GESTURE RECOGNITION APPARATUS AND CONTROL METHOD OF GESTURE RECOGNITION APPARATUS

• US 20150261409A1
• Filed: 02/03/2015
• Published: 09/17/2015
• Est. Priority Date: 03/12/2014
• Status: Abandoned Application

• Current Assignee: Omron Corporation
• Original Assignee: Omron Corporation
• Inventors: Tanaka, Kiyoaki
• Application Number:
  US14/612,754
• Publication Number:
  US 20150261409A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/0304 Detection arrangements using opto-electronic means constructional details of pointing devices not related to the detection arrangement using opto-electronic means G06F3/033; optical digitisers G06F3/042
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text

Abstract

A gesture recognition apparatus detecting a gesture from an acquired image and transmitting an instruction to move a pointer in correspondence with the gesture to an object device, the gesture recognition apparatus includes an image acquiring unit configured to acquire an image; a gesture acquiring unit configured to acquire a shape of an object part performing a gesture and a motion of the object part from the acquired image; and a pointer control unit configured to generate an instruction to move a pointer in correspondence with a motion of the object part, and to output the instruction to the object device, wherein the pointer control unit determines a movement amount of the pointer based on the shape of the object part and the motion of the object part.

Claims

1. A gesture recognition apparatus detecting a gesture from an acquired image and transmitting an instruction to move a pointer in correspondence with the gesture to an object device,

the gesture recognition apparatus including:

an image acquiring unit configured to acquire an image;

a gesture acquiring unit configured to acquire a shape of an object part performing a gesture and a motion of the object part from the acquired image; and

a pointer control unit configured to generate an instruction to move a pointer in correspondence with a motion of the object part, and to output the instruction to the object device, wherein

the pointer control unit determines a movement amount of the pointer based on the shape of the object part and the motion of the object part.

2. The gesture acquiring apparatus according to claim 1, wherein

the gesture acquiring unit is configured to further acquire a size of the object part from the acquired image, and

the pointer control unit is configured to determine a movement amount of the pointer further based on the size of the object part.

3. The gesture acquiring apparatus according to claim 1, wherein

the gesture acquiring unit is configured to determine whether a shape of the object part is a first shape or a second shape that differs from the first shape, and

the pointer control unit is configured to further increase the movement amount of the pointer when the shape of the object part is the first shape, as compared to when the shape of the object part is the second shape.

4. The gesture recognition apparatus according to claim 3, wherein

the object part is a human hand,

the first shape is a shape by which it is presumable that a gesture is being performed by moving a fingertip, and

the second shape is a shape by which it is presumable that a gesture is being performed by moving an entire hand.

5. The gesture acquiring apparatus according to claim 4, wherein

the gesture acquiring unit is configured to determine that a shape of a hand that is an object part is a first shape when at least one of the fingers is raised and to deteLmine that the shape of the hand is a second shape when all of the fingers are raised.

6. The gesture acquiring apparatus according to claim 4, wherein

the gesture acquiring unit is configured to determine that a shape of a hand that is an object part is a first shape when only one finger is extended.

7. The gesture acquiring apparatus according to claim 1, wherein

the pointer control unit is configured to

set a recognition region that is a region, the coordinates of which are associated with a display screen provided on the object device in the acquired image,

determine a position of a pointer by mapping a motion of an object part in the recognition region onto the display screen, and

change a size of the recognition region, based on a shape of the object part.

8. A control method of a gesture recognition apparatus detecting a gesture from an acquired image and transmitting an instruction to move a pointer in correspondence with the gesture to an object device,

the control method comprising:

acquiring an image;

acquiring a shape of an object part performing a gesture and a motion of the object part from the acquired image; and

generating an instruction to move a pointer in correspondence with a motion of the object part and outputting the instruction to the object device, wherein

in the step of generating and outputting the instruction, a movement amount of the pointer is determined, based on the shape of the object part and the motion of the object part.

9. A non-transitory computer readable storing medium recording a computer program for causing a computer to perform the respective steps of the control method of a gesture recognition apparatus according to claim 8.