Space positioning and directing input system and processing method therefor

• US 20080018599A1
• Filed: 07/10/2007
• Published: 01/24/2008
• Est. Priority Date: 07/24/2006
• Status: Abandoned Application

• Current Assignee: uPI Semiconductor Corporation (ASUSTek Computer, Inc.)
• Original Assignee: uPI Semiconductor Corporation (ASUSTek Computer, Inc.)
• Inventors: Chang, Tien-Chien
• Application Number:
  US11/822,834
• Publication Number:
  US 20080018599A1
• Time in Patent Office: Days
• US Class Current: 345/158
• CPC Class Codes: G06F 3/0325 using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
• CPC Class Codes: G06F 3/03542 Light pens for emitting or receiving light
• CPC Class Codes: G06F 3/0425 using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking a projected light spot to determine a position on a display surface G06F3/0386

Abstract

A space positioning and directing input system is disclosed. A light source is installed on a space positioning and directing input device to emit the light. First and second image detection devices receive the light and generate first and second imaging pictures. An operation device calculates first and second image positions of the light source based on imaging information of the first and second image pictures and calculates three-dimensional space coordinates of the first and second imaging positions.

Claims

1. A processing method for a space positioning and directing input system, comprising:

installing a first image sensor, a second image sensor, and an operation device on a display device;

emitting light using a light source of at least one space positioning and directing input device;

receiving the light to generate a first imaging picture and a second imaging picture using the first and second image sensors;

calculating a first imaging position and a second imaging position corresponding to the light source according to imaging information of the first and second imaging pictures using the operation device; and

calculating 3D space coordinates corresponding to the first and second imaging positions.

2. The processing method for a space positioning and directing input system as claimed in claim 1, further comprising:

when only one image sensor is installed on the display device, calculating an imaging position corresponding to the light source of the space positioning and directing input device using the operation device; and

calculating 2D coordinates of the imaging position corresponding to the light source.

3. A processing method for a space positioning and directing input system, comprising:

installing a light source, a first image sensor, a second image sensor, and an operation device on a display device;

reflecting light emitted by the light source using a reflection device of at least one space positioning and directing input device;

receiving the light to generate a first imaging picture and a second imaging picture using the first and second image sensors;

calculating a first imaging position and a second imaging position corresponding to the reflection device according to imaging information of the first and second imaging pictures using the operation device; and

calculating 3D space coordinates corresponding to the first and second imaging positions.

4. The processing method for a space positioning and directing input system as claimed in claim 3, further comprising:

when only one image sensor is installed on the display device, calculating an imaging position corresponding to the reflection device using the operation device; and

calculating 2D coordinates of the imaging position corresponding to the reflection device.

5. A processing method for a space positioning and directing input system, comprising:

installing a first image sensor, a second image sensor, and an operation device on a display device;

emitting first light using first light source of a first space positioning and directing input device and second light using second light source of a second space positioning and directing input device;

receiving the first and second light to generate a first imaging picture and a second imaging picture using the first and second image sensors;

calculating first and third imaging positions corresponding to the first light source and second and fourth imaging positions corresponding to the second light source according to imaging information of the first and second imaging pictures using the operation device; and

calculating 3D space coordinates corresponding to the first, second, third, and fourth imaging positions.

6. The processing method for a space positioning and directing input system as claimed in claim 5, further comprising:

when only one image sensor is installed on the display device, calculating imaging positions corresponding to the first and second light sources of the first and second space positioning and directing input devices using the operation device; and

calculating 2D coordinates of the imaging positions corresponding to the first and second light sources.

