JP2005295490A5

JP2005295490A5 -

Info

Publication number: JP2005295490A5
Application number: JP2004182016A
Authority: JP
Filing date: 2004-06-21
Publication date: 2007-07-19
Anticipated expiration: 2024-06-21

Claims

An image processing apparatus,
Main subject image data determining means for determining main subject image data corresponding to a main subject that is a subject characterizing the image in image data;
A characteristic acquisition means for acquiring a characteristic of the main object image data the determined,
A correction condition acquisition means for acquiring a correction condition corresponding to the acquired characteristic,
The image processing apparatus and an image quality adjusting means for adjusting the image quality of the main object image data based on the acquired correction conditions.

The image processing apparatus according to claim 1.
Wherein the correction condition corresponding to the acquired characteristic, a correction reference value,
The image processing device adjusts the image quality of the main subject image data so as to eliminate or reduce a difference between the acquired characteristic value and the correction reference value.

The image processing apparatus according to claim 2,
The main subject image data is classified into a plurality of main subject image data for different color gamuts for the same main subject,
An image processing apparatus in which a plurality of correction reference values are prepared for each classified main subject image data.

An image processing apparatus according to any one of claims 1 to 3,
The main subject image data determination unit is an image processing apparatus that divides the image data into a plurality of image data areas and determines the main subject image data based on position information and color gamut information of each image data area.

An image processing apparatus for improving the image quality of a main subject that is a subject characterizing an image,
Main subject image data specifying means for specifying main subject image data corresponding to the main subject in the image data;
A color value acquisition means for acquiring color values of the main object image data the specific,
A main object classification unit to classify the main object by using the acquired color values,
A reference color value acquiring means for acquiring the reference color values corresponding to the main object described above classification,
The image processing apparatus and an image quality adjusting means for adjusting the image quality of the main object image data using the color value and the reference color values that the acquired.

The image processing apparatus according to claim 5.
The image quality adjusting means is
A correction amount determining means for determining a correction amount so that to eliminate or reduce the difference between the color value and the reference color values,
The image processing apparatus and a picture quality correction means for correcting the image quality of the image data in the main subject region by applying a correction amount the determined to the color value.

The image processing apparatus according to claim 6,
The correction amount determining means, an image processing apparatus for determining the pre-Symbol correction amount according to the difference amount.

The image processing apparatus according to claim 6, further comprising:
The low correction target data to be subjected to the correction amount hereinafter correction in the image data, the low correction target data determination means for determining based on the color values,
An image processing apparatus comprising: a low correction execution unit that applies the low correction amount to the color value to correct the image quality of the low correction target data.

The image processing apparatus according to claim 8,
The image processing apparatus, wherein the low correction target data is data other than the main subject image data in the image data.

The image processing apparatus according to claim 5.
The main subject is classified into a plurality of main subjects for different color gamuts for the same main subject,
An image processing apparatus in which a plurality of reference color values are prepared for each classified main subject.

The image processing apparatus according to claim 10,
The image quality adjusting means is
According to the calculation expression to be changed according to the type of categorized the main subject, a correction amount determining means for determining a correction amount so that to eliminate or reduce the difference between the color value and the reference color values,
An image processing apparatus comprising: an image quality correction unit that applies the determined correction amount to the color value to correct image quality of at least a part of the image data in the main subject data.

An image processing apparatus according to any one of claims 5 to 11,
The main subject image data is identified by dividing the image data into a plurality of image data areas and using position information and color gamut information of each image data area.

The image processing apparatus according to any one of claims 1 to 12,
The color gamut is an image processing apparatus using hue, saturation, and lightness as parameters.

An image processing method comprising:
Determining main subject image data corresponding to a main subject which is a subject characterizing the image in the image data;
Gets the characteristics of the main object image data the determined,
Gets the correction condition corresponding to the acquired characteristic,
An image processing method of adjusting the image quality of the main object image data using the acquired correction conditions.

An image processing method for improving the image quality of a main subject that characterizes an image,
Identifying main subject image data corresponding to the main subject in the image data;
Gets the color value of the main object image data the specific,
It categorizes the main object by using the acquired color values,
Get the reference color values corresponding to the main object described above classification,
An image processing method of adjusting the image quality of the main object image data using the color value and the reference color values that the acquired.