JP2013257844A5

JP2013257844A5 -

Info

Publication number: JP2013257844A5
Application number: JP2012135143A
Authority: JP
Filing date: 2012-06-14
Publication date: 2015-05-28

Description

本発明の一態様は、元画像から輪郭線を抽出する輪郭抽出手段と、上記輪郭抽出手段で抽出した輪郭線に対して予め設定した変換式によりゆらぎ処理を加えて変形する第１の処理手段と、上記元画像の所定の領域に上記予め設定した変換式によりゆらぎ処理を加えて変形する第２の処理手段と、上記第１の処理手段で変形処理した輪郭線と上記第２の処理手段で変形処理した領域画像を基に、画調変換した画像を作成する画調変換手段とを備えたことを特徴とする。 One aspect of the present invention is an outline extracting unit that extracts a contour line from an original image, and a first processing unit that deforms the contour line extracted by the contour extracting unit by subjecting the contour line to fluctuation processing using a preset conversion formula. A second processing unit that deforms the predetermined region of the original image by applying a fluctuation process by the preset conversion formula, a contour line that is deformed by the first processing unit, and the second processing unit And a tone conversion means for creating a tone-converted image based on the region image transformed in step ( b).

Claims

Contour extracting means for extracting a contour line from the original image;
First processing means for applying deformation processing to a contour line extracted by the contour extraction means according to a conversion equation set in advance and transforming the contour line;
Second processing means for deforming a predetermined region of the original image by applying a fluctuation process according to the preset conversion formula;
The image processing apparatus includes: a tone conversion unit that creates a tone-converted image based on the contour line deformed by the first processing unit and the region image deformed by the second processing unit. Image conversion device.

The image tone conversion unit includes a combining unit that combines the contour line deformed by the first processing unit and the region image deformed by the second processing unit. The image conversion apparatus according to claim 1, wherein the conversion is performed.

3. The image conversion apparatus according to claim 1, wherein the second processing means further includes third processing means for performing a reduction process on the region image subjected to the deformation process.

4. The image conversion apparatus according to claim 3, wherein the color reduction processing of the third processing means is processing for reducing the number of gradations of the area image subjected to the deformation processing.

4. The image conversion apparatus according to claim 3, wherein the color reduction processing of the third processing means is processing for reducing the number of colors of the region image subjected to the deformation processing.

6. The image conversion according to claim 1, wherein the preset conversion formula is at least one of an affine deformation conversion, a morphing conversion, and a warping conversion. apparatus.

7. The image conversion apparatus according to claim 6, wherein the first processing means performs deformation by adding fluctuation processing by changing a conversion coefficient of the preset conversion equation.

7. The image conversion apparatus according to claim 6, wherein the second processing means is modified by applying a fluctuation process by changing a conversion coefficient of the preset conversion equation.

A face detecting means for detecting a face from the original image;
The image according to any one of claims 1 to 8, wherein the second processing unit performs a deformation process based on the conversion formula on a predetermined region image including the face detected by the face detection unit. Conversion device.

A contour extraction step for extracting a contour line from the original image;
A first processing step of deforming the contour line extracted in the contour extraction step by applying a fluctuation process using a preset conversion formula;
A second processing step of deforming the predetermined region of the original image by applying a fluctuation process by the preset conversion formula;
And a tone conversion step of creating a tone-converted image based on the contour line deformed in the first processing step and the region image deformed in the second processing step. Image conversion method.

A program executed by a computer,
The above computer
Contour extracting means for extracting a contour line from the original image;
First processing means for applying a deformation process to the contour line extracted by the contour extraction means according to a conversion equation set in advance and transforming the contour line;
A second processing means for deforming a predetermined region of the original image by applying a fluctuation process according to the preset conversion formula; a contour line transformed by the first processing means; and a transformation by the second processing means. A program which functions as a tone conversion means for creating a tone-converted image based on a processed region image.