JP2016136374A5

JP2016136374A5 -

Info

Publication number: JP2016136374A5
Application number: JP2015164180A
Authority: JP
Filing date: 2015-08-21
Publication date: 2018-09-27
Anticipated expiration: 2035-08-21

Description

上記目的を達成するため、本発明による画像処理装置は以下の構成を備える。即ち、
画像を入力する入力手段と、
前記入力手段により入力された画像から低周波成分画像を取得する第１取得手段と、
前記第１取得手段により取得された低周波成分画像を変形して変形済み低周波成分画像を得る第１変形手段と、
前記入力手段により入力された画像を変形する第２変形手段と、
前記第２変形手段により得られた前記変形済み画像から変形済み高周波成分画像を取得する第２取得手段と、
前記第１変形手段により得られた前記変形済み低周波成分画像と、前記第２取得手段により取得された前記変形済み高周波成分画像とを合成することで得られる合成画像を表示手段に表示させる表示制御手段と、を備える。
In order to achieve the above object, an image processing apparatus according to the present invention comprises the following arrangement. That is,
An input means for inputting an image;
First acquisition means for acquiring a low-frequency component image from the image input by the input means;
First deformation means for deforming the low frequency component image acquired by the first acquisition means to obtain a deformed low frequency component image;
Second deformation means for deforming the image input by the input means;
Second acquisition means for acquiring a deformed high-frequency component image from the deformed image obtained by the second deformation means;
Display that displays on the display means a composite image obtained by combining the deformed low-frequency component image obtained by the first deforming means and the deformed high-frequency component image obtained by the second obtaining means. Control means .

Claims

An input means for inputting an image;
First acquisition means for acquiring a low-frequency component image from the image input by the input means;
First deformation means for deforming the low frequency component image acquired by the first acquisition means to obtain a deformed low frequency component image;
Second deformation means for deforming the image input by the input means;
Second acquisition means for acquiring a deformed high-frequency component image from the deformed image obtained by the second deformation means;
Display that displays on the display means a composite image obtained by combining the deformed low-frequency component image obtained by the first deforming means and the deformed high-frequency component image obtained by the second obtaining means. the image processing apparatus characterized by comprising: a control means.

The second acquisition means includes
A third obtaining unit that obtains the deformed image or al low frequency component image obtained by the second modification means,
From the deformed image, and subtracting means for subtracting the low frequency component image of the deformed image to generate the deformed high-frequency component image,
The image processing apparatus according to claim 1, further comprising:

First multiplying means for multiplying the deformed low-frequency component image obtained by the first deforming means by a first constant;
A second multiplying means for multiplying a second constant to the deformed image obtained by the second modification means,
A third multiplier for multiplying the low-frequency component image acquired by the third acquisition unit by a third constant;
Said subtracting means, the second of said deformed image constant multiplied by, by subtracting the third prior SL low-frequency component image obtained by multiplying the constants, to generate the deformed high-frequency component image,
Wherein the display control unit, the display and the first of the deformed low-frequency component image constant multiplied by an image obtained by adding the said deformed high-frequency component image said subtraction means is generated as the composite image Display on the means,
The image processing apparatus according to claim 2.

The first acquisition unit acquires an image of a low frequency component lower than a first cutoff frequency from the input image as the low frequency component image,
The second acquisition means acquires an image of a high frequency component higher than a second cutoff frequency from the deformed image as the deformed high frequency component image,
The first cut-off frequency and the second cut-off frequency are frequencies having a value between 1/8 and 3/8 of a sampling frequency of an image input by the input means. The image processing apparatus according to any one of claims 1 to 3.

5. The image processing according to claim 4, wherein the first cutoff frequency and the second cutoff frequency are a quarter of a sampling frequency of an image input by the input unit. apparatus.

The first deformation means and the second deformation means deform the target image at a predetermined deformation rate,
The first acquisition unit acquires an image of a low frequency component lower than a first cutoff frequency from the input image as the low frequency component image,
The second acquisition means acquires an image of a high frequency component higher than a second cutoff frequency from the deformed image as the deformed high frequency component image,
4. The image processing apparatus according to claim 1, wherein the first cutoff frequency is obtained by multiplying the second cutoff frequency by the deformation rate. 5.

The first deformation means and the second deformation means deform the target image at a predetermined deformation rate,
The first acquisition unit acquires an image of a low frequency component lower than a first cutoff frequency from the input image as the low frequency component image,
The second acquisition means acquires an image of a high frequency component higher than a second cutoff frequency from the deformed image as the deformed high frequency component image,
4. The image processing apparatus according to claim 1, wherein the second cutoff frequency is obtained by dividing the first cutoff frequency by the deformation rate. 5.

