JP2000099707A5 - - Google Patents

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JP2000099707A5
JP2000099707A5 JP1998272281A JP27228198A JP2000099707A5 JP 2000099707 A5 JP2000099707 A5 JP 2000099707A5 JP 1998272281 A JP1998272281 A JP 1998272281A JP 27228198 A JP27228198 A JP 27228198A JP 2000099707 A5 JP2000099707 A5 JP 2000099707A5
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Prior art keywords
gradation conversion
image data
frequency component
processing method
processing
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JP1998272281A
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JP3937607B2 (en
JP2000099707A (en
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Priority to JP27228198A priority Critical patent/JP3937607B2/en
Priority claimed from JP27228198A external-priority patent/JP3937607B2/en
Priority to US09/396,740 priority patent/US7050648B1/en
Publication of JP2000099707A publication Critical patent/JP2000099707A/en
Priority to US10/912,129 priority patent/US7564582B2/en
Priority to US11/146,054 priority patent/US7636495B2/en
Publication of JP2000099707A5 publication Critical patent/JP2000099707A5/ja
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Description

本発明は上記のような問題を解決するためになされたもので、階調変換処理を施す範囲を容易に理解できるようにすることを目的としている。 The present invention has been made to solve the above problems, and an object of the present invention is to make it easy to understand the range in which the gradation conversion process is performed.

【０００８】
【課題を解決するための手段】
上記の目的を達成するために、本発明による画像処理方法においては、原画像データに対し階調変換処理及び周波数処理を施す画像処理方法であって、前記階調変換処理を施す範囲を図表化して表示するための表示工程と、前記原画像データに基づく高周波成分を生成する工程と、前記階調変換処理に基づき前記高周波成分の値を変更する工程と、前記値を変更した高周波成分から画像データを生成する工程とを有する。 0008
[Means for solving problems]
In order to achieve the above object, the image processing method according to the present invention is an image processing method that performs gradation conversion processing and frequency processing on the original image data, and charts the range in which the gradation conversion processing is performed. A display step for displaying the image, a step of generating a high frequency component based on the original image data, a step of changing the value of the high frequency component based on the gradation conversion process, and an image from the high frequency component having the changed value. It has a step of generating data.

また、本発明による画像処理装置においては、原画像データに対し階調変換処理及び周波数処理を施す画像処理装置であって、前記階調変換処理を施す範囲を図表化して表示するための表示手段と、前記原画像データに基づく高周波成分を生成する手段と、前記階調変換処理に基づき前記高周波成分の値を変更する手段と、前記値を変更した高周波成分から画像データを生成する手段とを備える。 Further, the image processing apparatus according to the present invention is an image processing apparatus that performs gradation conversion processing and frequency processing on the original image data, and is a display means for displaying the range to be subjected to the gradation conversion processing in a chart. A means for generating a high-frequency component based on the original image data, a means for changing the value of the high-frequency component based on the gradation conversion process, and a means for generating image data from the high-frequency component for which the value has been changed. Be prepared.

さらに、本発明による記憶媒体においては、原画像データに対し階調変換処理及び周波数処理を施す画像処理方法を実行するためのプログラムを記憶したコンピュータ読み取り可能な記憶媒体であって、前記階調変換処理を施す範囲を図表化して表示するための表示処理と、前記原画像データに基づく高周波成分を生成する処理と、前記階調変換処理に基づき前記高周波成分の値を変更する処理と、前記値を変更した高周波成分から画像データを生成する処理とを実行するためのプログラムを記憶している。 Further, the storage medium according to the present invention is a computer-readable storage medium that stores a program for executing an image processing method for performing gradation conversion processing and frequency processing on the original image data, and is the gradation conversion. A display process for displaying the range to be processed in a chart, a process for generating a high frequency component based on the original image data, a process for changing the value of the high frequency component based on the gradation conversion process, and the above value. The program for executing the process of generating image data from the modified high-frequency component is stored.

【００４８】
【発明の効果】
以上説明したように、階調変換処理を施す範囲を図表化して表示するようにしたので、階調変換処理を施す範囲を容易に理解することが可能になる。 0048
【Effect of the invention】
As described above, since the range to be subjected to the gradation conversion process is displayed as a chart, it is possible to easily understand the range to be subjected to the gradation conversion process.

