Tzu-Liang Su

Title: Tzu-Liang Su: Innovator in MPEG-4 Streaming Technology

Introduction

Tzu-Liang Su is a prominent inventor based in Sinhua, Taiwan. He has made significant contributions to the field of video streaming technology, particularly through his innovative work on MPEG-4 systems. With a total of 2 patents, Su has demonstrated his expertise in developing solutions that enhance video quality and reliability.

Latest Patents

One of Tzu-Liang Su's latest patents is an MPEG-4 streaming system with adaptive error concealment. This system is designed to provide video services over networks that experience packet loss. The MPEG-4 system comprises both an encoder and a decoder. The encoder employs an intra-refreshment technique to make the coded bitstream more robust against noise, effectively stopping error propagation. Additionally, a rate-distortion optimization criterion is introduced to adaptively update in synchronization with intra-coded blocks based on the actual network conditions, all while maintaining minimal overhead. The Lagrange multiplier is modified to achieve the best rate-distortion balance. Furthermore, a decoder loop is integrated into the encoder, ensuring synchronization with the true decoder to optimize performance and prevent mismatches. The decoder is capable of resilient decoding from various types of noise, enhancing the reconstructed image quality through a spatial and temporal hybrid concealment method. The results indicate an improvement of 3.65-9.71 dB in peak-signal-to-noise-ratio (PSNR) compared to existing methods that utilize spatial copy and zero motion concealment in decoding.

Career Highlights

Tzu-Liang Su is affiliated with the Industrial Technology Research Institute, where he continues to push the boundaries of video technology. His work has not only advanced the field but has also contributed to the development of more reliable video streaming solutions.

Collaborations

Su has collaborated with notable colleagues, including Ming-Yen Huang and Shih-Hao Wang, to further enhance the impact of his innovations in the industry.

Conclusion

Tzu-Liang Su's contributions to MPEG-4 streaming technology exemplify his commitment to innovation and excellence. His work continues to influence the way video services are delivered over networks, ensuring higher quality and reliability for users.