Shih-Chang Hisa

Title: Shih-Chang Hisa: Innovator in Two-Dimensional Inverse Discrete Cosine Transform Processing

Introduction

Shih-Chang Hisa is a notable inventor based in Changhua, Taiwan. He is recognized for his contributions to the field of digital signal processing, particularly through his innovative patent related to two-dimensional inverse discrete cosine transform processing.

Latest Patents

Hisa holds a patent for a two-dimensional inverse discrete cosine transform (2-D IDCT) processor. This processor features cosine angle index generators, pipelined multipliers, and a symmetrical kernel. The design incorporates a five-stage pipelined structure that executes a coefficient-by-coefficient 2-D IDCT algorithm. It operates at a clock rate exceeding 50 MHz, achieving a pixel rate of approximately 400 MHz.

Career Highlights

Throughout his career, Shih-Chang Hisa has worked with prominent organizations such as United Microelectronics Corporation and National Cheng-Kung University. His experience in these institutions has significantly contributed to his expertise in digital processing technologies.

Collaborations

Hisa has collaborated with several professionals in his field, including Jar-Ferr Yang and Chyou-Hsiung Hwang. Their joint efforts have further advanced the research and development of digital signal processing technologies.

Conclusion

Shih-Chang Hisa's innovative work in the realm of two-dimensional inverse discrete cosine transform processing showcases his significant contributions to technology. His patent reflects a commitment to advancing digital signal processing, making a lasting impact in the field.