Camera Trajectory Guidance for Replicating Cinematic Shots
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Solution Overview
Problem
Existing camera interfaces do not provide sufficient guidance for capturing cinematic shots, making it difficult for users to replicate the types of shots used in existing videos.
Innovation Solution
A device determines an estimated camera trajectory from an existing video and generates a target camera trajectory for a new video based on environmental differences, using neural radiance field models and XR technology to display a virtual indicator guiding the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard camera interface is used, then the device is simple to operate, but it cannot capture cinematic shots
Solution Approach 1:
The system copies the camera trajectory from an existing video to guide the user in capturing a new video with similar cinematic shots. The graphical user interface displays a visual representation of the trajectory from the reference video, allowing the user to replicate the same camera movements in the new video capture
Solution Approach 2:
A trajectory generation module acts as an intermediary between the existing video and the new video capture process. This module analyzes the reference video to extract camera trajectory information and generates guidance instructions that mediate the user's camera movements to achieve cinematic shots
2Adaptability or versatility
If the camera trajectory is manually controlled, then the user has full flexibility, but it is difficult to replicate cinematic shots from existing videos
Solution Approach 1:
The system provides real-time feedback to the user by displaying the target camera trajectory in the graphical user interface. The user can see the desired path and adjust their camera movements accordingly, with the system continuously guiding them along the trajectory to achieve the cinematic shot
Solution Approach 2:
The system performs preliminary analysis of the existing video to extract and store the camera trajectory information before the user begins capturing the new video. This pre-processing creates a ready-to-follow path that guides the user's camera movements, eliminating the need for complex real-time calculations
Data Source
AI summary
A method includes receiving a request that specifies a desired cinematic experience for an environment. The method includes obtaining sensor data that indicates environmental characteristics of the environment and camera parameters of a set of one or more cameras. The method includes determining, based on the environmental characteristics and the camera parameters, a target cinematic shot that provides the desired cinematic experience. The method includes displaying a cinematic shot guide for capturing the target cinematic shot.