Yuji Itoh

Title: Innovations of Yuji Itoh

Introduction

Yuji Itoh is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of image processing and video encoding. With a total of 9 patents to his name, his work has had a considerable impact on technology.

Latest Patents

One of his latest patents is a method for mixing high-gain and low-gain signals for wide dynamic range image sensors. This innovative method combines the responses of high-gain and low-gain sensing cells, achieving better linearity than previous methods. By searching in successive central regions within the response curve of these cells, the highest slope linear fit is identified. This highest slope and the corresponding offset are utilized to mix the high-gain and low-gain responses, resulting in a wide dynamic range.

Another notable patent involves motion estimation using early decision for goodness of estimation with quick convergence feedback. This invention accelerates block matching based motion estimation for video encoders. It calculates statistics for a candidate motion vector for a fraction of the pixels in a macroblock and makes an early decision based on a preliminary cost function. If this preliminary cost function does not meet a predetermined threshold, the block matching process is terminated early, thus saving processing load.

Career Highlights

Yuji Itoh is currently employed at Texas Instruments Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of image sensors and video processing systems.

Collaborations

He has collaborated with notable coworkers, including Ngai-Man Cheung and Ho-Cheon Wey, contributing to various projects and innovations in the field.

Conclusion

Yuji Itoh's contributions to technology through his patents and innovations have made a significant impact in the areas of image processing and video encoding. His work continues to influence advancements in these fields.