Projection area adaptation method, device and system
A projection area and adaptation technology, applied in the field of projection area adaptation methods, devices and systems, can solve problems such as not being able to adapt the projection area of projection equipment
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Embodiment 1
[0039] In this embodiment, a projection area adaptation method is provided, figure 1 is a flowchart of a projection area adaptation method according to an embodiment of the present invention, such as figure 1 As shown, the process includes the following steps:
[0040] Step S102, obtaining the distance from the projection device to the projection surface, and obtaining a first image captured by a camera on the same horizontal line as the projection device, wherein the first image is obtained by capturing a second image projected by the projection device onto the projection surface;
[0041] Step S104, using a preset algorithm to calculate the maximum boundary of the first image;
[0042] Step S106, adapting the projection area of the projection device on the projection plane according to the maximum boundary.
[0043] Through the above steps, the distance from the projection device to the projection surface is obtained, and the first image captured by the camera on the sam...
Embodiment 2
[0056] In this embodiment, a projection area adaptation device and system are also provided. The device is used to implement the above embodiments and preferred implementation modes, and those that have already been described will not be described in detail. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.
[0057] figure 2 is a structural block diagram of an adaptation device for a projection area according to an embodiment of the present invention, such as figure 2 As shown, the device includes:
[0058] The obtaining module 22 is configured to obtain the distance from the projection device to the projection surface, and obtain the first image captured by the camera on the same horizontal line as...
Embodiment 3
[0076] This embodiment is an optional embodiment according to the present invention, and is used to describe this solution in detail:
[0077] In this embodiment, a measurement system is composed of a projection device, a distance sensor, a camera, and a software system. The projection device is responsible for projecting images onto the projection surface, the distance sensor is responsible for measuring the distance from the projection device to the projection surface, the camera is responsible for capturing images on the projection surface, and the software system is responsible for controlling the projection of the projection device and processing and analyzing the images captured by the camera. Including the following steps:
[0078] S21, the distance sensor measures the distance from the camera or the projection device to the projection surface;
[0079] S22. The projection device can project an image of a specified color and a specified area onto the projection surface...
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