Sei Naitou

Title: Sei Naitou: Innovator in Image Encoding and Video Coding Technologies

Introduction

Sei Naitou is a prominent inventor based in Fujimino, Japan. He has made significant contributions to the fields of image encoding and video coding, holding two patents that showcase his innovative approach to technology.

Latest Patents

One of Naitou's latest patents is an image encoding device. This device includes a signal-to-signal predicting unit that separates an intra-signal prediction residual signal into a reference signal and a signal to be predicted. It calculates signal-to-signal prediction information for each pixel, allowing for efficient encoding through orthogonal conversion, quantization, and encoding processes. Another notable patent is a quantization control system for video coding. This system optimizes bit allocation based on visual priority, enhancing the subjective image quality of videos even with limited bits. It calculates gaze parameters and texture attributes to determine quantization parameters, ensuring high precision in human visual characteristics.

Career Highlights

Sei Naitou works at KDDI R&D Laboratories, Inc., where he continues to develop innovative technologies in his field. His work has significantly impacted the way images and videos are processed and encoded, contributing to advancements in visual technology.

Collaborations

Naitou collaborates with talented individuals such as Koichi Takagi and Masahiro Wada, further enhancing the innovative environment at KDDI R&D Laboratories.

Conclusion

Sei Naitou's contributions to image encoding and video coding technologies demonstrate his commitment to innovation and excellence in his field. His patents reflect a deep understanding of visual processing, making a lasting impact on technology.