US20250173961
2025-05-29
Physics
G06T17/00
The disclosed methods and systems focus on generating 3D avatars from 2D images, particularly human faces. This involves calculating 2D parameters from an image, which are then processed by a trained neural network to estimate 3D avatar parameters. These parameters are deviations from a benchmark 3D head model, allowing for the creation of a personalized 3D avatar. The system integrates a processing component for image analysis and a neural network for parameter estimation, ultimately applying these to a benchmark model to produce the final avatar.
The training method for the neural network involves creating a benchmark 3D object that represents a physical object, with numerous 3D parameters defining its topology. These parameters are randomized within specific ranges to generate multiple synthetic 3D objects. For each synthetic object, corresponding 2D images and parameters are created and stored. This dataset is used to train the neural network, enabling it to accurately predict 3D objects based on new 2D images.
The invention addresses the growing demand for high-quality digital content in virtual and augmented reality applications. By enabling users to create recognizable digital representations of themselves from simple photographs, it enhances personalization in gaming and remote telepresence. Such technology supports more natural communication between digital avatars, enriching social interactions in virtual spaces.
Current methods often rely on morphable models or landmark detection, which can result in generic avatars lacking accurate facial features. These approaches require large databases of 3D scans and precise landmark identification, which can be affected by variations in pose and lighting. The new method overcomes these limitations by using neural networks trained on synthesized datasets, offering robustness against such variations.
The proposed system simplifies avatar creation for users without expertise in 3D technology, allowing them to generate personalized avatars using just a photograph. This process not only enhances user engagement in virtual environments but also provides a more immersive experience by ensuring avatars closely resemble their real-world counterparts. The technology opens up new possibilities for social interactions and identity representation in digital realms.