッジ強調部が、前記第１の検出部の検出結果を用いて、前記多値画像に含まれる文字のエッジを強調したエッジ強調画像を生成するステップと、 A step in which the edge enhancement unit uses the detection result of the first detection unit to generate an edge enhancement image in which the edges of characters included in the multivalued image are emphasized.
第２の検出部が、前記エッジ強調画像から文字領域を検出するステップと、 A step in which the second detection unit detects a character area from the edge-enhanced image,
受付部が、前記圧縮画像ファイルの生成に関する複数のモードの中から、一のモードの選択を受け付けるステップと、 A step in which the reception unit accepts the selection of one mode from the plurality of modes related to the generation of the compressed image file.
分離部が、前記多値画像を文字画像と背景画像とに分離する分離部であって、前記複数のモードのうち第１のモードの選択を受け付けた場合は、前記第１の検出部の検出結果に基づいて前記多値画像を第１の文字画像と第１の背景画像とに分離し、前記複数のモードのうち第２のモードの選択を受け付けた場合は、少なくとも前記第２の検出部の検出結果に基づいて前記多値画像を第２の文字画像と第２の背景画像とに分離するステップと、 When the separation unit is a separation unit that separates the multi-valued image into a character image and a background image and accepts the selection of the first mode among the plurality of modes, the detection of the first detection unit When the multi-valued image is separated into a first character image and a first background image based on the result and the selection of the second mode among the plurality of modes is accepted, at least the second detection unit is used. The step of separating the multi-valued image into a second character image and a second background image based on the detection result of
生成部が、分離された前記第１の文字画像及び背景画像、又は分離された前記第２の文字画像及び背景画像を用いて、前記多値画像に対応する圧縮画像ファイル生成するステップと、 A step in which the generation unit generates a compressed image file corresponding to the multi-valued image using the separated first character image and background image or the separated second character image and background image.
を備える画像処理方法。 An image processing method comprising.
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| JP2015146534 | 2015-07-24 | ||
| JP2015146534 | 2015-07-24 | ||
| JP2015247263 | 2015-12-18 | ||
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| JP2016134341A JP6693310B2 (en) | 2015-07-24 | 2016-07-06 | Image processing apparatus, image processing method and program |
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| JP6874387B2 (en) | 2017-01-26 | 2021-05-19 | 株式会社リコー | Image processing equipment, image processing methods and programs |
| JP7377661B2 (en) * | 2019-09-30 | 2023-11-10 | Ｔｏｐｐａｎエッジ株式会社 | Image semantic region segmentation device, region detection sensitivity improvement method, and program |
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