Title:
PROJECTION METHOD AND APPARATUS BASED ON POSITIONING AND TRACKING, PROJECTOR AND PROJECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/128098
Kind Code:
A1
Abstract:
The embodiments of the present application relate to the technical field of projection display, in particular to a projection method and apparatus based on positioning and tracking, a projector and a projection system. The method comprises: receiving a first environmental sound and determining whether the first environmental sound includes preset start information, and if so, determining the sound carrying the start information as a target sound and determining the target sound as a tracking target, and according to the start information, starting projection; determining the initial position of the tracking target according to the target sound in the first environmental sound, and matching the initial position for projection; receiving a second environmental sound and determining whether the second environmental sound includes the target sound, and if so, determining the current position of the tracking target according to the target sound in the second environmental sound; and switching a projection direction according to the current position of the tracking target. In this way, the embodiments of the present application can accurately determine a tracking target during projection, and determine a projection direction by means of positioning and tracking the tracking target, thus realizing direction adjustable projection.
Inventors:
YEUNG STEVE (CN)
GAO ZHIQIANG (CN)
LI XIANG (CN)
LIN QINGYUN (CN)
GAO ZHIQIANG (CN)
LI XIANG (CN)
LIN QINGYUN (CN)
Application Number:
PCT/CN2018/088981
Publication Date:
July 04, 2019
Filing Date:
May 30, 2018
Export Citation:
Assignee:
IVIEW DISPLAYS SHENZHEN CO LTD (CN)
International Classes:
H04N9/31; G01S5/18; G01S5/22; G10L15/00; G03B21/00; H04N5/74
Foreign References:
| CN107329526A | 2017-11-07 | |||
| CN106066758A | 2016-11-02 | |||
| CN104601916A | 2015-05-06 | |||
| US20150237293A1 | 2015-08-20 |
Attorney, Agent or Firm:
LIUJIA CHINA IP LAW OFFICE (CN)
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