Non-contact screen interaction method and system

A non-contact, interactive system technology, applied in the field of non-contact screen interaction methods and systems, can solve the problems of unnatural and humanized interactive actions, prone to misoperations, and insufficient interactive capabilities.
CN104166509AInactive Publication Date: 2014-11-26HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2014-11-26
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The embodiment of the invention relates to the technical field of computer application and discloses a non-contact screen interaction method and system. The system comprises a computer, a projector, a video camera used for capturing image information projected onto a screen, and two laser pointers used for generating laser beams and projecting the laser beams onto the screen. The system further comprises a laser point positioning module, a control object recognition module, a control action recognition module and an interaction driving module, wherein the laser point positioning module is used for mapping video camera image coordinates of the two laser points projected onto the screen by the two laser pointers to computer screen coordinates; the control object recognition module is used for recognizing control objects pointed to by the two laser pointers; the control action recognition module is used for recognizing control actions of the two laser pointers; the interaction driving module is used for converting the control actions into control instructions which can be recognized by the computer and aim at the control objects and transmitting the control instructions to the computer so that the computer can execute the control instructions. Through the non-contact screen interaction method and system, non-contact screen interaction operations can be more natural and more user-friendly.
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Description

technical field

[0001] The invention relates to the technical field of computer applications, in particular to a non-contact screen interaction method and system. Background technique

[0002] The interactive large screen is a popular demonstration interactive system in recent years. Users can manipulate the content displayed on the large screen through certain means, such as flipping pages, moving, zooming, etc. Accurately capturing and understanding the intention of the user's manipulation action is the key to realizing the interaction. At the same time, the manipulation action is natural and humanized, conforms to the user's habits, and meets the needs of the user's interactive experience. It is also a hot spot in the current research on large-screen interaction.

[0003] One of the existing technical solutions is that the user holds a single laser pointer to draw a certain pattern on the large screen, and the camera captures and recognizes the trajectory of the laser poi...

Claims

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