Automated Virtual Camera Viewpoint Selection for 3D Animation
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Solution Overview
Problem
Current methods for creating and editing camera views and movements in cinematography, especially in computer-generated virtual worlds, are time-consuming and lack integration of creative human input, often requiring specialized expertise and failing to produce innovative results.
Innovation Solution
A computer-implemented method that computes and presents alternative virtual camera viewpoints based on visual composition properties, allowing users to select and record desired views, and integrates manual control for dynamic adjustments, enhancing the automation of cinematography with creative input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automated virtual camera planners use optimization techniques to generate viewpoints, then acceptable cinematography can be produced, but the process becomes complex and requires specialized expertise
Solution Approach 1:
The patent introduces an intermediary layer between the filmmaker's creative intent and the automated optimization system. This intermediary consists of predefined shot types and transition rules that translate high-level creative decisions into specific camera parameters, avoiding the need for filmmakers to directly manipulate complex optimization algorithms while still achieving professional-quality cinematography
Solution Approach 2:
The system changes the parameter representation from low-level optimization variables (scoring weights, constraints, initial values) to high-level cinematic concepts (shot types, transitions, camera movements). This parameter transformation allows filmmakers to control the camera behavior using familiar cinematic terminology rather than complex mathematical parameters
2Manufacturing precision
If manual control is used to precisely control camera positioning and aiming, then creative vision can be achieved, but the process becomes time-consuming
Solution Approach 1:
The system performs preliminary action by pre-defining shot types with standardized camera positions, angles, and movements based on established cinematography conventions. These pre-configured shot templates allow filmmakers to quickly select appropriate camera views without manually positioning and aiming the camera for each shot, significantly reducing the time required while maintaining precision
Solution Approach 2:
The patent uses copying by replicating proven cinematographic patterns and shot compositions from traditional filmmaking into the virtual camera system. By copying established shot types (close-up, medium shot, wide shot) and their associated camera parameters, the system provides precise camera positioning based on time-tested conventions without requiring manual adjustment for each case
3Adaptability or versatility
If extensive manual control is required for camera adjustments, then creative input can be incorporated, but the system becomes difficult to operate
Solution Approach 1:
The system achieves universality by creating a unified interface that handles multiple camera control functions through a single shot type selection mechanism. By making shot types multi-functional (controlling position, orientation, lens choice, and movement simultaneously), the system allows filmmakers to incorporate creative input through simple selection rather than complex multi-step adjustments, greatly simplifying operation while maintaining versatility
Data Source
AI summary
Method for shooting and editing a film comprising at least one image of a 3D computer-generated animation created by a cinematographic software according to mathematical model of elements that are part of the animation and according to a definition of situations and actions occurring for said elements as a function of time, said method being characterized by comprising the following: computing of alternative suggested viewpoints by the cinematographic software for an image of the 3D computer-generated animation corresponding to a particular time point according to said definition; and instructing for displaying on a display interface, all together, images corresponding to said computed alternative suggested viewpoints of the 3D computer-generated animation at that particular time point.