Information processing apparatus and method, and program

Patent metadata

Field	Value
Publication number	US-9014537-B2
Application number	US-82511707-A
Country	US
Kind code	B2
Filing date	Jul 3, 2007
Priority date	Jul 4, 2006
Publication date	Apr 21, 2015
Grant date	Apr 21, 2015

Abstract

An information processing apparatus may generate resource information used for playing back image content that can be divided into a plurality of zones. The information processing apparatus may include an image generator generating a still image from each of the plurality of zones, a face processor setting each of the plurality of zones to be a target zone and determining whether a face of a specific character which is determined to continuously appear in at least one zone before the target zone is contained in the still image generated from the target zone, and an information generator specifying, on the basis of a determination result obtained for each of the plurality of zones by the face processor, at least one zone in which the face of the specific character continuously appears as a face zone, and generating information concerning the face zone as one item of the resource information.

First claim

What is claimed is:

1. An information processing apparatus that generates resource information used for playing back image content that can be divided into a plurality of zones, comprising:
an image generator for generating a still image from each of the plurality of zones;
a face processor for setting each of the plurality of zones to be a target zone and for determining whether a face of a specific character which is determined to continuously appear in at least one zone before the target zone is contained in the still image generated from the target zone by the image generator; and
an information generator for specifying, on the basis of a determination result obtained for each of the plurality of zones by the face processor, at least one zone in which the face of the specific character continuously appears as a face zone, and for generating information concerning the face zone as one item of the resource information, the information concerning the face zone specifying at least two thumbnail images, a face thumbnail image and another thumbnail image, the face thumbnail image representing only a face image extracted from the still image, and the another thumbnail image representing all of the still image.

2. The information processing apparatus according to claim 1 , wherein, when at least one zone which is determined to contain the face of the specific character by the face processor is continues, the information generator specifies the at least one continuous zone as the face zone.

3. The information processing apparatus according to claim 2 , wherein, when a third continuous zone including at least one zone which is determined not to contain the face of the specific character by the face processor is present between a first continuous zone and a second continuous zone, each including at least one zone which is determined to contain the face of the specific character by the face processor, and when a length of the third continuous zone is smaller than or equal to a threshold, the information generator specifies the first continuous zone, the third continuous zone, and the second continuous zone as one face zone, and, when the length of the third continuous zone exceeds the threshold, the information generator specifies the first continuous zone and the second continuous zone as different face zones.

4. The information processing apparatus according to claim 1 , wherein the face processor attempts to detect a face of a specific character from the still image generated from the target zone, and when a face is detected, the face processor generates a face image by extracting an area containing the detected face from the still image generated from the target zone, and sets the face image generated from the target zone to be a first comparison subject and sets the latest face image selected from among face images of the specific character generated from zones before the target zone to be a second comparison subject, and compares the first comparison subject with the second comparison subject, and determines on the basis of comparison results whether the specific character is contained in the still image generated from the target zone.

5. The information processing apparatus according to claim 4 , wherein the face processor includes a table representing information concerning the specific character and lists information concerning whether the specific character is contained in the still image generated from the target zone in the table, and
the information generator specifies the face zone on the basis of the information of the table listed by the face processor.

6. The information processing apparatus according to claim 5 , wherein information concerning each of at least one specific character is listed in the table, and
when at least one face image is generated as a result of detecting at least one face from the still image generated from the target zone, the face processor sets each of the at least one face image generated from the still image generated from the target zone to be the first comparison subject and sets each of the at least one face image of the at least one specific character contained in the table to be the second comparison subject, and performs matching processing on all combinations of the at least one face image in the first comparison subject and the at least one face image in the second comparison subject to calculate scores as a result of the matching processing, and selects at least one matching pair which is determined to be a combination of face images of an identical person from all the combinations, and determines that, among the at least one specific character contained in the table, a specific character of each of the at least one matching pair corresponding to the second comparison subject is contained in the still image generated from the target zone, and determines that other characters are not contained in the still image, and lists determination results in the table.

7. The information processing apparatus according to claim 6 , wherein, concerning a combination which is not selected as a matching pair, the face processor adds a character corresponding to a face image contained in the first comparison subject to the table as a new character.

8. The information processing apparatus according to claim 6 , wherein the face processor excludes, among all the combinations, a combination whose score is smaller than or equal to a predetermined threshold from selection candidates of the matching pair.

9. The information processing apparatus according to claim 6 , wherein, when a zone in which a first comparison subject is generated and a zone in which a second comparison subject is generated are separated from each other by a predetermined interval or greater, the face processor excludes a combination including the first comparison subject and the second comparison subject from selection candidates of the matching pair.

10. An information processing method for an information processing apparatus that generates resource information used for playing back image content that can be divided into a plurality of zones, comprising:
setting each of the plurality of zones to be a target zone;
generating a still image from the target zone;
determining whether a face of a specific character which is determined to continuously appear in at least one zone before the target zone is contained in the still image generated from the target zone; and
specifying, on the basis of a determination result obtained for each of the plurality of zones, at least one zone in which the face of the specific character continuously appears as a face zone, and generating information concerning the face zone as one item of the resource information, the information concerning the face zone specifying at least two thumbnail images, a face thumbnail image and another thumbnail image, the face thumbnail image representing only a face image extracted from the still image, and the another thumbnail image representing all of the still image.

11. A non-transitory computer-readable medium storing a program executed by a computer for controlling processing for generating resource information used for playing back image content that can be divided into a plurality of zones, the processing comprising:
setting each of the plurality of zones to be a target zone;
generating a still image from the target zone;
determining whether a face of a specific character which is determined to continuously appear in at least one zone before the target zone is contained in the still image generated from the target zone; and
specifying, on the basis of a determination result obtained for each of the plurality of zones, at least one zone in

Assignees

• Ogawa Kaname
• Jinno Hiroshi
• Yamada Makoto
• Kanota Keiji
• Sony Corp

Inventors

• Ogawa Kaname
• Jinno Hiroshi
• Yamada Makoto
• Kanota Keiji

Classifications

• G11B27/28 Primary

  by using information signals recorded by the same method as the main recording {(G11B27/22 takes precedence)} · CPC title

• G06F17/30852

  Physics · mapped topic

• G06F17/30817

  Physics · mapped topic

• G06F17/30793

  Physics · mapped topic

• G06V40/172

  Classification, e.g. identification · CPC title