Claims (9)

原画像データに対し階調変換処理及び周波数処理を施す画像処理方法であって、
前記階調変換処理を施す範囲を図表化して表示するための表示工程と、
前記原画像データに基づく高周波成分を生成する工程と、
前記階調変換処理に基づき前記高周波成分の値を変更する工程と、
前記値を変更した高周波成分から画像データを生成する工程とを有することを特徴とする画像処理方法。An image processing method for performing gradation conversion processing and frequency processing on original image data,
A display step for graphically displaying the range to which the gradation conversion processing is performed;
Generating a high frequency component based on the original image data;
Changing the value of the high-frequency component based on the gradation conversion processing;
An image processing method comprising: generating image data from a high-frequency component whose value has been changed. 前記階調変換処理は、階調変換曲線に基づいて前記原画像データの画素値を変更することを特徴とする請求項１に記載の画像処理方法。  The image processing method according to claim 1, wherein the gradation conversion process changes a pixel value of the original image data based on a gradation conversion curve. 前記高周波成分の値の変更は、前記階調変換曲線の傾きに関連した情報に基づいて変更されることを特徴とする請求項２に記載の画像処理方法。  The image processing method according to claim 2, wherein the change of the value of the high frequency component is changed based on information related to an inclination of the gradation conversion curve. 前記階調変換曲線の曲線形を変更するための変更工程を有し、前記表示工程は、前記変更工程での入力に従い前記階調変換処理を施す範囲を図表化して表示することを特徴とする請求項２に記載の画像処理方法。  A change step for changing a curve shape of the gradation conversion curve, and the display step displays a range to which the gradation conversion process is performed in accordance with an input in the change step. The image processing method according to claim 2. 前記階調変換曲線の曲線形を定めるパラメータを計算するための解析工程を有することを特徴とする請求項２に記載の画像処理方法。  3. The image processing method according to claim 2, further comprising an analysis step for calculating a parameter for determining a curve shape of the gradation conversion curve. 前記表示工程は、前記階調変換曲線の曲線形を定めるパラメータを表示することを特徴とする請求項２に記載の画像処理方法。  The image processing method according to claim 2, wherein the display step displays a parameter that defines a curve shape of the gradation conversion curve. 前記表示工程は、前記原画像データ上に前記階調変換処理を施す範囲を図表化して表示することを特徴とする請求項１に記載の画像処理方法。  The image processing method according to claim 1, wherein in the display step, a range on which the gradation conversion process is performed is displayed in a graph on the original image data. 原画像データに対し階調変換処理及び周波数処理を施す画像処理装置であって、
前記階調変換処理を施す範囲を図表化して表示するための表示手段と、
前記原画像データに基づく高周波成分を生成する手段と、
前記階調変換処理に基づき前記高周波成分の値を変更する手段と、
前記値を変更した高周波成分から画像データを生成する手段とを備えることを特徴とする画像処理装置。An image processing apparatus that performs gradation conversion processing and frequency processing on original image data,
Display means for graphically displaying the range to which the gradation conversion processing is performed;
Means for generating a high-frequency component based on the original image data;
Means for changing the value of the high-frequency component based on the gradation conversion processing;
An image processing apparatus comprising: means for generating image data from a high-frequency component whose value has been changed. 原画像データに対し階調変換処理及び周波数処理を施す画像処理方法を実行するためのプログラムを記憶したコンピュータ読み取り可能な記憶媒体であって、
前記階調変換処理を施す範囲を図表化して表示するための表示処理と、
前記原画像データに基づく高周波成分を生成する処理と、
前記階調変換処理に基づき前記高周波成分の値を変更する処理と、
前記値を変更した高周波成分から画像データを生成する処理とを実行するためのプログラムを記憶したコンピュータ読み取り可能な記憶媒体。A computer-readable storage medium storing a program for executing an image processing method for performing gradation conversion processing and frequency processing on original image data,
A display process for graphically displaying the range to which the gradation conversion process is performed;
Processing to generate a high-frequency component based on the original image data;
A process of changing the value of the high-frequency component based on the gradation conversion process;
A computer-readable storage medium storing a program for executing processing for generating image data from a high-frequency component whose value has been changed.
JP27228198A 1998-09-18 1998-09-25 Image processing apparatus, method, and computer-readable storage medium Expired - Fee Related JP3937607B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP27228198A JP3937607B2 (en) 1998-09-25 1998-09-25 Image processing apparatus, method, and computer-readable storage medium
US09/396,740 US7050648B1 (en) 1998-09-18 1999-09-15 Image processing apparatus, image processing method, and recording medium
US10/912,129 US7564582B2 (en) 1998-09-18 2004-08-06 Image processing apparatus, image processing method, and recording medium
US11/146,054 US7636495B2 (en) 1998-09-18 2005-06-07 Image processing apparatus, image processing method, and recording medium

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Application Number Priority Date Filing Date Title
JP27228198A JP3937607B2 (en) 1998-09-25 1998-09-25 Image processing apparatus, method, and computer-readable storage medium

Publications (3)

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JP2000099707A JP2000099707A (en) 2000-04-07
JP2000099707A5 true JP2000099707A5 (en) 2005-07-28
JP3937607B2 JP3937607B2 (en) 2007-06-27

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Publication number Priority date Publication date Assignee Title
JP4846925B2 (en) * 2001-06-01 2011-12-28 キヤノン株式会社 Image processing apparatus, image processing system, image processing method, storage medium, and program
JP4777456B2 (en) * 2009-12-17 2011-09-21 株式会社東芝 X-ray diagnostic equipment
JP6926856B2 (en) * 2017-09-07 2021-08-25 コニカミノルタ株式会社 Radiation image processing equipment, programs and radiation image processing methods

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