7. A processing method for a space positioning and directing input system, comprising:

installing a light source, a first image sensor, a second image sensor, and an operation device on a display device;

reflecting light emitted by the light source to generate a first reflective light and a second reflective light using a first reflection device of a first space positioning and directing input device and a second reflection device of a second space positioning and directing input device;

receiving the first and second reflective light to generate a first imaging picture and a second imaging picture using the first and second image sensors;

calculating first and third imaging positions corresponding to the first reflection device and second and fourth imaging positions corresponding to the second reflection device according to imaging information of the first and second imaging pictures using the operation device; and

calculating 3D space coordinates corresponding to the first, second, third, and fourth imaging positions.

8. The processing method for a space positioning and directing input system as claimed in claim 7, further comprising:

when only one image sensor is installed on the display device, calculating imaging positions corresponding to the first and second reflection devices using the operation device; and

calculating 2D coordinates of the imaging positions corresponding to the first and second reflection devices.

9. A processing method for a space positioning and directing input system, comprising:

installing an image sensor and an operation device on a display device;

emitting light using a light source of at least one space positioning and directing input device installed on a plane;

receiving the light to generate an imaging picture using the image sensors;

calculating a first imaging position corresponding to the light source of the space positioning and directing input device according to imaging information of the imaging picture using the operation device; and

calculating a second imaging position on the display device according to the first imaging position.

10. The processing method for a space positioning and directing input system as claimed in claim 9, further comprising:

installing a first space positioning and directing input device and a second space positioning and directing input device on the display device;

emitting light using a first light source and a second light source of the first and second space positioning and directing input devices installed on the plane;

receiving the light to generate an imaging picture using the image sensor;

calculating a first imaging position and a second imaging position corresponding to the first and second light source according to imaging information of the imaging picture using the operation device; and

calculating a third imaging position and a fourth imaging position on the display device according to the first and second imaging positions.

11. A processing method for a space positioning and directing input system, comprising:

installing a light source, an image sensor, and an operation device on a display device;

reflecting light emitted by the light source to generate a reflective light using a reflection device of at least one space positioning and directing input device installed on a plane;

receiving the reflective light to generate an imaging picture using the image sensor;

calculating a first imaging position corresponding to the reflection device according to imaging information of the imaging picture using the operation device; and

calculating a second imaging position on the display device according to the first imaging position.

12. The processing method for a space positioning and directing input system as claimed in claim 11, further comprising:

installing a first space positioning and directing input device and a second space positioning and directing input device on the display device;

reflecting light emitted by the light source to generate a first reflective light and a second reflective light using a first reflection device of a first space positioning and directing input device and a second reflection device of a second space positioning and directing input device installed on the display device;

receiving the first and second reflective light to generate an imaging picture using the image sensor;

calculating a first imaging position and a second imaging position corresponding to the first and second reflection source according to imaging information of the imaging picture using the operation device; and

calculating a third imaging position and a fourth imaging position on the display device according to the first and second imaging positions.

13. A space positioning and directing input system, comprising:

at least one space positioning and directing input device, comprising a light source to emit light; and

a display device, further comprising;

a first image sensor, receiving the light to generate a first imaging picture;

a second image sensor, receiving the light to generate a second imaging picture; and

an operation device, calculating a first imaging position and a second imaging position corresponding to the light source according to imaging information of the first and second imaging pictures and calculating 3D space coordinates corresponding to the first and second imaging positions.

14. The space positioning and directing input system as claimed in claim 14, wherein, when only one image sensor is installed on the display device, the operation device calculates an imaging position corresponding to the light source of the space positioning and directing input device, and calculates 2D coordinates of the imaging position corresponding to the light source.

15. A space positioning and directing input system, comprising:

at least one space positioning and directing input device, comprising a reflection device to reflect light; and

a display device, further comprising;

a light source, emitting light;

a first image sensor, receiving the light of the reflection device to generate a first imaging picture;

a second image sensor, receiving the light of the reflection device to generate a second imaging picture; and

an operation device, calculating a first imaging position and a second imaging position corresponding to the reflection device according to imaging information of the first and second imaging pictures and calculating 3D space coordinates corresponding to the first and second imaging positions.

