Image processing apparatus and method, and program

An image processing method for an image processing apparatus including

• detecting means for detecting a degree of blur of an input image on the basis of the input image,
• selecting means for selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of a detection result of the degree of blur, and
• image processing means for performing the selected image processing operation on the input image,
• the image processing method comprising the steps of:
• detecting, with the detecting means, the degree of blur of the input image;
• selecting, with the selecting means, the image processing operation;
• and
• performing, with the image processing means, the selected image processing operation on the input image.

A program causing a computer to execute a process including the steps of:

• detecting a degree of blur of an input image on the basis of the input image;
• selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of a detection result of the degree of blur;
• and
• performing the selected image processing operation on the input image.

An image processing apparatus comprising:

• extracting means for extracting feature quantities of a plurality of features from an input image on the basis of the input image;
• selecting means for selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the feature quantities of the plurality of features;
• and
• image processing means for performing the selected image processing operation on the input image.

An image processing method for an image processing apparatus including

• extracting means for extracting feature quantities of a plurality of features from an input image on the basis of the input image,
• selecting means for selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the feature quantities of the plurality of features, and
• image processing means for performing the selected image processing operation on the input image,
• the image processing method comprising the steps of:
• extracting, with the extracting means, the feature quantities from an input image;
• selecting, with the selecting means, the image processing operation;
• and
• performing, with the image processing means, the selected image processing operation on the input image.

A program causing a computer to execute a process including the steps of:

• extracting feature quantities of a plurality of features from an input image on the basis of the input image;
• selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the feature quantities of the plurality of features;
• and
• performing the selected image processing operation on the input image.

An image processing apparatus comprising:

• generating means for generating subject specifying information for specifying a region of a subject in an input image by extracting a first feature quantity of a feature held in the region of the subject from the input image;
• detecting means for detecting, on the basis of the input image and the subject specifying information, a degree of blur of a subject region, which is the region of the subject in the input image, and a degree of blur of a background region, which is a region other than the subject region in the input image;
• extracting means for extracting a second feature quantity of a plurality of features different from the degrees of blur from the subject region and the background region on the basis of the input image;
• selecting means for selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the degrees of blur and the second feature quantity;
• and
• image processing means for performing the selected image processing operation on at least one of the subject region and the background region of the input image.

An image processing method for an image processing apparatus including

• generating means for generating subject specifying information for specifying a region of a subject in an input image by extracting a first feature quantity of a feature held in the region of the subject from the input image,
• detecting means for detecting, on the basis of the input image and the subject specifying information, a degree of blur of a subject region, which is the region of the subject in the input image, and a degree of blur of a background region, which is a region other than the subject region in the input image,
• extracting means for extracting a second feature quantity of a plurality of features different from the degrees of blur from the subject region and the background region on the basis of the input image,
• selecting means for selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the degrees of blur and the second feature quantity, and
• image processing means for performing the selected image processing operation on at least one of the subject region and the background region of the input image,
• the image processing method comprising the steps of:
• generating, with the generating means, the subject specifying information;
• detecting, with the detecting means, the degree of blur of the subject region and the background region;
• extracting, with the extracting means, the second feature quantity from the subject region and the background region;
• selecting, with the selecting means, the image processing operation;
• and
• performing, with the image processing means, the selected image processing operation on at least one of the subject region and the background region of the input image.

A program causing a computer to execute a process including the steps of:

• generating subject specifying information for specifying a region of a subject in an input image by extracting a first feature quantity of a feature held in the region of the subject from the input image;
• detecting, on the basis of the input image and the subject specifying information, a degree of blur of a subject region, which is the region of the subject in the input image, and a degree of blur of a background region, which is a region other than the subject region in the input image;
• extracting a second feature quantity of a plurality of features different from the degrees of blur from the subject region and the background region on the basis of the input image;
• selecting any of a plurality of image processing operations for subjecting the input image to processing by reducing an information amount of information included in the input image on the basis of the degrees of blur and the second feature quantity;
• and
• performing the selected image processing operation on at least one of the subject region and the background region of the input image.