Image processing method, device and system based on background splicing wall

Abstract

The invention relates to an image processing method, a device and a system based on a background splicing wall. The method comprises the steps of recognizing the background splicing wall in photographed images; and processing the background splicing wall in the photographed images and eliminating the splicing joints of the background splicing wall in the photographed images. By adopting the technical scheme, since the display edge of the splicing wall in the images photographed by a camera is recognized and the splicing wall in the photographed images is processed to eliminate the splicing joints of the splicing wall in the photographed images, not only can the splicing joints of displayed and output pictures be effectively eliminated, but also no processing is required to be conducted to the splicing display wall, the hardware cost is not increased, the consistency of the images at different observation points can be realized and the limits caused by the change of the visual angles of the camera can be avoided.

Description

technical field [0001] The invention relates to an image processing method based on a background mosaic wall, an image processing device based on a background mosaic wall, and an image processing system based on a background mosaic wall. Background technique [0002] With the continuous development and update of LED light source DLP display technology, splicing wall display technology has been widely used. The characteristics of LED light source wide color gamut and bright colors have further deepened the application and development of DLP display technology. At present, it is more popular in the broadcasting industry. It has been used more and more, and the DLP display background wall based on LED light source is mostly used. The host can easily interact with the display background wall. After displaying the content and foreground content such as the host, it is directly output to the user for viewing. [0003] However, in the current application of the background display ...

AI Technical Summary

Problems solved by technology

[0003] However, in the current application of the background display wall, since the entire display splicing wall is spliced ​​by various DLP display units, there is inevitably a gap between the splicing display unit and the splicing display unit. Horizontally speaking, this gap can be controlled within 1 mm, but for the viewers at the TV end, they can still clearly see the larger gap between each splicing display screen. When the camera lens is zoomed in, this gap will be more obvious

[0004] In order to solve this patchwork problem, the currently adopted schemes all use the edge fusion method to form a seamless picture by performing brightness gradient and feathering on the overlapping area pictures between the two projectors. The fusion method must use the overlapping area of ​​the output of the two display units, but this processing method destroys the sealing of the optical path of the box-type display unit, and is not suitable for the application of eliminating seams on display background walls such as DLP and LCD

On the other hand, at the recording site of radio and television programs, there will be multiple shooting points, and different shooting points will still cause the uniformity of the picture, and there will also be situations where the background wall is not frontally shot, which will affect the visual effect of TV viewers

Images