Particular-region detection method and apparatus, and program therefor
First Claim
1. A method of detecting particular regions, comprising:
- detecting particular region candidates in an image;
then performing face detection in a region including one of the thus detected particular region candidates; and
specifying as a particular region of a detection target said one particular region candidate that is included in said region where a face can be detected;
wherein detection conditions is changed for at least one of said detection of said particular region candidates and said face detection between main and non-main portion regions of said image, face information regarding said face detected in said region including said one particular region candidate is stored, and said face detection corresponding to a particular region candidate to be next subjected to said face detection is performed using the thus stored face information.
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Abstract
The particular region detecting method and apparatus detect particular region candidates in an image, then perform face detection in a region including one of the detected particular region candidates and specify as a particular region of a detection target the one candidate included in the region where a face can be detected. In the method and apparatus, detection conditions is changed for at least one of the candidate detection and the face detection between main and non-main portion regions of the image, face information regarding the face detected in the region is stored and the face detection corresponding to a particular region candidate to be next subjected to the face detection is performed using the thus stored face information. The program is caused a computer to execute the method.
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Citations
12 Claims
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1. A method of detecting particular regions, comprising:
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detecting particular region candidates in an image;
then performing face detection in a region including one of the thus detected particular region candidates; and
specifying as a particular region of a detection target said one particular region candidate that is included in said region where a face can be detected;
wherein detection conditions is changed for at least one of said detection of said particular region candidates and said face detection between main and non-main portion regions of said image, face information regarding said face detected in said region including said one particular region candidate is stored, and said face detection corresponding to a particular region candidate to be next subjected to said face detection is performed using the thus stored face information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for detecting particular regions, comprising:
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particular region candidate detection means for detecting particular region candidates from an image using fed image data of said image;
face detection means for performing face detection in a region including one of said particular region candidates detected by said particular region candidate detection means;
specifying means for specifying as a particular region of a detection target said one particular region candidate that is included in said region where a face can be detected by said face detection means; and
storing means for storing face information regarding said face detected in said region including said one particular region candidate by said face detection means, wherein at least one of said particular region candidate detection means and said face detection means changes detection conditions of said detection target between main and non-main portion regions of said image, and said face detection means reads said face information from said storing means and uses the thus read face information to perform said face detection corresponding to a particular region candidate to be next subjected to said face detection. - View Dependent Claims (9, 10)
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11. A program for causing a computer to execute:
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a particular region candidate detection step of detecting particular region candidates from an image using fed image data of said image;
a face detection step of performing face detection in a region including.one of said particular region candidates detected in said particular region candidate detection step;
a specifying step of specifying as a particular region of a detection target said one particular region candidate that is included in said region where a face can be detected in said face detection step; and
a storing step of storing in a storage medium face information regarding said face detected in said region including said one particular region candidate by said face detection step, wherein said computer is caused to change detection conditions of said detection target between main and non-main portion regions of said image in at least one of said particular region candidate detection step and said face detection step, and perform said face detection in said face detection step by reading said face information from said storage medium for use in said face detection when performing said face detection corresponding to a particular region candidate to be next subjected to said face detection. - View Dependent Claims (12)
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Specification