JP2006019930A5

JP2006019930A5 -

Info

Publication number: JP2006019930A5
Application number: JP2004194287A
Authority: JP
Filing date: 2004-06-30
Publication date: 2006-03-02
Anticipated expiration: 2024-06-30

Claims

Extracting means for extracting a face region from an image;
Setting means for setting the processing intensity of the sharpening process for each pixel in the face area;
The setting means sets the processing intensity using a first parameter that decreases in value as the pixel position approaches the boundary at least near the boundary of the face region,
An image processing apparatus, comprising: a sharpening unit that applies a sharpening process to each pixel of the face area extracted by the extraction unit with a processing intensity set by the setting unit.

The image processing apparatus according to claim 1, wherein the setting unit determines a maximum value of the first parameter based on a size of the face area.

The said setting means sets the said process intensity | strength further using the 2nd parameter showing the flatness of the value of the said pixel, and the value of a neighboring pixel for every pixel, It is characterized by the above-mentioned. The image processing apparatus described.

The image processing apparatus according to claim 1, wherein the setting unit sets the processing intensity by further using a third parameter that decreases as the sharpness of the face area increases. .

The said setting means sets the said processing speed further using the 4th parameter determined from the focus position and face area when the said face area was imaged. The image processing apparatus described.

The image processing apparatus according to claim 1, wherein the setting unit sets the processing intensity by further using a fifth parameter whose processing intensity is changed according to a printing condition.

The image processing apparatus according to claim 6, wherein the printing condition is a printing mode.

The image processing apparatus according to claim 6, wherein the print condition is a print size.

The image processing apparatus according to claim 6, wherein the printing condition is a printing medium.

Extracting means for extracting a face region from an image;
First setting means for setting a processing strength of a sharpening process for each pixel with respect to the face area;
A plurality of face areas extracted by the extraction means, and when there are overlapping areas, second setting means for setting the strength of the sharpening process for each pixel of the overlapping areas;
The second setting means is configured for each pixel of the overlap area based on a plurality of processing intensities obtained by setting a processing speed with the first setting means for each of the plurality of face areas providing the overlap area. Set the strength of sharpening process,
Sharpening means for applying a sharpening process to each pixel in an area where the face areas overlap among the face areas extracted by the extracting means with a processing intensity set by the second setting means, An image processing apparatus.

The image processing apparatus according to claim 10, wherein the second setting unit sets, for each pixel, a maximum one of the plurality of processing intensities as a processing intensity of the pixel.

The image processing apparatus according to claim 10, wherein the second setting unit sets, for each pixel, a processing intensity with a larger face area among the plurality of processing intensities as a processing intensity of the pixel. .

The image processing apparatus according to claim 10, wherein the second setting unit sets, for each pixel, an average value of the plurality of processing intensities as a processing intensity of the pixel.

A determination means for determining the sharpness of the images of the plurality of face regions;
14. The apparatus according to claim 10, further comprising a prohibiting unit that prohibits a sharpening process by the sharpening unit for a partial region in which the sharpness determined by the determining unit exceeds a predetermined threshold. The image processing apparatus according to any one of the above.

An extraction step of extracting a face region from the image;
A setting step for setting a processing intensity of a sharpening process for each pixel in the face area;
The setting step sets the processing intensity using a first parameter that decreases in value as the pixel position approaches the boundary at least near the boundary of the face region,
A sharpening step of applying a sharpening process to each pixel of the face area extracted in the extraction step with the processing intensity set in the setting step.

An extraction step of extracting a face region from the image;
A first setting step of setting a processing strength of a sharpening process for each pixel with respect to the face area;
When a plurality of face regions are extracted in the extraction step and their overlapping regions exist, a second setting step for setting the strength of sharpening processing for each pixel of the overlapping region;
In the second setting step, each pixel of the overlapping region is determined based on the plurality of processing intensities obtained by setting the processing speed in the first setting step for each of the plurality of face regions providing the overlapping region. Set the strength of sharpening process,
A sharpening step in which a sharpening process is applied to each pixel in a region where the face regions overlap in the face region extracted in the extraction step with a processing intensity set in the second setting step. Image processing method.

A control program for causing a computer to execute the image processing method according to claim 15.

A storage medium storing a control program for causing a computer to execute the image processing method according to claim 15.