Yasuo Otsuka

Development of image processing LSI SuperVchip for real-time vision systems

A new image processing LSI SuperVchip with high-performance computing power has been developed. The SuperVchip has powerful capability for vision systems as follows: 1. General image processing by 3x3, 5x5, 7x7 kernel for high speed filtering function. 2. 16-parallel gray search engine units for robust template matching. 3. 49 block matching Pes to calculate the summation of the absolution difference in parallel for stereo vision function. 4. A color extraction unit for color object recognition. The SuperVchip also has peripheral function of vision systems, such as video interface, PCI extended interface, RISC engine interface and image memory controller on a chip. Therefore, small and high performance vision systems are realized via SuperVchip. In this paper, the above specific circuits are presented, and an architecture of a vision device equipped with SuperVchip and its performance are also described.

Optical Head Using Astigmatic Micro PBS For 3.5 Inch Magneto-Optical Disk Drives

It is required that a drive for a 3.5 inch (90 mm) magneto-optical (MO) disk should be the same size as that of a floppy disk so that it can be installed into the host computers drive slot instead of the floppy disk drive. We realized a compact-size optical head for the 3.5 inch disk drives by developing an astigmatic micro PBS (polarized beam splitter) as an analyzer. The astigmatic micro PBS (ASPBS) has both a polarizing function for the MO detection and an astigmatic function for the focus detection. And our optical head is based on the discrete block servo format (DBF).