The image input by the input means is represented as a gamma gradation value,
The first deformation means and the second deformation means are:
It means for converting Kiga image before expressed as gamma system gradation value to the linear system gradation value,
It means for deforming the Kiga image before represented as a linear system gradation value,
The image processing apparatus according to any one of a modified front Kiga images from claim 1, characterized in that it comprises a means for converting the gamma system gradation value 7.

9. The image deformation performed by the first deformation unit and the second deformation unit includes at least one of enlargement or reduction of an image and geometric deformation. The image processing apparatus according to item.

  An input means for inputting an image;
  First acquisition means for acquiring a low-frequency component image from the image input by the input means;
  Processing means for executing registration correction processing on the image input by the input means;
  Second acquisition means for acquiring a corrected high-frequency component image from the corrected image subjected to the registration correction processing by the processing means;
  Display control means for causing a display means to display a composite image obtained by combining the low-frequency component image acquired by the first acquisition means and the corrected high-frequency component image acquired by the second acquisition means;
An image processing apparatus comprising:

  The second acquisition means includes
  Third acquisition means for acquiring a low-frequency component image from the corrected image subjected to registration correction processing by the processing means;
  The image processing apparatus according to claim 10, further comprising: a subtracting unit that subtracts a low-frequency component image of the corrected image from the corrected image to generate the corrected high-frequency component image.

  First multiplication means for multiplying the low-frequency component image acquired by the first acquisition means by a first constant;
  Second multiplying means for multiplying the corrected image subjected to registration correction processing by the processing means by a second constant;
  A third multiplication unit that multiplies the low-frequency component image acquired by the third acquisition unit by a third constant;
  The subtracting unit subtracts the low frequency component image multiplied by the third constant from the corrected image multiplied by the second constant to generate the corrected high frequency component image,
  The display control means adds an image obtained by adding the low-frequency component image multiplied by the first constant and the corrected high-frequency component image generated by the subtraction means to the display means as the composite image. The image processing apparatus according to claim 11, wherein the image processing apparatus is displayed.

  The first acquisition unit acquires an image of a low frequency component lower than a first cutoff frequency from the input image as the low frequency component image,
  The second acquisition means acquires, as the corrected high frequency component image, an image of a high frequency component higher than a second cutoff frequency from the corrected image.
  The first cut-off frequency and the second cut-off frequency are frequencies having a value between 1/8 and 3/8 of a sampling frequency of an image input by the input means. The image processing apparatus according to claim 10.

The image according to claim 13, wherein the first cutoff frequency and the second cutoff frequency are a quarter of a sampling frequency of the image input by the input means. Processing equipment.

  The image input by the input means is represented as a gamma gradation value,
  The processing means includes
  Means for converting the input image represented as a gamma tone value into a linear tone value;
  Means for performing a registration correction process on the input image represented as a linear gradation value;
  The image processing apparatus according to claim 10, further comprising: a unit that converts the input image that has undergone the registration correction processing into a gamma gradation value.

The image processing apparatus according to claim 10, wherein the registration correction process performed by the processing unit includes geometric deformation of an image.

  An image processing method by an image processing apparatus,
  An input process for inputting an image;
  A first acquisition step of acquiring a low-frequency component image from the image input by the input step;
  A first deformation step of deforming the low-frequency component image acquired by the first acquisition step to obtain a deformed low-frequency component image;
  A second deformation step for deforming the image input in the input step;
  A second acquisition step of acquiring a deformed high-frequency component image from the deformed image obtained by the second deformation step;
  Display that displays on the display means a synthesized image obtained by synthesizing the transformed low-frequency component image obtained in the first transformation step and the transformed high-frequency component image obtained in the second acquisition step. And an image processing method comprising: a control step.

  An image processing method by an image processing apparatus,
  An input process for inputting an image;
  A first acquisition step of acquiring a low-frequency component image from the image input by the input step;
  A processing step of performing registration correction processing on the image input in the input step;
  A second acquisition step of acquiring a corrected high-frequency component image from the corrected image subjected to the registration correction processing by the processing step;
  A display control step of causing a display means to display a composite image obtained by combining the low frequency component image acquired in the first acquisition step and the corrected high frequency component image acquired in the second acquisition step; An image processing method comprising:

A computer program for causing a computer to function as each unit included in the image processing apparatus according to any one of claims 1 to 16 .