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Sony Corporation

Sony Computer Entertainment Inc.

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Years Active: 2006-2020

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25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10728553 - Visual quality preserving quantization parameter prediction with deep neural network (2020-07-28),

2. 10499056 - System and method for video processing based on quantization parameter (2019-12-03),

3. 10430943 - Automated nuclei area/number estimation for IHC image analysis (2019-10-01),

4. 10304192 - Fast, progressive approach to supervoxel-based spatial temporal video segmentation (2019-05-28),

5. 10198695 - Manifold-aware ranking kernel for information retrieval (2019-02-05),

6. 10034005 - Banding prediction for video encoding (2018-07-24),

7. 10002402 - Learning convolution neural networks on heterogeneous CPU-GPU platform (2018-06-19),

8. 9741107 - Full reference image quality assessment based on convolutional neural network (2017-08-22),

9. 9710695 - Characterizing pathology images with statistical analysis of local neural network responses (2017-07-18),

10. 9535928 - Combining information of different levels for content-based retrieval of digital pathology images (2017-01-03),

11. 9202281 - Integrated interactive segmentation with spatial constraint for digital image analysis (2015-12-01),

12. 9081822 - Discriminative distance weighting for content-based retrieval of digital pathology images (2015-07-14),

13. 8755580 - Flourescent dot counting in digital pathology images (2014-06-17),

14. 8749409 - Entropy decoding methods and apparatus using most probable and least probable signal cases (2014-06-10),

15. RE44923 - Entropy decoding methods and apparatus using most probable and least probable signal cases (2014-06-02),

Title: Innovations of Xun Xu: Pioneering Video Processing Technologies

Introduction

Xun Xu, based in Palo Alto, CA, is a distinguished inventor with an impressive portfolio of 25 patents. His work primarily focuses on advanced video processing techniques that leverage deep learning and quantization parameters. This article highlights his latest innovations and career contributions.

Latest Patents

Xun Xu's recent patents showcase his expertise in visual quality preservation and optimized video processing. One of his latest innovations is the patent for "Visual Quality Preserving Quantization Parameter Prediction with Deep Neural Network." This technique involves a quantization parameter mapping method that ensures consistent visual quality in encoded frames by intelligently allocating more bits to image blocks most susceptible to compression distortion. The method incorporates fast-computable texture-descriptive features and utilizes a deep neural network to effectively replicate the optimal QP mapping derived from a visual quality metric.

Another notable invention is the "System and Method for Video Processing Based on Quantization Parameter." This patent outlines various elements of a comprehensive system for processing video derived from quantization parameters. The method involves extracting multiple features from image blocks to capture texture information. A trained neural network regressor then maps these features to identify an optimal quantization parameter, leading to the encoding of the image block using this precise value.

Career Highlights

Xun Xu has had a significant impact in the field of video technology through his roles in notable companies such as Sony Corporation and Sony Electronics Inc. His contributions have been instrumental in the development of cutting-edge video processing systems that enhance visual media quality.

Collaborations

Throughout his innovative journey, Xun Xu has collaborated with esteemed colleagues, including Akira Nakamura and Su Wang. Their collective expertise has undoubtedly contributed to the advancement of new technologies in video processing, pushing the boundaries of what is possible in the digital visual landscape.

Conclusion

Xun Xu stands out as a remarkable inventor whose contributions to video processing technologies represent the forefront of innovation in the field. His work, characterized by a blend of practical application and advanced theory, not only enhances visual media quality but also reshapes the future of video technology. As he continues to push the envelope, his patents will undoubtedly influence the industry for years to come.

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