METHOD AND APPARATUS FOR RECOGNIZING LOCATION OF MOVING OBJECT IN REAL TIME

• US 20140132500A1
• Filed: 06/10/2013
• Published: 05/15/2014
• Est. Priority Date: 11/09/2012
• Status: Abandoned Application

• Current Assignee: Korea Advanced Institute of Science and Technology
• Original Assignee: Korea Advanced Institute of Science and Technology
• Inventors: AHN, Sang Chul, KIM, Ig Jae, KIM, Jaewon, HAN, Gyu-Chull
• Application Number:
  US13/913,760
• Publication Number:
  US 20140132500A1
• Time in Patent Office: Days
• US Class Current: 345/156
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00
• 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: G06V 10/145 Illumination specially adapted for pattern recognition, e.g. using gratings

Abstract

Provided is an apparatus for recognizing a location of a moving object in real time. The apparatus includes a lighting portion including a lighting unit for emitting a plurality of optical signals spatially separated in different patterns; an electronic tattoo portion that is attached on the moving object, wherein the electronic tattoo portion includes at least one electronic tattoo unit including a solar cell for detecting each of the plurality of optical signals emitted from the lighting portion, a wireless antenna for wirelessly transmitting the plurality of optical signals detected by the solar cell, and a controller for controlling the transmission of the plurality of optical signals; and a location recognition portion for recognizing the location of the moving object from the plurality of optical signals wirelessly transmitted from the electronic tattoo portion.

Claims

1. An apparatus for recognizing a location of a moving object in real time, the apparatus comprising:

a lighting portion comprising a lighting unit for emitting a plurality of optical signals spatially separated in different patterns;

an electronic tattoo portion that is attached on the moving object, wherein the electronic tattoo portion comprises at least one electronic tattoo unit comprising a solar cell for detecting each of the plurality of optical signals emitted from the lighting portion, a wireless antenna for wirelessly transmitting the plurality of optical signals detected by the solar cell, and a controller for controlling the transmission of the plurality of optical signals; and

a location recognition portion for recognizing the location of the moving object from the plurality of optical signals wirelessly transmitted from the electronic tattoo portion.

2. The apparatus of claim 1, wherein the lighting unit comprises a plurality of lighting devices each comprising a light source, a lighting polarization filter, and a space separation device.

3. The apparatus of claim 2, wherein the space separation device comprises a light transmission area and a light blocking area, which are separated by a bar code pattern with a predetermined space.

4. The apparatus of claim 2, wherein the plurality of lighting devices sequentially emit a plurality of optical signals spatially separated in different patterns.

5. The apparatus of claim 2, wherein the solar cell comprises a photoelectric cell module, a solar cell polarization filter corresponding to the lighting polarization filter, and a photo sensor.

6. The apparatus of claim 1, wherein the solar cell supplies a power supply to the electronic tattoo unit by using an external light source energy.

7. The apparatus of claim 1, wherein the lighting unit comprises a plurality of lighting devices each comprising a light source, a lighting band-pass filter, and a space separation device.

8. The apparatus of claim 7, wherein the space separation device comprises a light transmission area and a light blocking area, which are separated by a bar code pattern with a predetermined space.

9. The apparatus of claim 7, wherein the plurality of lighting devices sequentially emit a plurality of optical signals spatially separated in different patterns.

10. The apparatus of claim 7, wherein the solar cell comprises a photoelectric cell module, a solar cell band-pass filter corresponding to the lighting band-pass filter, and a photo sensor.

11. An apparatus for recognizing a location of a moving object in real time, the apparatus comprising:

a lighting portion comprising a plurality of lighting units, each of which emits a plurality of optical signals spatially separated in different patterns;

an electronic tattoo portion that is attached on the moving object, wherein the electronic tattoo portion comprises at least one electronic tattoo unit comprising a plurality of solar cells for detecting the plurality of optical signals emitted from the lighting portion, a wireless antenna for wirelessly transmitting the plurality of optical signals detected by the plurality of solar cells, and a controller for controlling the transmission of the plurality of optical signals; and

a location recognition portion for recognizing the location of the moving object from the plurality of optical signals wirelessly transmitted from the electronic tattoo portion.

12. The apparatus of claim 11, wherein the lighting units respectively emit different polarization signals.

13. The apparatus of claim 12, wherein each of the lighting units comprises a plurality of lighting devices each comprising a light source, a lighting polarization filter, and a space separation device,

wherein the lighting polarization filter filters an optical signal emitted from the lighting source so that different polarization signals are emitted from the lighting units.

14. The apparatus of claim 11, wherein each of the plurality of lighting units simultaneously or sequentially emits a plurality of optical signals spatially separated in different patterns.

15. The apparatus of claim 13, wherein each of the plurality of solar cells comprises a photoelectric cell module, a solar cell polarization filter corresponding to the lighting polarization filter, and a photo sensor.

16. The apparatus of claim 11, wherein the lighting units respectively emit optical signals having different wavelength ranges.

17. The apparatus of claim 16, wherein each of the lighting units comprises a plurality of lighting devices each comprising a light source, a lighting band-pass filter, and a space separation device,

wherein the lighting band-pass filter filters an optical signal emitted from the lighting source so that optical signals having different wavelength ranges are emitted from the lighting units.

18. The apparatus of claim 11, wherein each of the plurality of lighting units simultaneously or sequentially emits a plurality of optical signals spatially separated in different patterns.

19. The apparatus of claim 17, wherein each of the plurality of solar cells comprises a photoelectric cell module, a solar cell band-pass filter corresponding to the lighting band-pass filter, and a photo sensor.

20. The apparatus of claim 11, wherein the number of solar cells is the same as that of lighting units.

21. A method of recognizing a location of a moving object in real time, the method comprising:

emitting a plurality of optical signals spatially separated in different patterns by using a lighting portion;

by using an electronic tattoo portion, detecting the plurality of optical signals emitted from the lighting portion and transmitting the detected plurality of optical signals wirelessly, wherein the electronic tattoo portion is attached on the moving object and comprises at least one electronic tattoo unit comprising a solar cell for detecting each of the plurality of optical signals emitted from the lighting portion, a wireless antenna for wirelessly transmitting the plurality of optical signals detected by the solar cell, and a controller for controlling the transmission of the plurality of optical signals; and

recognizing the location of the moving object from the plurality of optical signals wirelessly transmitted from the electronic tattoo portion by using a location recognition portion.