Image display apparatus and operation method thereof

Patent metadata

Field	Value
Publication number	US-10162423-B2
Application number	US-201415316452-A
Country	US
Kind code	B2
Filing date	Jul 8, 2014
Priority date	Jun 3, 2014
Publication date	Dec 25, 2018
Grant date	Dec 25, 2018

Abstract

A method of operating the video display device according to the embodiment of the present invention comprises acquiring a video of a video display device associated with a user; recognizing a gesture of the user in the acquired video; calculating a control amount with regard to the gesture based on the recognized gesture; and performing the control operation corresponding to the recognized gesture and the calculated control amount.

First claim

What is claimed is:

1. A method of operating a video display device, comprising:
acquiring a video associated with a user of the video display device;
recognizing a gesture of the user in the acquired video;
recognizing a gesture object and a reference object of the user based on the recognized gesture;
calculating a distance between the recognized gesture object and the recognized reference object;
calculating a control amount based on the calculated distance; and
performing a control operation corresponding to the recognized gesture and the calculated control amount,
wherein the calculating the control amount comprises:
recognizing the calculated control amount as a positive number when the gesture object is located in a first direction from the reference object and recognizing the calculated control amount as a negative number when the gesture object is located in the second direction from the reference object.

2. The method according to claim 1 , wherein the recognizing the gesture object and the reference object comprises recognizing a position of the gesture object and a position of the reference object in the acquired video.

3. The method according to claim 1 , wherein the calculating the distance comprises calculating the distance between the gesture object and the reference object based on one or more of an area, a size, and a length of each of the gesture object and the reference object.

4. The method according to claim 1 , wherein the calculating the distance comprises calculating the distance between the gesture object and the reference object based on a ratio between the gesture object and the reference object.

5. The method according to claim 1 , wherein the gesture object is an object corresponding to the gesture of the user.

6. The method according to claim 1 , wherein the reference object is a reference for calculating the control amount.

7. The method according to claim 1 , wherein the gesture object and the reference object are different objects from each other.

8. The method according to claim 1 , wherein the recognizing the gesture of the user comprises comparing one or more of a shape and a movement of the recognized gesture with one or more of a shape and a movement of a previously stored gesture.

9. The method according to claim 1 , wherein the performing the control operation comprises performing one or more control operations including a channel change operation, a volume control operation, a screen zoom-in operation, a screen zoom-out operation, a screen movement operation, a pointer movement operation, a screen setting operation, and a volume setting operation.

10. A video display device, comprising:
a video acquisition unit configured to acquire a video associated with a user of the video display device; and
a control unit configured to recognize a gesture of the user in the acquired video associated with the user, recognize a gesture object and a reference object of the user based on the recognized gesture, calculate a distance between the recognized gesture object and the recognized reference object, calculate a control amount based on the calculated distance, and perform a control operation corresponding to the recognized gesture and the calculated control amount,
wherein the control unit is further configured to recognize the calculated control amount as a positive number when the gesture object is located in a first direction from the reference object and recognize the calculated control amount as a negative number when the gesture object is located in a second direction from the reference object.

11. The video display device according to claim 10 , wherein the control unit is further configured to calculate the distance between the gesture object and the reference object based on one or more of an area, a size, and a length of each of the gesture object and the reference object.

12. The video display device according to claim 10 , wherein the control unit is further configured to calculate the distance between the gesture object and the reference object based on a ratio between the gesture object and the reference object.

13. The video display device according to claim 10 , wherein the gesture object is an object corresponding to the gesture of the user.

14. The video display device according to claim 10 , wherein the reference object is an object which is a reference for calculating the control amount.

15. The video display device according to claim 10 , wherein the control unit is configured to perform one or more control operations including a channel change operation, a volume control operation, a screen zoon-in operation, a screen zoon-out operation, a screen movement operation, a pointer movement operation, a screen setting operation, and a volume setting operation of a video display device based on a recognized gesture and a calculated control amount.

16. The video display device according to claim 10 , further comprising a storage unit storing one or more of a shape and a movement of a gesture mapped to the control amount.

17. The video display device according to claim 16 , wherein the control unit is further configured to recognize the gesture of the user by comparing one or more of a shape and a movement of the recognized gesture with one or more of a shape and a movement of a previously stored gesture.

Assignees

• Lg Electronics Inc

Inventors

• Ahn Wooseok
• Kang Sangkyu
• Oh Hyeongchul
• Park Sewon

Classifications

• H04N21/4383

  Accessing a communication channel · CPC title

• G06F3/005

  Input arrangements through a video camera · CPC title

• G06F3/017 Primary

  Gesture based interaction, e.g. based on a set of recognized hand gestures (interaction based on gestures traced on a digitiser G06F3/04883) · CPC title

• A63F13/428

  involving motion or position input signals, e.g. signals representing the rotation of an input controller or a player's arm motions sensed by accelerometers or gyroscopes · CPC title

• G06F3/03

  Arrangements for converting the position or the displacement of a member into a coded form · CPC title