Young-hoon Chang

Title: Young-hoon Chang: Innovator in Information Search and Digital Signal Processing

Introduction

Young-hoon Chang is a notable inventor based in Suwon, South Korea. He has made significant contributions to the fields of information search methods and digital signal processing. With a total of 5 patents to his name, Chang's work reflects a commitment to advancing technology and improving efficiency in various applications.

Latest Patents

One of Chang's latest patents is an "Information search method and apparatus using Inverse Hidden Markov Model." This innovative method employs an Inverse Hidden Markov Model (IHMM) for stochastically searching for a reference information model among multiple predetermined models. The approach aims to find an optimal path in a Hidden Markov Model (HMM) state lattice using a minimum unlikelihood score, thereby avoiding unnecessary computations. This method can be particularly useful for recognizing unknown information and finding the most likely path through a vocabulary network for a given utterance.

Another significant patent is the "Bus encoding/decoding apparatus and method." This invention is designed for low power digital signal processors (DSPs) that utilize a narrow data bus. The apparatus includes a conditional inverting unit, a storage unit, and a first exclusive OR operating unit. By reducing interface problems and overhead for additional circuits, this invention decreases power consumption and the area of a chip, making it a valuable advancement in digital signal processing.

Career Highlights

Young-hoon Chang has worked with prominent companies, including Samsung Electronics Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of technology in his field.

Collaborations

Chang has collaborated with talented individuals such as Ho-rang Jang and Bo-Sung Kim. These partnerships have likely fostered a creative environment that encourages innovation and the development of groundbreaking technologies.

Conclusion

Young-hoon Chang's contributions to information search methods and digital signal processing highlight his role as a significant inventor in the technology sector. His patents reflect a dedication to improving efficiency and functionality in various applications.