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Mouse gesture realization method in projection interaction system

A technology of mouse gestures and projection interaction, applied in the field of mouse gestures, can solve problems such as inability to operate windows, and achieve the effect of simple operation

Active Publication Date: 2018-08-24
安徽慧视金瞳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for realizing mouse gestures in a projection interaction system, which can realize related operations on windows by drawing mouse gestures in any area of ​​the screen, and solves the problem of not being able to touch the upper right corner area. Problems with window manipulation

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  • Mouse gesture realization method in projection interaction system

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with accompanying drawing:

[0036] Such as figure 1 As shown, a method for implementing mouse gestures in a projection interaction system in this embodiment specifically includes the following steps:

[0037] S1: Obtain the image of the projection area through the infrared camera, collect the image of each frame on the image, and transmit the image to the computer;

[0038] S2: For each frame of image, use the image processing algorithm to obtain the finger touch position;

[0039] S3: Illuminate the position of the finger, capture the infrared image through the infrared camera, and perform binarization on the image to obtain the connected domain of the finger:

[0040] Use the infrared laser on the wall to illuminate the finger, and then the infrared camera captures the infrared image, performs binarization on the image, and then obtains the connected domain corresponding to the finger, calculates ...

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Abstract

The invention relates to a mouse gesture realization method in a projection interaction system. The mouse gesture realization method comprises the following steps: obtaining a picture from a projection area through an infrared camera, acquiring a frame of image on the picture and transmitting each image to a computer; obtaining a finger touch position by utilizing an image processing algorithm asfor each frame of image; illuminating a finger position, capturing an infrared image through the infrared camera, performing binarization processing on the image in order to obtain a connected domainof each finger and each image; calculating the coordinate of a central point of the connected domain and storing the position coordinate of a finger in each frame of image; obtaining trajectory pointsfor finger positions by saving finger position coordinates according to the sequence; collecting trajectory points and analyzing the trajectory points in order to obtain shapes of trajectories; and detecting the trajectories of shapes, eliminating abnormal trajectory shapes according to a pre-set trajectory shape in order to obtain a mouse gesture.

Description

technical field [0001] The invention relates to the technical field of mouse gestures, in particular to a method for realizing mouse gestures in a projection interaction system. Background technique [0002] Combining visual sensors and projectors to form a projection interactive system is a new way of interaction. This method can directly turn the projection area into a touch screen to realize the function of interacting with the computer. In projection interactive systems, the projection area of ​​the projector often covers the entire blackboard area. The advantage of this interactive method is that compared with the traditional liquid crystal capacitive touch device, the size of the interactive touch is large, and it can be well used in the teaching field. However, in the classroom, the interactive whiteboard is often relatively high, which causes many short teachers to be unable to touch the higher area of ​​the whiteboard, which also affects the experience of using th...

Claims

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Application Information

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IPC IPC(8): G06F3/0354G06F3/042G06F3/0488G06T7/60G06T7/66
CPCG06F3/03545G06F3/03547G06F3/042G06F3/04883G06T7/60G06T7/66G06T2207/30196G06T2207/30241
Inventor 邓宏平汪俊锋任玮蒙薛东阳
Owner 安徽慧视金瞳科技有限公司