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For the Inventor, By the Inventor

Santa Clara, CA, United States of America

Sifei Liu

USPTO Granted Patents = 19 

Average Co-Inventor Count = 5.2

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:

goldMedal19 out of 5,406 
 
Nvidia Corporation
 patents

Years Active: 2020-2025

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19 patents (USPTO):
1. 12462453 - Context-aware synthesis and placement of object instances (2025-11-04),
2. 12450748 - Segmentation using an unsupervised neural network training technique (2025-10-21),
3. 12400341 - Machine learning framework applied in a semi-supervised setting to perform instance tracking in a sequence of image frames (2025-08-26),
4. 12266144 - Training and inferencing using a neural network to predict orientations of objects in images (2025-04-01),
5. 12182940 - Self-supervised single-view 3D reconstruction via semantic consistency (2024-12-31),
6. 12169882 - Learning dense correspondences for images (2024-12-17),
7. 11960570 - Learning contrastive representation for semantic correspondence (2024-04-16),
8. 11907846 - Learning and propagating visual attributes (2024-02-20),
9. 11880927 - Three-dimensional object reconstruction from a video (2024-01-23),
10. 11790633 - Image processing using coupled segmentation and edge learning (2023-10-17),
11. 11748887 - Segmentation using an unsupervised neural network training technique (2023-09-05),
12. 11704857 - Three-dimensional object reconstruction from a video (2023-07-18),
13. 11594006 - Self-supervised hierarchical motion learning for video action recognition (2023-02-28),
14. 11375176 - Few-shot viewpoint estimation (2022-06-28),
15. 11354847 - Three-dimensional object reconstruction from a video (2022-06-07),

Title: Innovations of Sifei Liu

Introduction

Sifei Liu is a prominent inventor based in Santa Clara, California. He has made significant contributions to the field of machine learning and image processing, holding a total of 18 patents. His work focuses on developing advanced systems and methods that leverage neural networks for various applications.

Latest Patents

Sifei Liu's latest patents include innovative techniques for segmentation using an unsupervised neural network training approach. These systems and methods are designed to detect segments of objects within images based on a neural network trained in an unsupervised manner. Additionally, he has developed a machine learning framework applied in a semi-supervised setting for instance tracking in sequences of image frames. This method involves processing image frames to generate feature maps and establishing correlations between instances across different frames.

Career Highlights

Sifei Liu is currently employed at Nvidia Corporation, where he continues to push the boundaries of technology in the field of artificial intelligence. His expertise in neural networks and image processing has positioned him as a key player in the industry.

Collaborations

He has collaborated with notable colleagues such as Jan Kautz and Shalini De Mello, contributing to the advancement of machine learning technologies.

Conclusion

Sifei Liu's innovative work and numerous patents reflect his dedication to advancing the field of machine learning and image processing. His contributions are shaping the future of technology and enhancing the capabilities of artificial intelligence.

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