16. The space positioning and directing input system as claimed in claim 15, wherein, when only one image sensor is installed on the display device, the operation device calculates an imaging position corresponding to the reflection device, and calculates 2D coordinates of the imaging position corresponding to the reflection device.

17. A space positioning and directing input system, comprising:

a first space positioning and directing input device, comprising a light source to emit first light;

a second space positioning and directing input device, comprising a light source to emit second light; and

a display device, further comprising;

a first image sensor, receiving the first light to generate a first imaging picture;

a second image sensor, receiving the second light to generate a second imaging picture; and

an operation device, calculating first and third imaging positions corresponding to the first light source and second and fourth imaging positions corresponding to the second light source according to imaging information of the first and second imaging pictures and calculating 3D space coordinates corresponding to the first, second, third, and fourth imaging positions.

18. The space positioning and directing input system as claimed in claim 17, wherein, when only one image sensor is installed on the display device, the operation device calculates imaging positions corresponding to the first and second light sources of the first and second space positioning and directing input devices, and calculates 2D coordinates of the imaging positions corresponding to the first and second light sources.

19. A space positioning and directing input system, comprising:

a first space positioning and directing input device, comprising a first reflection device reflect light to generate a first reflective light;

a second space positioning and directing input device, comprising a second reflection device reflect light to generate a second reflective light; and

a display device, further comprising;

a light source, emitting light;

a first image sensor, receiving the first and second reflective light to generate a first imaging picture;

a second image sensor, receiving the first and second reflective light to generate a second imaging picture; and

an operation device, calculating first and third imaging positions corresponding to the first reflection device and second and fourth imaging positions corresponding to the second reflection device according to imaging information of the first and second imaging pictures and calculating 3D space coordinates corresponding to the first, second, third, and fourth imaging positions.

20. The space positioning and directing input system as claimed in claim 19, wherein, when only one image sensor is installed on the display device, the operation device calculates imaging positions corresponding to the first and second reflection devices, and calculates 2D coordinates of the imaging positions corresponding to the first and second reflection devices.

21. A space positioning and directing input system, comprising:

at least one space positioning and directing input device installed on a plane, comprising a light source emitting light; and

a display device, further comprising;

an image sensor, receiving the light to generate an imaging picture;

an operation device, calculating a first imaging position corresponding to the light source of the space positioning and directing input device according to imaging information of the imaging picture, and calculating a second imaging position on the display device according to the first imaging position.

22. The space positioning and directing input system as claimed in claim 21, wherein the display device further comprises a first space positioning and directing input device and a second space positioning and directing input device installed on the plane, first light source and second light source of the first and second space positioning and directing input devices emit light, the image sensor receives the light to generate an imaging picture, and the operation device calculates a first imaging position and a second imaging position corresponding to the first and second light sources according to imaging information of the imaging picture and calculates a third imaging position and a fourth imaging position on the display device according to the first and second imaging positions.

23. A space positioning and directing input system, comprising:

at least one space positioning and directing input device installed on a plane, comprising a reflection device reflecting light to generate a reflective light; and

a display device, further comprising;

a light source, emitting light;

an image sensor, receiving the reflective light to generate an imaging picture; and

an operation device, calculating a first imaging position corresponding to the reflection device according to imaging information of the imaging picture and calculating a second imaging position on the display device according to the first imaging position.

24. The space positioning and directing input system as claimed in claim 23, wherein the display device further comprises a first space positioning and directing input device and a second space positioning and directing input device installed on the plane, a first reflection device and a second reflection device of the first and second space positioning and directing input devices reflect light emitted by the light source to generate a first reflective light and a second reflective light, the image sensor receives the first and second reflective light to generate an imaging picture, and the operation device calculates a first imaging position and a second imaging position corresponding to the first and second reflection devices according to imaging information of the imaging picture and calculates a third imaging position and a fourth imaging position on the display device according to the first and second imaging positions.