This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1996.
Company Filing History:
Years Active: 1996
Title: Rumi Tsubota: Innovator in Video Signal Processing
Introduction
Rumi Tsubota is a notable inventor based in Hirakata, Japan. She has made significant contributions to the field of video signal processing, holding a total of 4 patents. Her work focuses on enhancing the efficiency and quality of video signals, which is crucial in today's digital age.
Latest Patents
One of Tsubota's latest patents is the "Digital video signal code size control apparatus." This invention involves applying a video signal of one field to a high-frequency component measuring device. The device measures the high-frequency component strength Q of the image. The video signal is also applied to a field memory, where a look-up table memory contains multiple quantization tables. These tables are aligned in a matrix format, and the strength Q is used to select the most appropriate quantization table for reducing the size of the coded video signal. A JPEG compression device then compresses the video signal from the field memory using DCT operation, producing a compressed signal with coefficients aligned in a matrix format.
Another significant patent is the "System for non-linear video editing." This invention features a non-linear video editing apparatus that includes a randomly accessible image data storage unit, a FIFO, a video effects unit, and a desired-shots storage unit. The image data from the storage unit is controlled to ensure that images remain uninterrupted during editing operations. This innovative apparatus simplifies the editing process by minimizing the number of switches and managing data with a FIFO of small capacity.
Career Highlights
Rumi Tsubota is currently employed at Matsushita Electric Industrial Co., Ltd., where she continues to develop groundbreaking technologies in video processing. Her work has significantly impacted the industry, making video editing and compression more efficient and user-friendly.
Collaborations
Throughout her career, Tsubota has collaborated with talented individuals such as Kazuo Kajimoto and Kinya Kanno. These partnerships have fostered innovation and creativity in her projects, contributing to her success as an inventor.
Conclusion
Rumi Tsubota's contributions to video signal processing through her patents demonstrate her innovative spirit and technical expertise. Her work continues to influence the field, paving the way for advancements in video technology.