Measurement and application of spectrum curve for virtual digital  studio simulation scene

Ye Wang

doi:10.1117/12.2606623

24 November 2021 Measurement and application of spectrum curve for virtual digital studio simulation scene

Ye Wang

Proceedings Volume 12063, AOPC 2021: Display Technology; 120630D (2021) https://doi.org/10.1117/12.2606623
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Virtual studio is a new type of studio technology. People make movies in the virtual digital studio, and after the post-processing system calculates and synthesizes the background, it can produce the same effect as the traditional studio and the real scene. At present, the digital virtual studio basically adopts low spacing LED large screen, which displays real-time images. The image output of real-time engine is combined with camera tracking, and the reasonable lighting and actor position are matched to generate the final image and video completely in the lens.One of the reasons is that the color, CCT (Correlated Color Temperature), CRI (Color Render Index) and other characteristic parameters of some virtual backgrounds are not consistent with the real scene, that is, the spectrum curve of the image is not consistent with the real scene. This paper studies the spectrum curve of the simulation scene, through the actual measurement of the spectral curve data of different real scenes, and according to the real scene spectrum curve to design the algorithm of digital image and video, establish the relevant spectral characteristic spectrum model, do the corresponding digital image processing for the image and video of the virtual background, adjust the relevant CCT, chromaticity, illuminance, and so on Color rendering index and other parameters make the image displayed on the LED screen closer to the real scene and improve the production level of film and television.

Citation Download Citation

Ye Wang "Measurement and application of spectrum curve for virtual digital studio simulation scene", Proc. SPIE 12063, AOPC 2021: Display Technology, 120630D (24 November 2021); https://doi.org/10.1117/12.2606623

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KEYWORDS

LED displays

Light emitting diodes

Light sources

Virtual reality

Scene simulation

Photography

Cameras

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