Integrating technology and art creates a digital “dreamland”. Combining optical motion capture, real‑time rendering engine, camera tracking and other technologies, virtual shooting opens up new possibilities for digital production. It reshapes the workflows of traditional filmmaking. Its influence extends far beyond the film‑and‑television industry to all digital‑media sectors that deliver visual content to audiences.

Virtual production emphasizes real‑time performance. Live‑actor performances can be composited instantly with computer‑generated 3D environments. The live composite footage is fed back immediately to directors, cinematographers and performers, enabling camera‑shot adjustments and performance fine‑tuning on‑site.

Virtual‑shooting solutions include: VR location scouting, virtual‑camera operation, lens composition preview within virtual environments, reliable pre‑visualization for shooting and technical workflows, precise framing, green‑studio shooting and LED‑hybrid virtual‑production.

Virtual‑production workflow diagram

Green‑Screen Shooting for Virtual Production

Pure blue‑and‑green‑screen shooting serves as an efficient production aid. Foreground footage shot against chroma‑key backgrounds is extracted via keying, time‑synchronized and composited with 3D environments rendered by graphics workstations to output real‑time composite video. Nevertheless, traditional green‑screen shooting suffers from unwanted light‑reflection problems.

LED Virtual‑Production

Real‑time LED‑background virtual‑shooting technology has delivered spectacular visual results for science‑fiction productions such as The Mandalorian, Westworld and His Dark Materials. Game‑engine‑rendered environments are displayed on large‑scale LED panels, while cameras capture live footage directly in front of the LED wall.

Images on the LED background move synchronously with the camera’s field of view, generating footage that mimics real‑location shooting. Diffused light reflected from the LED panels casts authentic lighting and colour onto performers and physical props, eliminating colour‑spill defects common in green‑screen workflows. Unlike green‑screen shoots, where actors must rely entirely on imagination, LED‑stage shooting delivers strong interactive feedback. Its “what‑you‑see‑is‑what‑you‑get” workflow appeals greatly to creators accustomed to real‑world‑location filming.

CHINGMU Vision Optical‑Positioning System

CHINGMU Vision provided Time Media with high‑precision 6DOF optical spatial‑positioning services for crane, dolly and handheld‑camera shooting.

The virtual‑shooting‑visualization workflow helps production teams clarify shooting objectives, set camera positions and place virtual assets, ensuring every department faithfully executes the creative vision of directors and VFX supervisors. Drawing on years‑long technical experience, the CHINGMU Vision optical‑tracking team supported Time‑Coordinate and its creative crew in delivering the full‑cycle virtual‑shooting pipeline, delivering professional technical services covering spatial tracking, virtual‑character animation and real‑time interaction.

The production deployed CHINGMU Vision MC4000 optical motion‑capture cameras, featuring a maximum tracking range of 30 meters, 4‑megapixel resolution and a frame rate of 180 Hz.

Core Advantages

‑ Core‑technology heritage from the Institute of Automation, Chinese Academy of Sciences; performance comparable to top‑tier international brands ‑ Fully self‑developed hardware and software, fully controllable and deeply customizable to meet personalized requirements ‑ Spatial‑position accuracy: 0.1 mm; angular accuracy: 0.1°; jitter error: 0.01 mm ‑ Server‑client architecture; distributed‑client deployment and third‑party‑software integration supported ‑ Compatible with both active and passive marker‑tracking for versatile‑scenario deployment ‑ Supports capture‑zones of thousands of square meters and real‑time tracking of hundreds of targets ‑ User‑friendly operation, infrequent‑calibration requirement (once per month), low maintenance workload ‑ Wide field‑of‑view, long‑tracking distance, minimal blind spots for efficient‑space‑utilization ‑ Strong anti‑interference performance against light, vibration, image noise, acoustic and electromagnetic disturbance ‑ Supports rigid‑body tracking, full‑body capture, finger capture and inverse‑kinematics solving ‑ Digital‑asset loading and real‑time motion‑retargeting, delivering WYSIWYG character‑animation previews ‑ Supports VRPN, TrackD, DTrack, LiveStream and multiple other industry protocols, compatible with mainstream‑production software

Virtual environments replace physical‑location shoots, removing geographical‑site‑restrictions and reducing scheduling conflicts for cast‑and‑crew as well as outdoor‑shooting‑related expenses. Virtual‑scene digital assets can be permanently archived and reused, cutting both production‑costs and shooting‑cycles.

Directors are freed from limitations of time, space and physical‑set construction, substantially lowering film‑production costs. Virtual‑production unlocks creative potential previously constrained by physical‑set‑building limits and improves overall‑film quality. Reusable digital‑assets boost production efficiency and shorten project‑timelines.

The essential goal of virtual shooting: to make on‑set production far more efficient.

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