Animation Authoring via Real-World Video Motion Capture
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Solution Overview
Problem
Conventional animation authoring tools are complex and difficult to use, limiting their accessibility to trained experts, while there is a growing demand for creating three-dimensional content by general users.
Innovation Solution
A method and system that acquire characteristic information from input videos to determine virtual objects and motions similar to real-world objects, allowing users to generate animation sequences using pre-owned virtual objects and motions, thereby simplifying the animation authoring process for all users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional animation authoring tools are used, then animation quality and professionalism are improved, but ease of operation deteriorates because the tools are complicated and difficult to use
Solution Approach 1:
The patent uses AI-based copying of real-world objects and motions to generate virtual objects and animations. The system captures characteristic information from real-world objects and copies it to create corresponding virtual representations, eliminating the need for users to manually create complex 3D models while maintaining animation quality.
Solution Approach 2:
The patent replaces manual mechanical operation of complex authoring tools with automated AI processing. Instead of requiring users to manually model, rig, and animate objects through complicated interfaces, the system uses machine learning models to automatically generate animations from real-world video input, substituting mechanical user operations with automated intelligent processing.
2Reliability
If conventional animation authoring tools are used, then animation professionalism is improved, but device complexity increases making the tools complicated and difficult to use
Solution Approach 1:
The patent extracts the complexity from the user-facing interface by separating the simple user input (video recording) from the complex processing backend. The system extracts only the essential characteristic information from real-world objects and uses this simplified input to generate professional animations, taking out the complexity into the automated AI processing layer.
Solution Approach 2:
The patent introduces AI processing as an intermediary between simple user video input and complex animation generation. This intermediary layer automatically handles the complex tasks of virtual object creation, motion synthesis, and animation rendering, mediating between the simplicity of user operation and the complexity of professional animation production.
3Ease of operation
If AI-based virtual object determination is used, then ease of operation is improved for all users, but measurement precision may deteriorate in matching real-world object characteristics
Solution Approach 1:
The patent incorporates feedback mechanisms where the system analyzes the generated animation against the original real-world object characteristics and allows for iterative refinement. The AI models continuously adjust the virtual object and motion parameters based on feedback from the input video to ensure precise matching of appearance and movement characteristics.
Solution Approach 2:
The patent dynamically adjusts multiple parameters of the virtual objects and motions based on the input video analysis. The system changes parameters such as appearance characteristics, motion dynamics, and temporal properties to precisely match the real-world object, using AI-based parameter optimization to maintain high matching precision while keeping the interface simple for users.
Data Source
AI summary
A method for authoring an animation is provided. The method includes the steps of: acquiring characteristic information on an appearance and a motion of a real-world object from an input video; determining a virtual object associated with the real-world object with reference to the characteristic information on the appearance of the real-world object, and determining a virtual motion associated with the real-world object with reference to the characteristic information on the motion of the real-world object; and generating an animation sequence on the basis of the virtual object and the virtual motion.