Toyohisa Matsuda

Title: Toyohisa Matsuda: Innovator in Image Processing Technology

Introduction

Toyohisa Matsuda is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of image processing, holding a total of 6 patents. His work has advanced the technology used in television receivers and image analysis.

Latest Patents

Matsuda's latest patents include an innovative image-processing apparatus designed for television receivers. This apparatus features an edge gradient direction setting section that determines the edge gradient direction of an interpolation pixel using input pixels within a reference block. Additionally, it includes a temporary reference coordinate setting section that establishes four reference pixels as vertices of a parallelogram, ensuring two sides are perpendicular to the edge gradient direction. The reference pixel value setting section sets reference pixel values based on input pixels, regardless of their location within the reference block. Finally, the interpolation pixel value calculating section computes the pixel value of the interpolation pixel using the reference pixel values.

Another notable patent focuses on extracting foreground pixels from continuous variable density areas based on color information. This process involves dividing input image data into multiple pixel blocks and classifying them as either uniform density or foreground pixel blocks. The foreground color calculation process then determines the colors from the extracted blocks, while a labeling process identifies connected foreground pixel areas. Ultimately, the foreground pixel extraction process calculates a representative color for each area and extracts pixels that closely match this color.

Career Highlights

Matsuda has dedicated his career to advancing image processing technologies. His work at Sharp Kabushiki Kaisha Corporation has positioned him as a key figure in the development of innovative solutions for television and image analysis.

Collaborations

Throughout his career, Matsuda has collaborated with notable colleagues, including Makoto Hayasaki and Masahiko Takashima. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Toyohisa Matsuda's contributions to image processing technology have made a lasting impact in the field. His innovative patents and collaborative efforts continue to shape the future of television and image analysis.