Working principle and composition structure of ground interactive projection system technology

The ground interactive projection uses the projection equipment hanging on the top to project the image effect onto the ground. When the visitors walk to the projection area, they can capture the motion patterns of the audience through the infrared acquisition system, conduct data analysis, and then feedback the corresponding interactive impact results. The visitors can directly use their feet or actions to interact with the virtual scene on the projection screen, The interactive effect will change with your steps. The ground interactive projection system is an interactive projection project integrating virtual simulation technology and image recognition technology, including water ripple, turning, collision, erasure, avoidance, following and other forms of expression. The audience interacts with the ground image through body movements, and various special effect images will bloom at their feet, Bring a new and unique experience.

The components of the ground interactive projection system include image action acquisition, data processing and image display. For the installation of the interactive projection system on the ground, the projector is the image display part, the surveillance camera is the image and action collection part, and the information is sent back to the computer. Through the ground interaction software processing, the human action and content can be combined to achieve the perfect demonstration of interactive content.

　　 The ground interactive projection uses interactive technology and interactive equipment to achieve human-computer interaction, which is mainly divided into four parts:

Part I: Real time capture and shooting of participants through infrared sensors. The capture and shooting will use a projector and a camera. The projector is mainly responsible for projecting content, while the camera is responsible for capturing the movement track of participants.

The second part: The content projected by the projector is black, and the movement track of the participants is white, so the camera gets a black and white monochrome background projection content.

The third part: The image difference technology is used to detect the movement of the human body. The difference is to subtract the two consecutive images obtained by the camera to get the moving part, so as long as the participants are moving, the difference will intercept the moving part.

Part IV: Analyze the data obtained, and then project the virtual part, which will create a human-computer interaction effect.

Composition structure of ground interactive projection:

1. Projector: The projector is the core equipment of ground interactive projection.

2. Host: control the broadcast content and program operation. Usually, curious digital technology will choose high configuration host to maintain good projection effect and scalability.

3. Motion capture system: used to capture the steps of the experimenter and transmit the signal to the host. Infrared induction or radar can be selected according to the site demand.

4. Projector hanger and wire: The projector hanger is mainly used to drop the projector onto the ceiling.

5. Fusion software: according to your needs, if you need a larger picture, you must add multiple projectors to use the fusion software to form a picture.

6. Projection screen: according to the strong reflection of the ground, it is necessary to lay floor glue or special carpet on the ground.

Curious Digital Technology is a professional multimedia integrated service provider in digital exhibition halls, focusing on multimedia interactive projects in exhibition halls, including: interactive projection, digital sand table, interactive slide screen, immersive, holographic projection, ball screen projection, phantom imaging, naked eye 3D projection, AR/VR interaction, LCD large screen splicing, LED display, multi screen interaction, virtual welcome, multimedia cinema Multi touch system, professional audio system, central control system, etc; Provide one-stop services such as data collection and sorting, software development, scheme customization planning, hardware system integration construction, interactive software development and debugging, film and television production, after-sales maintenance, etc;