# US 9,438,790 B2 · Image processing apparatus, image processing method, and imaging apparatus

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- Number: US 9,438,790 B2
- Document ID: US9438790B2
- Status: Granted
- Kind: B2
- Application number: 14/207,208
- Filed: 2014-03-12
- Published: 2014-09-25
- Granted: 2016-09-06
- Earliest claimed: 2013-03-19
- Assignees: Panasonic Intellectual Property Management Co., Ltd.
- Applicants: Panasonic Corporation
- Inventors: Koji Takayama
- Web page: https://patentgrep.com/patent/US9438790B2

## CPC

- H04N 23/611: where the recognised objects include parts of the human body
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

The present technique has a face detection unit configured to detect a face region which is determined as a face in an image, a position specifying unit configured to specify a particular position in the image, a range specifying unit configured to set a hue range which has a first range containing a hue at a position specified by the position specifying unit in a case where the position specified by the position specifying unit is not contained in the face region and to set a hue range which has a second range containing a hue at a position specified by the position specifying unit and wider than the first range in a case where the position specified by the position specifying unit contains the face region, and image processing unit for performing image conversion processing based on color information contained in the hue range.

## Claims

### Claim 1

An image processing apparatus comprising:
a face detection unit configured to detect a face region which is determined as a face in an image;
a position specifying unit configured to specify a particular position in the image in response to user operation;
a range specifying unit configured to set a hue range which has a first range containing a hue at a position specified by the position specifying unit in a case where the position is not contained in the face region and to set a hue range which has a second range containing a hue at a position specified by the position specifying unit and wider than the first range in a case where the position specified by the position specifying unit is contained in the face region; and
an image processing unit configured to perform image conversion processing based on color information contained in the hue range set by the range specifying unit.

### Claim 2 (depends on 1)

The image processing apparatus according to claim 1, wherein the image processing unit is configured to take color information contained in the hue range at the position specified by the position specifying unit as standard color information and perform image conversion processing for changing color information of a particular region of the image, the particular region of the image having color information which is not contained in the standard color information.

### Claim 3 (depends on 1)

The image processing apparatus according to claim 1, wherein the image processing unit is configured to take color information contained in the hue range at the position specified by the position specifying unit as standard color information and perform image conversion processing for achromatizing a particular region of the image, the particular region of the image having color information which is not contained in the standard color information.

### Claim 4

An image processing method comprising:
detecting a face region which is determined as a face in an image;
specifying a particular position in the image in response to user operation;
setting a hue range which has a first range containing a hue at a position specified by the user operation in a case where the position specified by user operation is not contained in the face region and setting a hue range which has a second range containing a hue at a position specified by user operation and wider than the first range in a case where the position specified by user operation is contained in the face region; and
performing image conversion processing based on color information contained in the hue range.

### Claim 5 (depends on 4)

The image processing method according to claim 4, further comprising:
performing image conversion processing for changing color information of a particular region of the image, the particular region of the image having color information which is not contained in a standard color information, the standard color information being color information contained in the hue range at the position specified by user operation.

### Claim 6 (depends on 4)

The image processing method according to claim 4, further comprising:
performing image conversion processing for achromatizing a particular region of the image, the particular region of the image having color information which is not contained in the standard color information, the standard color information being color information contained in the hue range at the position specified by user operation.

### Claim 7

An imaging apparatus comprising:
an imaging unit for capturing a subject image;
a data recording unit for recording image data generated based on the subject image captured by the imaging unit;
a display unit for displaying an image based on the image data recorded in the data recording unit; and
an image processing apparatus configured to perform image processing on the image displayed on the display unit,
wherein the image processing apparatus comprises:
a controller unit configured to set a hue range which has a first range containing a hue at a position specified by user operation in a case where a particular position in the image specified by user operation is not contained in a face region of the image and to set a hue range which has a second range containing a hue at a position specified by user operation and wider than the first range in a case where a particular position in the image specified by user operation is contained in the face region; and
an image processing unit configured to perform image conversion processing based on color information contained in the hue range set by the controller unit.

### Claim 8 (depends on 7)

The imaging apparatus according to claim 7, wherein the image processing unit is configured to take color information contained in the hue range at the position specified by user operation as standard color information and perform image conversion processing for changing color information of a particular region of the image, the particular region of the image having color information which is not contained in the standard color information.

### Claim 9 (depends on 7)

The imaging apparatus according to claim 7, wherein the image processing unit is configured to take color information contained in the hue range at the position specified by user operation as standard color information and perform image conversion processing for achromatizing a particular region of the image, the particular region of the image having color information which is not contained in the standard color information.
