Projection display system and projection display method

Abstract

The invention discloses a projection display system and a projection display method. The projection display system comprises a projection module, an image pickup module and a controller module, the projection module is used for displaying preset display images and processed target display objects in a projection manner, the image pickup module is used for shooting a screen area of the projection module to acquire screen images and acquiring display images by shooting images displayed on a screen when the preset display images are displayed in a projection manner, the controller module is used for outputting preset display images to the projection module, acquiring display image outline data of a calibrated display area according to the screen images and the display images, replacing area images outside the calibrated display area in the target display object by corresponding rear images in the screen images according to the display image outline data and acquiring the processed target display objects to transmit to the projection module for display, and the controller module is connected with the projection module and the image pickup module and provides external display object sources of the target display objects. By the projection display system, images in any shapes or videos can be displayed on any display screen, and background content can be removed simultaneously.

Description

technical field [0001] The invention relates to the field of projection display, in particular to a projection display system and method with camera function. Background technique [0002] With the development of economy and technology, various projection display technologies are gradually becoming mature and applied. Projectors are widely used, such as roadsides, sidewalks, building exterior walls, general walls, glass curtain walls, large supermarket entrances, hotel theater lobby floors. , window, store floor and other places. In the general window application environment, merchants will project product pictures onto the store glass, and passers-by can directly see the displayed products and various information, or video advertisements for the products. In the projected display area, some content is just a background image, which is not cared by the user, but in the traditional projection display system, the projected area is mainly square or rectangular, with a fixed sh...

AI Technical Summary

Problems solved by technology

If you want to project a picture with a special shape, you must paste a special material of the same shape on the projection screen. The projected image is displayed on the special shape formed by the special material before the projected content can be seen by the user, so as to achieve the purpose of displaying a special shape video , light can only be completely reflected or penetrated in areas without materials to achieve the purpose of filtering other areas, but this method requires additional costs, the shape is single, and once the special material is finalized, its shape cannot be changed. There may be a phenomenon that some areas of the image are missing during the video

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