Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Eiichi Funatsu"'
Publikováno v:
Electronic Imaging. 34:215-1
Autor:
Ryoji Suzuki, Takashi Abe, Hirofumi Sumi, Eiichi Funatsu, Tomoyuki Umeda, Keiji Mabuchi, T. Hoshino, Nobuo Nakamura
Publikováno v:
IEEE Journal of Solid-State Circuits. 39:2408-2416
New CMOS image sensors that can realize high quality dark scene images with pixels smaller than conventional pixel types are described. The new technologies used to develop them are floating diffusion (FD) driving pixel with a buried photodiode with
Autor:
Kazuo Kyuma, Soichiro Kuramochi, Hiroshi Kage, Fumihide Murao, Narumi Sakashita, Eiichi Funatsu, Yoji Nagafuchi
Publikováno v:
The Journal of the Institute of Image Information and Television Engineers. 55:1329-1336
An artificial retina (AR) LSI with a highly accurate on-sensor-image projection function was developed. The fabricated 32×32-pixel AR LSI compresses 1024 bytes of input image data to 64 bytes of projection data on the focal plane. It can also modula
Publikováno v:
The Journal of the Institute of Image Information and Television Engineers. 53:178-183
Publikováno v:
IEEE Transactions on Electron Devices. 44:1777-1782
This paper describes an artificial retina chip consisting of an array of Variable Sensitivity Photo-Detector cells (VSPDs) which accomplishes both nondestructive output and programmable positive or negative sensitivity. Despite its simple structure,
Autor:
Takashi Abe, Tomoyuki Umeda, T. Hoshino, Ryoji Suzuki, Nobuo Nakamura, Eiichi Funatsu, Keiji Mabuchi, Hirofumi Sumi
Publikováno v:
2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519).
Two 2.5V VGA CMOS image sensors with 3.45/spl mu/m and 3.1/spl mu/m buried photodiode-pixels on a 0.25/spl mu/m 2P3M CMOS technology are described. The test chips utilize a floating diffusion driving technique to achieve 3-transistors/pixel and 2-tra
Autor:
Kunihiko Hara, Kazuo Kyuma, Jun Ohta, Yasunari Miyake, S. Tai, Takashi Toyoda, Eiichi Funatsu
Publikováno v:
IEEE Photonics Technology Letters. 7:188-190
An artificial retina chip is an image detection device that, like biological retinas, can extract essential features directly from projected images. This paper presents an artificial retina chip consisting of a 128/spl times/128 array of pn-np variab
Autor:
Takashi Toyoda, Yasunari Miyake, Hiroshi Tanno, Yoshikazu Nitta, Eiichi Funatsu, W. T. Freeman, Jun Ohta, Kazuo Kyuma
Publikováno v:
Optics in Computing.
The image is one of the most suitable information input representations for future multimedia systems. However, it is difficult for conventional charge coupled device (CCD) systems to handle such image information, especially in high speed image proc
Autor:
Jun Ohta, Hirofumi Yagi, Kazuo Kyuma, Kunihiko Hara, Eiichi Funatsu, Yoshikazu Nitta, Takashi Toyoda, Yasunari Miyake
Publikováno v:
SPIE Proceedings.
The artificial retina chip, consisting of an array of variable sensitivity photo-detector cells (VSPD), attains versatile focal plane image processing using vector-matrix multiplication. We designed an n-MOS VSPD with a pn photodiode and a differenti
Autor:
Kazuo Kyuma, Soichiro Kuramochi, Hiroshi Kage, Fumihide Murao, Eiichi Funatsu, Narumi Sakashita, Yoji Nagafuchi
Publikováno v:
Optical Engineering. 41:2709
We present an artificial retina (AR) large scale integration (LSI) with a high accuracy on-sensor image projection function. The fab- ricated chip has 32332 pixels, and each pixel is 56356 mm 2 large with a 41.5% fill factor. This AR LSI compresses 1